| 1 | //===-- Clang.cpp - Clang+LLVM ToolChain Implementations --------*- C++ -*-===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "Clang.h" |
| 10 | #include "AMDGPU.h" |
| 11 | #include "Arch/AArch64.h" |
| 12 | #include "Arch/ARM.h" |
| 13 | #include "Arch/CSKY.h" |
| 14 | #include "Arch/LoongArch.h" |
| 15 | #include "Arch/M68k.h" |
| 16 | #include "Arch/Mips.h" |
| 17 | #include "Arch/PPC.h" |
| 18 | #include "Arch/RISCV.h" |
| 19 | #include "Arch/Sparc.h" |
| 20 | #include "Arch/SystemZ.h" |
| 21 | #include "Arch/VE.h" |
| 22 | #include "Arch/X86.h" |
| 23 | #include "CommonArgs.h" |
| 24 | #include "Hexagon.h" |
| 25 | #include "MSP430.h" |
| 26 | #include "PS4CPU.h" |
| 27 | #include "clang/Basic/CLWarnings.h" |
| 28 | #include "clang/Basic/CharInfo.h" |
| 29 | #include "clang/Basic/CodeGenOptions.h" |
| 30 | #include "clang/Basic/HeaderInclude.h" |
| 31 | #include "clang/Basic/LangOptions.h" |
| 32 | #include "clang/Basic/MakeSupport.h" |
| 33 | #include "clang/Basic/ObjCRuntime.h" |
| 34 | #include "clang/Basic/Version.h" |
| 35 | #include "clang/Config/config.h" |
| 36 | #include "clang/Driver/Action.h" |
| 37 | #include "clang/Driver/Distro.h" |
| 38 | #include "clang/Driver/DriverDiagnostic.h" |
| 39 | #include "clang/Driver/InputInfo.h" |
| 40 | #include "clang/Driver/Options.h" |
| 41 | #include "clang/Driver/SanitizerArgs.h" |
| 42 | #include "clang/Driver/Types.h" |
| 43 | #include "clang/Driver/XRayArgs.h" |
| 44 | #include "llvm/ADT/SmallSet.h" |
| 45 | #include "llvm/ADT/StringExtras.h" |
| 46 | #include "llvm/BinaryFormat/Magic.h" |
| 47 | #include "llvm/Config/llvm-config.h" |
| 48 | #include "llvm/Frontend/Debug/Options.h" |
| 49 | #include "llvm/Object/ObjectFile.h" |
| 50 | #include "llvm/Option/ArgList.h" |
| 51 | #include "llvm/Support/CodeGen.h" |
| 52 | #include "llvm/Support/Compiler.h" |
| 53 | #include "llvm/Support/Compression.h" |
| 54 | #include "llvm/Support/Error.h" |
| 55 | #include "llvm/Support/FileSystem.h" |
| 56 | #include "llvm/Support/Path.h" |
| 57 | #include "llvm/Support/Process.h" |
| 58 | #include "llvm/Support/YAMLParser.h" |
| 59 | #include "llvm/TargetParser/AArch64TargetParser.h" |
| 60 | #include "llvm/TargetParser/ARMTargetParserCommon.h" |
| 61 | #include "llvm/TargetParser/Host.h" |
| 62 | #include "llvm/TargetParser/LoongArchTargetParser.h" |
| 63 | #include "llvm/TargetParser/RISCVISAInfo.h" |
| 64 | #include "llvm/TargetParser/RISCVTargetParser.h" |
| 65 | #include <cctype> |
| 66 | |
| 67 | using namespace clang::driver; |
| 68 | using namespace clang::driver::tools; |
| 69 | using namespace clang; |
| 70 | using namespace llvm::opt; |
| 71 | |
| 72 | static void CheckPreprocessingOptions(const Driver &D, const ArgList &Args) { |
| 73 | if (Arg *A = Args.getLastArg(Ids: clang::driver::options::OPT_C, Ids: options::OPT_CC, |
| 74 | Ids: options::OPT_fminimize_whitespace, |
| 75 | Ids: options::OPT_fno_minimize_whitespace, |
| 76 | Ids: options::OPT_fkeep_system_includes, |
| 77 | Ids: options::OPT_fno_keep_system_includes)) { |
| 78 | if (!Args.hasArg(Ids: options::OPT_E) && !Args.hasArg(Ids: options::OPT__SLASH_P) && |
| 79 | !Args.hasArg(Ids: options::OPT__SLASH_EP) && !D.CCCIsCPP()) { |
| 80 | D.Diag(DiagID: clang::diag::err_drv_argument_only_allowed_with) |
| 81 | << A->getBaseArg().getAsString(Args) |
| 82 | << (D.IsCLMode() ? "/E, /P or /EP": "-E"); |
| 83 | } |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | static void CheckCodeGenerationOptions(const Driver &D, const ArgList &Args) { |
| 88 | // In gcc, only ARM checks this, but it seems reasonable to check universally. |
| 89 | if (Args.hasArg(Ids: options::OPT_static)) |
| 90 | if (const Arg *A = |
| 91 | Args.getLastArg(Ids: options::OPT_dynamic, Ids: options::OPT_mdynamic_no_pic)) |
| 92 | D.Diag(DiagID: diag::err_drv_argument_not_allowed_with) << A->getAsString(Args) |
| 93 | << "-static"; |
| 94 | } |
| 95 | |
| 96 | // Add backslashes to escape spaces and other backslashes. |
| 97 | // This is used for the space-separated argument list specified with |
| 98 | // the -dwarf-debug-flags option. |
| 99 | static void EscapeSpacesAndBackslashes(const char *Arg, |
| 100 | SmallVectorImpl<char> &Res) { |
| 101 | for (; *Arg; ++Arg) { |
| 102 | switch (*Arg) { |
| 103 | default: |
| 104 | break; |
| 105 | case ' ': |
| 106 | case '\\': |
| 107 | Res.push_back(Elt: '\\'); |
| 108 | break; |
| 109 | } |
| 110 | Res.push_back(Elt: *Arg); |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | /// Apply \a Work on the current tool chain \a RegularToolChain and any other |
| 115 | /// offloading tool chain that is associated with the current action \a JA. |
| 116 | static void |
| 117 | forAllAssociatedToolChains(Compilation &C, const JobAction &JA, |
| 118 | const ToolChain &RegularToolChain, |
| 119 | llvm::function_ref<void(const ToolChain &)> Work) { |
| 120 | // Apply Work on the current/regular tool chain. |
| 121 | Work(RegularToolChain); |
| 122 | |
| 123 | // Apply Work on all the offloading tool chains associated with the current |
| 124 | // action. |
| 125 | if (JA.isHostOffloading(OKind: Action::OFK_Cuda)) |
| 126 | Work(*C.getSingleOffloadToolChain<Action::OFK_Cuda>()); |
| 127 | else if (JA.isDeviceOffloading(OKind: Action::OFK_Cuda)) |
| 128 | Work(*C.getSingleOffloadToolChain<Action::OFK_Host>()); |
| 129 | else if (JA.isHostOffloading(OKind: Action::OFK_HIP)) |
| 130 | Work(*C.getSingleOffloadToolChain<Action::OFK_HIP>()); |
| 131 | else if (JA.isDeviceOffloading(OKind: Action::OFK_HIP)) |
| 132 | Work(*C.getSingleOffloadToolChain<Action::OFK_Host>()); |
| 133 | |
| 134 | if (JA.isHostOffloading(OKind: Action::OFK_OpenMP)) { |
| 135 | auto TCs = C.getOffloadToolChains<Action::OFK_OpenMP>(); |
| 136 | for (auto II = TCs.first, IE = TCs.second; II != IE; ++II) |
| 137 | Work(*II->second); |
| 138 | } else if (JA.isDeviceOffloading(OKind: Action::OFK_OpenMP)) |
| 139 | Work(*C.getSingleOffloadToolChain<Action::OFK_Host>()); |
| 140 | |
| 141 | // |
| 142 | // TODO: Add support for other offloading programming models here. |
| 143 | // |
| 144 | } |
| 145 | |
| 146 | /// This is a helper function for validating the optional refinement step |
| 147 | /// parameter in reciprocal argument strings. Return false if there is an error |
| 148 | /// parsing the refinement step. Otherwise, return true and set the Position |
| 149 | /// of the refinement step in the input string. |
| 150 | static bool getRefinementStep(StringRef In, const Driver &D, |
| 151 | const Arg &A, size_t &Position) { |
| 152 | const char RefinementStepToken = ':'; |
| 153 | Position = In.find(C: RefinementStepToken); |
| 154 | if (Position != StringRef::npos) { |
| 155 | StringRef Option = A.getOption().getName(); |
| 156 | StringRef RefStep = In.substr(Start: Position + 1); |
| 157 | // Allow exactly one numeric character for the additional refinement |
| 158 | // step parameter. This is reasonable for all currently-supported |
| 159 | // operations and architectures because we would expect that a larger value |
| 160 | // of refinement steps would cause the estimate "optimization" to |
| 161 | // under-perform the native operation. Also, if the estimate does not |
| 162 | // converge quickly, it probably will not ever converge, so further |
| 163 | // refinement steps will not produce a better answer. |
| 164 | if (RefStep.size() != 1) { |
| 165 | D.Diag(DiagID: diag::err_drv_invalid_value) << Option << RefStep; |
| 166 | return false; |
| 167 | } |
| 168 | char RefStepChar = RefStep[0]; |
| 169 | if (RefStepChar < '0' || RefStepChar > '9') { |
| 170 | D.Diag(DiagID: diag::err_drv_invalid_value) << Option << RefStep; |
| 171 | return false; |
| 172 | } |
| 173 | } |
| 174 | return true; |
| 175 | } |
| 176 | |
| 177 | /// The -mrecip flag requires processing of many optional parameters. |
| 178 | static void ParseMRecip(const Driver &D, const ArgList &Args, |
| 179 | ArgStringList &OutStrings) { |
| 180 | StringRef DisabledPrefixIn = "!"; |
| 181 | StringRef DisabledPrefixOut = "!"; |
| 182 | StringRef EnabledPrefixOut = ""; |
| 183 | StringRef Out = "-mrecip="; |
| 184 | |
| 185 | Arg *A = Args.getLastArg(Ids: options::OPT_mrecip, Ids: options::OPT_mrecip_EQ); |
| 186 | if (!A) |
| 187 | return; |
| 188 | |
| 189 | unsigned NumOptions = A->getNumValues(); |
| 190 | if (NumOptions == 0) { |
| 191 | // No option is the same as "all". |
| 192 | OutStrings.push_back(Elt: Args.MakeArgString(Str: Out + "all")); |
| 193 | return; |
| 194 | } |
| 195 | |
| 196 | // Pass through "all", "none", or "default" with an optional refinement step. |
| 197 | if (NumOptions == 1) { |
| 198 | StringRef Val = A->getValue(N: 0); |
| 199 | size_t RefStepLoc; |
| 200 | if (!getRefinementStep(In: Val, D, A: *A, Position&: RefStepLoc)) |
| 201 | return; |
| 202 | StringRef ValBase = Val.slice(Start: 0, End: RefStepLoc); |
| 203 | if (ValBase == "all"|| ValBase == "none"|| ValBase == "default") { |
| 204 | OutStrings.push_back(Elt: Args.MakeArgString(Str: Out + Val)); |
| 205 | return; |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | // Each reciprocal type may be enabled or disabled individually. |
| 210 | // Check each input value for validity, concatenate them all back together, |
| 211 | // and pass through. |
| 212 | |
| 213 | llvm::StringMap<bool> OptionStrings; |
| 214 | OptionStrings.insert(KV: std::make_pair(x: "divd", y: false)); |
| 215 | OptionStrings.insert(KV: std::make_pair(x: "divf", y: false)); |
| 216 | OptionStrings.insert(KV: std::make_pair(x: "divh", y: false)); |
| 217 | OptionStrings.insert(KV: std::make_pair(x: "vec-divd", y: false)); |
| 218 | OptionStrings.insert(KV: std::make_pair(x: "vec-divf", y: false)); |
| 219 | OptionStrings.insert(KV: std::make_pair(x: "vec-divh", y: false)); |
| 220 | OptionStrings.insert(KV: std::make_pair(x: "sqrtd", y: false)); |
| 221 | OptionStrings.insert(KV: std::make_pair(x: "sqrtf", y: false)); |
| 222 | OptionStrings.insert(KV: std::make_pair(x: "sqrth", y: false)); |
| 223 | OptionStrings.insert(KV: std::make_pair(x: "vec-sqrtd", y: false)); |
| 224 | OptionStrings.insert(KV: std::make_pair(x: "vec-sqrtf", y: false)); |
| 225 | OptionStrings.insert(KV: std::make_pair(x: "vec-sqrth", y: false)); |
| 226 | |
| 227 | for (unsigned i = 0; i != NumOptions; ++i) { |
| 228 | StringRef Val = A->getValue(N: i); |
| 229 | |
| 230 | bool IsDisabled = Val.starts_with(Prefix: DisabledPrefixIn); |
| 231 | // Ignore the disablement token for string matching. |
| 232 | if (IsDisabled) |
| 233 | Val = Val.substr(Start: 1); |
| 234 | |
| 235 | size_t RefStep; |
| 236 | if (!getRefinementStep(In: Val, D, A: *A, Position&: RefStep)) |
| 237 | return; |
| 238 | |
| 239 | StringRef ValBase = Val.slice(Start: 0, End: RefStep); |
| 240 | llvm::StringMap<bool>::iterator OptionIter = OptionStrings.find(Key: ValBase); |
| 241 | if (OptionIter == OptionStrings.end()) { |
| 242 | // Try again specifying float suffix. |
| 243 | OptionIter = OptionStrings.find(Key: ValBase.str() + 'f'); |
| 244 | if (OptionIter == OptionStrings.end()) { |
| 245 | // The input name did not match any known option string. |
| 246 | D.Diag(DiagID: diag::err_drv_unknown_argument) << Val; |
| 247 | return; |
| 248 | } |
| 249 | // The option was specified without a half or float or double suffix. |
| 250 | // Make sure that the double or half entry was not already specified. |
| 251 | // The float entry will be checked below. |
| 252 | if (OptionStrings[ValBase.str() + 'd'] || |
| 253 | OptionStrings[ValBase.str() + 'h']) { |
| 254 | D.Diag(DiagID: diag::err_drv_invalid_value) << A->getOption().getName() << Val; |
| 255 | return; |
| 256 | } |
| 257 | } |
| 258 | |
| 259 | if (OptionIter->second == true) { |
| 260 | // Duplicate option specified. |
| 261 | D.Diag(DiagID: diag::err_drv_invalid_value) << A->getOption().getName() << Val; |
| 262 | return; |
| 263 | } |
| 264 | |
| 265 | // Mark the matched option as found. Do not allow duplicate specifiers. |
| 266 | OptionIter->second = true; |
| 267 | |
| 268 | // If the precision was not specified, also mark the double and half entry |
| 269 | // as found. |
| 270 | if (ValBase.back() != 'f' && ValBase.back() != 'd' && ValBase.back() != 'h') { |
| 271 | OptionStrings[ValBase.str() + 'd'] = true; |
| 272 | OptionStrings[ValBase.str() + 'h'] = true; |
| 273 | } |
| 274 | |
| 275 | // Build the output string. |
| 276 | StringRef Prefix = IsDisabled ? DisabledPrefixOut : EnabledPrefixOut; |
| 277 | Out = Args.MakeArgString(Str: Out + Prefix + Val); |
| 278 | if (i != NumOptions - 1) |
| 279 | Out = Args.MakeArgString(Str: Out + ","); |
| 280 | } |
| 281 | |
| 282 | OutStrings.push_back(Elt: Args.MakeArgString(Str: Out)); |
| 283 | } |
| 284 | |
| 285 | /// The -mprefer-vector-width option accepts either a positive integer |
| 286 | /// or the string "none". |
| 287 | static void ParseMPreferVectorWidth(const Driver &D, const ArgList &Args, |
| 288 | ArgStringList &CmdArgs) { |
| 289 | Arg *A = Args.getLastArg(Ids: options::OPT_mprefer_vector_width_EQ); |
| 290 | if (!A) |
| 291 | return; |
| 292 | |
| 293 | StringRef Value = A->getValue(); |
| 294 | if (Value == "none") { |
| 295 | CmdArgs.push_back(Elt: "-mprefer-vector-width=none"); |
| 296 | } else { |
| 297 | unsigned Width; |
| 298 | if (Value.getAsInteger(Radix: 10, Result&: Width)) { |
| 299 | D.Diag(DiagID: diag::err_drv_invalid_value) << A->getOption().getName() << Value; |
| 300 | return; |
| 301 | } |
| 302 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-mprefer-vector-width="+ Value)); |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | static bool |
| 307 | shouldUseExceptionTablesForObjCExceptions(const ObjCRuntime &runtime, |
| 308 | const llvm::Triple &Triple) { |
| 309 | // We use the zero-cost exception tables for Objective-C if the non-fragile |
| 310 | // ABI is enabled or when compiling for x86_64 and ARM on Snow Leopard and |
| 311 | // later. |
| 312 | if (runtime.isNonFragile()) |
| 313 | return true; |
| 314 | |
| 315 | if (!Triple.isMacOSX()) |
| 316 | return false; |
| 317 | |
| 318 | return (!Triple.isMacOSXVersionLT(Major: 10, Minor: 5) && |
| 319 | (Triple.getArch() == llvm::Triple::x86_64 || |
| 320 | Triple.getArch() == llvm::Triple::arm)); |
| 321 | } |
| 322 | |
| 323 | /// Adds exception related arguments to the driver command arguments. There's a |
| 324 | /// main flag, -fexceptions and also language specific flags to enable/disable |
| 325 | /// C++ and Objective-C exceptions. This makes it possible to for example |
| 326 | /// disable C++ exceptions but enable Objective-C exceptions. |
| 327 | static bool addExceptionArgs(const ArgList &Args, types::ID InputType, |
| 328 | const ToolChain &TC, bool KernelOrKext, |
| 329 | const ObjCRuntime &objcRuntime, |
| 330 | ArgStringList &CmdArgs) { |
| 331 | const llvm::Triple &Triple = TC.getTriple(); |
| 332 | |
| 333 | if (KernelOrKext) { |
| 334 | // -mkernel and -fapple-kext imply no exceptions, so claim exception related |
| 335 | // arguments now to avoid warnings about unused arguments. |
| 336 | Args.ClaimAllArgs(Id0: options::OPT_fexceptions); |
| 337 | Args.ClaimAllArgs(Id0: options::OPT_fno_exceptions); |
| 338 | Args.ClaimAllArgs(Id0: options::OPT_fobjc_exceptions); |
| 339 | Args.ClaimAllArgs(Id0: options::OPT_fno_objc_exceptions); |
| 340 | Args.ClaimAllArgs(Id0: options::OPT_fcxx_exceptions); |
| 341 | Args.ClaimAllArgs(Id0: options::OPT_fno_cxx_exceptions); |
| 342 | Args.ClaimAllArgs(Id0: options::OPT_fasync_exceptions); |
| 343 | Args.ClaimAllArgs(Id0: options::OPT_fno_async_exceptions); |
| 344 | return false; |
| 345 | } |
| 346 | |
| 347 | // See if the user explicitly enabled exceptions. |
| 348 | bool EH = Args.hasFlag(Pos: options::OPT_fexceptions, Neg: options::OPT_fno_exceptions, |
| 349 | Default: false); |
| 350 | |
| 351 | // Async exceptions are Windows MSVC only. |
| 352 | if (Triple.isWindowsMSVCEnvironment()) { |
| 353 | bool EHa = Args.hasFlag(Pos: options::OPT_fasync_exceptions, |
| 354 | Neg: options::OPT_fno_async_exceptions, Default: false); |
| 355 | if (EHa) { |
| 356 | CmdArgs.push_back(Elt: "-fasync-exceptions"); |
| 357 | EH = true; |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | // Obj-C exceptions are enabled by default, regardless of -fexceptions. This |
| 362 | // is not necessarily sensible, but follows GCC. |
| 363 | if (types::isObjC(Id: InputType) && |
| 364 | Args.hasFlag(Pos: options::OPT_fobjc_exceptions, |
| 365 | Neg: options::OPT_fno_objc_exceptions, Default: true)) { |
| 366 | CmdArgs.push_back(Elt: "-fobjc-exceptions"); |
| 367 | |
| 368 | EH |= shouldUseExceptionTablesForObjCExceptions(runtime: objcRuntime, Triple); |
| 369 | } |
| 370 | |
| 371 | if (types::isCXX(Id: InputType)) { |
| 372 | // Disable C++ EH by default on XCore and PS4/PS5. |
| 373 | bool CXXExceptionsEnabled = Triple.getArch() != llvm::Triple::xcore && |
| 374 | !Triple.isPS() && !Triple.isDriverKit(); |
| 375 | Arg *ExceptionArg = Args.getLastArg( |
| 376 | Ids: options::OPT_fcxx_exceptions, Ids: options::OPT_fno_cxx_exceptions, |
| 377 | Ids: options::OPT_fexceptions, Ids: options::OPT_fno_exceptions); |
| 378 | if (ExceptionArg) |
| 379 | CXXExceptionsEnabled = |
| 380 | ExceptionArg->getOption().matches(ID: options::OPT_fcxx_exceptions) || |
| 381 | ExceptionArg->getOption().matches(ID: options::OPT_fexceptions); |
| 382 | |
| 383 | if (CXXExceptionsEnabled) { |
| 384 | CmdArgs.push_back(Elt: "-fcxx-exceptions"); |
| 385 | |
| 386 | EH = true; |
| 387 | } |
| 388 | } |
| 389 | |
| 390 | // OPT_fignore_exceptions means exception could still be thrown, |
| 391 | // but no clean up or catch would happen in current module. |
| 392 | // So we do not set EH to false. |
| 393 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fignore_exceptions); |
| 394 | |
| 395 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fassume_nothrow_exception_dtor, |
| 396 | Neg: options::OPT_fno_assume_nothrow_exception_dtor); |
| 397 | |
| 398 | if (EH) |
| 399 | CmdArgs.push_back(Elt: "-fexceptions"); |
| 400 | return EH; |
| 401 | } |
| 402 | |
| 403 | static bool ShouldEnableAutolink(const ArgList &Args, const ToolChain &TC, |
| 404 | const JobAction &JA) { |
| 405 | bool Default = true; |
| 406 | if (TC.getTriple().isOSDarwin()) { |
| 407 | // The native darwin assembler doesn't support the linker_option directives, |
| 408 | // so we disable them if we think the .s file will be passed to it. |
| 409 | Default = TC.useIntegratedAs(); |
| 410 | } |
| 411 | // The linker_option directives are intended for host compilation. |
| 412 | if (JA.isDeviceOffloading(OKind: Action::OFK_Cuda) || |
| 413 | JA.isDeviceOffloading(OKind: Action::OFK_HIP)) |
| 414 | Default = false; |
| 415 | return Args.hasFlag(Pos: options::OPT_fautolink, Neg: options::OPT_fno_autolink, |
| 416 | Default); |
| 417 | } |
| 418 | |
| 419 | /// Add a CC1 option to specify the debug compilation directory. |
| 420 | static const char *addDebugCompDirArg(const ArgList &Args, |
| 421 | ArgStringList &CmdArgs, |
| 422 | const llvm::vfs::FileSystem &VFS) { |
| 423 | if (Arg *A = Args.getLastArg(Ids: options::OPT_ffile_compilation_dir_EQ, |
| 424 | Ids: options::OPT_fdebug_compilation_dir_EQ)) { |
| 425 | if (A->getOption().matches(ID: options::OPT_ffile_compilation_dir_EQ)) |
| 426 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Twine("-fdebug-compilation-dir=") + |
| 427 | A->getValue())); |
| 428 | else |
| 429 | A->render(Args, Output&: CmdArgs); |
| 430 | } else if (llvm::ErrorOr<std::string> CWD = |
| 431 | VFS.getCurrentWorkingDirectory()) { |
| 432 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-fdebug-compilation-dir="+ *CWD)); |
| 433 | } |
| 434 | StringRef Path(CmdArgs.back()); |
| 435 | return Path.substr(Start: Path.find(C: '=') + 1).data(); |
| 436 | } |
| 437 | |
| 438 | static void addDebugObjectName(const ArgList &Args, ArgStringList &CmdArgs, |
| 439 | const char *DebugCompilationDir, |
| 440 | const char *OutputFileName) { |
| 441 | // No need to generate a value for -object-file-name if it was provided. |
| 442 | for (auto *Arg : Args.filtered(Ids: options::OPT_Xclang)) |
| 443 | if (StringRef(Arg->getValue()).starts_with(Prefix: "-object-file-name")) |
| 444 | return; |
| 445 | |
| 446 | if (Args.hasArg(Ids: options::OPT_object_file_name_EQ)) |
| 447 | return; |
| 448 | |
| 449 | SmallString<128> ObjFileNameForDebug(OutputFileName); |
| 450 | if (ObjFileNameForDebug != "-"&& |
| 451 | !llvm::sys::path::is_absolute(path: ObjFileNameForDebug) && |
| 452 | (!DebugCompilationDir || |
| 453 | llvm::sys::path::is_absolute(path: DebugCompilationDir))) { |
| 454 | // Make the path absolute in the debug infos like MSVC does. |
| 455 | llvm::sys::fs::make_absolute(path&: ObjFileNameForDebug); |
| 456 | } |
| 457 | // If the object file name is a relative path, then always use Windows |
| 458 | // backslash style as -object-file-name is used for embedding object file path |
| 459 | // in codeview and it can only be generated when targeting on Windows. |
| 460 | // Otherwise, just use native absolute path. |
| 461 | llvm::sys::path::Style Style = |
| 462 | llvm::sys::path::is_absolute(path: ObjFileNameForDebug) |
| 463 | ? llvm::sys::path::Style::native |
| 464 | : llvm::sys::path::Style::windows_backslash; |
| 465 | llvm::sys::path::remove_dots(path&: ObjFileNameForDebug, /*remove_dot_dot=*/true, |
| 466 | style: Style); |
| 467 | CmdArgs.push_back( |
| 468 | Elt: Args.MakeArgString(Str: Twine("-object-file-name=") + ObjFileNameForDebug)); |
| 469 | } |
| 470 | |
| 471 | /// Add a CC1 and CC1AS option to specify the debug file path prefix map. |
| 472 | static void addDebugPrefixMapArg(const Driver &D, const ToolChain &TC, |
| 473 | const ArgList &Args, ArgStringList &CmdArgs) { |
| 474 | auto AddOneArg = [&](StringRef Map, StringRef Name) { |
| 475 | if (!Map.contains(C: '=')) |
| 476 | D.Diag(DiagID: diag::err_drv_invalid_argument_to_option) << Map << Name; |
| 477 | else |
| 478 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-fdebug-prefix-map="+ Map)); |
| 479 | }; |
| 480 | |
| 481 | for (const Arg *A : Args.filtered(Ids: options::OPT_ffile_prefix_map_EQ, |
| 482 | Ids: options::OPT_fdebug_prefix_map_EQ)) { |
| 483 | AddOneArg(A->getValue(), A->getOption().getName()); |
| 484 | A->claim(); |
| 485 | } |
| 486 | std::string GlobalRemapEntry = TC.GetGlobalDebugPathRemapping(); |
| 487 | if (GlobalRemapEntry.empty()) |
| 488 | return; |
| 489 | AddOneArg(GlobalRemapEntry, "environment"); |
| 490 | } |
| 491 | |
| 492 | /// Add a CC1 and CC1AS option to specify the macro file path prefix map. |
| 493 | static void addMacroPrefixMapArg(const Driver &D, const ArgList &Args, |
| 494 | ArgStringList &CmdArgs) { |
| 495 | for (const Arg *A : Args.filtered(Ids: options::OPT_ffile_prefix_map_EQ, |
| 496 | Ids: options::OPT_fmacro_prefix_map_EQ)) { |
| 497 | StringRef Map = A->getValue(); |
| 498 | if (!Map.contains(C: '=')) |
| 499 | D.Diag(DiagID: diag::err_drv_invalid_argument_to_option) |
| 500 | << Map << A->getOption().getName(); |
| 501 | else |
| 502 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-fmacro-prefix-map="+ Map)); |
| 503 | A->claim(); |
| 504 | } |
| 505 | } |
| 506 | |
| 507 | /// Add a CC1 and CC1AS option to specify the coverage file path prefix map. |
| 508 | static void addCoveragePrefixMapArg(const Driver &D, const ArgList &Args, |
| 509 | ArgStringList &CmdArgs) { |
| 510 | for (const Arg *A : Args.filtered(Ids: options::OPT_ffile_prefix_map_EQ, |
| 511 | Ids: options::OPT_fcoverage_prefix_map_EQ)) { |
| 512 | StringRef Map = A->getValue(); |
| 513 | if (!Map.contains(C: '=')) |
| 514 | D.Diag(DiagID: diag::err_drv_invalid_argument_to_option) |
| 515 | << Map << A->getOption().getName(); |
| 516 | else |
| 517 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-fcoverage-prefix-map="+ Map)); |
| 518 | A->claim(); |
| 519 | } |
| 520 | } |
| 521 | |
| 522 | /// Vectorize at all optimization levels greater than 1 except for -Oz. |
| 523 | /// For -Oz the loop vectorizer is disabled, while the slp vectorizer is |
| 524 | /// enabled. |
| 525 | static bool shouldEnableVectorizerAtOLevel(const ArgList &Args, bool isSlpVec) { |
| 526 | if (Arg *A = Args.getLastArg(Ids: options::OPT_O_Group)) { |
| 527 | if (A->getOption().matches(ID: options::OPT_O4) || |
| 528 | A->getOption().matches(ID: options::OPT_Ofast)) |
| 529 | return true; |
| 530 | |
| 531 | if (A->getOption().matches(ID: options::OPT_O0)) |
| 532 | return false; |
| 533 | |
| 534 | assert(A->getOption().matches(options::OPT_O) && "Must have a -O flag"); |
| 535 | |
| 536 | // Vectorize -Os. |
| 537 | StringRef S(A->getValue()); |
| 538 | if (S == "s") |
| 539 | return true; |
| 540 | |
| 541 | // Don't vectorize -Oz, unless it's the slp vectorizer. |
| 542 | if (S == "z") |
| 543 | return isSlpVec; |
| 544 | |
| 545 | unsigned OptLevel = 0; |
| 546 | if (S.getAsInteger(Radix: 10, Result&: OptLevel)) |
| 547 | return false; |
| 548 | |
| 549 | return OptLevel > 1; |
| 550 | } |
| 551 | |
| 552 | return false; |
| 553 | } |
| 554 | |
| 555 | /// Add -x lang to \p CmdArgs for \p Input. |
| 556 | static void addDashXForInput(const ArgList &Args, const InputInfo &Input, |
| 557 | ArgStringList &CmdArgs) { |
| 558 | // When using -verify-pch, we don't want to provide the type |
| 559 | // 'precompiled-header' if it was inferred from the file extension |
| 560 | if (Args.hasArg(Ids: options::OPT_verify_pch) && Input.getType() == types::TY_PCH) |
| 561 | return; |
| 562 | |
| 563 | CmdArgs.push_back(Elt: "-x"); |
| 564 | if (Args.hasArg(Ids: options::OPT_rewrite_objc)) |
| 565 | CmdArgs.push_back(Elt: types::getTypeName(Id: types::TY_PP_ObjCXX)); |
| 566 | else { |
| 567 | // Map the driver type to the frontend type. This is mostly an identity |
| 568 | // mapping, except that the distinction between module interface units |
| 569 | // and other source files does not exist at the frontend layer. |
| 570 | const char *ClangType; |
| 571 | switch (Input.getType()) { |
| 572 | case types::TY_CXXModule: |
| 573 | ClangType = "c++"; |
| 574 | break; |
| 575 | case types::TY_PP_CXXModule: |
| 576 | ClangType = "c++-cpp-output"; |
| 577 | break; |
| 578 | default: |
| 579 | ClangType = types::getTypeName(Id: Input.getType()); |
| 580 | break; |
| 581 | } |
| 582 | CmdArgs.push_back(Elt: ClangType); |
| 583 | } |
| 584 | } |
| 585 | |
| 586 | static void addPGOAndCoverageFlags(const ToolChain &TC, Compilation &C, |
| 587 | const JobAction &JA, const InputInfo &Output, |
| 588 | const ArgList &Args, SanitizerArgs &SanArgs, |
| 589 | ArgStringList &CmdArgs) { |
| 590 | const Driver &D = TC.getDriver(); |
| 591 | auto *PGOGenerateArg = Args.getLastArg(Ids: options::OPT_fprofile_generate, |
| 592 | Ids: options::OPT_fprofile_generate_EQ, |
| 593 | Ids: options::OPT_fno_profile_generate); |
| 594 | if (PGOGenerateArg && |
| 595 | PGOGenerateArg->getOption().matches(ID: options::OPT_fno_profile_generate)) |
| 596 | PGOGenerateArg = nullptr; |
| 597 | |
| 598 | auto *CSPGOGenerateArg = getLastCSProfileGenerateArg(Args); |
| 599 | |
| 600 | auto *ProfileGenerateArg = Args.getLastArg( |
| 601 | Ids: options::OPT_fprofile_instr_generate, |
| 602 | Ids: options::OPT_fprofile_instr_generate_EQ, |
| 603 | Ids: options::OPT_fno_profile_instr_generate); |
| 604 | if (ProfileGenerateArg && |
| 605 | ProfileGenerateArg->getOption().matches( |
| 606 | ID: options::OPT_fno_profile_instr_generate)) |
| 607 | ProfileGenerateArg = nullptr; |
| 608 | |
| 609 | if (PGOGenerateArg && ProfileGenerateArg) |
| 610 | D.Diag(DiagID: diag::err_drv_argument_not_allowed_with) |
| 611 | << PGOGenerateArg->getSpelling() << ProfileGenerateArg->getSpelling(); |
| 612 | |
| 613 | auto *ProfileUseArg = getLastProfileUseArg(Args); |
| 614 | |
| 615 | if (PGOGenerateArg && ProfileUseArg) |
| 616 | D.Diag(DiagID: diag::err_drv_argument_not_allowed_with) |
| 617 | << ProfileUseArg->getSpelling() << PGOGenerateArg->getSpelling(); |
| 618 | |
| 619 | if (ProfileGenerateArg && ProfileUseArg) |
| 620 | D.Diag(DiagID: diag::err_drv_argument_not_allowed_with) |
| 621 | << ProfileGenerateArg->getSpelling() << ProfileUseArg->getSpelling(); |
| 622 | |
| 623 | if (CSPGOGenerateArg && PGOGenerateArg) { |
| 624 | D.Diag(DiagID: diag::err_drv_argument_not_allowed_with) |
| 625 | << CSPGOGenerateArg->getSpelling() << PGOGenerateArg->getSpelling(); |
| 626 | PGOGenerateArg = nullptr; |
| 627 | } |
| 628 | |
| 629 | if (TC.getTriple().isOSAIX()) { |
| 630 | if (Arg *ProfileSampleUseArg = getLastProfileSampleUseArg(Args)) |
| 631 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 632 | << ProfileSampleUseArg->getSpelling() << TC.getTriple().str(); |
| 633 | } |
| 634 | |
| 635 | if (ProfileGenerateArg) { |
| 636 | if (ProfileGenerateArg->getOption().matches( |
| 637 | ID: options::OPT_fprofile_instr_generate_EQ)) |
| 638 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Twine("-fprofile-instrument-path=") + |
| 639 | ProfileGenerateArg->getValue())); |
| 640 | // The default is to use Clang Instrumentation. |
| 641 | CmdArgs.push_back(Elt: "-fprofile-instrument=clang"); |
| 642 | if (TC.getTriple().isWindowsMSVCEnvironment() && |
| 643 | Args.hasFlag(Pos: options::OPT_frtlib_defaultlib, |
| 644 | Neg: options::OPT_fno_rtlib_defaultlib, Default: true)) { |
| 645 | // Add dependent lib for clang_rt.profile |
| 646 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 647 | Str: "--dependent-lib="+ TC.getCompilerRTBasename(Args, Component: "profile"))); |
| 648 | } |
| 649 | } |
| 650 | |
| 651 | Arg *PGOGenArg = nullptr; |
| 652 | if (PGOGenerateArg) { |
| 653 | assert(!CSPGOGenerateArg); |
| 654 | PGOGenArg = PGOGenerateArg; |
| 655 | CmdArgs.push_back(Elt: "-fprofile-instrument=llvm"); |
| 656 | } |
| 657 | if (CSPGOGenerateArg) { |
| 658 | assert(!PGOGenerateArg); |
| 659 | PGOGenArg = CSPGOGenerateArg; |
| 660 | CmdArgs.push_back(Elt: "-fprofile-instrument=csllvm"); |
| 661 | } |
| 662 | if (PGOGenArg) { |
| 663 | if (TC.getTriple().isWindowsMSVCEnvironment() && |
| 664 | Args.hasFlag(Pos: options::OPT_frtlib_defaultlib, |
| 665 | Neg: options::OPT_fno_rtlib_defaultlib, Default: true)) { |
| 666 | // Add dependent lib for clang_rt.profile |
| 667 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 668 | Str: "--dependent-lib="+ TC.getCompilerRTBasename(Args, Component: "profile"))); |
| 669 | } |
| 670 | if (PGOGenArg->getOption().matches( |
| 671 | ID: PGOGenerateArg ? options::OPT_fprofile_generate_EQ |
| 672 | : options::OPT_fcs_profile_generate_EQ)) { |
| 673 | SmallString<128> Path(PGOGenArg->getValue()); |
| 674 | llvm::sys::path::append(path&: Path, a: "default_%m.profraw"); |
| 675 | CmdArgs.push_back( |
| 676 | Elt: Args.MakeArgString(Str: Twine("-fprofile-instrument-path=") + Path)); |
| 677 | } |
| 678 | } |
| 679 | |
| 680 | if (ProfileUseArg) { |
| 681 | if (ProfileUseArg->getOption().matches(ID: options::OPT_fprofile_instr_use_EQ)) |
| 682 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 683 | Str: Twine("-fprofile-instrument-use-path=") + ProfileUseArg->getValue())); |
| 684 | else if ((ProfileUseArg->getOption().matches( |
| 685 | ID: options::OPT_fprofile_use_EQ) || |
| 686 | ProfileUseArg->getOption().matches( |
| 687 | ID: options::OPT_fprofile_instr_use))) { |
| 688 | SmallString<128> Path( |
| 689 | ProfileUseArg->getNumValues() == 0 ? "": ProfileUseArg->getValue()); |
| 690 | if (Path.empty() || llvm::sys::fs::is_directory(Path)) |
| 691 | llvm::sys::path::append(path&: Path, a: "default.profdata"); |
| 692 | CmdArgs.push_back( |
| 693 | Elt: Args.MakeArgString(Str: Twine("-fprofile-instrument-use-path=") + Path)); |
| 694 | } |
| 695 | } |
| 696 | |
| 697 | bool EmitCovNotes = Args.hasFlag(Pos: options::OPT_ftest_coverage, |
| 698 | Neg: options::OPT_fno_test_coverage, Default: false) || |
| 699 | Args.hasArg(Ids: options::OPT_coverage); |
| 700 | bool EmitCovData = TC.needsGCovInstrumentation(Args); |
| 701 | |
| 702 | if (Args.hasFlag(Pos: options::OPT_fcoverage_mapping, |
| 703 | Neg: options::OPT_fno_coverage_mapping, Default: false)) { |
| 704 | if (!ProfileGenerateArg) |
| 705 | D.Diag(DiagID: clang::diag::err_drv_argument_only_allowed_with) |
| 706 | << "-fcoverage-mapping" |
| 707 | << "-fprofile-instr-generate"; |
| 708 | |
| 709 | CmdArgs.push_back(Elt: "-fcoverage-mapping"); |
| 710 | } |
| 711 | |
| 712 | if (Args.hasFlag(Pos: options::OPT_fmcdc_coverage, Neg: options::OPT_fno_mcdc_coverage, |
| 713 | Default: false)) { |
| 714 | if (!Args.hasFlag(Pos: options::OPT_fcoverage_mapping, |
| 715 | Neg: options::OPT_fno_coverage_mapping, Default: false)) |
| 716 | D.Diag(DiagID: clang::diag::err_drv_argument_only_allowed_with) |
| 717 | << "-fcoverage-mcdc" |
| 718 | << "-fcoverage-mapping"; |
| 719 | |
| 720 | CmdArgs.push_back(Elt: "-fcoverage-mcdc"); |
| 721 | } |
| 722 | |
| 723 | if (Arg *A = Args.getLastArg(Ids: options::OPT_ffile_compilation_dir_EQ, |
| 724 | Ids: options::OPT_fcoverage_compilation_dir_EQ)) { |
| 725 | if (A->getOption().matches(ID: options::OPT_ffile_compilation_dir_EQ)) |
| 726 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 727 | Str: Twine("-fcoverage-compilation-dir=") + A->getValue())); |
| 728 | else |
| 729 | A->render(Args, Output&: CmdArgs); |
| 730 | } else if (llvm::ErrorOr<std::string> CWD = |
| 731 | D.getVFS().getCurrentWorkingDirectory()) { |
| 732 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-fcoverage-compilation-dir="+ *CWD)); |
| 733 | } |
| 734 | |
| 735 | if (Args.hasArg(Ids: options::OPT_fprofile_exclude_files_EQ)) { |
| 736 | auto *Arg = Args.getLastArg(Ids: options::OPT_fprofile_exclude_files_EQ); |
| 737 | if (!Args.hasArg(Ids: options::OPT_coverage)) |
| 738 | D.Diag(DiagID: clang::diag::err_drv_argument_only_allowed_with) |
| 739 | << "-fprofile-exclude-files=" |
| 740 | << "--coverage"; |
| 741 | |
| 742 | StringRef v = Arg->getValue(); |
| 743 | CmdArgs.push_back( |
| 744 | Elt: Args.MakeArgString(Str: Twine("-fprofile-exclude-files="+ v))); |
| 745 | } |
| 746 | |
| 747 | if (Args.hasArg(Ids: options::OPT_fprofile_filter_files_EQ)) { |
| 748 | auto *Arg = Args.getLastArg(Ids: options::OPT_fprofile_filter_files_EQ); |
| 749 | if (!Args.hasArg(Ids: options::OPT_coverage)) |
| 750 | D.Diag(DiagID: clang::diag::err_drv_argument_only_allowed_with) |
| 751 | << "-fprofile-filter-files=" |
| 752 | << "--coverage"; |
| 753 | |
| 754 | StringRef v = Arg->getValue(); |
| 755 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Twine("-fprofile-filter-files="+ v))); |
| 756 | } |
| 757 | |
| 758 | if (const auto *A = Args.getLastArg(Ids: options::OPT_fprofile_update_EQ)) { |
| 759 | StringRef Val = A->getValue(); |
| 760 | if (Val == "atomic"|| Val == "prefer-atomic") |
| 761 | CmdArgs.push_back(Elt: "-fprofile-update=atomic"); |
| 762 | else if (Val != "single") |
| 763 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 764 | << A->getSpelling() << Val; |
| 765 | } |
| 766 | |
| 767 | int FunctionGroups = 1; |
| 768 | int SelectedFunctionGroup = 0; |
| 769 | if (const auto *A = Args.getLastArg(Ids: options::OPT_fprofile_function_groups)) { |
| 770 | StringRef Val = A->getValue(); |
| 771 | if (Val.getAsInteger(Radix: 0, Result&: FunctionGroups) || FunctionGroups < 1) |
| 772 | D.Diag(DiagID: diag::err_drv_invalid_int_value) << A->getAsString(Args) << Val; |
| 773 | } |
| 774 | if (const auto *A = |
| 775 | Args.getLastArg(Ids: options::OPT_fprofile_selected_function_group)) { |
| 776 | StringRef Val = A->getValue(); |
| 777 | if (Val.getAsInteger(Radix: 0, Result&: SelectedFunctionGroup) || |
| 778 | SelectedFunctionGroup < 0 || SelectedFunctionGroup >= FunctionGroups) |
| 779 | D.Diag(DiagID: diag::err_drv_invalid_int_value) << A->getAsString(Args) << Val; |
| 780 | } |
| 781 | if (FunctionGroups != 1) |
| 782 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-fprofile-function-groups="+ |
| 783 | Twine(FunctionGroups))); |
| 784 | if (SelectedFunctionGroup != 0) |
| 785 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-fprofile-selected-function-group="+ |
| 786 | Twine(SelectedFunctionGroup))); |
| 787 | |
| 788 | // Leave -fprofile-dir= an unused argument unless .gcda emission is |
| 789 | // enabled. To be polite, with '-fprofile-arcs -fno-profile-arcs' consider |
| 790 | // the flag used. There is no -fno-profile-dir, so the user has no |
| 791 | // targeted way to suppress the warning. |
| 792 | Arg *FProfileDir = nullptr; |
| 793 | if (Args.hasArg(Ids: options::OPT_fprofile_arcs) || |
| 794 | Args.hasArg(Ids: options::OPT_coverage)) |
| 795 | FProfileDir = Args.getLastArg(Ids: options::OPT_fprofile_dir); |
| 796 | |
| 797 | // TODO: Don't claim -c/-S to warn about -fsyntax-only -c/-S, -E -c/-S, |
| 798 | // like we warn about -fsyntax-only -E. |
| 799 | (void)(Args.hasArg(Ids: options::OPT_c) || Args.hasArg(Ids: options::OPT_S)); |
| 800 | |
| 801 | // Put the .gcno and .gcda files (if needed) next to the primary output file, |
| 802 | // or fall back to a file in the current directory for `clang -c --coverage |
| 803 | // d/a.c` in the absence of -o. |
| 804 | if (EmitCovNotes || EmitCovData) { |
| 805 | SmallString<128> CoverageFilename; |
| 806 | if (Arg *DumpDir = Args.getLastArgNoClaim(Ids: options::OPT_dumpdir)) { |
| 807 | // Form ${dumpdir}${basename}.gcno. Note that dumpdir may not end with a |
| 808 | // path separator. |
| 809 | CoverageFilename = DumpDir->getValue(); |
| 810 | CoverageFilename += llvm::sys::path::filename(path: Output.getBaseInput()); |
| 811 | } else if (Arg *FinalOutput = |
| 812 | C.getArgs().getLastArg(Ids: options::OPT__SLASH_Fo)) { |
| 813 | CoverageFilename = FinalOutput->getValue(); |
| 814 | } else if (Arg *FinalOutput = C.getArgs().getLastArg(Ids: options::OPT_o)) { |
| 815 | CoverageFilename = FinalOutput->getValue(); |
| 816 | } else { |
| 817 | CoverageFilename = llvm::sys::path::filename(path: Output.getBaseInput()); |
| 818 | } |
| 819 | if (llvm::sys::path::is_relative(path: CoverageFilename)) |
| 820 | (void)D.getVFS().makeAbsolute(Path&: CoverageFilename); |
| 821 | llvm::sys::path::replace_extension(path&: CoverageFilename, extension: "gcno"); |
| 822 | if (EmitCovNotes) { |
| 823 | CmdArgs.push_back( |
| 824 | Elt: Args.MakeArgString(Str: "-coverage-notes-file="+ CoverageFilename)); |
| 825 | } |
| 826 | |
| 827 | if (EmitCovData) { |
| 828 | if (FProfileDir) { |
| 829 | SmallString<128> Gcno = std::move(CoverageFilename); |
| 830 | CoverageFilename = FProfileDir->getValue(); |
| 831 | llvm::sys::path::append(path&: CoverageFilename, a: Gcno); |
| 832 | } |
| 833 | llvm::sys::path::replace_extension(path&: CoverageFilename, extension: "gcda"); |
| 834 | CmdArgs.push_back( |
| 835 | Elt: Args.MakeArgString(Str: "-coverage-data-file="+ CoverageFilename)); |
| 836 | } |
| 837 | } |
| 838 | } |
| 839 | |
| 840 | static void |
| 841 | RenderDebugEnablingArgs(const ArgList &Args, ArgStringList &CmdArgs, |
| 842 | llvm::codegenoptions::DebugInfoKind DebugInfoKind, |
| 843 | unsigned DwarfVersion, |
| 844 | llvm::DebuggerKind DebuggerTuning) { |
| 845 | addDebugInfoKind(CmdArgs, DebugInfoKind); |
| 846 | if (DwarfVersion > 0) |
| 847 | CmdArgs.push_back( |
| 848 | Elt: Args.MakeArgString(Str: "-dwarf-version="+ Twine(DwarfVersion))); |
| 849 | switch (DebuggerTuning) { |
| 850 | case llvm::DebuggerKind::GDB: |
| 851 | CmdArgs.push_back(Elt: "-debugger-tuning=gdb"); |
| 852 | break; |
| 853 | case llvm::DebuggerKind::LLDB: |
| 854 | CmdArgs.push_back(Elt: "-debugger-tuning=lldb"); |
| 855 | break; |
| 856 | case llvm::DebuggerKind::SCE: |
| 857 | CmdArgs.push_back(Elt: "-debugger-tuning=sce"); |
| 858 | break; |
| 859 | case llvm::DebuggerKind::DBX: |
| 860 | CmdArgs.push_back(Elt: "-debugger-tuning=dbx"); |
| 861 | break; |
| 862 | default: |
| 863 | break; |
| 864 | } |
| 865 | } |
| 866 | |
| 867 | static bool checkDebugInfoOption(const Arg *A, const ArgList &Args, |
| 868 | const Driver &D, const ToolChain &TC) { |
| 869 | assert(A && "Expected non-nullptr argument."); |
| 870 | if (TC.supportsDebugInfoOption(A)) |
| 871 | return true; |
| 872 | D.Diag(DiagID: diag::warn_drv_unsupported_debug_info_opt_for_target) |
| 873 | << A->getAsString(Args) << TC.getTripleString(); |
| 874 | return false; |
| 875 | } |
| 876 | |
| 877 | static void RenderDebugInfoCompressionArgs(const ArgList &Args, |
| 878 | ArgStringList &CmdArgs, |
| 879 | const Driver &D, |
| 880 | const ToolChain &TC) { |
| 881 | const Arg *A = Args.getLastArg(Ids: options::OPT_gz_EQ); |
| 882 | if (!A) |
| 883 | return; |
| 884 | if (checkDebugInfoOption(A, Args, D, TC)) { |
| 885 | StringRef Value = A->getValue(); |
| 886 | if (Value == "none") { |
| 887 | CmdArgs.push_back(Elt: "--compress-debug-sections=none"); |
| 888 | } else if (Value == "zlib") { |
| 889 | if (llvm::compression::zlib::isAvailable()) { |
| 890 | CmdArgs.push_back( |
| 891 | Elt: Args.MakeArgString(Str: "--compress-debug-sections="+ Twine(Value))); |
| 892 | } else { |
| 893 | D.Diag(DiagID: diag::warn_debug_compression_unavailable) << "zlib"; |
| 894 | } |
| 895 | } else if (Value == "zstd") { |
| 896 | if (llvm::compression::zstd::isAvailable()) { |
| 897 | CmdArgs.push_back( |
| 898 | Elt: Args.MakeArgString(Str: "--compress-debug-sections="+ Twine(Value))); |
| 899 | } else { |
| 900 | D.Diag(DiagID: diag::warn_debug_compression_unavailable) << "zstd"; |
| 901 | } |
| 902 | } else { |
| 903 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 904 | << A->getSpelling() << Value; |
| 905 | } |
| 906 | } |
| 907 | } |
| 908 | |
| 909 | static void handleAMDGPUCodeObjectVersionOptions(const Driver &D, |
| 910 | const ArgList &Args, |
| 911 | ArgStringList &CmdArgs, |
| 912 | bool IsCC1As = false) { |
| 913 | // If no version was requested by the user, use the default value from the |
| 914 | // back end. This is consistent with the value returned from |
| 915 | // getAMDGPUCodeObjectVersion. This lets clang emit IR for amdgpu without |
| 916 | // requiring the corresponding llvm to have the AMDGPU target enabled, |
| 917 | // provided the user (e.g. front end tests) can use the default. |
| 918 | if (haveAMDGPUCodeObjectVersionArgument(D, Args)) { |
| 919 | unsigned CodeObjVer = getAMDGPUCodeObjectVersion(D, Args); |
| 920 | CmdArgs.insert(I: CmdArgs.begin() + 1, |
| 921 | Elt: Args.MakeArgString(Str: Twine("--amdhsa-code-object-version=") + |
| 922 | Twine(CodeObjVer))); |
| 923 | CmdArgs.insert(I: CmdArgs.begin() + 1, Elt: "-mllvm"); |
| 924 | // -cc1as does not accept -mcode-object-version option. |
| 925 | if (!IsCC1As) |
| 926 | CmdArgs.insert(I: CmdArgs.begin() + 1, |
| 927 | Elt: Args.MakeArgString(Str: Twine("-mcode-object-version=") + |
| 928 | Twine(CodeObjVer))); |
| 929 | } |
| 930 | } |
| 931 | |
| 932 | static bool maybeHasClangPchSignature(const Driver &D, StringRef Path) { |
| 933 | llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> MemBuf = |
| 934 | D.getVFS().getBufferForFile(Name: Path); |
| 935 | if (!MemBuf) |
| 936 | return false; |
| 937 | llvm::file_magic Magic = llvm::identify_magic(magic: (*MemBuf)->getBuffer()); |
| 938 | if (Magic == llvm::file_magic::unknown) |
| 939 | return false; |
| 940 | // Return true for both raw Clang AST files and object files which may |
| 941 | // contain a __clangast section. |
| 942 | if (Magic == llvm::file_magic::clang_ast) |
| 943 | return true; |
| 944 | Expected<std::unique_ptr<llvm::object::ObjectFile>> Obj = |
| 945 | llvm::object::ObjectFile::createObjectFile(Object: **MemBuf, Type: Magic); |
| 946 | return !Obj.takeError(); |
| 947 | } |
| 948 | |
| 949 | static bool gchProbe(const Driver &D, StringRef Path) { |
| 950 | llvm::ErrorOr<llvm::vfs::Status> Status = D.getVFS().status(Path); |
| 951 | if (!Status) |
| 952 | return false; |
| 953 | |
| 954 | if (Status->isDirectory()) { |
| 955 | std::error_code EC; |
| 956 | for (llvm::vfs::directory_iterator DI = D.getVFS().dir_begin(Dir: Path, EC), DE; |
| 957 | !EC && DI != DE; DI = DI.increment(EC)) { |
| 958 | if (maybeHasClangPchSignature(D, Path: DI->path())) |
| 959 | return true; |
| 960 | } |
| 961 | D.Diag(DiagID: diag::warn_drv_pch_ignoring_gch_dir) << Path; |
| 962 | return false; |
| 963 | } |
| 964 | |
| 965 | if (maybeHasClangPchSignature(D, Path)) |
| 966 | return true; |
| 967 | D.Diag(DiagID: diag::warn_drv_pch_ignoring_gch_file) << Path; |
| 968 | return false; |
| 969 | } |
| 970 | |
| 971 | void Clang::AddPreprocessingOptions(Compilation &C, const JobAction &JA, |
| 972 | const Driver &D, const ArgList &Args, |
| 973 | ArgStringList &CmdArgs, |
| 974 | const InputInfo &Output, |
| 975 | const InputInfoList &Inputs) const { |
| 976 | const bool IsIAMCU = getToolChain().getTriple().isOSIAMCU(); |
| 977 | |
| 978 | CheckPreprocessingOptions(D, Args); |
| 979 | |
| 980 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_C); |
| 981 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_CC); |
| 982 | |
| 983 | // Handle dependency file generation. |
| 984 | Arg *ArgM = Args.getLastArg(Ids: options::OPT_MM); |
| 985 | if (!ArgM) |
| 986 | ArgM = Args.getLastArg(Ids: options::OPT_M); |
| 987 | Arg *ArgMD = Args.getLastArg(Ids: options::OPT_MMD); |
| 988 | if (!ArgMD) |
| 989 | ArgMD = Args.getLastArg(Ids: options::OPT_MD); |
| 990 | |
| 991 | // -M and -MM imply -w. |
| 992 | if (ArgM) |
| 993 | CmdArgs.push_back(Elt: "-w"); |
| 994 | else |
| 995 | ArgM = ArgMD; |
| 996 | |
| 997 | if (ArgM) { |
| 998 | // Determine the output location. |
| 999 | const char *DepFile; |
| 1000 | if (Arg *MF = Args.getLastArg(Ids: options::OPT_MF)) { |
| 1001 | DepFile = MF->getValue(); |
| 1002 | C.addFailureResultFile(Name: DepFile, JA: &JA); |
| 1003 | } else if (Output.getType() == types::TY_Dependencies) { |
| 1004 | DepFile = Output.getFilename(); |
| 1005 | } else if (!ArgMD) { |
| 1006 | DepFile = "-"; |
| 1007 | } else { |
| 1008 | DepFile = getDependencyFileName(Args, Inputs); |
| 1009 | C.addFailureResultFile(Name: DepFile, JA: &JA); |
| 1010 | } |
| 1011 | CmdArgs.push_back(Elt: "-dependency-file"); |
| 1012 | CmdArgs.push_back(Elt: DepFile); |
| 1013 | |
| 1014 | bool HasTarget = false; |
| 1015 | for (const Arg *A : Args.filtered(Ids: options::OPT_MT, Ids: options::OPT_MQ)) { |
| 1016 | HasTarget = true; |
| 1017 | A->claim(); |
| 1018 | if (A->getOption().matches(ID: options::OPT_MT)) { |
| 1019 | A->render(Args, Output&: CmdArgs); |
| 1020 | } else { |
| 1021 | CmdArgs.push_back(Elt: "-MT"); |
| 1022 | SmallString<128> Quoted; |
| 1023 | quoteMakeTarget(Target: A->getValue(), Res&: Quoted); |
| 1024 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Quoted)); |
| 1025 | } |
| 1026 | } |
| 1027 | |
| 1028 | // Add a default target if one wasn't specified. |
| 1029 | if (!HasTarget) { |
| 1030 | const char *DepTarget; |
| 1031 | |
| 1032 | // If user provided -o, that is the dependency target, except |
| 1033 | // when we are only generating a dependency file. |
| 1034 | Arg *OutputOpt = Args.getLastArg(Ids: options::OPT_o, Ids: options::OPT__SLASH_Fo); |
| 1035 | if (OutputOpt && Output.getType() != types::TY_Dependencies) { |
| 1036 | DepTarget = OutputOpt->getValue(); |
| 1037 | } else { |
| 1038 | // Otherwise derive from the base input. |
| 1039 | // |
| 1040 | // FIXME: This should use the computed output file location. |
| 1041 | SmallString<128> P(Inputs[0].getBaseInput()); |
| 1042 | llvm::sys::path::replace_extension(path&: P, extension: "o"); |
| 1043 | DepTarget = Args.MakeArgString(Str: llvm::sys::path::filename(path: P)); |
| 1044 | } |
| 1045 | |
| 1046 | CmdArgs.push_back(Elt: "-MT"); |
| 1047 | SmallString<128> Quoted; |
| 1048 | quoteMakeTarget(Target: DepTarget, Res&: Quoted); |
| 1049 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Quoted)); |
| 1050 | } |
| 1051 | |
| 1052 | if (ArgM->getOption().matches(ID: options::OPT_M) || |
| 1053 | ArgM->getOption().matches(ID: options::OPT_MD)) |
| 1054 | CmdArgs.push_back(Elt: "-sys-header-deps"); |
| 1055 | if ((isa<PrecompileJobAction>(Val: JA) && |
| 1056 | !Args.hasArg(Ids: options::OPT_fno_module_file_deps)) || |
| 1057 | Args.hasArg(Ids: options::OPT_fmodule_file_deps)) |
| 1058 | CmdArgs.push_back(Elt: "-module-file-deps"); |
| 1059 | } |
| 1060 | |
| 1061 | if (Args.hasArg(Ids: options::OPT_MG)) { |
| 1062 | if (!ArgM || ArgM->getOption().matches(ID: options::OPT_MD) || |
| 1063 | ArgM->getOption().matches(ID: options::OPT_MMD)) |
| 1064 | D.Diag(DiagID: diag::err_drv_mg_requires_m_or_mm); |
| 1065 | CmdArgs.push_back(Elt: "-MG"); |
| 1066 | } |
| 1067 | |
| 1068 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_MP); |
| 1069 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_MV); |
| 1070 | |
| 1071 | // Add offload include arguments specific for CUDA/HIP. This must happen |
| 1072 | // before we -I or -include anything else, because we must pick up the |
| 1073 | // CUDA/HIP headers from the particular CUDA/ROCm installation, rather than |
| 1074 | // from e.g. /usr/local/include. |
| 1075 | if (JA.isOffloading(OKind: Action::OFK_Cuda)) |
| 1076 | getToolChain().AddCudaIncludeArgs(DriverArgs: Args, CC1Args&: CmdArgs); |
| 1077 | if (JA.isOffloading(OKind: Action::OFK_HIP)) |
| 1078 | getToolChain().AddHIPIncludeArgs(DriverArgs: Args, CC1Args&: CmdArgs); |
| 1079 | |
| 1080 | // If we are offloading to a target via OpenMP we need to include the |
| 1081 | // openmp_wrappers folder which contains alternative system headers. |
| 1082 | if (JA.isDeviceOffloading(OKind: Action::OFK_OpenMP) && |
| 1083 | !Args.hasArg(Ids: options::OPT_nostdinc) && |
| 1084 | !Args.hasArg(Ids: options::OPT_nogpuinc) && |
| 1085 | (getToolChain().getTriple().isNVPTX() || |
| 1086 | getToolChain().getTriple().isAMDGCN())) { |
| 1087 | if (!Args.hasArg(Ids: options::OPT_nobuiltininc)) { |
| 1088 | // Add openmp_wrappers/* to our system include path. This lets us wrap |
| 1089 | // standard library headers. |
| 1090 | SmallString<128> P(D.ResourceDir); |
| 1091 | llvm::sys::path::append(path&: P, a: "include"); |
| 1092 | llvm::sys::path::append(path&: P, a: "openmp_wrappers"); |
| 1093 | CmdArgs.push_back(Elt: "-internal-isystem"); |
| 1094 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: P)); |
| 1095 | } |
| 1096 | |
| 1097 | CmdArgs.push_back(Elt: "-include"); |
| 1098 | CmdArgs.push_back(Elt: "__clang_openmp_device_functions.h"); |
| 1099 | } |
| 1100 | |
| 1101 | // Add -i* options, and automatically translate to |
| 1102 | // -include-pch/-include-pth for transparent PCH support. It's |
| 1103 | // wonky, but we include looking for .gch so we can support seamless |
| 1104 | // replacement into a build system already set up to be generating |
| 1105 | // .gch files. |
| 1106 | |
| 1107 | if (getToolChain().getDriver().IsCLMode()) { |
| 1108 | const Arg *YcArg = Args.getLastArg(Ids: options::OPT__SLASH_Yc); |
| 1109 | const Arg *YuArg = Args.getLastArg(Ids: options::OPT__SLASH_Yu); |
| 1110 | if (YcArg && JA.getKind() >= Action::PrecompileJobClass && |
| 1111 | JA.getKind() <= Action::AssembleJobClass) { |
| 1112 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-building-pch-with-obj")); |
| 1113 | // -fpch-instantiate-templates is the default when creating |
| 1114 | // precomp using /Yc |
| 1115 | if (Args.hasFlag(Pos: options::OPT_fpch_instantiate_templates, |
| 1116 | Neg: options::OPT_fno_pch_instantiate_templates, Default: true)) |
| 1117 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-fpch-instantiate-templates")); |
| 1118 | } |
| 1119 | if (YcArg || YuArg) { |
| 1120 | StringRef ThroughHeader = YcArg ? YcArg->getValue() : YuArg->getValue(); |
| 1121 | if (!isa<PrecompileJobAction>(Val: JA)) { |
| 1122 | CmdArgs.push_back(Elt: "-include-pch"); |
| 1123 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: D.GetClPchPath( |
| 1124 | C, BaseName: !ThroughHeader.empty() |
| 1125 | ? ThroughHeader |
| 1126 | : llvm::sys::path::filename(path: Inputs[0].getBaseInput())))); |
| 1127 | } |
| 1128 | |
| 1129 | if (ThroughHeader.empty()) { |
| 1130 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 1131 | Str: Twine("-pch-through-hdrstop-") + (YcArg ? "create": "use"))); |
| 1132 | } else { |
| 1133 | CmdArgs.push_back( |
| 1134 | Elt: Args.MakeArgString(Str: Twine("-pch-through-header=") + ThroughHeader)); |
| 1135 | } |
| 1136 | } |
| 1137 | } |
| 1138 | |
| 1139 | bool RenderedImplicitInclude = false; |
| 1140 | for (const Arg *A : Args.filtered(Ids: options::OPT_clang_i_Group)) { |
| 1141 | if (A->getOption().matches(ID: options::OPT_include) && |
| 1142 | D.getProbePrecompiled()) { |
| 1143 | // Handling of gcc-style gch precompiled headers. |
| 1144 | bool IsFirstImplicitInclude = !RenderedImplicitInclude; |
| 1145 | RenderedImplicitInclude = true; |
| 1146 | |
| 1147 | bool FoundPCH = false; |
| 1148 | SmallString<128> P(A->getValue()); |
| 1149 | // We want the files to have a name like foo.h.pch. Add a dummy extension |
| 1150 | // so that replace_extension does the right thing. |
| 1151 | P += ".dummy"; |
| 1152 | llvm::sys::path::replace_extension(path&: P, extension: "pch"); |
| 1153 | if (D.getVFS().exists(Path: P)) |
| 1154 | FoundPCH = true; |
| 1155 | |
| 1156 | if (!FoundPCH) { |
| 1157 | // For GCC compat, probe for a file or directory ending in .gch instead. |
| 1158 | llvm::sys::path::replace_extension(path&: P, extension: "gch"); |
| 1159 | FoundPCH = gchProbe(D, Path: P.str()); |
| 1160 | } |
| 1161 | |
| 1162 | if (FoundPCH) { |
| 1163 | if (IsFirstImplicitInclude) { |
| 1164 | A->claim(); |
| 1165 | CmdArgs.push_back(Elt: "-include-pch"); |
| 1166 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: P)); |
| 1167 | continue; |
| 1168 | } else { |
| 1169 | // Ignore the PCH if not first on command line and emit warning. |
| 1170 | D.Diag(DiagID: diag::warn_drv_pch_not_first_include) << P |
| 1171 | << A->getAsString(Args); |
| 1172 | } |
| 1173 | } |
| 1174 | } else if (A->getOption().matches(ID: options::OPT_isystem_after)) { |
| 1175 | // Handling of paths which must come late. These entries are handled by |
| 1176 | // the toolchain itself after the resource dir is inserted in the right |
| 1177 | // search order. |
| 1178 | // Do not claim the argument so that the use of the argument does not |
| 1179 | // silently go unnoticed on toolchains which do not honour the option. |
| 1180 | continue; |
| 1181 | } else if (A->getOption().matches(ID: options::OPT_stdlibxx_isystem)) { |
| 1182 | // Translated to -internal-isystem by the driver, no need to pass to cc1. |
| 1183 | continue; |
| 1184 | } else if (A->getOption().matches(ID: options::OPT_ibuiltininc)) { |
| 1185 | // This is used only by the driver. No need to pass to cc1. |
| 1186 | continue; |
| 1187 | } |
| 1188 | |
| 1189 | // Not translated, render as usual. |
| 1190 | A->claim(); |
| 1191 | A->render(Args, Output&: CmdArgs); |
| 1192 | } |
| 1193 | |
| 1194 | Args.addAllArgs(Output&: CmdArgs, |
| 1195 | Ids: {options::OPT_D, options::OPT_U, options::OPT_I_Group, |
| 1196 | options::OPT_F, options::OPT_index_header_map, |
| 1197 | options::OPT_embed_dir_EQ}); |
| 1198 | |
| 1199 | // Add -Wp, and -Xpreprocessor if using the preprocessor. |
| 1200 | |
| 1201 | // FIXME: There is a very unfortunate problem here, some troubled |
| 1202 | // souls abuse -Wp, to pass preprocessor options in gcc syntax. To |
| 1203 | // really support that we would have to parse and then translate |
| 1204 | // those options. :( |
| 1205 | Args.AddAllArgValues(Output&: CmdArgs, Id0: options::OPT_Wp_COMMA, |
| 1206 | Id1: options::OPT_Xpreprocessor); |
| 1207 | |
| 1208 | // -I- is a deprecated GCC feature, reject it. |
| 1209 | if (Arg *A = Args.getLastArg(Ids: options::OPT_I_)) |
| 1210 | D.Diag(DiagID: diag::err_drv_I_dash_not_supported) << A->getAsString(Args); |
| 1211 | |
| 1212 | // If we have a --sysroot, and don't have an explicit -isysroot flag, add an |
| 1213 | // -isysroot to the CC1 invocation. |
| 1214 | StringRef sysroot = C.getSysRoot(); |
| 1215 | if (sysroot != "") { |
| 1216 | if (!Args.hasArg(Ids: options::OPT_isysroot)) { |
| 1217 | CmdArgs.push_back(Elt: "-isysroot"); |
| 1218 | CmdArgs.push_back(Elt: C.getArgs().MakeArgString(Str: sysroot)); |
| 1219 | } |
| 1220 | } |
| 1221 | |
| 1222 | // Parse additional include paths from environment variables. |
| 1223 | // FIXME: We should probably sink the logic for handling these from the |
| 1224 | // frontend into the driver. It will allow deleting 4 otherwise unused flags. |
| 1225 | // CPATH - included following the user specified includes (but prior to |
| 1226 | // builtin and standard includes). |
| 1227 | addDirectoryList(Args, CmdArgs, ArgName: "-I", EnvVar: "CPATH"); |
| 1228 | // C_INCLUDE_PATH - system includes enabled when compiling C. |
| 1229 | addDirectoryList(Args, CmdArgs, ArgName: "-c-isystem", EnvVar: "C_INCLUDE_PATH"); |
| 1230 | // CPLUS_INCLUDE_PATH - system includes enabled when compiling C++. |
| 1231 | addDirectoryList(Args, CmdArgs, ArgName: "-cxx-isystem", EnvVar: "CPLUS_INCLUDE_PATH"); |
| 1232 | // OBJC_INCLUDE_PATH - system includes enabled when compiling ObjC. |
| 1233 | addDirectoryList(Args, CmdArgs, ArgName: "-objc-isystem", EnvVar: "OBJC_INCLUDE_PATH"); |
| 1234 | // OBJCPLUS_INCLUDE_PATH - system includes enabled when compiling ObjC++. |
| 1235 | addDirectoryList(Args, CmdArgs, ArgName: "-objcxx-isystem", EnvVar: "OBJCPLUS_INCLUDE_PATH"); |
| 1236 | |
| 1237 | // While adding the include arguments, we also attempt to retrieve the |
| 1238 | // arguments of related offloading toolchains or arguments that are specific |
| 1239 | // of an offloading programming model. |
| 1240 | |
| 1241 | // Add C++ include arguments, if needed. |
| 1242 | if (types::isCXX(Id: Inputs[0].getType())) { |
| 1243 | bool HasStdlibxxIsystem = Args.hasArg(Ids: options::OPT_stdlibxx_isystem); |
| 1244 | forAllAssociatedToolChains( |
| 1245 | C, JA, RegularToolChain: getToolChain(), |
| 1246 | Work: [&Args, &CmdArgs, HasStdlibxxIsystem](const ToolChain &TC) { |
| 1247 | HasStdlibxxIsystem ? TC.AddClangCXXStdlibIsystemArgs(DriverArgs: Args, CC1Args&: CmdArgs) |
| 1248 | : TC.AddClangCXXStdlibIncludeArgs(DriverArgs: Args, CC1Args&: CmdArgs); |
| 1249 | }); |
| 1250 | } |
| 1251 | |
| 1252 | // If we are compiling for a GPU target we want to override the system headers |
| 1253 | // with ones created by the 'libc' project if present. |
| 1254 | // TODO: This should be moved to `AddClangSystemIncludeArgs` by passing the |
| 1255 | // OffloadKind as an argument. |
| 1256 | if (!Args.hasArg(Ids: options::OPT_nostdinc) && |
| 1257 | !Args.hasArg(Ids: options::OPT_nogpuinc) && |
| 1258 | !Args.hasArg(Ids: options::OPT_nobuiltininc)) { |
| 1259 | // Without an offloading language we will include these headers directly. |
| 1260 | // Offloading languages will instead only use the declarations stored in |
| 1261 | // the resource directory at clang/lib/Headers/llvm_libc_wrappers. |
| 1262 | if ((getToolChain().getTriple().isNVPTX() || |
| 1263 | getToolChain().getTriple().isAMDGCN()) && |
| 1264 | C.getActiveOffloadKinds() == Action::OFK_None) { |
| 1265 | SmallString<128> P(llvm::sys::path::parent_path(path: D.Dir)); |
| 1266 | llvm::sys::path::append(path&: P, a: "include"); |
| 1267 | llvm::sys::path::append(path&: P, a: getToolChain().getTripleString()); |
| 1268 | CmdArgs.push_back(Elt: "-internal-isystem"); |
| 1269 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: P)); |
| 1270 | } else if (C.getActiveOffloadKinds() == Action::OFK_OpenMP) { |
| 1271 | // TODO: CUDA / HIP include their own headers for some common functions |
| 1272 | // implemented here. We'll need to clean those up so they do not conflict. |
| 1273 | SmallString<128> P(D.ResourceDir); |
| 1274 | llvm::sys::path::append(path&: P, a: "include"); |
| 1275 | llvm::sys::path::append(path&: P, a: "llvm_libc_wrappers"); |
| 1276 | CmdArgs.push_back(Elt: "-internal-isystem"); |
| 1277 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: P)); |
| 1278 | } |
| 1279 | } |
| 1280 | |
| 1281 | // Add system include arguments for all targets but IAMCU. |
| 1282 | if (!IsIAMCU) |
| 1283 | forAllAssociatedToolChains(C, JA, RegularToolChain: getToolChain(), |
| 1284 | Work: [&Args, &CmdArgs](const ToolChain &TC) { |
| 1285 | TC.AddClangSystemIncludeArgs(DriverArgs: Args, CC1Args&: CmdArgs); |
| 1286 | }); |
| 1287 | else { |
| 1288 | // For IAMCU add special include arguments. |
| 1289 | getToolChain().AddIAMCUIncludeArgs(DriverArgs: Args, CC1Args&: CmdArgs); |
| 1290 | } |
| 1291 | |
| 1292 | addMacroPrefixMapArg(D, Args, CmdArgs); |
| 1293 | addCoveragePrefixMapArg(D, Args, CmdArgs); |
| 1294 | |
| 1295 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_ffile_reproducible, |
| 1296 | Ids: options::OPT_fno_file_reproducible); |
| 1297 | |
| 1298 | if (const char *Epoch = std::getenv(name: "SOURCE_DATE_EPOCH")) { |
| 1299 | CmdArgs.push_back(Elt: "-source-date-epoch"); |
| 1300 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Epoch)); |
| 1301 | } |
| 1302 | |
| 1303 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fdefine_target_os_macros, |
| 1304 | Neg: options::OPT_fno_define_target_os_macros); |
| 1305 | } |
| 1306 | |
| 1307 | // FIXME: Move to target hook. |
| 1308 | static bool isSignedCharDefault(const llvm::Triple &Triple) { |
| 1309 | switch (Triple.getArch()) { |
| 1310 | default: |
| 1311 | return true; |
| 1312 | |
| 1313 | case llvm::Triple::aarch64: |
| 1314 | case llvm::Triple::aarch64_32: |
| 1315 | case llvm::Triple::aarch64_be: |
| 1316 | case llvm::Triple::arm: |
| 1317 | case llvm::Triple::armeb: |
| 1318 | case llvm::Triple::thumb: |
| 1319 | case llvm::Triple::thumbeb: |
| 1320 | if (Triple.isOSDarwin() || Triple.isOSWindows()) |
| 1321 | return true; |
| 1322 | return false; |
| 1323 | |
| 1324 | case llvm::Triple::ppc: |
| 1325 | case llvm::Triple::ppc64: |
| 1326 | if (Triple.isOSDarwin()) |
| 1327 | return true; |
| 1328 | return false; |
| 1329 | |
| 1330 | case llvm::Triple::hexagon: |
| 1331 | case llvm::Triple::ppcle: |
| 1332 | case llvm::Triple::ppc64le: |
| 1333 | case llvm::Triple::riscv32: |
| 1334 | case llvm::Triple::riscv64: |
| 1335 | case llvm::Triple::systemz: |
| 1336 | case llvm::Triple::xcore: |
| 1337 | return false; |
| 1338 | } |
| 1339 | } |
| 1340 | |
| 1341 | static bool hasMultipleInvocations(const llvm::Triple &Triple, |
| 1342 | const ArgList &Args) { |
| 1343 | // Supported only on Darwin where we invoke the compiler multiple times |
| 1344 | // followed by an invocation to lipo. |
| 1345 | if (!Triple.isOSDarwin()) |
| 1346 | return false; |
| 1347 | // If more than one "-arch <arch>" is specified, we're targeting multiple |
| 1348 | // architectures resulting in a fat binary. |
| 1349 | return Args.getAllArgValues(Id: options::OPT_arch).size() > 1; |
| 1350 | } |
| 1351 | |
| 1352 | static bool checkRemarksOptions(const Driver &D, const ArgList &Args, |
| 1353 | const llvm::Triple &Triple) { |
| 1354 | // When enabling remarks, we need to error if: |
| 1355 | // * The remark file is specified but we're targeting multiple architectures, |
| 1356 | // which means more than one remark file is being generated. |
| 1357 | bool hasMultipleInvocations = ::hasMultipleInvocations(Triple, Args); |
| 1358 | bool hasExplicitOutputFile = |
| 1359 | Args.getLastArg(Ids: options::OPT_foptimization_record_file_EQ); |
| 1360 | if (hasMultipleInvocations && hasExplicitOutputFile) { |
| 1361 | D.Diag(DiagID: diag::err_drv_invalid_output_with_multiple_archs) |
| 1362 | << "-foptimization-record-file"; |
| 1363 | return false; |
| 1364 | } |
| 1365 | return true; |
| 1366 | } |
| 1367 | |
| 1368 | static void renderRemarksOptions(const ArgList &Args, ArgStringList &CmdArgs, |
| 1369 | const llvm::Triple &Triple, |
| 1370 | const InputInfo &Input, |
| 1371 | const InputInfo &Output, const JobAction &JA) { |
| 1372 | StringRef Format = "yaml"; |
| 1373 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_fsave_optimization_record_EQ)) |
| 1374 | Format = A->getValue(); |
| 1375 | |
| 1376 | CmdArgs.push_back(Elt: "-opt-record-file"); |
| 1377 | |
| 1378 | const Arg *A = Args.getLastArg(Ids: options::OPT_foptimization_record_file_EQ); |
| 1379 | if (A) { |
| 1380 | CmdArgs.push_back(Elt: A->getValue()); |
| 1381 | } else { |
| 1382 | bool hasMultipleArchs = |
| 1383 | Triple.isOSDarwin() && // Only supported on Darwin platforms. |
| 1384 | Args.getAllArgValues(Id: options::OPT_arch).size() > 1; |
| 1385 | |
| 1386 | SmallString<128> F; |
| 1387 | |
| 1388 | if (Args.hasArg(Ids: options::OPT_c) || Args.hasArg(Ids: options::OPT_S)) { |
| 1389 | if (Arg *FinalOutput = Args.getLastArg(Ids: options::OPT_o)) |
| 1390 | F = FinalOutput->getValue(); |
| 1391 | } else { |
| 1392 | if (Format != "yaml"&& // For YAML, keep the original behavior. |
| 1393 | Triple.isOSDarwin() && // Enable this only on darwin, since it's the only platform supporting .dSYM bundles. |
| 1394 | Output.isFilename()) |
| 1395 | F = Output.getFilename(); |
| 1396 | } |
| 1397 | |
| 1398 | if (F.empty()) { |
| 1399 | // Use the input filename. |
| 1400 | F = llvm::sys::path::stem(path: Input.getBaseInput()); |
| 1401 | |
| 1402 | // If we're compiling for an offload architecture (i.e. a CUDA device), |
| 1403 | // we need to make the file name for the device compilation different |
| 1404 | // from the host compilation. |
| 1405 | if (!JA.isDeviceOffloading(OKind: Action::OFK_None) && |
| 1406 | !JA.isDeviceOffloading(OKind: Action::OFK_Host)) { |
| 1407 | llvm::sys::path::replace_extension(path&: F, extension: ""); |
| 1408 | F += Action::GetOffloadingFileNamePrefix(Kind: JA.getOffloadingDeviceKind(), |
| 1409 | NormalizedTriple: Triple.normalize()); |
| 1410 | F += "-"; |
| 1411 | F += JA.getOffloadingArch(); |
| 1412 | } |
| 1413 | } |
| 1414 | |
| 1415 | // If we're having more than one "-arch", we should name the files |
| 1416 | // differently so that every cc1 invocation writes to a different file. |
| 1417 | // We're doing that by appending "-<arch>" with "<arch>" being the arch |
| 1418 | // name from the triple. |
| 1419 | if (hasMultipleArchs) { |
| 1420 | // First, remember the extension. |
| 1421 | SmallString<64> OldExtension = llvm::sys::path::extension(path: F); |
| 1422 | // then, remove it. |
| 1423 | llvm::sys::path::replace_extension(path&: F, extension: ""); |
| 1424 | // attach -<arch> to it. |
| 1425 | F += "-"; |
| 1426 | F += Triple.getArchName(); |
| 1427 | // put back the extension. |
| 1428 | llvm::sys::path::replace_extension(path&: F, extension: OldExtension); |
| 1429 | } |
| 1430 | |
| 1431 | SmallString<32> Extension; |
| 1432 | Extension += "opt."; |
| 1433 | Extension += Format; |
| 1434 | |
| 1435 | llvm::sys::path::replace_extension(path&: F, extension: Extension); |
| 1436 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: F)); |
| 1437 | } |
| 1438 | |
| 1439 | if (const Arg *A = |
| 1440 | Args.getLastArg(Ids: options::OPT_foptimization_record_passes_EQ)) { |
| 1441 | CmdArgs.push_back(Elt: "-opt-record-passes"); |
| 1442 | CmdArgs.push_back(Elt: A->getValue()); |
| 1443 | } |
| 1444 | |
| 1445 | if (!Format.empty()) { |
| 1446 | CmdArgs.push_back(Elt: "-opt-record-format"); |
| 1447 | CmdArgs.push_back(Elt: Format.data()); |
| 1448 | } |
| 1449 | } |
| 1450 | |
| 1451 | void AddAAPCSVolatileBitfieldArgs(const ArgList &Args, ArgStringList &CmdArgs) { |
| 1452 | if (!Args.hasFlag(Pos: options::OPT_faapcs_bitfield_width, |
| 1453 | Neg: options::OPT_fno_aapcs_bitfield_width, Default: true)) |
| 1454 | CmdArgs.push_back(Elt: "-fno-aapcs-bitfield-width"); |
| 1455 | |
| 1456 | if (Args.getLastArg(Ids: options::OPT_ForceAAPCSBitfieldLoad)) |
| 1457 | CmdArgs.push_back(Elt: "-faapcs-bitfield-load"); |
| 1458 | } |
| 1459 | |
| 1460 | namespace { |
| 1461 | void RenderARMABI(const Driver &D, const llvm::Triple &Triple, |
| 1462 | const ArgList &Args, ArgStringList &CmdArgs) { |
| 1463 | // Select the ABI to use. |
| 1464 | // FIXME: Support -meabi. |
| 1465 | // FIXME: Parts of this are duplicated in the backend, unify this somehow. |
| 1466 | const char *ABIName = nullptr; |
| 1467 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mabi_EQ)) { |
| 1468 | ABIName = A->getValue(); |
| 1469 | } else { |
| 1470 | std::string CPU = getCPUName(D, Args, T: Triple, /*FromAs*/ false); |
| 1471 | ABIName = llvm::ARM::computeDefaultTargetABI(TT: Triple, CPU).data(); |
| 1472 | } |
| 1473 | |
| 1474 | CmdArgs.push_back(Elt: "-target-abi"); |
| 1475 | CmdArgs.push_back(Elt: ABIName); |
| 1476 | } |
| 1477 | |
| 1478 | void AddUnalignedAccessWarning(ArgStringList &CmdArgs) { |
| 1479 | auto StrictAlignIter = |
| 1480 | llvm::find_if(Range: llvm::reverse(C&: CmdArgs), P: [](StringRef Arg) { |
| 1481 | return Arg == "+strict-align"|| Arg == "-strict-align"; |
| 1482 | }); |
| 1483 | if (StrictAlignIter != CmdArgs.rend() && |
| 1484 | StringRef(*StrictAlignIter) == "+strict-align") |
| 1485 | CmdArgs.push_back(Elt: "-Wunaligned-access"); |
| 1486 | } |
| 1487 | } |
| 1488 | |
| 1489 | // Each combination of options here forms a signing schema, and in most cases |
| 1490 | // each signing schema is its own incompatible ABI. The default values of the |
| 1491 | // options represent the default signing schema. |
| 1492 | static void handlePAuthABI(const ArgList &DriverArgs, ArgStringList &CC1Args) { |
| 1493 | if (!DriverArgs.hasArg(Ids: options::OPT_fptrauth_intrinsics, |
| 1494 | Ids: options::OPT_fno_ptrauth_intrinsics)) |
| 1495 | CC1Args.push_back(Elt: "-fptrauth-intrinsics"); |
| 1496 | |
| 1497 | if (!DriverArgs.hasArg(Ids: options::OPT_fptrauth_calls, |
| 1498 | Ids: options::OPT_fno_ptrauth_calls)) |
| 1499 | CC1Args.push_back(Elt: "-fptrauth-calls"); |
| 1500 | |
| 1501 | if (!DriverArgs.hasArg(Ids: options::OPT_fptrauth_returns, |
| 1502 | Ids: options::OPT_fno_ptrauth_returns)) |
| 1503 | CC1Args.push_back(Elt: "-fptrauth-returns"); |
| 1504 | |
| 1505 | if (!DriverArgs.hasArg(Ids: options::OPT_fptrauth_auth_traps, |
| 1506 | Ids: options::OPT_fno_ptrauth_auth_traps)) |
| 1507 | CC1Args.push_back(Elt: "-fptrauth-auth-traps"); |
| 1508 | |
| 1509 | if (!DriverArgs.hasArg( |
| 1510 | Ids: options::OPT_fptrauth_vtable_pointer_address_discrimination, |
| 1511 | Ids: options::OPT_fno_ptrauth_vtable_pointer_address_discrimination)) |
| 1512 | CC1Args.push_back(Elt: "-fptrauth-vtable-pointer-address-discrimination"); |
| 1513 | |
| 1514 | if (!DriverArgs.hasArg( |
| 1515 | Ids: options::OPT_fptrauth_vtable_pointer_type_discrimination, |
| 1516 | Ids: options::OPT_fno_ptrauth_vtable_pointer_type_discrimination)) |
| 1517 | CC1Args.push_back(Elt: "-fptrauth-vtable-pointer-type-discrimination"); |
| 1518 | |
| 1519 | if (!DriverArgs.hasArg(Ids: options::OPT_fptrauth_indirect_gotos, |
| 1520 | Ids: options::OPT_fno_ptrauth_indirect_gotos)) |
| 1521 | CC1Args.push_back(Elt: "-fptrauth-indirect-gotos"); |
| 1522 | |
| 1523 | if (!DriverArgs.hasArg(Ids: options::OPT_fptrauth_init_fini, |
| 1524 | Ids: options::OPT_fno_ptrauth_init_fini)) |
| 1525 | CC1Args.push_back(Elt: "-fptrauth-init-fini"); |
| 1526 | } |
| 1527 | |
| 1528 | static void CollectARMPACBTIOptions(const ToolChain &TC, const ArgList &Args, |
| 1529 | ArgStringList &CmdArgs, bool isAArch64) { |
| 1530 | const Arg *A = isAArch64 |
| 1531 | ? Args.getLastArg(Ids: options::OPT_msign_return_address_EQ, |
| 1532 | Ids: options::OPT_mbranch_protection_EQ) |
| 1533 | : Args.getLastArg(Ids: options::OPT_mbranch_protection_EQ); |
| 1534 | if (!A) |
| 1535 | return; |
| 1536 | |
| 1537 | const Driver &D = TC.getDriver(); |
| 1538 | const llvm::Triple &Triple = TC.getEffectiveTriple(); |
| 1539 | if (!(isAArch64 || (Triple.isArmT32() && Triple.isArmMClass()))) |
| 1540 | D.Diag(DiagID: diag::warn_incompatible_branch_protection_option) |
| 1541 | << Triple.getArchName(); |
| 1542 | |
| 1543 | StringRef Scope, Key; |
| 1544 | bool IndirectBranches, BranchProtectionPAuthLR, GuardedControlStack; |
| 1545 | |
| 1546 | if (A->getOption().matches(ID: options::OPT_msign_return_address_EQ)) { |
| 1547 | Scope = A->getValue(); |
| 1548 | if (Scope != "none"&& Scope != "non-leaf"&& Scope != "all") |
| 1549 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 1550 | << A->getSpelling() << Scope; |
| 1551 | Key = "a_key"; |
| 1552 | IndirectBranches = false; |
| 1553 | BranchProtectionPAuthLR = false; |
| 1554 | GuardedControlStack = false; |
| 1555 | } else { |
| 1556 | StringRef DiagMsg; |
| 1557 | llvm::ARM::ParsedBranchProtection PBP; |
| 1558 | bool EnablePAuthLR = false; |
| 1559 | |
| 1560 | // To know if we need to enable PAuth-LR As part of the standard branch |
| 1561 | // protection option, it needs to be determined if the feature has been |
| 1562 | // activated in the `march` argument. This information is stored within the |
| 1563 | // CmdArgs variable and can be found using a search. |
| 1564 | if (isAArch64) { |
| 1565 | auto isPAuthLR = [](const char *member) { |
| 1566 | llvm::AArch64::ExtensionInfo pauthlr_extension = |
| 1567 | llvm::AArch64::getExtensionByID(ExtID: llvm::AArch64::AEK_PAUTHLR); |
| 1568 | return pauthlr_extension.PosTargetFeature == member; |
| 1569 | }; |
| 1570 | |
| 1571 | if (std::any_of(first: CmdArgs.begin(), last: CmdArgs.end(), pred: isPAuthLR)) |
| 1572 | EnablePAuthLR = true; |
| 1573 | } |
| 1574 | if (!llvm::ARM::parseBranchProtection(Spec: A->getValue(), PBP, Err&: DiagMsg, |
| 1575 | EnablePAuthLR)) |
| 1576 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 1577 | << A->getSpelling() << DiagMsg; |
| 1578 | if (!isAArch64 && PBP.Key == "b_key") |
| 1579 | D.Diag(DiagID: diag::warn_unsupported_branch_protection) |
| 1580 | << "b-key"<< A->getAsString(Args); |
| 1581 | Scope = PBP.Scope; |
| 1582 | Key = PBP.Key; |
| 1583 | BranchProtectionPAuthLR = PBP.BranchProtectionPAuthLR; |
| 1584 | IndirectBranches = PBP.BranchTargetEnforcement; |
| 1585 | GuardedControlStack = PBP.GuardedControlStack; |
| 1586 | } |
| 1587 | |
| 1588 | CmdArgs.push_back( |
| 1589 | Elt: Args.MakeArgString(Str: Twine("-msign-return-address=") + Scope)); |
| 1590 | if (Scope != "none") { |
| 1591 | if (Triple.getEnvironment() == llvm::Triple::PAuthTest) |
| 1592 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 1593 | << A->getAsString(Args) << Triple.getTriple(); |
| 1594 | CmdArgs.push_back( |
| 1595 | Elt: Args.MakeArgString(Str: Twine("-msign-return-address-key=") + Key)); |
| 1596 | } |
| 1597 | if (BranchProtectionPAuthLR) { |
| 1598 | if (Triple.getEnvironment() == llvm::Triple::PAuthTest) |
| 1599 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 1600 | << A->getAsString(Args) << Triple.getTriple(); |
| 1601 | CmdArgs.push_back( |
| 1602 | Elt: Args.MakeArgString(Str: Twine("-mbranch-protection-pauth-lr"))); |
| 1603 | } |
| 1604 | if (IndirectBranches) |
| 1605 | CmdArgs.push_back(Elt: "-mbranch-target-enforce"); |
| 1606 | // GCS is currently untested with PAuthABI, but enabling this could be allowed |
| 1607 | // in future after testing with a suitable system. |
| 1608 | if (GuardedControlStack) { |
| 1609 | if (Triple.getEnvironment() == llvm::Triple::PAuthTest) |
| 1610 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 1611 | << A->getAsString(Args) << Triple.getTriple(); |
| 1612 | CmdArgs.push_back(Elt: "-mguarded-control-stack"); |
| 1613 | } |
| 1614 | } |
| 1615 | |
| 1616 | void Clang::AddARMTargetArgs(const llvm::Triple &Triple, const ArgList &Args, |
| 1617 | ArgStringList &CmdArgs, bool KernelOrKext) const { |
| 1618 | RenderARMABI(D: getToolChain().getDriver(), Triple, Args, CmdArgs); |
| 1619 | |
| 1620 | // Determine floating point ABI from the options & target defaults. |
| 1621 | arm::FloatABI ABI = arm::getARMFloatABI(TC: getToolChain(), Args); |
| 1622 | if (ABI == arm::FloatABI::Soft) { |
| 1623 | // Floating point operations and argument passing are soft. |
| 1624 | // FIXME: This changes CPP defines, we need -target-soft-float. |
| 1625 | CmdArgs.push_back(Elt: "-msoft-float"); |
| 1626 | CmdArgs.push_back(Elt: "-mfloat-abi"); |
| 1627 | CmdArgs.push_back(Elt: "soft"); |
| 1628 | } else if (ABI == arm::FloatABI::SoftFP) { |
| 1629 | // Floating point operations are hard, but argument passing is soft. |
| 1630 | CmdArgs.push_back(Elt: "-mfloat-abi"); |
| 1631 | CmdArgs.push_back(Elt: "soft"); |
| 1632 | } else { |
| 1633 | // Floating point operations and argument passing are hard. |
| 1634 | assert(ABI == arm::FloatABI::Hard && "Invalid float abi!"); |
| 1635 | CmdArgs.push_back(Elt: "-mfloat-abi"); |
| 1636 | CmdArgs.push_back(Elt: "hard"); |
| 1637 | } |
| 1638 | |
| 1639 | // Forward the -mglobal-merge option for explicit control over the pass. |
| 1640 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mglobal_merge, |
| 1641 | Ids: options::OPT_mno_global_merge)) { |
| 1642 | CmdArgs.push_back(Elt: "-mllvm"); |
| 1643 | if (A->getOption().matches(ID: options::OPT_mno_global_merge)) |
| 1644 | CmdArgs.push_back(Elt: "-arm-global-merge=false"); |
| 1645 | else |
| 1646 | CmdArgs.push_back(Elt: "-arm-global-merge=true"); |
| 1647 | } |
| 1648 | |
| 1649 | if (!Args.hasFlag(Pos: options::OPT_mimplicit_float, |
| 1650 | Neg: options::OPT_mno_implicit_float, Default: true)) |
| 1651 | CmdArgs.push_back(Elt: "-no-implicit-float"); |
| 1652 | |
| 1653 | if (Args.getLastArg(Ids: options::OPT_mcmse)) |
| 1654 | CmdArgs.push_back(Elt: "-mcmse"); |
| 1655 | |
| 1656 | AddAAPCSVolatileBitfieldArgs(Args, CmdArgs); |
| 1657 | |
| 1658 | // Enable/disable return address signing and indirect branch targets. |
| 1659 | CollectARMPACBTIOptions(TC: getToolChain(), Args, CmdArgs, isAArch64: false /*isAArch64*/); |
| 1660 | |
| 1661 | AddUnalignedAccessWarning(CmdArgs); |
| 1662 | } |
| 1663 | |
| 1664 | void Clang::RenderTargetOptions(const llvm::Triple &EffectiveTriple, |
| 1665 | const ArgList &Args, bool KernelOrKext, |
| 1666 | ArgStringList &CmdArgs) const { |
| 1667 | const ToolChain &TC = getToolChain(); |
| 1668 | |
| 1669 | // Add the target features |
| 1670 | getTargetFeatures(D: TC.getDriver(), Triple: EffectiveTriple, Args, CmdArgs, ForAS: false); |
| 1671 | |
| 1672 | // Add target specific flags. |
| 1673 | switch (TC.getArch()) { |
| 1674 | default: |
| 1675 | break; |
| 1676 | |
| 1677 | case llvm::Triple::arm: |
| 1678 | case llvm::Triple::armeb: |
| 1679 | case llvm::Triple::thumb: |
| 1680 | case llvm::Triple::thumbeb: |
| 1681 | // Use the effective triple, which takes into account the deployment target. |
| 1682 | AddARMTargetArgs(Triple: EffectiveTriple, Args, CmdArgs, KernelOrKext); |
| 1683 | break; |
| 1684 | |
| 1685 | case llvm::Triple::aarch64: |
| 1686 | case llvm::Triple::aarch64_32: |
| 1687 | case llvm::Triple::aarch64_be: |
| 1688 | AddAArch64TargetArgs(Args, CmdArgs); |
| 1689 | break; |
| 1690 | |
| 1691 | case llvm::Triple::loongarch32: |
| 1692 | case llvm::Triple::loongarch64: |
| 1693 | AddLoongArchTargetArgs(Args, CmdArgs); |
| 1694 | break; |
| 1695 | |
| 1696 | case llvm::Triple::mips: |
| 1697 | case llvm::Triple::mipsel: |
| 1698 | case llvm::Triple::mips64: |
| 1699 | case llvm::Triple::mips64el: |
| 1700 | AddMIPSTargetArgs(Args, CmdArgs); |
| 1701 | break; |
| 1702 | |
| 1703 | case llvm::Triple::ppc: |
| 1704 | case llvm::Triple::ppcle: |
| 1705 | case llvm::Triple::ppc64: |
| 1706 | case llvm::Triple::ppc64le: |
| 1707 | AddPPCTargetArgs(Args, CmdArgs); |
| 1708 | break; |
| 1709 | |
| 1710 | case llvm::Triple::riscv32: |
| 1711 | case llvm::Triple::riscv64: |
| 1712 | AddRISCVTargetArgs(Args, CmdArgs); |
| 1713 | break; |
| 1714 | |
| 1715 | case llvm::Triple::sparc: |
| 1716 | case llvm::Triple::sparcel: |
| 1717 | case llvm::Triple::sparcv9: |
| 1718 | AddSparcTargetArgs(Args, CmdArgs); |
| 1719 | break; |
| 1720 | |
| 1721 | case llvm::Triple::systemz: |
| 1722 | AddSystemZTargetArgs(Args, CmdArgs); |
| 1723 | break; |
| 1724 | |
| 1725 | case llvm::Triple::x86: |
| 1726 | case llvm::Triple::x86_64: |
| 1727 | AddX86TargetArgs(Args, CmdArgs); |
| 1728 | break; |
| 1729 | |
| 1730 | case llvm::Triple::lanai: |
| 1731 | AddLanaiTargetArgs(Args, CmdArgs); |
| 1732 | break; |
| 1733 | |
| 1734 | case llvm::Triple::hexagon: |
| 1735 | AddHexagonTargetArgs(Args, CmdArgs); |
| 1736 | break; |
| 1737 | |
| 1738 | case llvm::Triple::wasm32: |
| 1739 | case llvm::Triple::wasm64: |
| 1740 | AddWebAssemblyTargetArgs(Args, CmdArgs); |
| 1741 | break; |
| 1742 | |
| 1743 | case llvm::Triple::ve: |
| 1744 | AddVETargetArgs(Args, CmdArgs); |
| 1745 | break; |
| 1746 | } |
| 1747 | } |
| 1748 | |
| 1749 | namespace { |
| 1750 | void RenderAArch64ABI(const llvm::Triple &Triple, const ArgList &Args, |
| 1751 | ArgStringList &CmdArgs) { |
| 1752 | const char *ABIName = nullptr; |
| 1753 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mabi_EQ)) |
| 1754 | ABIName = A->getValue(); |
| 1755 | else if (Triple.isOSDarwin()) |
| 1756 | ABIName = "darwinpcs"; |
| 1757 | else if (Triple.getEnvironment() == llvm::Triple::PAuthTest) |
| 1758 | ABIName = "pauthtest"; |
| 1759 | else |
| 1760 | ABIName = "aapcs"; |
| 1761 | |
| 1762 | CmdArgs.push_back(Elt: "-target-abi"); |
| 1763 | CmdArgs.push_back(Elt: ABIName); |
| 1764 | } |
| 1765 | } |
| 1766 | |
| 1767 | void Clang::AddAArch64TargetArgs(const ArgList &Args, |
| 1768 | ArgStringList &CmdArgs) const { |
| 1769 | const llvm::Triple &Triple = getToolChain().getEffectiveTriple(); |
| 1770 | |
| 1771 | if (!Args.hasFlag(Pos: options::OPT_mred_zone, Neg: options::OPT_mno_red_zone, Default: true) || |
| 1772 | Args.hasArg(Ids: options::OPT_mkernel) || |
| 1773 | Args.hasArg(Ids: options::OPT_fapple_kext)) |
| 1774 | CmdArgs.push_back(Elt: "-disable-red-zone"); |
| 1775 | |
| 1776 | if (!Args.hasFlag(Pos: options::OPT_mimplicit_float, |
| 1777 | Neg: options::OPT_mno_implicit_float, Default: true)) |
| 1778 | CmdArgs.push_back(Elt: "-no-implicit-float"); |
| 1779 | |
| 1780 | RenderAArch64ABI(Triple, Args, CmdArgs); |
| 1781 | |
| 1782 | // Forward the -mglobal-merge option for explicit control over the pass. |
| 1783 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mglobal_merge, |
| 1784 | Ids: options::OPT_mno_global_merge)) { |
| 1785 | CmdArgs.push_back(Elt: "-mllvm"); |
| 1786 | if (A->getOption().matches(ID: options::OPT_mno_global_merge)) |
| 1787 | CmdArgs.push_back(Elt: "-aarch64-enable-global-merge=false"); |
| 1788 | else |
| 1789 | CmdArgs.push_back(Elt: "-aarch64-enable-global-merge=true"); |
| 1790 | } |
| 1791 | |
| 1792 | // Enable/disable return address signing and indirect branch targets. |
| 1793 | CollectARMPACBTIOptions(TC: getToolChain(), Args, CmdArgs, isAArch64: true /*isAArch64*/); |
| 1794 | |
| 1795 | if (Triple.getEnvironment() == llvm::Triple::PAuthTest) |
| 1796 | handlePAuthABI(DriverArgs: Args, CC1Args&: CmdArgs); |
| 1797 | |
| 1798 | // Handle -msve_vector_bits=<bits> |
| 1799 | if (Arg *A = Args.getLastArg(Ids: options::OPT_msve_vector_bits_EQ)) { |
| 1800 | StringRef Val = A->getValue(); |
| 1801 | const Driver &D = getToolChain().getDriver(); |
| 1802 | if (Val == "128"|| Val == "256"|| Val == "512"|| Val == "1024"|| |
| 1803 | Val == "2048"|| Val == "128+"|| Val == "256+"|| Val == "512+"|| |
| 1804 | Val == "1024+"|| Val == "2048+") { |
| 1805 | unsigned Bits = 0; |
| 1806 | if (!Val.consume_back(Suffix: "+")) { |
| 1807 | bool Invalid = Val.getAsInteger(Radix: 10, Result&: Bits); (void)Invalid; |
| 1808 | assert(!Invalid && "Failed to parse value"); |
| 1809 | CmdArgs.push_back( |
| 1810 | Elt: Args.MakeArgString(Str: "-mvscale-max="+ llvm::Twine(Bits / 128))); |
| 1811 | } |
| 1812 | |
| 1813 | bool Invalid = Val.getAsInteger(Radix: 10, Result&: Bits); (void)Invalid; |
| 1814 | assert(!Invalid && "Failed to parse value"); |
| 1815 | CmdArgs.push_back( |
| 1816 | Elt: Args.MakeArgString(Str: "-mvscale-min="+ llvm::Twine(Bits / 128))); |
| 1817 | // Silently drop requests for vector-length agnostic code as it's implied. |
| 1818 | } else if (Val != "scalable") |
| 1819 | // Handle the unsupported values passed to msve-vector-bits. |
| 1820 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 1821 | << A->getSpelling() << Val; |
| 1822 | } |
| 1823 | |
| 1824 | AddAAPCSVolatileBitfieldArgs(Args, CmdArgs); |
| 1825 | |
| 1826 | if (const Arg *A = Args.getLastArg(Ids: clang::driver::options::OPT_mtune_EQ)) { |
| 1827 | CmdArgs.push_back(Elt: "-tune-cpu"); |
| 1828 | if (strcmp(s1: A->getValue(), s2: "native") == 0) |
| 1829 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: llvm::sys::getHostCPUName())); |
| 1830 | else |
| 1831 | CmdArgs.push_back(Elt: A->getValue()); |
| 1832 | } |
| 1833 | |
| 1834 | AddUnalignedAccessWarning(CmdArgs); |
| 1835 | |
| 1836 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fptrauth_intrinsics, |
| 1837 | Neg: options::OPT_fno_ptrauth_intrinsics); |
| 1838 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fptrauth_calls, |
| 1839 | Neg: options::OPT_fno_ptrauth_calls); |
| 1840 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fptrauth_returns, |
| 1841 | Neg: options::OPT_fno_ptrauth_returns); |
| 1842 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fptrauth_auth_traps, |
| 1843 | Neg: options::OPT_fno_ptrauth_auth_traps); |
| 1844 | Args.addOptInFlag( |
| 1845 | Output&: CmdArgs, Pos: options::OPT_fptrauth_vtable_pointer_address_discrimination, |
| 1846 | Neg: options::OPT_fno_ptrauth_vtable_pointer_address_discrimination); |
| 1847 | Args.addOptInFlag( |
| 1848 | Output&: CmdArgs, Pos: options::OPT_fptrauth_vtable_pointer_type_discrimination, |
| 1849 | Neg: options::OPT_fno_ptrauth_vtable_pointer_type_discrimination); |
| 1850 | Args.addOptInFlag( |
| 1851 | Output&: CmdArgs, Pos: options::OPT_fptrauth_type_info_vtable_pointer_discrimination, |
| 1852 | Neg: options::OPT_fno_ptrauth_type_info_vtable_pointer_discrimination); |
| 1853 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fptrauth_init_fini, |
| 1854 | Neg: options::OPT_fno_ptrauth_init_fini); |
| 1855 | Args.addOptInFlag( |
| 1856 | Output&: CmdArgs, Pos: options::OPT_fptrauth_function_pointer_type_discrimination, |
| 1857 | Neg: options::OPT_fno_ptrauth_function_pointer_type_discrimination); |
| 1858 | |
| 1859 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fptrauth_indirect_gotos, |
| 1860 | Neg: options::OPT_fno_ptrauth_indirect_gotos); |
| 1861 | } |
| 1862 | |
| 1863 | void Clang::AddLoongArchTargetArgs(const ArgList &Args, |
| 1864 | ArgStringList &CmdArgs) const { |
| 1865 | const llvm::Triple &Triple = getToolChain().getTriple(); |
| 1866 | |
| 1867 | CmdArgs.push_back(Elt: "-target-abi"); |
| 1868 | CmdArgs.push_back( |
| 1869 | Elt: loongarch::getLoongArchABI(D: getToolChain().getDriver(), Args, Triple) |
| 1870 | .data()); |
| 1871 | |
| 1872 | // Handle -mtune. |
| 1873 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_mtune_EQ)) { |
| 1874 | std::string TuneCPU = A->getValue(); |
| 1875 | TuneCPU = loongarch::postProcessTargetCPUString(CPU: TuneCPU, Triple); |
| 1876 | CmdArgs.push_back(Elt: "-tune-cpu"); |
| 1877 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: TuneCPU)); |
| 1878 | } |
| 1879 | } |
| 1880 | |
| 1881 | void Clang::AddMIPSTargetArgs(const ArgList &Args, |
| 1882 | ArgStringList &CmdArgs) const { |
| 1883 | const Driver &D = getToolChain().getDriver(); |
| 1884 | StringRef CPUName; |
| 1885 | StringRef ABIName; |
| 1886 | const llvm::Triple &Triple = getToolChain().getTriple(); |
| 1887 | mips::getMipsCPUAndABI(Args, Triple, CPUName, ABIName); |
| 1888 | |
| 1889 | CmdArgs.push_back(Elt: "-target-abi"); |
| 1890 | CmdArgs.push_back(Elt: ABIName.data()); |
| 1891 | |
| 1892 | mips::FloatABI ABI = mips::getMipsFloatABI(D, Args, Triple); |
| 1893 | if (ABI == mips::FloatABI::Soft) { |
| 1894 | // Floating point operations and argument passing are soft. |
| 1895 | CmdArgs.push_back(Elt: "-msoft-float"); |
| 1896 | CmdArgs.push_back(Elt: "-mfloat-abi"); |
| 1897 | CmdArgs.push_back(Elt: "soft"); |
| 1898 | } else { |
| 1899 | // Floating point operations and argument passing are hard. |
| 1900 | assert(ABI == mips::FloatABI::Hard && "Invalid float abi!"); |
| 1901 | CmdArgs.push_back(Elt: "-mfloat-abi"); |
| 1902 | CmdArgs.push_back(Elt: "hard"); |
| 1903 | } |
| 1904 | |
| 1905 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mldc1_sdc1, |
| 1906 | Ids: options::OPT_mno_ldc1_sdc1)) { |
| 1907 | if (A->getOption().matches(ID: options::OPT_mno_ldc1_sdc1)) { |
| 1908 | CmdArgs.push_back(Elt: "-mllvm"); |
| 1909 | CmdArgs.push_back(Elt: "-mno-ldc1-sdc1"); |
| 1910 | } |
| 1911 | } |
| 1912 | |
| 1913 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mcheck_zero_division, |
| 1914 | Ids: options::OPT_mno_check_zero_division)) { |
| 1915 | if (A->getOption().matches(ID: options::OPT_mno_check_zero_division)) { |
| 1916 | CmdArgs.push_back(Elt: "-mllvm"); |
| 1917 | CmdArgs.push_back(Elt: "-mno-check-zero-division"); |
| 1918 | } |
| 1919 | } |
| 1920 | |
| 1921 | if (Args.getLastArg(Ids: options::OPT_mfix4300)) { |
| 1922 | CmdArgs.push_back(Elt: "-mllvm"); |
| 1923 | CmdArgs.push_back(Elt: "-mfix4300"); |
| 1924 | } |
| 1925 | |
| 1926 | if (Arg *A = Args.getLastArg(Ids: options::OPT_G)) { |
| 1927 | StringRef v = A->getValue(); |
| 1928 | CmdArgs.push_back(Elt: "-mllvm"); |
| 1929 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-mips-ssection-threshold="+ v)); |
| 1930 | A->claim(); |
| 1931 | } |
| 1932 | |
| 1933 | Arg *GPOpt = Args.getLastArg(Ids: options::OPT_mgpopt, Ids: options::OPT_mno_gpopt); |
| 1934 | Arg *ABICalls = |
| 1935 | Args.getLastArg(Ids: options::OPT_mabicalls, Ids: options::OPT_mno_abicalls); |
| 1936 | |
| 1937 | // -mabicalls is the default for many MIPS environments, even with -fno-pic. |
| 1938 | // -mgpopt is the default for static, -fno-pic environments but these two |
| 1939 | // options conflict. We want to be certain that -mno-abicalls -mgpopt is |
| 1940 | // the only case where -mllvm -mgpopt is passed. |
| 1941 | // NOTE: We need a warning here or in the backend to warn when -mgpopt is |
| 1942 | // passed explicitly when compiling something with -mabicalls |
| 1943 | // (implictly) in affect. Currently the warning is in the backend. |
| 1944 | // |
| 1945 | // When the ABI in use is N64, we also need to determine the PIC mode that |
| 1946 | // is in use, as -fno-pic for N64 implies -mno-abicalls. |
| 1947 | bool NoABICalls = |
| 1948 | ABICalls && ABICalls->getOption().matches(ID: options::OPT_mno_abicalls); |
| 1949 | |
| 1950 | llvm::Reloc::Model RelocationModel; |
| 1951 | unsigned PICLevel; |
| 1952 | bool IsPIE; |
| 1953 | std::tie(args&: RelocationModel, args&: PICLevel, args&: IsPIE) = |
| 1954 | ParsePICArgs(ToolChain: getToolChain(), Args); |
| 1955 | |
| 1956 | NoABICalls = NoABICalls || |
| 1957 | (RelocationModel == llvm::Reloc::Static && ABIName == "n64"); |
| 1958 | |
| 1959 | bool WantGPOpt = GPOpt && GPOpt->getOption().matches(ID: options::OPT_mgpopt); |
| 1960 | // We quietly ignore -mno-gpopt as the backend defaults to -mno-gpopt. |
| 1961 | if (NoABICalls && (!GPOpt || WantGPOpt)) { |
| 1962 | CmdArgs.push_back(Elt: "-mllvm"); |
| 1963 | CmdArgs.push_back(Elt: "-mgpopt"); |
| 1964 | |
| 1965 | Arg *LocalSData = Args.getLastArg(Ids: options::OPT_mlocal_sdata, |
| 1966 | Ids: options::OPT_mno_local_sdata); |
| 1967 | Arg *ExternSData = Args.getLastArg(Ids: options::OPT_mextern_sdata, |
| 1968 | Ids: options::OPT_mno_extern_sdata); |
| 1969 | Arg *EmbeddedData = Args.getLastArg(Ids: options::OPT_membedded_data, |
| 1970 | Ids: options::OPT_mno_embedded_data); |
| 1971 | if (LocalSData) { |
| 1972 | CmdArgs.push_back(Elt: "-mllvm"); |
| 1973 | if (LocalSData->getOption().matches(ID: options::OPT_mlocal_sdata)) { |
| 1974 | CmdArgs.push_back(Elt: "-mlocal-sdata=1"); |
| 1975 | } else { |
| 1976 | CmdArgs.push_back(Elt: "-mlocal-sdata=0"); |
| 1977 | } |
| 1978 | LocalSData->claim(); |
| 1979 | } |
| 1980 | |
| 1981 | if (ExternSData) { |
| 1982 | CmdArgs.push_back(Elt: "-mllvm"); |
| 1983 | if (ExternSData->getOption().matches(ID: options::OPT_mextern_sdata)) { |
| 1984 | CmdArgs.push_back(Elt: "-mextern-sdata=1"); |
| 1985 | } else { |
| 1986 | CmdArgs.push_back(Elt: "-mextern-sdata=0"); |
| 1987 | } |
| 1988 | ExternSData->claim(); |
| 1989 | } |
| 1990 | |
| 1991 | if (EmbeddedData) { |
| 1992 | CmdArgs.push_back(Elt: "-mllvm"); |
| 1993 | if (EmbeddedData->getOption().matches(ID: options::OPT_membedded_data)) { |
| 1994 | CmdArgs.push_back(Elt: "-membedded-data=1"); |
| 1995 | } else { |
| 1996 | CmdArgs.push_back(Elt: "-membedded-data=0"); |
| 1997 | } |
| 1998 | EmbeddedData->claim(); |
| 1999 | } |
| 2000 | |
| 2001 | } else if ((!ABICalls || (!NoABICalls && ABICalls)) && WantGPOpt) |
| 2002 | D.Diag(DiagID: diag::warn_drv_unsupported_gpopt) << (ABICalls ? 0 : 1); |
| 2003 | |
| 2004 | if (GPOpt) |
| 2005 | GPOpt->claim(); |
| 2006 | |
| 2007 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mcompact_branches_EQ)) { |
| 2008 | StringRef Val = StringRef(A->getValue()); |
| 2009 | if (mips::hasCompactBranches(CPU&: CPUName)) { |
| 2010 | if (Val == "never"|| Val == "always"|| Val == "optimal") { |
| 2011 | CmdArgs.push_back(Elt: "-mllvm"); |
| 2012 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-mips-compact-branches="+ Val)); |
| 2013 | } else |
| 2014 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 2015 | << A->getSpelling() << Val; |
| 2016 | } else |
| 2017 | D.Diag(DiagID: diag::warn_target_unsupported_compact_branches) << CPUName; |
| 2018 | } |
| 2019 | |
| 2020 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mrelax_pic_calls, |
| 2021 | Ids: options::OPT_mno_relax_pic_calls)) { |
| 2022 | if (A->getOption().matches(ID: options::OPT_mno_relax_pic_calls)) { |
| 2023 | CmdArgs.push_back(Elt: "-mllvm"); |
| 2024 | CmdArgs.push_back(Elt: "-mips-jalr-reloc=0"); |
| 2025 | } |
| 2026 | } |
| 2027 | } |
| 2028 | |
| 2029 | void Clang::AddPPCTargetArgs(const ArgList &Args, |
| 2030 | ArgStringList &CmdArgs) const { |
| 2031 | const Driver &D = getToolChain().getDriver(); |
| 2032 | const llvm::Triple &T = getToolChain().getTriple(); |
| 2033 | if (Args.getLastArg(Ids: options::OPT_mtune_EQ)) { |
| 2034 | CmdArgs.push_back(Elt: "-tune-cpu"); |
| 2035 | std::string CPU = ppc::getPPCTuneCPU(Args, T); |
| 2036 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: CPU)); |
| 2037 | } |
| 2038 | |
| 2039 | // Select the ABI to use. |
| 2040 | const char *ABIName = nullptr; |
| 2041 | if (T.isOSBinFormatELF()) { |
| 2042 | switch (getToolChain().getArch()) { |
| 2043 | case llvm::Triple::ppc64: { |
| 2044 | if (T.isPPC64ELFv2ABI()) |
| 2045 | ABIName = "elfv2"; |
| 2046 | else |
| 2047 | ABIName = "elfv1"; |
| 2048 | break; |
| 2049 | } |
| 2050 | case llvm::Triple::ppc64le: |
| 2051 | ABIName = "elfv2"; |
| 2052 | break; |
| 2053 | default: |
| 2054 | break; |
| 2055 | } |
| 2056 | } |
| 2057 | |
| 2058 | bool IEEELongDouble = getToolChain().defaultToIEEELongDouble(); |
| 2059 | bool VecExtabi = false; |
| 2060 | for (const Arg *A : Args.filtered(Ids: options::OPT_mabi_EQ)) { |
| 2061 | StringRef V = A->getValue(); |
| 2062 | if (V == "ieeelongdouble") { |
| 2063 | IEEELongDouble = true; |
| 2064 | A->claim(); |
| 2065 | } else if (V == "ibmlongdouble") { |
| 2066 | IEEELongDouble = false; |
| 2067 | A->claim(); |
| 2068 | } else if (V == "vec-default") { |
| 2069 | VecExtabi = false; |
| 2070 | A->claim(); |
| 2071 | } else if (V == "vec-extabi") { |
| 2072 | VecExtabi = true; |
| 2073 | A->claim(); |
| 2074 | } else if (V == "elfv1") { |
| 2075 | ABIName = "elfv1"; |
| 2076 | A->claim(); |
| 2077 | } else if (V == "elfv2") { |
| 2078 | ABIName = "elfv2"; |
| 2079 | A->claim(); |
| 2080 | } else if (V != "altivec") |
| 2081 | // The ppc64 linux abis are all "altivec" abis by default. Accept and ignore |
| 2082 | // the option if given as we don't have backend support for any targets |
| 2083 | // that don't use the altivec abi. |
| 2084 | ABIName = A->getValue(); |
| 2085 | } |
| 2086 | if (IEEELongDouble) |
| 2087 | CmdArgs.push_back(Elt: "-mabi=ieeelongdouble"); |
| 2088 | if (VecExtabi) { |
| 2089 | if (!T.isOSAIX()) |
| 2090 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 2091 | << "-mabi=vec-extabi"<< T.str(); |
| 2092 | CmdArgs.push_back(Elt: "-mabi=vec-extabi"); |
| 2093 | } |
| 2094 | |
| 2095 | ppc::FloatABI FloatABI = ppc::getPPCFloatABI(D, Args); |
| 2096 | if (FloatABI == ppc::FloatABI::Soft) { |
| 2097 | // Floating point operations and argument passing are soft. |
| 2098 | CmdArgs.push_back(Elt: "-msoft-float"); |
| 2099 | CmdArgs.push_back(Elt: "-mfloat-abi"); |
| 2100 | CmdArgs.push_back(Elt: "soft"); |
| 2101 | } else { |
| 2102 | // Floating point operations and argument passing are hard. |
| 2103 | assert(FloatABI == ppc::FloatABI::Hard && "Invalid float abi!"); |
| 2104 | CmdArgs.push_back(Elt: "-mfloat-abi"); |
| 2105 | CmdArgs.push_back(Elt: "hard"); |
| 2106 | } |
| 2107 | |
| 2108 | if (ABIName) { |
| 2109 | CmdArgs.push_back(Elt: "-target-abi"); |
| 2110 | CmdArgs.push_back(Elt: ABIName); |
| 2111 | } |
| 2112 | } |
| 2113 | |
| 2114 | static void SetRISCVSmallDataLimit(const ToolChain &TC, const ArgList &Args, |
| 2115 | ArgStringList &CmdArgs) { |
| 2116 | const Driver &D = TC.getDriver(); |
| 2117 | const llvm::Triple &Triple = TC.getTriple(); |
| 2118 | // Default small data limitation is eight. |
| 2119 | const char *SmallDataLimit = "8"; |
| 2120 | // Get small data limitation. |
| 2121 | if (Args.getLastArg(Ids: options::OPT_shared, Ids: options::OPT_fpic, |
| 2122 | Ids: options::OPT_fPIC)) { |
| 2123 | // Not support linker relaxation for PIC. |
| 2124 | SmallDataLimit = "0"; |
| 2125 | if (Args.hasArg(Ids: options::OPT_G)) { |
| 2126 | D.Diag(DiagID: diag::warn_drv_unsupported_sdata); |
| 2127 | } |
| 2128 | } else if (Args.getLastArgValue(Id: options::OPT_mcmodel_EQ) |
| 2129 | .equals_insensitive(RHS: "large") && |
| 2130 | (Triple.getArch() == llvm::Triple::riscv64)) { |
| 2131 | // Not support linker relaxation for RV64 with large code model. |
| 2132 | SmallDataLimit = "0"; |
| 2133 | if (Args.hasArg(Ids: options::OPT_G)) { |
| 2134 | D.Diag(DiagID: diag::warn_drv_unsupported_sdata); |
| 2135 | } |
| 2136 | } else if (Triple.isAndroid()) { |
| 2137 | // GP relaxation is not supported on Android. |
| 2138 | SmallDataLimit = "0"; |
| 2139 | if (Args.hasArg(Ids: options::OPT_G)) { |
| 2140 | D.Diag(DiagID: diag::warn_drv_unsupported_sdata); |
| 2141 | } |
| 2142 | } else if (Arg *A = Args.getLastArg(Ids: options::OPT_G)) { |
| 2143 | SmallDataLimit = A->getValue(); |
| 2144 | } |
| 2145 | // Forward the -msmall-data-limit= option. |
| 2146 | CmdArgs.push_back(Elt: "-msmall-data-limit"); |
| 2147 | CmdArgs.push_back(Elt: SmallDataLimit); |
| 2148 | } |
| 2149 | |
| 2150 | void Clang::AddRISCVTargetArgs(const ArgList &Args, |
| 2151 | ArgStringList &CmdArgs) const { |
| 2152 | const llvm::Triple &Triple = getToolChain().getTriple(); |
| 2153 | StringRef ABIName = riscv::getRISCVABI(Args, Triple); |
| 2154 | |
| 2155 | CmdArgs.push_back(Elt: "-target-abi"); |
| 2156 | CmdArgs.push_back(Elt: ABIName.data()); |
| 2157 | |
| 2158 | SetRISCVSmallDataLimit(TC: getToolChain(), Args, CmdArgs); |
| 2159 | |
| 2160 | if (!Args.hasFlag(Pos: options::OPT_mimplicit_float, |
| 2161 | Neg: options::OPT_mno_implicit_float, Default: true)) |
| 2162 | CmdArgs.push_back(Elt: "-no-implicit-float"); |
| 2163 | |
| 2164 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_mtune_EQ)) { |
| 2165 | CmdArgs.push_back(Elt: "-tune-cpu"); |
| 2166 | if (strcmp(s1: A->getValue(), s2: "native") == 0) |
| 2167 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: llvm::sys::getHostCPUName())); |
| 2168 | else |
| 2169 | CmdArgs.push_back(Elt: A->getValue()); |
| 2170 | } |
| 2171 | |
| 2172 | // Handle -mrvv-vector-bits=<bits> |
| 2173 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mrvv_vector_bits_EQ)) { |
| 2174 | StringRef Val = A->getValue(); |
| 2175 | const Driver &D = getToolChain().getDriver(); |
| 2176 | |
| 2177 | // Get minimum VLen from march. |
| 2178 | unsigned MinVLen = 0; |
| 2179 | std::string Arch = riscv::getRISCVArch(Args, Triple); |
| 2180 | auto ISAInfo = llvm::RISCVISAInfo::parseArchString( |
| 2181 | Arch, /*EnableExperimentalExtensions*/ EnableExperimentalExtension: true); |
| 2182 | // Ignore parsing error. |
| 2183 | if (!errorToBool(Err: ISAInfo.takeError())) |
| 2184 | MinVLen = (*ISAInfo)->getMinVLen(); |
| 2185 | |
| 2186 | // If the value is "zvl", use MinVLen from march. Otherwise, try to parse |
| 2187 | // as integer as long as we have a MinVLen. |
| 2188 | unsigned Bits = 0; |
| 2189 | if (Val == "zvl"&& MinVLen >= llvm::RISCV::RVVBitsPerBlock) { |
| 2190 | Bits = MinVLen; |
| 2191 | } else if (!Val.getAsInteger(Radix: 10, Result&: Bits)) { |
| 2192 | // Only accept power of 2 values beteen RVVBitsPerBlock and 65536 that |
| 2193 | // at least MinVLen. |
| 2194 | if (Bits < MinVLen || Bits < llvm::RISCV::RVVBitsPerBlock || |
| 2195 | Bits > 65536 || !llvm::isPowerOf2_32(Value: Bits)) |
| 2196 | Bits = 0; |
| 2197 | } |
| 2198 | |
| 2199 | // If we got a valid value try to use it. |
| 2200 | if (Bits != 0) { |
| 2201 | unsigned VScaleMin = Bits / llvm::RISCV::RVVBitsPerBlock; |
| 2202 | CmdArgs.push_back( |
| 2203 | Elt: Args.MakeArgString(Str: "-mvscale-max="+ llvm::Twine(VScaleMin))); |
| 2204 | CmdArgs.push_back( |
| 2205 | Elt: Args.MakeArgString(Str: "-mvscale-min="+ llvm::Twine(VScaleMin))); |
| 2206 | } else if (Val != "scalable") { |
| 2207 | // Handle the unsupported values passed to mrvv-vector-bits. |
| 2208 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 2209 | << A->getSpelling() << Val; |
| 2210 | } |
| 2211 | } |
| 2212 | } |
| 2213 | |
| 2214 | void Clang::AddSparcTargetArgs(const ArgList &Args, |
| 2215 | ArgStringList &CmdArgs) const { |
| 2216 | sparc::FloatABI FloatABI = |
| 2217 | sparc::getSparcFloatABI(D: getToolChain().getDriver(), Args); |
| 2218 | |
| 2219 | if (FloatABI == sparc::FloatABI::Soft) { |
| 2220 | // Floating point operations and argument passing are soft. |
| 2221 | CmdArgs.push_back(Elt: "-msoft-float"); |
| 2222 | CmdArgs.push_back(Elt: "-mfloat-abi"); |
| 2223 | CmdArgs.push_back(Elt: "soft"); |
| 2224 | } else { |
| 2225 | // Floating point operations and argument passing are hard. |
| 2226 | assert(FloatABI == sparc::FloatABI::Hard && "Invalid float abi!"); |
| 2227 | CmdArgs.push_back(Elt: "-mfloat-abi"); |
| 2228 | CmdArgs.push_back(Elt: "hard"); |
| 2229 | } |
| 2230 | |
| 2231 | if (const Arg *A = Args.getLastArg(Ids: clang::driver::options::OPT_mtune_EQ)) { |
| 2232 | StringRef Name = A->getValue(); |
| 2233 | std::string TuneCPU; |
| 2234 | if (Name == "native") |
| 2235 | TuneCPU = std::string(llvm::sys::getHostCPUName()); |
| 2236 | else |
| 2237 | TuneCPU = std::string(Name); |
| 2238 | |
| 2239 | CmdArgs.push_back(Elt: "-tune-cpu"); |
| 2240 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: TuneCPU)); |
| 2241 | } |
| 2242 | } |
| 2243 | |
| 2244 | void Clang::AddSystemZTargetArgs(const ArgList &Args, |
| 2245 | ArgStringList &CmdArgs) const { |
| 2246 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_mtune_EQ)) { |
| 2247 | CmdArgs.push_back(Elt: "-tune-cpu"); |
| 2248 | if (strcmp(s1: A->getValue(), s2: "native") == 0) |
| 2249 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: llvm::sys::getHostCPUName())); |
| 2250 | else |
| 2251 | CmdArgs.push_back(Elt: A->getValue()); |
| 2252 | } |
| 2253 | |
| 2254 | bool HasBackchain = |
| 2255 | Args.hasFlag(Pos: options::OPT_mbackchain, Neg: options::OPT_mno_backchain, Default: false); |
| 2256 | bool HasPackedStack = Args.hasFlag(Pos: options::OPT_mpacked_stack, |
| 2257 | Neg: options::OPT_mno_packed_stack, Default: false); |
| 2258 | systemz::FloatABI FloatABI = |
| 2259 | systemz::getSystemZFloatABI(D: getToolChain().getDriver(), Args); |
| 2260 | bool HasSoftFloat = (FloatABI == systemz::FloatABI::Soft); |
| 2261 | if (HasBackchain && HasPackedStack && !HasSoftFloat) { |
| 2262 | const Driver &D = getToolChain().getDriver(); |
| 2263 | D.Diag(DiagID: diag::err_drv_unsupported_opt) |
| 2264 | << "-mpacked-stack -mbackchain -mhard-float"; |
| 2265 | } |
| 2266 | if (HasBackchain) |
| 2267 | CmdArgs.push_back(Elt: "-mbackchain"); |
| 2268 | if (HasPackedStack) |
| 2269 | CmdArgs.push_back(Elt: "-mpacked-stack"); |
| 2270 | if (HasSoftFloat) { |
| 2271 | // Floating point operations and argument passing are soft. |
| 2272 | CmdArgs.push_back(Elt: "-msoft-float"); |
| 2273 | CmdArgs.push_back(Elt: "-mfloat-abi"); |
| 2274 | CmdArgs.push_back(Elt: "soft"); |
| 2275 | } |
| 2276 | } |
| 2277 | |
| 2278 | void Clang::AddX86TargetArgs(const ArgList &Args, |
| 2279 | ArgStringList &CmdArgs) const { |
| 2280 | const Driver &D = getToolChain().getDriver(); |
| 2281 | addX86AlignBranchArgs(D, Args, CmdArgs, /*IsLTO=*/false); |
| 2282 | |
| 2283 | if (!Args.hasFlag(Pos: options::OPT_mred_zone, Neg: options::OPT_mno_red_zone, Default: true) || |
| 2284 | Args.hasArg(Ids: options::OPT_mkernel) || |
| 2285 | Args.hasArg(Ids: options::OPT_fapple_kext)) |
| 2286 | CmdArgs.push_back(Elt: "-disable-red-zone"); |
| 2287 | |
| 2288 | if (!Args.hasFlag(Pos: options::OPT_mtls_direct_seg_refs, |
| 2289 | Neg: options::OPT_mno_tls_direct_seg_refs, Default: true)) |
| 2290 | CmdArgs.push_back(Elt: "-mno-tls-direct-seg-refs"); |
| 2291 | |
| 2292 | // Default to avoid implicit floating-point for kernel/kext code, but allow |
| 2293 | // that to be overridden with -mno-soft-float. |
| 2294 | bool NoImplicitFloat = (Args.hasArg(Ids: options::OPT_mkernel) || |
| 2295 | Args.hasArg(Ids: options::OPT_fapple_kext)); |
| 2296 | if (Arg *A = Args.getLastArg( |
| 2297 | Ids: options::OPT_msoft_float, Ids: options::OPT_mno_soft_float, |
| 2298 | Ids: options::OPT_mimplicit_float, Ids: options::OPT_mno_implicit_float)) { |
| 2299 | const Option &O = A->getOption(); |
| 2300 | NoImplicitFloat = (O.matches(ID: options::OPT_mno_implicit_float) || |
| 2301 | O.matches(ID: options::OPT_msoft_float)); |
| 2302 | } |
| 2303 | if (NoImplicitFloat) |
| 2304 | CmdArgs.push_back(Elt: "-no-implicit-float"); |
| 2305 | |
| 2306 | if (Arg *A = Args.getLastArg(Ids: options::OPT_masm_EQ)) { |
| 2307 | StringRef Value = A->getValue(); |
| 2308 | if (Value == "intel"|| Value == "att") { |
| 2309 | CmdArgs.push_back(Elt: "-mllvm"); |
| 2310 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-x86-asm-syntax="+ Value)); |
| 2311 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-inline-asm="+ Value)); |
| 2312 | } else { |
| 2313 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 2314 | << A->getSpelling() << Value; |
| 2315 | } |
| 2316 | } else if (D.IsCLMode()) { |
| 2317 | CmdArgs.push_back(Elt: "-mllvm"); |
| 2318 | CmdArgs.push_back(Elt: "-x86-asm-syntax=intel"); |
| 2319 | } |
| 2320 | |
| 2321 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mskip_rax_setup, |
| 2322 | Ids: options::OPT_mno_skip_rax_setup)) |
| 2323 | if (A->getOption().matches(ID: options::OPT_mskip_rax_setup)) |
| 2324 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-mskip-rax-setup")); |
| 2325 | |
| 2326 | // Set flags to support MCU ABI. |
| 2327 | if (Args.hasFlag(Pos: options::OPT_miamcu, Neg: options::OPT_mno_iamcu, Default: false)) { |
| 2328 | CmdArgs.push_back(Elt: "-mfloat-abi"); |
| 2329 | CmdArgs.push_back(Elt: "soft"); |
| 2330 | CmdArgs.push_back(Elt: "-mstack-alignment=4"); |
| 2331 | } |
| 2332 | |
| 2333 | // Handle -mtune. |
| 2334 | |
| 2335 | // Default to "generic" unless -march is present or targetting the PS4/PS5. |
| 2336 | std::string TuneCPU; |
| 2337 | if (!Args.hasArg(Ids: clang::driver::options::OPT_march_EQ) && |
| 2338 | !getToolChain().getTriple().isPS()) |
| 2339 | TuneCPU = "generic"; |
| 2340 | |
| 2341 | // Override based on -mtune. |
| 2342 | if (const Arg *A = Args.getLastArg(Ids: clang::driver::options::OPT_mtune_EQ)) { |
| 2343 | StringRef Name = A->getValue(); |
| 2344 | |
| 2345 | if (Name == "native") { |
| 2346 | Name = llvm::sys::getHostCPUName(); |
| 2347 | if (!Name.empty()) |
| 2348 | TuneCPU = std::string(Name); |
| 2349 | } else |
| 2350 | TuneCPU = std::string(Name); |
| 2351 | } |
| 2352 | |
| 2353 | if (!TuneCPU.empty()) { |
| 2354 | CmdArgs.push_back(Elt: "-tune-cpu"); |
| 2355 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: TuneCPU)); |
| 2356 | } |
| 2357 | } |
| 2358 | |
| 2359 | void Clang::AddHexagonTargetArgs(const ArgList &Args, |
| 2360 | ArgStringList &CmdArgs) const { |
| 2361 | CmdArgs.push_back(Elt: "-mqdsp6-compat"); |
| 2362 | CmdArgs.push_back(Elt: "-Wreturn-type"); |
| 2363 | |
| 2364 | if (auto G = toolchains::HexagonToolChain::getSmallDataThreshold(Args)) { |
| 2365 | CmdArgs.push_back(Elt: "-mllvm"); |
| 2366 | CmdArgs.push_back( |
| 2367 | Elt: Args.MakeArgString(Str: "-hexagon-small-data-threshold="+ Twine(*G))); |
| 2368 | } |
| 2369 | |
| 2370 | if (!Args.hasArg(Ids: options::OPT_fno_short_enums)) |
| 2371 | CmdArgs.push_back(Elt: "-fshort-enums"); |
| 2372 | if (Args.getLastArg(Ids: options::OPT_mieee_rnd_near)) { |
| 2373 | CmdArgs.push_back(Elt: "-mllvm"); |
| 2374 | CmdArgs.push_back(Elt: "-enable-hexagon-ieee-rnd-near"); |
| 2375 | } |
| 2376 | CmdArgs.push_back(Elt: "-mllvm"); |
| 2377 | CmdArgs.push_back(Elt: "-machine-sink-split=0"); |
| 2378 | } |
| 2379 | |
| 2380 | void Clang::AddLanaiTargetArgs(const ArgList &Args, |
| 2381 | ArgStringList &CmdArgs) const { |
| 2382 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mcpu_EQ)) { |
| 2383 | StringRef CPUName = A->getValue(); |
| 2384 | |
| 2385 | CmdArgs.push_back(Elt: "-target-cpu"); |
| 2386 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: CPUName)); |
| 2387 | } |
| 2388 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mregparm_EQ)) { |
| 2389 | StringRef Value = A->getValue(); |
| 2390 | // Only support mregparm=4 to support old usage. Report error for all other |
| 2391 | // cases. |
| 2392 | int Mregparm; |
| 2393 | if (Value.getAsInteger(Radix: 10, Result&: Mregparm)) { |
| 2394 | if (Mregparm != 4) { |
| 2395 | getToolChain().getDriver().Diag( |
| 2396 | DiagID: diag::err_drv_unsupported_option_argument) |
| 2397 | << A->getSpelling() << Value; |
| 2398 | } |
| 2399 | } |
| 2400 | } |
| 2401 | } |
| 2402 | |
| 2403 | void Clang::AddWebAssemblyTargetArgs(const ArgList &Args, |
| 2404 | ArgStringList &CmdArgs) const { |
| 2405 | // Default to "hidden" visibility. |
| 2406 | if (!Args.hasArg(Ids: options::OPT_fvisibility_EQ, |
| 2407 | Ids: options::OPT_fvisibility_ms_compat)) |
| 2408 | CmdArgs.push_back(Elt: "-fvisibility=hidden"); |
| 2409 | } |
| 2410 | |
| 2411 | void Clang::AddVETargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const { |
| 2412 | // Floating point operations and argument passing are hard. |
| 2413 | CmdArgs.push_back(Elt: "-mfloat-abi"); |
| 2414 | CmdArgs.push_back(Elt: "hard"); |
| 2415 | } |
| 2416 | |
| 2417 | void Clang::DumpCompilationDatabase(Compilation &C, StringRef Filename, |
| 2418 | StringRef Target, const InputInfo &Output, |
| 2419 | const InputInfo &Input, const ArgList &Args) const { |
| 2420 | // If this is a dry run, do not create the compilation database file. |
| 2421 | if (C.getArgs().hasArg(Ids: options::OPT__HASH_HASH_HASH)) |
| 2422 | return; |
| 2423 | |
| 2424 | using llvm::yaml::escape; |
| 2425 | const Driver &D = getToolChain().getDriver(); |
| 2426 | |
| 2427 | if (!CompilationDatabase) { |
| 2428 | std::error_code EC; |
| 2429 | auto File = std::make_unique<llvm::raw_fd_ostream>( |
| 2430 | args&: Filename, args&: EC, |
| 2431 | args: llvm::sys::fs::OF_TextWithCRLF | llvm::sys::fs::OF_Append); |
| 2432 | if (EC) { |
| 2433 | D.Diag(DiagID: clang::diag::err_drv_compilationdatabase) << Filename |
| 2434 | << EC.message(); |
| 2435 | return; |
| 2436 | } |
| 2437 | CompilationDatabase = std::move(File); |
| 2438 | } |
| 2439 | auto &CDB = *CompilationDatabase; |
| 2440 | auto CWD = D.getVFS().getCurrentWorkingDirectory(); |
| 2441 | if (!CWD) |
| 2442 | CWD = "."; |
| 2443 | CDB << "{ \"directory\": \""<< escape(Input: *CWD) << "\""; |
| 2444 | CDB << ", \"file\": \""<< escape(Input: Input.getFilename()) << "\""; |
| 2445 | if (Output.isFilename()) |
| 2446 | CDB << ", \"output\": \""<< escape(Input: Output.getFilename()) << "\""; |
| 2447 | CDB << ", \"arguments\": [\""<< escape(Input: D.ClangExecutable) << "\""; |
| 2448 | SmallString<128> Buf; |
| 2449 | Buf = "-x"; |
| 2450 | Buf += types::getTypeName(Id: Input.getType()); |
| 2451 | CDB << ", \""<< escape(Input: Buf) << "\""; |
| 2452 | if (!D.SysRoot.empty() && !Args.hasArg(Ids: options::OPT__sysroot_EQ)) { |
| 2453 | Buf = "--sysroot="; |
| 2454 | Buf += D.SysRoot; |
| 2455 | CDB << ", \""<< escape(Input: Buf) << "\""; |
| 2456 | } |
| 2457 | CDB << ", \""<< escape(Input: Input.getFilename()) << "\""; |
| 2458 | if (Output.isFilename()) |
| 2459 | CDB << ", \"-o\", \""<< escape(Input: Output.getFilename()) << "\""; |
| 2460 | for (auto &A: Args) { |
| 2461 | auto &O = A->getOption(); |
| 2462 | // Skip language selection, which is positional. |
| 2463 | if (O.getID() == options::OPT_x) |
| 2464 | continue; |
| 2465 | // Skip writing dependency output and the compilation database itself. |
| 2466 | if (O.getGroup().isValid() && O.getGroup().getID() == options::OPT_M_Group) |
| 2467 | continue; |
| 2468 | if (O.getID() == options::OPT_gen_cdb_fragment_path) |
| 2469 | continue; |
| 2470 | // Skip inputs. |
| 2471 | if (O.getKind() == Option::InputClass) |
| 2472 | continue; |
| 2473 | // Skip output. |
| 2474 | if (O.getID() == options::OPT_o) |
| 2475 | continue; |
| 2476 | // All other arguments are quoted and appended. |
| 2477 | ArgStringList ASL; |
| 2478 | A->render(Args, Output&: ASL); |
| 2479 | for (auto &it: ASL) |
| 2480 | CDB << ", \""<< escape(Input: it) << "\""; |
| 2481 | } |
| 2482 | Buf = "--target="; |
| 2483 | Buf += Target; |
| 2484 | CDB << ", \""<< escape(Input: Buf) << "\"]},\n"; |
| 2485 | } |
| 2486 | |
| 2487 | void Clang::DumpCompilationDatabaseFragmentToDir( |
| 2488 | StringRef Dir, Compilation &C, StringRef Target, const InputInfo &Output, |
| 2489 | const InputInfo &Input, const llvm::opt::ArgList &Args) const { |
| 2490 | // If this is a dry run, do not create the compilation database file. |
| 2491 | if (C.getArgs().hasArg(Ids: options::OPT__HASH_HASH_HASH)) |
| 2492 | return; |
| 2493 | |
| 2494 | if (CompilationDatabase) |
| 2495 | DumpCompilationDatabase(C, Filename: "", Target, Output, Input, Args); |
| 2496 | |
| 2497 | SmallString<256> Path = Dir; |
| 2498 | const auto &Driver = C.getDriver(); |
| 2499 | Driver.getVFS().makeAbsolute(Path); |
| 2500 | auto Err = llvm::sys::fs::create_directory(path: Path, /*IgnoreExisting=*/true); |
| 2501 | if (Err) { |
| 2502 | Driver.Diag(DiagID: diag::err_drv_compilationdatabase) << Dir << Err.message(); |
| 2503 | return; |
| 2504 | } |
| 2505 | |
| 2506 | llvm::sys::path::append( |
| 2507 | path&: Path, |
| 2508 | a: Twine(llvm::sys::path::filename(path: Input.getFilename())) + ".%%%%.json"); |
| 2509 | int FD; |
| 2510 | SmallString<256> TempPath; |
| 2511 | Err = llvm::sys::fs::createUniqueFile(Model: Path, ResultFD&: FD, ResultPath&: TempPath, |
| 2512 | Flags: llvm::sys::fs::OF_Text); |
| 2513 | if (Err) { |
| 2514 | Driver.Diag(DiagID: diag::err_drv_compilationdatabase) << Path << Err.message(); |
| 2515 | return; |
| 2516 | } |
| 2517 | CompilationDatabase = |
| 2518 | std::make_unique<llvm::raw_fd_ostream>(args&: FD, /*shouldClose=*/args: true); |
| 2519 | DumpCompilationDatabase(C, Filename: "", Target, Output, Input, Args); |
| 2520 | } |
| 2521 | |
| 2522 | static bool CheckARMImplicitITArg(StringRef Value) { |
| 2523 | return Value == "always"|| Value == "never"|| Value == "arm"|| |
| 2524 | Value == "thumb"; |
| 2525 | } |
| 2526 | |
| 2527 | static void AddARMImplicitITArgs(const ArgList &Args, ArgStringList &CmdArgs, |
| 2528 | StringRef Value) { |
| 2529 | CmdArgs.push_back(Elt: "-mllvm"); |
| 2530 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-arm-implicit-it="+ Value)); |
| 2531 | } |
| 2532 | |
| 2533 | static void CollectArgsForIntegratedAssembler(Compilation &C, |
| 2534 | const ArgList &Args, |
| 2535 | ArgStringList &CmdArgs, |
| 2536 | const Driver &D) { |
| 2537 | // Default to -mno-relax-all. |
| 2538 | // |
| 2539 | // Note: RISC-V requires an indirect jump for offsets larger than 1MiB. This |
| 2540 | // cannot be done by assembler branch relaxation as it needs a free temporary |
| 2541 | // register. Because of this, branch relaxation is handled by a MachineIR pass |
| 2542 | // before the assembler. Forcing assembler branch relaxation for -O0 makes the |
| 2543 | // MachineIR branch relaxation inaccurate and it will miss cases where an |
| 2544 | // indirect branch is necessary. |
| 2545 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_mrelax_all, |
| 2546 | Neg: options::OPT_mno_relax_all); |
| 2547 | |
| 2548 | // Only default to -mincremental-linker-compatible if we think we are |
| 2549 | // targeting the MSVC linker. |
| 2550 | bool DefaultIncrementalLinkerCompatible = |
| 2551 | C.getDefaultToolChain().getTriple().isWindowsMSVCEnvironment(); |
| 2552 | if (Args.hasFlag(Pos: options::OPT_mincremental_linker_compatible, |
| 2553 | Neg: options::OPT_mno_incremental_linker_compatible, |
| 2554 | Default: DefaultIncrementalLinkerCompatible)) |
| 2555 | CmdArgs.push_back(Elt: "-mincremental-linker-compatible"); |
| 2556 | |
| 2557 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_femit_dwarf_unwind_EQ); |
| 2558 | |
| 2559 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_femit_compact_unwind_non_canonical, |
| 2560 | Neg: options::OPT_fno_emit_compact_unwind_non_canonical); |
| 2561 | |
| 2562 | // If you add more args here, also add them to the block below that |
| 2563 | // starts with "// If CollectArgsForIntegratedAssembler() isn't called below". |
| 2564 | |
| 2565 | // When passing -I arguments to the assembler we sometimes need to |
| 2566 | // unconditionally take the next argument. For example, when parsing |
| 2567 | // '-Wa,-I -Wa,foo' we need to accept the -Wa,foo arg after seeing the |
| 2568 | // -Wa,-I arg and when parsing '-Wa,-I,foo' we need to accept the 'foo' |
| 2569 | // arg after parsing the '-I' arg. |
| 2570 | bool TakeNextArg = false; |
| 2571 | |
| 2572 | const llvm::Triple &Triple = C.getDefaultToolChain().getTriple(); |
| 2573 | bool Crel = false, ExperimentalCrel = false; |
| 2574 | bool UseRelaxRelocations = C.getDefaultToolChain().useRelaxRelocations(); |
| 2575 | bool UseNoExecStack = false; |
| 2576 | const char *MipsTargetFeature = nullptr; |
| 2577 | StringRef ImplicitIt; |
| 2578 | for (const Arg *A : |
| 2579 | Args.filtered(Ids: options::OPT_Wa_COMMA, Ids: options::OPT_Xassembler, |
| 2580 | Ids: options::OPT_mimplicit_it_EQ)) { |
| 2581 | A->claim(); |
| 2582 | |
| 2583 | if (A->getOption().getID() == options::OPT_mimplicit_it_EQ) { |
| 2584 | switch (C.getDefaultToolChain().getArch()) { |
| 2585 | case llvm::Triple::arm: |
| 2586 | case llvm::Triple::armeb: |
| 2587 | case llvm::Triple::thumb: |
| 2588 | case llvm::Triple::thumbeb: |
| 2589 | // Only store the value; the last value set takes effect. |
| 2590 | ImplicitIt = A->getValue(); |
| 2591 | if (!CheckARMImplicitITArg(Value: ImplicitIt)) |
| 2592 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 2593 | << A->getSpelling() << ImplicitIt; |
| 2594 | continue; |
| 2595 | default: |
| 2596 | break; |
| 2597 | } |
| 2598 | } |
| 2599 | |
| 2600 | for (StringRef Value : A->getValues()) { |
| 2601 | if (TakeNextArg) { |
| 2602 | CmdArgs.push_back(Elt: Value.data()); |
| 2603 | TakeNextArg = false; |
| 2604 | continue; |
| 2605 | } |
| 2606 | |
| 2607 | if (C.getDefaultToolChain().getTriple().isOSBinFormatCOFF() && |
| 2608 | Value == "-mbig-obj") |
| 2609 | continue; // LLVM handles bigobj automatically |
| 2610 | |
| 2611 | switch (C.getDefaultToolChain().getArch()) { |
| 2612 | default: |
| 2613 | break; |
| 2614 | case llvm::Triple::x86: |
| 2615 | case llvm::Triple::x86_64: |
| 2616 | if (Value == "-msse2avx") { |
| 2617 | CmdArgs.push_back(Elt: "-msse2avx"); |
| 2618 | continue; |
| 2619 | } |
| 2620 | break; |
| 2621 | case llvm::Triple::wasm32: |
| 2622 | case llvm::Triple::wasm64: |
| 2623 | if (Value == "--no-type-check") { |
| 2624 | CmdArgs.push_back(Elt: "-mno-type-check"); |
| 2625 | continue; |
| 2626 | } |
| 2627 | break; |
| 2628 | case llvm::Triple::thumb: |
| 2629 | case llvm::Triple::thumbeb: |
| 2630 | case llvm::Triple::arm: |
| 2631 | case llvm::Triple::armeb: |
| 2632 | if (Value.starts_with(Prefix: "-mimplicit-it=")) { |
| 2633 | // Only store the value; the last value set takes effect. |
| 2634 | ImplicitIt = Value.split(Separator: "=").second; |
| 2635 | if (CheckARMImplicitITArg(Value: ImplicitIt)) |
| 2636 | continue; |
| 2637 | } |
| 2638 | if (Value == "-mthumb") |
| 2639 | // -mthumb has already been processed in ComputeLLVMTriple() |
| 2640 | // recognize but skip over here. |
| 2641 | continue; |
| 2642 | break; |
| 2643 | case llvm::Triple::mips: |
| 2644 | case llvm::Triple::mipsel: |
| 2645 | case llvm::Triple::mips64: |
| 2646 | case llvm::Triple::mips64el: |
| 2647 | if (Value == "--trap") { |
| 2648 | CmdArgs.push_back(Elt: "-target-feature"); |
| 2649 | CmdArgs.push_back(Elt: "+use-tcc-in-div"); |
| 2650 | continue; |
| 2651 | } |
| 2652 | if (Value == "--break") { |
| 2653 | CmdArgs.push_back(Elt: "-target-feature"); |
| 2654 | CmdArgs.push_back(Elt: "-use-tcc-in-div"); |
| 2655 | continue; |
| 2656 | } |
| 2657 | if (Value.starts_with(Prefix: "-msoft-float")) { |
| 2658 | CmdArgs.push_back(Elt: "-target-feature"); |
| 2659 | CmdArgs.push_back(Elt: "+soft-float"); |
| 2660 | continue; |
| 2661 | } |
| 2662 | if (Value.starts_with(Prefix: "-mhard-float")) { |
| 2663 | CmdArgs.push_back(Elt: "-target-feature"); |
| 2664 | CmdArgs.push_back(Elt: "-soft-float"); |
| 2665 | continue; |
| 2666 | } |
| 2667 | |
| 2668 | MipsTargetFeature = llvm::StringSwitch<const char *>(Value) |
| 2669 | .Case(S: "-mips1", Value: "+mips1") |
| 2670 | .Case(S: "-mips2", Value: "+mips2") |
| 2671 | .Case(S: "-mips3", Value: "+mips3") |
| 2672 | .Case(S: "-mips4", Value: "+mips4") |
| 2673 | .Case(S: "-mips5", Value: "+mips5") |
| 2674 | .Case(S: "-mips32", Value: "+mips32") |
| 2675 | .Case(S: "-mips32r2", Value: "+mips32r2") |
| 2676 | .Case(S: "-mips32r3", Value: "+mips32r3") |
| 2677 | .Case(S: "-mips32r5", Value: "+mips32r5") |
| 2678 | .Case(S: "-mips32r6", Value: "+mips32r6") |
| 2679 | .Case(S: "-mips64", Value: "+mips64") |
| 2680 | .Case(S: "-mips64r2", Value: "+mips64r2") |
| 2681 | .Case(S: "-mips64r3", Value: "+mips64r3") |
| 2682 | .Case(S: "-mips64r5", Value: "+mips64r5") |
| 2683 | .Case(S: "-mips64r6", Value: "+mips64r6") |
| 2684 | .Default(Value: nullptr); |
| 2685 | if (MipsTargetFeature) |
| 2686 | continue; |
| 2687 | } |
| 2688 | |
| 2689 | if (Value == "-force_cpusubtype_ALL") { |
| 2690 | // Do nothing, this is the default and we don't support anything else. |
| 2691 | } else if (Value == "-L") { |
| 2692 | CmdArgs.push_back(Elt: "-msave-temp-labels"); |
| 2693 | } else if (Value == "--fatal-warnings") { |
| 2694 | CmdArgs.push_back(Elt: "-massembler-fatal-warnings"); |
| 2695 | } else if (Value == "--no-warn"|| Value == "-W") { |
| 2696 | CmdArgs.push_back(Elt: "-massembler-no-warn"); |
| 2697 | } else if (Value == "--noexecstack") { |
| 2698 | UseNoExecStack = true; |
| 2699 | } else if (Value.starts_with(Prefix: "-compress-debug-sections") || |
| 2700 | Value.starts_with(Prefix: "--compress-debug-sections") || |
| 2701 | Value == "-nocompress-debug-sections"|| |
| 2702 | Value == "--nocompress-debug-sections") { |
| 2703 | CmdArgs.push_back(Elt: Value.data()); |
| 2704 | } else if (Value == "--crel") { |
| 2705 | Crel = true; |
| 2706 | } else if (Value == "--no-crel") { |
| 2707 | Crel = false; |
| 2708 | } else if (Value == "--allow-experimental-crel") { |
| 2709 | ExperimentalCrel = true; |
| 2710 | } else if (Value == "-mrelax-relocations=yes"|| |
| 2711 | Value == "--mrelax-relocations=yes") { |
| 2712 | UseRelaxRelocations = true; |
| 2713 | } else if (Value == "-mrelax-relocations=no"|| |
| 2714 | Value == "--mrelax-relocations=no") { |
| 2715 | UseRelaxRelocations = false; |
| 2716 | } else if (Value.starts_with(Prefix: "-I")) { |
| 2717 | CmdArgs.push_back(Elt: Value.data()); |
| 2718 | // We need to consume the next argument if the current arg is a plain |
| 2719 | // -I. The next arg will be the include directory. |
| 2720 | if (Value == "-I") |
| 2721 | TakeNextArg = true; |
| 2722 | } else if (Value.starts_with(Prefix: "-gdwarf-")) { |
| 2723 | // "-gdwarf-N" options are not cc1as options. |
| 2724 | unsigned DwarfVersion = DwarfVersionNum(ArgValue: Value); |
| 2725 | if (DwarfVersion == 0) { // Send it onward, and let cc1as complain. |
| 2726 | CmdArgs.push_back(Elt: Value.data()); |
| 2727 | } else { |
| 2728 | RenderDebugEnablingArgs(Args, CmdArgs, |
| 2729 | DebugInfoKind: llvm::codegenoptions::DebugInfoConstructor, |
| 2730 | DwarfVersion, DebuggerTuning: llvm::DebuggerKind::Default); |
| 2731 | } |
| 2732 | } else if (Value.starts_with(Prefix: "-mcpu") || Value.starts_with(Prefix: "-mfpu") || |
| 2733 | Value.starts_with(Prefix: "-mhwdiv") || Value.starts_with(Prefix: "-march")) { |
| 2734 | // Do nothing, we'll validate it later. |
| 2735 | } else if (Value == "-defsym"|| Value == "--defsym") { |
| 2736 | if (A->getNumValues() != 2) { |
| 2737 | D.Diag(DiagID: diag::err_drv_defsym_invalid_format) << Value; |
| 2738 | break; |
| 2739 | } |
| 2740 | const char *S = A->getValue(N: 1); |
| 2741 | auto Pair = StringRef(S).split(Separator: '='); |
| 2742 | auto Sym = Pair.first; |
| 2743 | auto SVal = Pair.second; |
| 2744 | |
| 2745 | if (Sym.empty() || SVal.empty()) { |
| 2746 | D.Diag(DiagID: diag::err_drv_defsym_invalid_format) << S; |
| 2747 | break; |
| 2748 | } |
| 2749 | int64_t IVal; |
| 2750 | if (SVal.getAsInteger(Radix: 0, Result&: IVal)) { |
| 2751 | D.Diag(DiagID: diag::err_drv_defsym_invalid_symval) << SVal; |
| 2752 | break; |
| 2753 | } |
| 2754 | CmdArgs.push_back(Elt: "--defsym"); |
| 2755 | TakeNextArg = true; |
| 2756 | } else if (Value == "-fdebug-compilation-dir") { |
| 2757 | CmdArgs.push_back(Elt: "-fdebug-compilation-dir"); |
| 2758 | TakeNextArg = true; |
| 2759 | } else if (Value.consume_front(Prefix: "-fdebug-compilation-dir=")) { |
| 2760 | // The flag is a -Wa / -Xassembler argument and Options doesn't |
| 2761 | // parse the argument, so this isn't automatically aliased to |
| 2762 | // -fdebug-compilation-dir (without '=') here. |
| 2763 | CmdArgs.push_back(Elt: "-fdebug-compilation-dir"); |
| 2764 | CmdArgs.push_back(Elt: Value.data()); |
| 2765 | } else if (Value == "--version") { |
| 2766 | D.PrintVersion(C, OS&: llvm::outs()); |
| 2767 | } else { |
| 2768 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 2769 | << A->getSpelling() << Value; |
| 2770 | } |
| 2771 | } |
| 2772 | } |
| 2773 | if (ImplicitIt.size()) |
| 2774 | AddARMImplicitITArgs(Args, CmdArgs, Value: ImplicitIt); |
| 2775 | if (Crel) { |
| 2776 | if (!ExperimentalCrel) |
| 2777 | D.Diag(DiagID: diag::err_drv_experimental_crel); |
| 2778 | if (Triple.isOSBinFormatELF() && !Triple.isMIPS()) { |
| 2779 | CmdArgs.push_back(Elt: "--crel"); |
| 2780 | } else { |
| 2781 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 2782 | << "-Wa,--crel"<< D.getTargetTriple(); |
| 2783 | } |
| 2784 | } |
| 2785 | if (!UseRelaxRelocations) |
| 2786 | CmdArgs.push_back(Elt: "-mrelax-relocations=no"); |
| 2787 | if (UseNoExecStack) |
| 2788 | CmdArgs.push_back(Elt: "-mnoexecstack"); |
| 2789 | if (MipsTargetFeature != nullptr) { |
| 2790 | CmdArgs.push_back(Elt: "-target-feature"); |
| 2791 | CmdArgs.push_back(Elt: MipsTargetFeature); |
| 2792 | } |
| 2793 | |
| 2794 | // forward -fembed-bitcode to assmebler |
| 2795 | if (C.getDriver().embedBitcodeEnabled() || |
| 2796 | C.getDriver().embedBitcodeMarkerOnly()) |
| 2797 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fembed_bitcode_EQ); |
| 2798 | |
| 2799 | if (const char *AsSecureLogFile = getenv(name: "AS_SECURE_LOG_FILE")) { |
| 2800 | CmdArgs.push_back(Elt: "-as-secure-log-file"); |
| 2801 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: AsSecureLogFile)); |
| 2802 | } |
| 2803 | } |
| 2804 | |
| 2805 | static std::string ComplexRangeKindToStr(LangOptions::ComplexRangeKind Range) { |
| 2806 | switch (Range) { |
| 2807 | case LangOptions::ComplexRangeKind::CX_Full: |
| 2808 | return "full"; |
| 2809 | break; |
| 2810 | case LangOptions::ComplexRangeKind::CX_Basic: |
| 2811 | return "basic"; |
| 2812 | break; |
| 2813 | case LangOptions::ComplexRangeKind::CX_Improved: |
| 2814 | return "improved"; |
| 2815 | break; |
| 2816 | case LangOptions::ComplexRangeKind::CX_Promoted: |
| 2817 | return "promoted"; |
| 2818 | break; |
| 2819 | default: |
| 2820 | return ""; |
| 2821 | } |
| 2822 | } |
| 2823 | |
| 2824 | static std::string ComplexArithmeticStr(LangOptions::ComplexRangeKind Range) { |
| 2825 | return (Range == LangOptions::ComplexRangeKind::CX_None) |
| 2826 | ? "" |
| 2827 | : "-fcomplex-arithmetic="+ ComplexRangeKindToStr(Range); |
| 2828 | } |
| 2829 | |
| 2830 | static void EmitComplexRangeDiag(const Driver &D, std::string str1, |
| 2831 | std::string str2) { |
| 2832 | if ((str1.compare(str: str2) != 0) && !str2.empty() && !str1.empty()) { |
| 2833 | D.Diag(DiagID: clang::diag::warn_drv_overriding_option) << str1 << str2; |
| 2834 | } |
| 2835 | } |
| 2836 | |
| 2837 | static std::string |
| 2838 | RenderComplexRangeOption(LangOptions::ComplexRangeKind Range) { |
| 2839 | std::string ComplexRangeStr = ComplexRangeKindToStr(Range); |
| 2840 | if (!ComplexRangeStr.empty()) |
| 2841 | return "-complex-range="+ ComplexRangeStr; |
| 2842 | return ComplexRangeStr; |
| 2843 | } |
| 2844 | |
| 2845 | static void RenderFloatingPointOptions(const ToolChain &TC, const Driver &D, |
| 2846 | bool OFastEnabled, const ArgList &Args, |
| 2847 | ArgStringList &CmdArgs, |
| 2848 | const JobAction &JA) { |
| 2849 | // Handle various floating point optimization flags, mapping them to the |
| 2850 | // appropriate LLVM code generation flags. This is complicated by several |
| 2851 | // "umbrella" flags, so we do this by stepping through the flags incrementally |
| 2852 | // adjusting what we think is enabled/disabled, then at the end setting the |
| 2853 | // LLVM flags based on the final state. |
| 2854 | bool HonorINFs = true; |
| 2855 | bool HonorNaNs = true; |
| 2856 | bool ApproxFunc = false; |
| 2857 | // -fmath-errno is the default on some platforms, e.g. BSD-derived OSes. |
| 2858 | bool MathErrno = TC.IsMathErrnoDefault(); |
| 2859 | bool AssociativeMath = false; |
| 2860 | bool ReciprocalMath = false; |
| 2861 | bool SignedZeros = true; |
| 2862 | bool TrappingMath = false; // Implemented via -ffp-exception-behavior |
| 2863 | bool TrappingMathPresent = false; // Is trapping-math in args, and not |
| 2864 | // overriden by ffp-exception-behavior? |
| 2865 | bool RoundingFPMath = false; |
| 2866 | // -ffp-model values: strict, fast, precise |
| 2867 | StringRef FPModel = ""; |
| 2868 | // -ffp-exception-behavior options: strict, maytrap, ignore |
| 2869 | StringRef FPExceptionBehavior = ""; |
| 2870 | // -ffp-eval-method options: double, extended, source |
| 2871 | StringRef FPEvalMethod = ""; |
| 2872 | llvm::DenormalMode DenormalFPMath = |
| 2873 | TC.getDefaultDenormalModeForType(DriverArgs: Args, JA); |
| 2874 | llvm::DenormalMode DenormalFP32Math = |
| 2875 | TC.getDefaultDenormalModeForType(DriverArgs: Args, JA, FPType: &llvm::APFloat::IEEEsingle()); |
| 2876 | |
| 2877 | // CUDA and HIP don't rely on the frontend to pass an ffp-contract option. |
| 2878 | // If one wasn't given by the user, don't pass it here. |
| 2879 | StringRef FPContract; |
| 2880 | StringRef LastSeenFfpContractOption; |
| 2881 | bool SeenUnsafeMathModeOption = false; |
| 2882 | if (!JA.isDeviceOffloading(OKind: Action::OFK_Cuda) && |
| 2883 | !JA.isOffloading(OKind: Action::OFK_HIP)) |
| 2884 | FPContract = "on"; |
| 2885 | bool StrictFPModel = false; |
| 2886 | StringRef Float16ExcessPrecision = ""; |
| 2887 | StringRef BFloat16ExcessPrecision = ""; |
| 2888 | LangOptions::ComplexRangeKind Range = LangOptions::ComplexRangeKind::CX_None; |
| 2889 | std::string ComplexRangeStr = ""; |
| 2890 | std::string GccRangeComplexOption = ""; |
| 2891 | |
| 2892 | // Lambda to set fast-math options. This is also used by -ffp-model=fast |
| 2893 | auto applyFastMath = [&]() { |
| 2894 | HonorINFs = false; |
| 2895 | HonorNaNs = false; |
| 2896 | MathErrno = false; |
| 2897 | AssociativeMath = true; |
| 2898 | ReciprocalMath = true; |
| 2899 | ApproxFunc = true; |
| 2900 | SignedZeros = false; |
| 2901 | TrappingMath = false; |
| 2902 | RoundingFPMath = false; |
| 2903 | FPExceptionBehavior = ""; |
| 2904 | // If fast-math is set then set the fp-contract mode to fast. |
| 2905 | FPContract = "fast"; |
| 2906 | // ffast-math enables basic range rules for complex multiplication and |
| 2907 | // division. |
| 2908 | // Warn if user expects to perform full implementation of complex |
| 2909 | // multiplication or division in the presence of nan or ninf flags. |
| 2910 | if (Range == LangOptions::ComplexRangeKind::CX_Full || |
| 2911 | Range == LangOptions::ComplexRangeKind::CX_Improved || |
| 2912 | Range == LangOptions::ComplexRangeKind::CX_Promoted) |
| 2913 | EmitComplexRangeDiag( |
| 2914 | D, str1: ComplexArithmeticStr(Range), |
| 2915 | str2: !GccRangeComplexOption.empty() |
| 2916 | ? GccRangeComplexOption |
| 2917 | : ComplexArithmeticStr(Range: LangOptions::ComplexRangeKind::CX_Basic)); |
| 2918 | Range = LangOptions::ComplexRangeKind::CX_Basic; |
| 2919 | SeenUnsafeMathModeOption = true; |
| 2920 | }; |
| 2921 | |
| 2922 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_flimited_precision_EQ)) { |
| 2923 | CmdArgs.push_back(Elt: "-mlimit-float-precision"); |
| 2924 | CmdArgs.push_back(Elt: A->getValue()); |
| 2925 | } |
| 2926 | |
| 2927 | for (const Arg *A : Args) { |
| 2928 | switch (A->getOption().getID()) { |
| 2929 | // If this isn't an FP option skip the claim below |
| 2930 | default: continue; |
| 2931 | |
| 2932 | case options::OPT_fcx_limited_range: |
| 2933 | if (GccRangeComplexOption.empty()) { |
| 2934 | if (Range != LangOptions::ComplexRangeKind::CX_Basic) |
| 2935 | EmitComplexRangeDiag(D, str1: RenderComplexRangeOption(Range), |
| 2936 | str2: "-fcx-limited-range"); |
| 2937 | } else { |
| 2938 | if (GccRangeComplexOption != "-fno-cx-limited-range") |
| 2939 | EmitComplexRangeDiag(D, str1: GccRangeComplexOption, str2: "-fcx-limited-range"); |
| 2940 | } |
| 2941 | GccRangeComplexOption = "-fcx-limited-range"; |
| 2942 | Range = LangOptions::ComplexRangeKind::CX_Basic; |
| 2943 | break; |
| 2944 | case options::OPT_fno_cx_limited_range: |
| 2945 | if (GccRangeComplexOption.empty()) { |
| 2946 | EmitComplexRangeDiag(D, str1: RenderComplexRangeOption(Range), |
| 2947 | str2: "-fno-cx-limited-range"); |
| 2948 | } else { |
| 2949 | if (GccRangeComplexOption.compare(s: "-fcx-limited-range") != 0 && |
| 2950 | GccRangeComplexOption.compare(s: "-fno-cx-fortran-rules") != 0) |
| 2951 | EmitComplexRangeDiag(D, str1: GccRangeComplexOption, |
| 2952 | str2: "-fno-cx-limited-range"); |
| 2953 | } |
| 2954 | GccRangeComplexOption = "-fno-cx-limited-range"; |
| 2955 | Range = LangOptions::ComplexRangeKind::CX_Full; |
| 2956 | break; |
| 2957 | case options::OPT_fcx_fortran_rules: |
| 2958 | if (GccRangeComplexOption.empty()) |
| 2959 | EmitComplexRangeDiag(D, str1: RenderComplexRangeOption(Range), |
| 2960 | str2: "-fcx-fortran-rules"); |
| 2961 | else |
| 2962 | EmitComplexRangeDiag(D, str1: GccRangeComplexOption, str2: "-fcx-fortran-rules"); |
| 2963 | GccRangeComplexOption = "-fcx-fortran-rules"; |
| 2964 | Range = LangOptions::ComplexRangeKind::CX_Improved; |
| 2965 | break; |
| 2966 | case options::OPT_fno_cx_fortran_rules: |
| 2967 | if (GccRangeComplexOption.empty()) { |
| 2968 | EmitComplexRangeDiag(D, str1: RenderComplexRangeOption(Range), |
| 2969 | str2: "-fno-cx-fortran-rules"); |
| 2970 | } else { |
| 2971 | if (GccRangeComplexOption != "-fno-cx-limited-range") |
| 2972 | EmitComplexRangeDiag(D, str1: GccRangeComplexOption, |
| 2973 | str2: "-fno-cx-fortran-rules"); |
| 2974 | } |
| 2975 | GccRangeComplexOption = "-fno-cx-fortran-rules"; |
| 2976 | Range = LangOptions::ComplexRangeKind::CX_Full; |
| 2977 | break; |
| 2978 | case options::OPT_fcomplex_arithmetic_EQ: { |
| 2979 | LangOptions::ComplexRangeKind RangeVal; |
| 2980 | StringRef Val = A->getValue(); |
| 2981 | if (Val == "full") |
| 2982 | RangeVal = LangOptions::ComplexRangeKind::CX_Full; |
| 2983 | else if (Val == "improved") |
| 2984 | RangeVal = LangOptions::ComplexRangeKind::CX_Improved; |
| 2985 | else if (Val == "promoted") |
| 2986 | RangeVal = LangOptions::ComplexRangeKind::CX_Promoted; |
| 2987 | else if (Val == "basic") |
| 2988 | RangeVal = LangOptions::ComplexRangeKind::CX_Basic; |
| 2989 | else { |
| 2990 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 2991 | << A->getSpelling() << Val; |
| 2992 | break; |
| 2993 | } |
| 2994 | if (!GccRangeComplexOption.empty()) { |
| 2995 | if (GccRangeComplexOption.compare(s: "-fcx-limited-range") != 0) { |
| 2996 | if (GccRangeComplexOption.compare(s: "-fcx-fortran-rules") != 0) { |
| 2997 | if (RangeVal != LangOptions::ComplexRangeKind::CX_Improved) |
| 2998 | EmitComplexRangeDiag(D, str1: GccRangeComplexOption, |
| 2999 | str2: ComplexArithmeticStr(Range: RangeVal)); |
| 3000 | } else { |
| 3001 | EmitComplexRangeDiag(D, str1: GccRangeComplexOption, |
| 3002 | str2: ComplexArithmeticStr(Range: RangeVal)); |
| 3003 | } |
| 3004 | } else { |
| 3005 | if (RangeVal != LangOptions::ComplexRangeKind::CX_Basic) |
| 3006 | EmitComplexRangeDiag(D, str1: GccRangeComplexOption, |
| 3007 | str2: ComplexArithmeticStr(Range: RangeVal)); |
| 3008 | } |
| 3009 | } |
| 3010 | Range = RangeVal; |
| 3011 | break; |
| 3012 | } |
| 3013 | case options::OPT_ffp_model_EQ: { |
| 3014 | // If -ffp-model= is seen, reset to fno-fast-math |
| 3015 | HonorINFs = true; |
| 3016 | HonorNaNs = true; |
| 3017 | ApproxFunc = false; |
| 3018 | // Turning *off* -ffast-math restores the toolchain default. |
| 3019 | MathErrno = TC.IsMathErrnoDefault(); |
| 3020 | AssociativeMath = false; |
| 3021 | ReciprocalMath = false; |
| 3022 | SignedZeros = true; |
| 3023 | FPContract = "on"; |
| 3024 | |
| 3025 | StringRef Val = A->getValue(); |
| 3026 | if (OFastEnabled && Val != "fast") { |
| 3027 | // Only -ffp-model=fast is compatible with OFast, ignore. |
| 3028 | D.Diag(DiagID: clang::diag::warn_drv_overriding_option) |
| 3029 | << Args.MakeArgString(Str: "-ffp-model="+ Val) << "-Ofast"; |
| 3030 | break; |
| 3031 | } |
| 3032 | StrictFPModel = false; |
| 3033 | if (!FPModel.empty() && FPModel != Val) |
| 3034 | D.Diag(DiagID: clang::diag::warn_drv_overriding_option) |
| 3035 | << Args.MakeArgString(Str: "-ffp-model="+ FPModel) |
| 3036 | << Args.MakeArgString(Str: "-ffp-model="+ Val); |
| 3037 | if (Val == "fast") { |
| 3038 | FPModel = Val; |
| 3039 | applyFastMath(); |
| 3040 | } else if (Val == "precise") { |
| 3041 | FPModel = Val; |
| 3042 | FPContract = "on"; |
| 3043 | } else if (Val == "strict") { |
| 3044 | StrictFPModel = true; |
| 3045 | FPExceptionBehavior = "strict"; |
| 3046 | FPModel = Val; |
| 3047 | FPContract = "off"; |
| 3048 | TrappingMath = true; |
| 3049 | RoundingFPMath = true; |
| 3050 | } else |
| 3051 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 3052 | << A->getSpelling() << Val; |
| 3053 | break; |
| 3054 | } |
| 3055 | |
| 3056 | // Options controlling individual features |
| 3057 | case options::OPT_fhonor_infinities: HonorINFs = true; break; |
| 3058 | case options::OPT_fno_honor_infinities: HonorINFs = false; break; |
| 3059 | case options::OPT_fhonor_nans: HonorNaNs = true; break; |
| 3060 | case options::OPT_fno_honor_nans: HonorNaNs = false; break; |
| 3061 | case options::OPT_fapprox_func: ApproxFunc = true; break; |
| 3062 | case options::OPT_fno_approx_func: ApproxFunc = false; break; |
| 3063 | case options::OPT_fmath_errno: MathErrno = true; break; |
| 3064 | case options::OPT_fno_math_errno: MathErrno = false; break; |
| 3065 | case options::OPT_fassociative_math: AssociativeMath = true; break; |
| 3066 | case options::OPT_fno_associative_math: AssociativeMath = false; break; |
| 3067 | case options::OPT_freciprocal_math: ReciprocalMath = true; break; |
| 3068 | case options::OPT_fno_reciprocal_math: ReciprocalMath = false; break; |
| 3069 | case options::OPT_fsigned_zeros: SignedZeros = true; break; |
| 3070 | case options::OPT_fno_signed_zeros: SignedZeros = false; break; |
| 3071 | case options::OPT_ftrapping_math: |
| 3072 | if (!TrappingMathPresent && !FPExceptionBehavior.empty() && |
| 3073 | FPExceptionBehavior != "strict") |
| 3074 | // Warn that previous value of option is overridden. |
| 3075 | D.Diag(DiagID: clang::diag::warn_drv_overriding_option) |
| 3076 | << Args.MakeArgString(Str: "-ffp-exception-behavior="+ |
| 3077 | FPExceptionBehavior) |
| 3078 | << "-ftrapping-math"; |
| 3079 | TrappingMath = true; |
| 3080 | TrappingMathPresent = true; |
| 3081 | FPExceptionBehavior = "strict"; |
| 3082 | break; |
| 3083 | case options::OPT_fno_trapping_math: |
| 3084 | if (!TrappingMathPresent && !FPExceptionBehavior.empty() && |
| 3085 | FPExceptionBehavior != "ignore") |
| 3086 | // Warn that previous value of option is overridden. |
| 3087 | D.Diag(DiagID: clang::diag::warn_drv_overriding_option) |
| 3088 | << Args.MakeArgString(Str: "-ffp-exception-behavior="+ |
| 3089 | FPExceptionBehavior) |
| 3090 | << "-fno-trapping-math"; |
| 3091 | TrappingMath = false; |
| 3092 | TrappingMathPresent = true; |
| 3093 | FPExceptionBehavior = "ignore"; |
| 3094 | break; |
| 3095 | |
| 3096 | case options::OPT_frounding_math: |
| 3097 | RoundingFPMath = true; |
| 3098 | break; |
| 3099 | |
| 3100 | case options::OPT_fno_rounding_math: |
| 3101 | RoundingFPMath = false; |
| 3102 | break; |
| 3103 | |
| 3104 | case options::OPT_fdenormal_fp_math_EQ: |
| 3105 | DenormalFPMath = llvm::parseDenormalFPAttribute(Str: A->getValue()); |
| 3106 | DenormalFP32Math = DenormalFPMath; |
| 3107 | if (!DenormalFPMath.isValid()) { |
| 3108 | D.Diag(DiagID: diag::err_drv_invalid_value) |
| 3109 | << A->getAsString(Args) << A->getValue(); |
| 3110 | } |
| 3111 | break; |
| 3112 | |
| 3113 | case options::OPT_fdenormal_fp_math_f32_EQ: |
| 3114 | DenormalFP32Math = llvm::parseDenormalFPAttribute(Str: A->getValue()); |
| 3115 | if (!DenormalFP32Math.isValid()) { |
| 3116 | D.Diag(DiagID: diag::err_drv_invalid_value) |
| 3117 | << A->getAsString(Args) << A->getValue(); |
| 3118 | } |
| 3119 | break; |
| 3120 | |
| 3121 | // Validate and pass through -ffp-contract option. |
| 3122 | case options::OPT_ffp_contract: { |
| 3123 | StringRef Val = A->getValue(); |
| 3124 | if (Val == "fast"|| Val == "on"|| Val == "off"|| |
| 3125 | Val == "fast-honor-pragmas") { |
| 3126 | FPContract = Val; |
| 3127 | LastSeenFfpContractOption = Val; |
| 3128 | } else |
| 3129 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 3130 | << A->getSpelling() << Val; |
| 3131 | break; |
| 3132 | } |
| 3133 | |
| 3134 | // Validate and pass through -ffp-exception-behavior option. |
| 3135 | case options::OPT_ffp_exception_behavior_EQ: { |
| 3136 | StringRef Val = A->getValue(); |
| 3137 | if (!TrappingMathPresent && !FPExceptionBehavior.empty() && |
| 3138 | FPExceptionBehavior != Val) |
| 3139 | // Warn that previous value of option is overridden. |
| 3140 | D.Diag(DiagID: clang::diag::warn_drv_overriding_option) |
| 3141 | << Args.MakeArgString(Str: "-ffp-exception-behavior="+ |
| 3142 | FPExceptionBehavior) |
| 3143 | << Args.MakeArgString(Str: "-ffp-exception-behavior="+ Val); |
| 3144 | TrappingMath = TrappingMathPresent = false; |
| 3145 | if (Val == "ignore"|| Val == "maytrap") |
| 3146 | FPExceptionBehavior = Val; |
| 3147 | else if (Val == "strict") { |
| 3148 | FPExceptionBehavior = Val; |
| 3149 | TrappingMath = TrappingMathPresent = true; |
| 3150 | } else |
| 3151 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 3152 | << A->getSpelling() << Val; |
| 3153 | break; |
| 3154 | } |
| 3155 | |
| 3156 | // Validate and pass through -ffp-eval-method option. |
| 3157 | case options::OPT_ffp_eval_method_EQ: { |
| 3158 | StringRef Val = A->getValue(); |
| 3159 | if (Val == "double"|| Val == "extended"|| Val == "source") |
| 3160 | FPEvalMethod = Val; |
| 3161 | else |
| 3162 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 3163 | << A->getSpelling() << Val; |
| 3164 | break; |
| 3165 | } |
| 3166 | |
| 3167 | case options::OPT_fexcess_precision_EQ: { |
| 3168 | StringRef Val = A->getValue(); |
| 3169 | const llvm::Triple::ArchType Arch = TC.getArch(); |
| 3170 | if (Arch == llvm::Triple::x86 || Arch == llvm::Triple::x86_64) { |
| 3171 | if (Val == "standard"|| Val == "fast") |
| 3172 | Float16ExcessPrecision = Val; |
| 3173 | // To make it GCC compatible, allow the value of "16" which |
| 3174 | // means disable excess precision, the same meaning than clang's |
| 3175 | // equivalent value "none". |
| 3176 | else if (Val == "16") |
| 3177 | Float16ExcessPrecision = "none"; |
| 3178 | else |
| 3179 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 3180 | << A->getSpelling() << Val; |
| 3181 | } else { |
| 3182 | if (!(Val == "standard"|| Val == "fast")) |
| 3183 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 3184 | << A->getSpelling() << Val; |
| 3185 | } |
| 3186 | BFloat16ExcessPrecision = Float16ExcessPrecision; |
| 3187 | break; |
| 3188 | } |
| 3189 | case options::OPT_ffinite_math_only: |
| 3190 | HonorINFs = false; |
| 3191 | HonorNaNs = false; |
| 3192 | break; |
| 3193 | case options::OPT_fno_finite_math_only: |
| 3194 | HonorINFs = true; |
| 3195 | HonorNaNs = true; |
| 3196 | break; |
| 3197 | |
| 3198 | case options::OPT_funsafe_math_optimizations: |
| 3199 | AssociativeMath = true; |
| 3200 | ReciprocalMath = true; |
| 3201 | SignedZeros = false; |
| 3202 | ApproxFunc = true; |
| 3203 | TrappingMath = false; |
| 3204 | FPExceptionBehavior = ""; |
| 3205 | FPContract = "fast"; |
| 3206 | SeenUnsafeMathModeOption = true; |
| 3207 | break; |
| 3208 | case options::OPT_fno_unsafe_math_optimizations: |
| 3209 | AssociativeMath = false; |
| 3210 | ReciprocalMath = false; |
| 3211 | SignedZeros = true; |
| 3212 | ApproxFunc = false; |
| 3213 | |
| 3214 | if (!JA.isDeviceOffloading(OKind: Action::OFK_Cuda) && |
| 3215 | !JA.isOffloading(OKind: Action::OFK_HIP)) { |
| 3216 | if (LastSeenFfpContractOption != "") { |
| 3217 | FPContract = LastSeenFfpContractOption; |
| 3218 | } else if (SeenUnsafeMathModeOption) |
| 3219 | FPContract = "on"; |
| 3220 | } |
| 3221 | break; |
| 3222 | |
| 3223 | case options::OPT_Ofast: |
| 3224 | // If -Ofast is the optimization level, then -ffast-math should be enabled |
| 3225 | if (!OFastEnabled) |
| 3226 | continue; |
| 3227 | [[fallthrough]]; |
| 3228 | case options::OPT_ffast_math: { |
| 3229 | applyFastMath(); |
| 3230 | break; |
| 3231 | } |
| 3232 | case options::OPT_fno_fast_math: |
| 3233 | HonorINFs = true; |
| 3234 | HonorNaNs = true; |
| 3235 | // Turning on -ffast-math (with either flag) removes the need for |
| 3236 | // MathErrno. However, turning *off* -ffast-math merely restores the |
| 3237 | // toolchain default (which may be false). |
| 3238 | MathErrno = TC.IsMathErrnoDefault(); |
| 3239 | AssociativeMath = false; |
| 3240 | ReciprocalMath = false; |
| 3241 | ApproxFunc = false; |
| 3242 | SignedZeros = true; |
| 3243 | // -fno_fast_math restores default fpcontract handling |
| 3244 | if (!JA.isDeviceOffloading(OKind: Action::OFK_Cuda) && |
| 3245 | !JA.isOffloading(OKind: Action::OFK_HIP)) { |
| 3246 | if (LastSeenFfpContractOption != "") { |
| 3247 | FPContract = LastSeenFfpContractOption; |
| 3248 | } else if (SeenUnsafeMathModeOption) |
| 3249 | FPContract = "on"; |
| 3250 | } |
| 3251 | break; |
| 3252 | } |
| 3253 | // The StrictFPModel local variable is needed to report warnings |
| 3254 | // in the way we intend. If -ffp-model=strict has been used, we |
| 3255 | // want to report a warning for the next option encountered that |
| 3256 | // takes us out of the settings described by fp-model=strict, but |
| 3257 | // we don't want to continue issuing warnings for other conflicting |
| 3258 | // options after that. |
| 3259 | if (StrictFPModel) { |
| 3260 | // If -ffp-model=strict has been specified on command line but |
| 3261 | // subsequent options conflict then emit warning diagnostic. |
| 3262 | if (HonorINFs && HonorNaNs && !AssociativeMath && !ReciprocalMath && |
| 3263 | SignedZeros && TrappingMath && RoundingFPMath && !ApproxFunc && |
| 3264 | FPContract == "off") |
| 3265 | // OK: Current Arg doesn't conflict with -ffp-model=strict |
| 3266 | ; |
| 3267 | else { |
| 3268 | StrictFPModel = false; |
| 3269 | FPModel = ""; |
| 3270 | auto RHS = (A->getNumValues() == 0) |
| 3271 | ? A->getSpelling() |
| 3272 | : Args.MakeArgString(Str: A->getSpelling() + A->getValue()); |
| 3273 | if (RHS != "-ffp-model=strict") |
| 3274 | D.Diag(DiagID: clang::diag::warn_drv_overriding_option) |
| 3275 | << "-ffp-model=strict"<< RHS; |
| 3276 | } |
| 3277 | } |
| 3278 | |
| 3279 | // If we handled this option claim it |
| 3280 | A->claim(); |
| 3281 | } |
| 3282 | |
| 3283 | if (!HonorINFs) |
| 3284 | CmdArgs.push_back(Elt: "-menable-no-infs"); |
| 3285 | |
| 3286 | if (!HonorNaNs) |
| 3287 | CmdArgs.push_back(Elt: "-menable-no-nans"); |
| 3288 | |
| 3289 | if (ApproxFunc) |
| 3290 | CmdArgs.push_back(Elt: "-fapprox-func"); |
| 3291 | |
| 3292 | if (MathErrno) |
| 3293 | CmdArgs.push_back(Elt: "-fmath-errno"); |
| 3294 | |
| 3295 | if (AssociativeMath && ReciprocalMath && !SignedZeros && ApproxFunc && |
| 3296 | !TrappingMath) |
| 3297 | CmdArgs.push_back(Elt: "-funsafe-math-optimizations"); |
| 3298 | |
| 3299 | if (!SignedZeros) |
| 3300 | CmdArgs.push_back(Elt: "-fno-signed-zeros"); |
| 3301 | |
| 3302 | if (AssociativeMath && !SignedZeros && !TrappingMath) |
| 3303 | CmdArgs.push_back(Elt: "-mreassociate"); |
| 3304 | |
| 3305 | if (ReciprocalMath) |
| 3306 | CmdArgs.push_back(Elt: "-freciprocal-math"); |
| 3307 | |
| 3308 | if (TrappingMath) { |
| 3309 | // FP Exception Behavior is also set to strict |
| 3310 | assert(FPExceptionBehavior == "strict"); |
| 3311 | } |
| 3312 | |
| 3313 | // The default is IEEE. |
| 3314 | if (DenormalFPMath != llvm::DenormalMode::getIEEE()) { |
| 3315 | llvm::SmallString<64> DenormFlag; |
| 3316 | llvm::raw_svector_ostream ArgStr(DenormFlag); |
| 3317 | ArgStr << "-fdenormal-fp-math="<< DenormalFPMath; |
| 3318 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: ArgStr.str())); |
| 3319 | } |
| 3320 | |
| 3321 | // Add f32 specific denormal mode flag if it's different. |
| 3322 | if (DenormalFP32Math != DenormalFPMath) { |
| 3323 | llvm::SmallString<64> DenormFlag; |
| 3324 | llvm::raw_svector_ostream ArgStr(DenormFlag); |
| 3325 | ArgStr << "-fdenormal-fp-math-f32="<< DenormalFP32Math; |
| 3326 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: ArgStr.str())); |
| 3327 | } |
| 3328 | |
| 3329 | if (!FPContract.empty()) |
| 3330 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-ffp-contract="+ FPContract)); |
| 3331 | |
| 3332 | if (RoundingFPMath) |
| 3333 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-frounding-math")); |
| 3334 | else |
| 3335 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-fno-rounding-math")); |
| 3336 | |
| 3337 | if (!FPExceptionBehavior.empty()) |
| 3338 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-ffp-exception-behavior="+ |
| 3339 | FPExceptionBehavior)); |
| 3340 | |
| 3341 | if (!FPEvalMethod.empty()) |
| 3342 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-ffp-eval-method="+ FPEvalMethod)); |
| 3343 | |
| 3344 | if (!Float16ExcessPrecision.empty()) |
| 3345 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-ffloat16-excess-precision="+ |
| 3346 | Float16ExcessPrecision)); |
| 3347 | if (!BFloat16ExcessPrecision.empty()) |
| 3348 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-fbfloat16-excess-precision="+ |
| 3349 | BFloat16ExcessPrecision)); |
| 3350 | |
| 3351 | ParseMRecip(D, Args, OutStrings&: CmdArgs); |
| 3352 | |
| 3353 | // -ffast-math enables the __FAST_MATH__ preprocessor macro, but check for the |
| 3354 | // individual features enabled by -ffast-math instead of the option itself as |
| 3355 | // that's consistent with gcc's behaviour. |
| 3356 | if (!HonorINFs && !HonorNaNs && !MathErrno && AssociativeMath && ApproxFunc && |
| 3357 | ReciprocalMath && !SignedZeros && !TrappingMath && !RoundingFPMath) { |
| 3358 | CmdArgs.push_back(Elt: "-ffast-math"); |
| 3359 | if (FPModel == "fast") { |
| 3360 | if (FPContract == "fast") |
| 3361 | // All set, do nothing. |
| 3362 | ; |
| 3363 | else if (FPContract.empty()) |
| 3364 | // Enable -ffp-contract=fast |
| 3365 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-ffp-contract=fast")); |
| 3366 | else |
| 3367 | D.Diag(DiagID: clang::diag::warn_drv_overriding_option) |
| 3368 | << "-ffp-model=fast" |
| 3369 | << Args.MakeArgString(Str: "-ffp-contract="+ FPContract); |
| 3370 | } |
| 3371 | } |
| 3372 | |
| 3373 | // Handle __FINITE_MATH_ONLY__ similarly. |
| 3374 | if (!HonorINFs && !HonorNaNs) |
| 3375 | CmdArgs.push_back(Elt: "-ffinite-math-only"); |
| 3376 | |
| 3377 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_mfpmath_EQ)) { |
| 3378 | CmdArgs.push_back(Elt: "-mfpmath"); |
| 3379 | CmdArgs.push_back(Elt: A->getValue()); |
| 3380 | } |
| 3381 | |
| 3382 | // Disable a codegen optimization for floating-point casts. |
| 3383 | if (Args.hasFlag(Pos: options::OPT_fno_strict_float_cast_overflow, |
| 3384 | Neg: options::OPT_fstrict_float_cast_overflow, Default: false)) |
| 3385 | CmdArgs.push_back(Elt: "-fno-strict-float-cast-overflow"); |
| 3386 | |
| 3387 | if (Range != LangOptions::ComplexRangeKind::CX_None) |
| 3388 | ComplexRangeStr = RenderComplexRangeOption(Range); |
| 3389 | if (!ComplexRangeStr.empty()) { |
| 3390 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: ComplexRangeStr)); |
| 3391 | if (Args.hasArg(Ids: options::OPT_fcomplex_arithmetic_EQ)) |
| 3392 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-fcomplex-arithmetic="+ |
| 3393 | ComplexRangeKindToStr(Range))); |
| 3394 | } |
| 3395 | if (Args.hasArg(Ids: options::OPT_fcx_limited_range)) |
| 3396 | CmdArgs.push_back(Elt: "-fcx-limited-range"); |
| 3397 | if (Args.hasArg(Ids: options::OPT_fcx_fortran_rules)) |
| 3398 | CmdArgs.push_back(Elt: "-fcx-fortran-rules"); |
| 3399 | if (Args.hasArg(Ids: options::OPT_fno_cx_limited_range)) |
| 3400 | CmdArgs.push_back(Elt: "-fno-cx-limited-range"); |
| 3401 | if (Args.hasArg(Ids: options::OPT_fno_cx_fortran_rules)) |
| 3402 | CmdArgs.push_back(Elt: "-fno-cx-fortran-rules"); |
| 3403 | } |
| 3404 | |
| 3405 | static void RenderAnalyzerOptions(const ArgList &Args, ArgStringList &CmdArgs, |
| 3406 | const llvm::Triple &Triple, |
| 3407 | const InputInfo &Input) { |
| 3408 | // Add default argument set. |
| 3409 | if (!Args.hasArg(Ids: options::OPT__analyzer_no_default_checks)) { |
| 3410 | CmdArgs.push_back(Elt: "-analyzer-checker=core"); |
| 3411 | CmdArgs.push_back(Elt: "-analyzer-checker=apiModeling"); |
| 3412 | |
| 3413 | if (!Triple.isWindowsMSVCEnvironment()) { |
| 3414 | CmdArgs.push_back(Elt: "-analyzer-checker=unix"); |
| 3415 | } else { |
| 3416 | // Enable "unix" checkers that also work on Windows. |
| 3417 | CmdArgs.push_back(Elt: "-analyzer-checker=unix.API"); |
| 3418 | CmdArgs.push_back(Elt: "-analyzer-checker=unix.Malloc"); |
| 3419 | CmdArgs.push_back(Elt: "-analyzer-checker=unix.MallocSizeof"); |
| 3420 | CmdArgs.push_back(Elt: "-analyzer-checker=unix.MismatchedDeallocator"); |
| 3421 | CmdArgs.push_back(Elt: "-analyzer-checker=unix.cstring.BadSizeArg"); |
| 3422 | CmdArgs.push_back(Elt: "-analyzer-checker=unix.cstring.NullArg"); |
| 3423 | } |
| 3424 | |
| 3425 | // Disable some unix checkers for PS4/PS5. |
| 3426 | if (Triple.isPS()) { |
| 3427 | CmdArgs.push_back(Elt: "-analyzer-disable-checker=unix.API"); |
| 3428 | CmdArgs.push_back(Elt: "-analyzer-disable-checker=unix.Vfork"); |
| 3429 | } |
| 3430 | |
| 3431 | if (Triple.isOSDarwin()) { |
| 3432 | CmdArgs.push_back(Elt: "-analyzer-checker=osx"); |
| 3433 | CmdArgs.push_back( |
| 3434 | Elt: "-analyzer-checker=security.insecureAPI.decodeValueOfObjCType"); |
| 3435 | } |
| 3436 | else if (Triple.isOSFuchsia()) |
| 3437 | CmdArgs.push_back(Elt: "-analyzer-checker=fuchsia"); |
| 3438 | |
| 3439 | CmdArgs.push_back(Elt: "-analyzer-checker=deadcode"); |
| 3440 | |
| 3441 | if (types::isCXX(Id: Input.getType())) |
| 3442 | CmdArgs.push_back(Elt: "-analyzer-checker=cplusplus"); |
| 3443 | |
| 3444 | if (!Triple.isPS()) { |
| 3445 | CmdArgs.push_back(Elt: "-analyzer-checker=security.insecureAPI.UncheckedReturn"); |
| 3446 | CmdArgs.push_back(Elt: "-analyzer-checker=security.insecureAPI.getpw"); |
| 3447 | CmdArgs.push_back(Elt: "-analyzer-checker=security.insecureAPI.gets"); |
| 3448 | CmdArgs.push_back(Elt: "-analyzer-checker=security.insecureAPI.mktemp"); |
| 3449 | CmdArgs.push_back(Elt: "-analyzer-checker=security.insecureAPI.mkstemp"); |
| 3450 | CmdArgs.push_back(Elt: "-analyzer-checker=security.insecureAPI.vfork"); |
| 3451 | } |
| 3452 | |
| 3453 | // Default nullability checks. |
| 3454 | CmdArgs.push_back(Elt: "-analyzer-checker=nullability.NullPassedToNonnull"); |
| 3455 | CmdArgs.push_back(Elt: "-analyzer-checker=nullability.NullReturnedFromNonnull"); |
| 3456 | } |
| 3457 | |
| 3458 | // Set the output format. The default is plist, for (lame) historical reasons. |
| 3459 | CmdArgs.push_back(Elt: "-analyzer-output"); |
| 3460 | if (Arg *A = Args.getLastArg(Ids: options::OPT__analyzer_output)) |
| 3461 | CmdArgs.push_back(Elt: A->getValue()); |
| 3462 | else |
| 3463 | CmdArgs.push_back(Elt: "plist"); |
| 3464 | |
| 3465 | // Disable the presentation of standard compiler warnings when using |
| 3466 | // --analyze. We only want to show static analyzer diagnostics or frontend |
| 3467 | // errors. |
| 3468 | CmdArgs.push_back(Elt: "-w"); |
| 3469 | |
| 3470 | // Add -Xanalyzer arguments when running as analyzer. |
| 3471 | Args.AddAllArgValues(Output&: CmdArgs, Id0: options::OPT_Xanalyzer); |
| 3472 | } |
| 3473 | |
| 3474 | static bool isValidSymbolName(StringRef S) { |
| 3475 | if (S.empty()) |
| 3476 | return false; |
| 3477 | |
| 3478 | if (std::isdigit(S[0])) |
| 3479 | return false; |
| 3480 | |
| 3481 | return llvm::all_of(Range&: S, P: [](char C) { return std::isalnum(C) || C == '_'; }); |
| 3482 | } |
| 3483 | |
| 3484 | static void RenderSSPOptions(const Driver &D, const ToolChain &TC, |
| 3485 | const ArgList &Args, ArgStringList &CmdArgs, |
| 3486 | bool KernelOrKext) { |
| 3487 | const llvm::Triple &EffectiveTriple = TC.getEffectiveTriple(); |
| 3488 | |
| 3489 | // NVPTX doesn't support stack protectors; from the compiler's perspective, it |
| 3490 | // doesn't even have a stack! |
| 3491 | if (EffectiveTriple.isNVPTX()) |
| 3492 | return; |
| 3493 | |
| 3494 | // -stack-protector=0 is default. |
| 3495 | LangOptions::StackProtectorMode StackProtectorLevel = LangOptions::SSPOff; |
| 3496 | LangOptions::StackProtectorMode DefaultStackProtectorLevel = |
| 3497 | TC.GetDefaultStackProtectorLevel(KernelOrKext); |
| 3498 | |
| 3499 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fno_stack_protector, |
| 3500 | Ids: options::OPT_fstack_protector_all, |
| 3501 | Ids: options::OPT_fstack_protector_strong, |
| 3502 | Ids: options::OPT_fstack_protector)) { |
| 3503 | if (A->getOption().matches(ID: options::OPT_fstack_protector)) |
| 3504 | StackProtectorLevel = |
| 3505 | std::max<>(a: LangOptions::SSPOn, b: DefaultStackProtectorLevel); |
| 3506 | else if (A->getOption().matches(ID: options::OPT_fstack_protector_strong)) |
| 3507 | StackProtectorLevel = LangOptions::SSPStrong; |
| 3508 | else if (A->getOption().matches(ID: options::OPT_fstack_protector_all)) |
| 3509 | StackProtectorLevel = LangOptions::SSPReq; |
| 3510 | |
| 3511 | if (EffectiveTriple.isBPF() && StackProtectorLevel != LangOptions::SSPOff) { |
| 3512 | D.Diag(DiagID: diag::warn_drv_unsupported_option_for_target) |
| 3513 | << A->getSpelling() << EffectiveTriple.getTriple(); |
| 3514 | StackProtectorLevel = DefaultStackProtectorLevel; |
| 3515 | } |
| 3516 | } else { |
| 3517 | StackProtectorLevel = DefaultStackProtectorLevel; |
| 3518 | } |
| 3519 | |
| 3520 | if (StackProtectorLevel) { |
| 3521 | CmdArgs.push_back(Elt: "-stack-protector"); |
| 3522 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Twine(StackProtectorLevel))); |
| 3523 | } |
| 3524 | |
| 3525 | // --param ssp-buffer-size= |
| 3526 | for (const Arg *A : Args.filtered(Ids: options::OPT__param)) { |
| 3527 | StringRef Str(A->getValue()); |
| 3528 | if (Str.starts_with(Prefix: "ssp-buffer-size=")) { |
| 3529 | if (StackProtectorLevel) { |
| 3530 | CmdArgs.push_back(Elt: "-stack-protector-buffer-size"); |
| 3531 | // FIXME: Verify the argument is a valid integer. |
| 3532 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Str.drop_front(N: 16))); |
| 3533 | } |
| 3534 | A->claim(); |
| 3535 | } |
| 3536 | } |
| 3537 | |
| 3538 | const std::string &TripleStr = EffectiveTriple.getTriple(); |
| 3539 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mstack_protector_guard_EQ)) { |
| 3540 | StringRef Value = A->getValue(); |
| 3541 | if (!EffectiveTriple.isX86() && !EffectiveTriple.isAArch64() && |
| 3542 | !EffectiveTriple.isARM() && !EffectiveTriple.isThumb()) |
| 3543 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 3544 | << A->getAsString(Args) << TripleStr; |
| 3545 | if ((EffectiveTriple.isX86() || EffectiveTriple.isARM() || |
| 3546 | EffectiveTriple.isThumb()) && |
| 3547 | Value != "tls"&& Value != "global") { |
| 3548 | D.Diag(DiagID: diag::err_drv_invalid_value_with_suggestion) |
| 3549 | << A->getOption().getName() << Value << "tls global"; |
| 3550 | return; |
| 3551 | } |
| 3552 | if ((EffectiveTriple.isARM() || EffectiveTriple.isThumb()) && |
| 3553 | Value == "tls") { |
| 3554 | if (!Args.hasArg(Ids: options::OPT_mstack_protector_guard_offset_EQ)) { |
| 3555 | D.Diag(DiagID: diag::err_drv_ssp_missing_offset_argument) |
| 3556 | << A->getAsString(Args); |
| 3557 | return; |
| 3558 | } |
| 3559 | // Check whether the target subarch supports the hardware TLS register |
| 3560 | if (!arm::isHardTPSupported(Triple: EffectiveTriple)) { |
| 3561 | D.Diag(DiagID: diag::err_target_unsupported_tp_hard) |
| 3562 | << EffectiveTriple.getArchName(); |
| 3563 | return; |
| 3564 | } |
| 3565 | // Check whether the user asked for something other than -mtp=cp15 |
| 3566 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mtp_mode_EQ)) { |
| 3567 | StringRef Value = A->getValue(); |
| 3568 | if (Value != "cp15") { |
| 3569 | D.Diag(DiagID: diag::err_drv_argument_not_allowed_with) |
| 3570 | << A->getAsString(Args) << "-mstack-protector-guard=tls"; |
| 3571 | return; |
| 3572 | } |
| 3573 | } |
| 3574 | CmdArgs.push_back(Elt: "-target-feature"); |
| 3575 | CmdArgs.push_back(Elt: "+read-tp-tpidruro"); |
| 3576 | } |
| 3577 | if (EffectiveTriple.isAArch64() && Value != "sysreg"&& Value != "global") { |
| 3578 | D.Diag(DiagID: diag::err_drv_invalid_value_with_suggestion) |
| 3579 | << A->getOption().getName() << Value << "sysreg global"; |
| 3580 | return; |
| 3581 | } |
| 3582 | A->render(Args, Output&: CmdArgs); |
| 3583 | } |
| 3584 | |
| 3585 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mstack_protector_guard_offset_EQ)) { |
| 3586 | StringRef Value = A->getValue(); |
| 3587 | if (!EffectiveTriple.isX86() && !EffectiveTriple.isAArch64() && |
| 3588 | !EffectiveTriple.isARM() && !EffectiveTriple.isThumb()) |
| 3589 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 3590 | << A->getAsString(Args) << TripleStr; |
| 3591 | int Offset; |
| 3592 | if (Value.getAsInteger(Radix: 10, Result&: Offset)) { |
| 3593 | D.Diag(DiagID: diag::err_drv_invalid_value) << A->getOption().getName() << Value; |
| 3594 | return; |
| 3595 | } |
| 3596 | if ((EffectiveTriple.isARM() || EffectiveTriple.isThumb()) && |
| 3597 | (Offset < 0 || Offset > 0xfffff)) { |
| 3598 | D.Diag(DiagID: diag::err_drv_invalid_int_value) |
| 3599 | << A->getOption().getName() << Value; |
| 3600 | return; |
| 3601 | } |
| 3602 | A->render(Args, Output&: CmdArgs); |
| 3603 | } |
| 3604 | |
| 3605 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mstack_protector_guard_reg_EQ)) { |
| 3606 | StringRef Value = A->getValue(); |
| 3607 | if (!EffectiveTriple.isX86() && !EffectiveTriple.isAArch64()) |
| 3608 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 3609 | << A->getAsString(Args) << TripleStr; |
| 3610 | if (EffectiveTriple.isX86() && (Value != "fs"&& Value != "gs")) { |
| 3611 | D.Diag(DiagID: diag::err_drv_invalid_value_with_suggestion) |
| 3612 | << A->getOption().getName() << Value << "fs gs"; |
| 3613 | return; |
| 3614 | } |
| 3615 | if (EffectiveTriple.isAArch64() && Value != "sp_el0") { |
| 3616 | D.Diag(DiagID: diag::err_drv_invalid_value) << A->getOption().getName() << Value; |
| 3617 | return; |
| 3618 | } |
| 3619 | A->render(Args, Output&: CmdArgs); |
| 3620 | } |
| 3621 | |
| 3622 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mstack_protector_guard_symbol_EQ)) { |
| 3623 | StringRef Value = A->getValue(); |
| 3624 | if (!isValidSymbolName(S: Value)) { |
| 3625 | D.Diag(DiagID: diag::err_drv_argument_only_allowed_with) |
| 3626 | << A->getOption().getName() << "legal symbol name"; |
| 3627 | return; |
| 3628 | } |
| 3629 | A->render(Args, Output&: CmdArgs); |
| 3630 | } |
| 3631 | } |
| 3632 | |
| 3633 | static void RenderSCPOptions(const ToolChain &TC, const ArgList &Args, |
| 3634 | ArgStringList &CmdArgs) { |
| 3635 | const llvm::Triple &EffectiveTriple = TC.getEffectiveTriple(); |
| 3636 | |
| 3637 | if (!EffectiveTriple.isOSFreeBSD() && !EffectiveTriple.isOSLinux()) |
| 3638 | return; |
| 3639 | |
| 3640 | if (!EffectiveTriple.isX86() && !EffectiveTriple.isSystemZ() && |
| 3641 | !EffectiveTriple.isPPC64() && !EffectiveTriple.isAArch64()) |
| 3642 | return; |
| 3643 | |
| 3644 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fstack_clash_protection, |
| 3645 | Neg: options::OPT_fno_stack_clash_protection); |
| 3646 | } |
| 3647 | |
| 3648 | static void RenderTrivialAutoVarInitOptions(const Driver &D, |
| 3649 | const ToolChain &TC, |
| 3650 | const ArgList &Args, |
| 3651 | ArgStringList &CmdArgs) { |
| 3652 | auto DefaultTrivialAutoVarInit = TC.GetDefaultTrivialAutoVarInit(); |
| 3653 | StringRef TrivialAutoVarInit = ""; |
| 3654 | |
| 3655 | for (const Arg *A : Args) { |
| 3656 | switch (A->getOption().getID()) { |
| 3657 | default: |
| 3658 | continue; |
| 3659 | case options::OPT_ftrivial_auto_var_init: { |
| 3660 | A->claim(); |
| 3661 | StringRef Val = A->getValue(); |
| 3662 | if (Val == "uninitialized"|| Val == "zero"|| Val == "pattern") |
| 3663 | TrivialAutoVarInit = Val; |
| 3664 | else |
| 3665 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 3666 | << A->getSpelling() << Val; |
| 3667 | break; |
| 3668 | } |
| 3669 | } |
| 3670 | } |
| 3671 | |
| 3672 | if (TrivialAutoVarInit.empty()) |
| 3673 | switch (DefaultTrivialAutoVarInit) { |
| 3674 | case LangOptions::TrivialAutoVarInitKind::Uninitialized: |
| 3675 | break; |
| 3676 | case LangOptions::TrivialAutoVarInitKind::Pattern: |
| 3677 | TrivialAutoVarInit = "pattern"; |
| 3678 | break; |
| 3679 | case LangOptions::TrivialAutoVarInitKind::Zero: |
| 3680 | TrivialAutoVarInit = "zero"; |
| 3681 | break; |
| 3682 | } |
| 3683 | |
| 3684 | if (!TrivialAutoVarInit.empty()) { |
| 3685 | CmdArgs.push_back( |
| 3686 | Elt: Args.MakeArgString(Str: "-ftrivial-auto-var-init="+ TrivialAutoVarInit)); |
| 3687 | } |
| 3688 | |
| 3689 | if (Arg *A = |
| 3690 | Args.getLastArg(Ids: options::OPT_ftrivial_auto_var_init_stop_after)) { |
| 3691 | if (!Args.hasArg(Ids: options::OPT_ftrivial_auto_var_init) || |
| 3692 | StringRef( |
| 3693 | Args.getLastArg(Ids: options::OPT_ftrivial_auto_var_init)->getValue()) == |
| 3694 | "uninitialized") |
| 3695 | D.Diag(DiagID: diag::err_drv_trivial_auto_var_init_stop_after_missing_dependency); |
| 3696 | A->claim(); |
| 3697 | StringRef Val = A->getValue(); |
| 3698 | if (std::stoi(str: Val.str()) <= 0) |
| 3699 | D.Diag(DiagID: diag::err_drv_trivial_auto_var_init_stop_after_invalid_value); |
| 3700 | CmdArgs.push_back( |
| 3701 | Elt: Args.MakeArgString(Str: "-ftrivial-auto-var-init-stop-after="+ Val)); |
| 3702 | } |
| 3703 | |
| 3704 | if (Arg *A = Args.getLastArg(Ids: options::OPT_ftrivial_auto_var_init_max_size)) { |
| 3705 | if (!Args.hasArg(Ids: options::OPT_ftrivial_auto_var_init) || |
| 3706 | StringRef( |
| 3707 | Args.getLastArg(Ids: options::OPT_ftrivial_auto_var_init)->getValue()) == |
| 3708 | "uninitialized") |
| 3709 | D.Diag(DiagID: diag::err_drv_trivial_auto_var_init_max_size_missing_dependency); |
| 3710 | A->claim(); |
| 3711 | StringRef Val = A->getValue(); |
| 3712 | if (std::stoi(str: Val.str()) <= 0) |
| 3713 | D.Diag(DiagID: diag::err_drv_trivial_auto_var_init_max_size_invalid_value); |
| 3714 | CmdArgs.push_back( |
| 3715 | Elt: Args.MakeArgString(Str: "-ftrivial-auto-var-init-max-size="+ Val)); |
| 3716 | } |
| 3717 | } |
| 3718 | |
| 3719 | static void RenderOpenCLOptions(const ArgList &Args, ArgStringList &CmdArgs, |
| 3720 | types::ID InputType) { |
| 3721 | // cl-denorms-are-zero is not forwarded. It is translated into a generic flag |
| 3722 | // for denormal flushing handling based on the target. |
| 3723 | const unsigned ForwardedArguments[] = { |
| 3724 | options::OPT_cl_opt_disable, |
| 3725 | options::OPT_cl_strict_aliasing, |
| 3726 | options::OPT_cl_single_precision_constant, |
| 3727 | options::OPT_cl_finite_math_only, |
| 3728 | options::OPT_cl_kernel_arg_info, |
| 3729 | options::OPT_cl_unsafe_math_optimizations, |
| 3730 | options::OPT_cl_fast_relaxed_math, |
| 3731 | options::OPT_cl_mad_enable, |
| 3732 | options::OPT_cl_no_signed_zeros, |
| 3733 | options::OPT_cl_fp32_correctly_rounded_divide_sqrt, |
| 3734 | options::OPT_cl_uniform_work_group_size |
| 3735 | }; |
| 3736 | |
| 3737 | if (Arg *A = Args.getLastArg(Ids: options::OPT_cl_std_EQ)) { |
| 3738 | std::string CLStdStr = std::string("-cl-std=") + A->getValue(); |
| 3739 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: CLStdStr)); |
| 3740 | } else if (Arg *A = Args.getLastArg(Ids: options::OPT_cl_ext_EQ)) { |
| 3741 | std::string CLExtStr = std::string("-cl-ext=") + A->getValue(); |
| 3742 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: CLExtStr)); |
| 3743 | } |
| 3744 | |
| 3745 | for (const auto &Arg : ForwardedArguments) |
| 3746 | if (const auto *A = Args.getLastArg(Ids: Arg)) |
| 3747 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: A->getOption().getPrefixedName())); |
| 3748 | |
| 3749 | // Only add the default headers if we are compiling OpenCL sources. |
| 3750 | if ((types::isOpenCL(Id: InputType) || |
| 3751 | (Args.hasArg(Ids: options::OPT_cl_std_EQ) && types::isSrcFile(Id: InputType))) && |
| 3752 | !Args.hasArg(Ids: options::OPT_cl_no_stdinc)) { |
| 3753 | CmdArgs.push_back(Elt: "-finclude-default-header"); |
| 3754 | CmdArgs.push_back(Elt: "-fdeclare-opencl-builtins"); |
| 3755 | } |
| 3756 | } |
| 3757 | |
| 3758 | static void RenderHLSLOptions(const ArgList &Args, ArgStringList &CmdArgs, |
| 3759 | types::ID InputType) { |
| 3760 | const unsigned ForwardedArguments[] = {options::OPT_dxil_validator_version, |
| 3761 | options::OPT_D, |
| 3762 | options::OPT_I, |
| 3763 | options::OPT_O, |
| 3764 | options::OPT_emit_llvm, |
| 3765 | options::OPT_emit_obj, |
| 3766 | options::OPT_disable_llvm_passes, |
| 3767 | options::OPT_fnative_half_type, |
| 3768 | options::OPT_hlsl_entrypoint}; |
| 3769 | if (!types::isHLSL(Id: InputType)) |
| 3770 | return; |
| 3771 | for (const auto &Arg : ForwardedArguments) |
| 3772 | if (const auto *A = Args.getLastArg(Ids: Arg)) |
| 3773 | A->renderAsInput(Args, Output&: CmdArgs); |
| 3774 | // Add the default headers if dxc_no_stdinc is not set. |
| 3775 | if (!Args.hasArg(Ids: options::OPT_dxc_no_stdinc) && |
| 3776 | !Args.hasArg(Ids: options::OPT_nostdinc)) |
| 3777 | CmdArgs.push_back(Elt: "-finclude-default-header"); |
| 3778 | } |
| 3779 | |
| 3780 | static void RenderOpenACCOptions(const Driver &D, const ArgList &Args, |
| 3781 | ArgStringList &CmdArgs, types::ID InputType) { |
| 3782 | if (!Args.hasArg(Ids: options::OPT_fopenacc)) |
| 3783 | return; |
| 3784 | |
| 3785 | CmdArgs.push_back(Elt: "-fopenacc"); |
| 3786 | |
| 3787 | if (Arg *A = Args.getLastArg(Ids: options::OPT_openacc_macro_override)) { |
| 3788 | StringRef Value = A->getValue(); |
| 3789 | int Version; |
| 3790 | if (!Value.getAsInteger(Radix: 10, Result&: Version)) |
| 3791 | A->renderAsInput(Args, Output&: CmdArgs); |
| 3792 | else |
| 3793 | D.Diag(DiagID: diag::err_drv_clang_unsupported) << Value; |
| 3794 | } |
| 3795 | } |
| 3796 | |
| 3797 | static void RenderARCMigrateToolOptions(const Driver &D, const ArgList &Args, |
| 3798 | ArgStringList &CmdArgs) { |
| 3799 | bool ARCMTEnabled = false; |
| 3800 | if (!Args.hasArg(Ids: options::OPT_fno_objc_arc, Ids: options::OPT_fobjc_arc)) { |
| 3801 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_ccc_arcmt_check, |
| 3802 | Ids: options::OPT_ccc_arcmt_modify, |
| 3803 | Ids: options::OPT_ccc_arcmt_migrate)) { |
| 3804 | ARCMTEnabled = true; |
| 3805 | switch (A->getOption().getID()) { |
| 3806 | default: llvm_unreachable("missed a case"); |
| 3807 | case options::OPT_ccc_arcmt_check: |
| 3808 | CmdArgs.push_back(Elt: "-arcmt-action=check"); |
| 3809 | break; |
| 3810 | case options::OPT_ccc_arcmt_modify: |
| 3811 | CmdArgs.push_back(Elt: "-arcmt-action=modify"); |
| 3812 | break; |
| 3813 | case options::OPT_ccc_arcmt_migrate: |
| 3814 | CmdArgs.push_back(Elt: "-arcmt-action=migrate"); |
| 3815 | CmdArgs.push_back(Elt: "-mt-migrate-directory"); |
| 3816 | CmdArgs.push_back(Elt: A->getValue()); |
| 3817 | |
| 3818 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_arcmt_migrate_report_output); |
| 3819 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_arcmt_migrate_emit_arc_errors); |
| 3820 | break; |
| 3821 | } |
| 3822 | } |
| 3823 | } else { |
| 3824 | Args.ClaimAllArgs(Id0: options::OPT_ccc_arcmt_check); |
| 3825 | Args.ClaimAllArgs(Id0: options::OPT_ccc_arcmt_modify); |
| 3826 | Args.ClaimAllArgs(Id0: options::OPT_ccc_arcmt_migrate); |
| 3827 | } |
| 3828 | |
| 3829 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_ccc_objcmt_migrate)) { |
| 3830 | if (ARCMTEnabled) |
| 3831 | D.Diag(DiagID: diag::err_drv_argument_not_allowed_with) |
| 3832 | << A->getAsString(Args) << "-ccc-arcmt-migrate"; |
| 3833 | |
| 3834 | CmdArgs.push_back(Elt: "-mt-migrate-directory"); |
| 3835 | CmdArgs.push_back(Elt: A->getValue()); |
| 3836 | |
| 3837 | if (!Args.hasArg(Ids: options::OPT_objcmt_migrate_literals, |
| 3838 | Ids: options::OPT_objcmt_migrate_subscripting, |
| 3839 | Ids: options::OPT_objcmt_migrate_property)) { |
| 3840 | // None specified, means enable them all. |
| 3841 | CmdArgs.push_back(Elt: "-objcmt-migrate-literals"); |
| 3842 | CmdArgs.push_back(Elt: "-objcmt-migrate-subscripting"); |
| 3843 | CmdArgs.push_back(Elt: "-objcmt-migrate-property"); |
| 3844 | } else { |
| 3845 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_migrate_literals); |
| 3846 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_migrate_subscripting); |
| 3847 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_migrate_property); |
| 3848 | } |
| 3849 | } else { |
| 3850 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_migrate_literals); |
| 3851 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_migrate_subscripting); |
| 3852 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_migrate_property); |
| 3853 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_migrate_all); |
| 3854 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_migrate_readonly_property); |
| 3855 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_migrate_readwrite_property); |
| 3856 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_migrate_property_dot_syntax); |
| 3857 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_migrate_annotation); |
| 3858 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_migrate_instancetype); |
| 3859 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_migrate_nsmacros); |
| 3860 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_migrate_protocol_conformance); |
| 3861 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_atomic_property); |
| 3862 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_returns_innerpointer_property); |
| 3863 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_ns_nonatomic_iosonly); |
| 3864 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_migrate_designated_init); |
| 3865 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_objcmt_allowlist_dir_path); |
| 3866 | } |
| 3867 | } |
| 3868 | |
| 3869 | static void RenderBuiltinOptions(const ToolChain &TC, const llvm::Triple &T, |
| 3870 | const ArgList &Args, ArgStringList &CmdArgs) { |
| 3871 | // -fbuiltin is default unless -mkernel is used. |
| 3872 | bool UseBuiltins = |
| 3873 | Args.hasFlag(Pos: options::OPT_fbuiltin, Neg: options::OPT_fno_builtin, |
| 3874 | Default: !Args.hasArg(Ids: options::OPT_mkernel)); |
| 3875 | if (!UseBuiltins) |
| 3876 | CmdArgs.push_back(Elt: "-fno-builtin"); |
| 3877 | |
| 3878 | // -ffreestanding implies -fno-builtin. |
| 3879 | if (Args.hasArg(Ids: options::OPT_ffreestanding)) |
| 3880 | UseBuiltins = false; |
| 3881 | |
| 3882 | // Process the -fno-builtin-* options. |
| 3883 | for (const Arg *A : Args.filtered(Ids: options::OPT_fno_builtin_)) { |
| 3884 | A->claim(); |
| 3885 | |
| 3886 | // If -fno-builtin is specified, then there's no need to pass the option to |
| 3887 | // the frontend. |
| 3888 | if (UseBuiltins) |
| 3889 | A->render(Args, Output&: CmdArgs); |
| 3890 | } |
| 3891 | |
| 3892 | // le32-specific flags: |
| 3893 | // -fno-math-builtin: clang should not convert math builtins to intrinsics |
| 3894 | // by default. |
| 3895 | if (TC.getArch() == llvm::Triple::le32) |
| 3896 | CmdArgs.push_back(Elt: "-fno-math-builtin"); |
| 3897 | } |
| 3898 | |
| 3899 | bool Driver::getDefaultModuleCachePath(SmallVectorImpl<char> &Result) { |
| 3900 | if (const char *Str = std::getenv(name: "CLANG_MODULE_CACHE_PATH")) { |
| 3901 | Twine Path{Str}; |
| 3902 | Path.toVector(Out&: Result); |
| 3903 | return Path.getSingleStringRef() != ""; |
| 3904 | } |
| 3905 | if (llvm::sys::path::cache_directory(result&: Result)) { |
| 3906 | llvm::sys::path::append(path&: Result, a: "clang"); |
| 3907 | llvm::sys::path::append(path&: Result, a: "ModuleCache"); |
| 3908 | return true; |
| 3909 | } |
| 3910 | return false; |
| 3911 | } |
| 3912 | |
| 3913 | llvm::SmallString<256> |
| 3914 | clang::driver::tools::getCXX20NamedModuleOutputPath(const ArgList &Args, |
| 3915 | const char *BaseInput) { |
| 3916 | if (Arg *ModuleOutputEQ = Args.getLastArg(Ids: options::OPT_fmodule_output_EQ)) |
| 3917 | return StringRef(ModuleOutputEQ->getValue()); |
| 3918 | |
| 3919 | SmallString<256> OutputPath; |
| 3920 | if (Arg *FinalOutput = Args.getLastArg(Ids: options::OPT_o); |
| 3921 | FinalOutput && Args.hasArg(Ids: options::OPT_c)) |
| 3922 | OutputPath = FinalOutput->getValue(); |
| 3923 | else |
| 3924 | OutputPath = BaseInput; |
| 3925 | |
| 3926 | const char *Extension = types::getTypeTempSuffix(Id: types::TY_ModuleFile); |
| 3927 | llvm::sys::path::replace_extension(path&: OutputPath, extension: Extension); |
| 3928 | return OutputPath; |
| 3929 | } |
| 3930 | |
| 3931 | static bool RenderModulesOptions(Compilation &C, const Driver &D, |
| 3932 | const ArgList &Args, const InputInfo &Input, |
| 3933 | const InputInfo &Output, bool HaveStd20, |
| 3934 | ArgStringList &CmdArgs) { |
| 3935 | bool IsCXX = types::isCXX(Id: Input.getType()); |
| 3936 | bool HaveStdCXXModules = IsCXX && HaveStd20; |
| 3937 | bool HaveModules = HaveStdCXXModules; |
| 3938 | |
| 3939 | // -fmodules enables the use of precompiled modules (off by default). |
| 3940 | // Users can pass -fno-cxx-modules to turn off modules support for |
| 3941 | // C++/Objective-C++ programs. |
| 3942 | bool HaveClangModules = false; |
| 3943 | if (Args.hasFlag(Pos: options::OPT_fmodules, Neg: options::OPT_fno_modules, Default: false)) { |
| 3944 | bool AllowedInCXX = Args.hasFlag(Pos: options::OPT_fcxx_modules, |
| 3945 | Neg: options::OPT_fno_cxx_modules, Default: true); |
| 3946 | if (AllowedInCXX || !IsCXX) { |
| 3947 | CmdArgs.push_back(Elt: "-fmodules"); |
| 3948 | HaveClangModules = true; |
| 3949 | } |
| 3950 | } |
| 3951 | |
| 3952 | HaveModules |= HaveClangModules; |
| 3953 | |
| 3954 | // -fmodule-maps enables implicit reading of module map files. By default, |
| 3955 | // this is enabled if we are using Clang's flavor of precompiled modules. |
| 3956 | if (Args.hasFlag(Pos: options::OPT_fimplicit_module_maps, |
| 3957 | Neg: options::OPT_fno_implicit_module_maps, Default: HaveClangModules)) |
| 3958 | CmdArgs.push_back(Elt: "-fimplicit-module-maps"); |
| 3959 | |
| 3960 | // -fmodules-decluse checks that modules used are declared so (off by default) |
| 3961 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fmodules_decluse, |
| 3962 | Neg: options::OPT_fno_modules_decluse); |
| 3963 | |
| 3964 | // -fmodules-strict-decluse is like -fmodule-decluse, but also checks that |
| 3965 | // all #included headers are part of modules. |
| 3966 | if (Args.hasFlag(Pos: options::OPT_fmodules_strict_decluse, |
| 3967 | Neg: options::OPT_fno_modules_strict_decluse, Default: false)) |
| 3968 | CmdArgs.push_back(Elt: "-fmodules-strict-decluse"); |
| 3969 | |
| 3970 | // -fno-implicit-modules turns off implicitly compiling modules on demand. |
| 3971 | bool ImplicitModules = false; |
| 3972 | if (!Args.hasFlag(Pos: options::OPT_fimplicit_modules, |
| 3973 | Neg: options::OPT_fno_implicit_modules, Default: HaveClangModules)) { |
| 3974 | if (HaveModules) |
| 3975 | CmdArgs.push_back(Elt: "-fno-implicit-modules"); |
| 3976 | } else if (HaveModules) { |
| 3977 | ImplicitModules = true; |
| 3978 | // -fmodule-cache-path specifies where our implicitly-built module files |
| 3979 | // should be written. |
| 3980 | SmallString<128> Path; |
| 3981 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fmodules_cache_path)) |
| 3982 | Path = A->getValue(); |
| 3983 | |
| 3984 | bool HasPath = true; |
| 3985 | if (C.isForDiagnostics()) { |
| 3986 | // When generating crash reports, we want to emit the modules along with |
| 3987 | // the reproduction sources, so we ignore any provided module path. |
| 3988 | Path = Output.getFilename(); |
| 3989 | llvm::sys::path::replace_extension(path&: Path, extension: ".cache"); |
| 3990 | llvm::sys::path::append(path&: Path, a: "modules"); |
| 3991 | } else if (Path.empty()) { |
| 3992 | // No module path was provided: use the default. |
| 3993 | HasPath = Driver::getDefaultModuleCachePath(Result&: Path); |
| 3994 | } |
| 3995 | |
| 3996 | // `HasPath` will only be false if getDefaultModuleCachePath() fails. |
| 3997 | // That being said, that failure is unlikely and not caching is harmless. |
| 3998 | if (HasPath) { |
| 3999 | const char Arg[] = "-fmodules-cache-path="; |
| 4000 | Path.insert(I: Path.begin(), From: Arg, To: Arg + strlen(s: Arg)); |
| 4001 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Path)); |
| 4002 | } |
| 4003 | } |
| 4004 | |
| 4005 | if (HaveModules) { |
| 4006 | if (Args.hasFlag(Pos: options::OPT_fprebuilt_implicit_modules, |
| 4007 | Neg: options::OPT_fno_prebuilt_implicit_modules, Default: false)) |
| 4008 | CmdArgs.push_back(Elt: "-fprebuilt-implicit-modules"); |
| 4009 | if (Args.hasFlag(Pos: options::OPT_fmodules_validate_input_files_content, |
| 4010 | Neg: options::OPT_fno_modules_validate_input_files_content, |
| 4011 | Default: false)) |
| 4012 | CmdArgs.push_back(Elt: "-fvalidate-ast-input-files-content"); |
| 4013 | } |
| 4014 | |
| 4015 | // -fmodule-name specifies the module that is currently being built (or |
| 4016 | // used for header checking by -fmodule-maps). |
| 4017 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fmodule_name_EQ); |
| 4018 | |
| 4019 | // -fmodule-map-file can be used to specify files containing module |
| 4020 | // definitions. |
| 4021 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_fmodule_map_file); |
| 4022 | |
| 4023 | // -fbuiltin-module-map can be used to load the clang |
| 4024 | // builtin headers modulemap file. |
| 4025 | if (Args.hasArg(Ids: options::OPT_fbuiltin_module_map)) { |
| 4026 | SmallString<128> BuiltinModuleMap(D.ResourceDir); |
| 4027 | llvm::sys::path::append(path&: BuiltinModuleMap, a: "include"); |
| 4028 | llvm::sys::path::append(path&: BuiltinModuleMap, a: "module.modulemap"); |
| 4029 | if (llvm::sys::fs::exists(Path: BuiltinModuleMap)) |
| 4030 | CmdArgs.push_back( |
| 4031 | Elt: Args.MakeArgString(Str: "-fmodule-map-file="+ BuiltinModuleMap)); |
| 4032 | } |
| 4033 | |
| 4034 | // The -fmodule-file=<name>=<file> form specifies the mapping of module |
| 4035 | // names to precompiled module files (the module is loaded only if used). |
| 4036 | // The -fmodule-file=<file> form can be used to unconditionally load |
| 4037 | // precompiled module files (whether used or not). |
| 4038 | if (HaveModules || Input.getType() == clang::driver::types::TY_ModuleFile) { |
| 4039 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_fmodule_file); |
| 4040 | |
| 4041 | // -fprebuilt-module-path specifies where to load the prebuilt module files. |
| 4042 | for (const Arg *A : Args.filtered(Ids: options::OPT_fprebuilt_module_path)) { |
| 4043 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 4044 | Str: std::string("-fprebuilt-module-path=") + A->getValue())); |
| 4045 | A->claim(); |
| 4046 | } |
| 4047 | } else |
| 4048 | Args.ClaimAllArgs(Id0: options::OPT_fmodule_file); |
| 4049 | |
| 4050 | // When building modules and generating crashdumps, we need to dump a module |
| 4051 | // dependency VFS alongside the output. |
| 4052 | if (HaveClangModules && C.isForDiagnostics()) { |
| 4053 | SmallString<128> VFSDir(Output.getFilename()); |
| 4054 | llvm::sys::path::replace_extension(path&: VFSDir, extension: ".cache"); |
| 4055 | // Add the cache directory as a temp so the crash diagnostics pick it up. |
| 4056 | C.addTempFile(Name: Args.MakeArgString(Str: VFSDir)); |
| 4057 | |
| 4058 | llvm::sys::path::append(path&: VFSDir, a: "vfs"); |
| 4059 | CmdArgs.push_back(Elt: "-module-dependency-dir"); |
| 4060 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: VFSDir)); |
| 4061 | } |
| 4062 | |
| 4063 | if (HaveClangModules) |
| 4064 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fmodules_user_build_path); |
| 4065 | |
| 4066 | // Pass through all -fmodules-ignore-macro arguments. |
| 4067 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_fmodules_ignore_macro); |
| 4068 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fmodules_prune_interval); |
| 4069 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fmodules_prune_after); |
| 4070 | |
| 4071 | if (HaveClangModules) { |
| 4072 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fbuild_session_timestamp); |
| 4073 | |
| 4074 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fbuild_session_file)) { |
| 4075 | if (Args.hasArg(Ids: options::OPT_fbuild_session_timestamp)) |
| 4076 | D.Diag(DiagID: diag::err_drv_argument_not_allowed_with) |
| 4077 | << A->getAsString(Args) << "-fbuild-session-timestamp"; |
| 4078 | |
| 4079 | llvm::sys::fs::file_status Status; |
| 4080 | if (llvm::sys::fs::status(path: A->getValue(), result&: Status)) |
| 4081 | D.Diag(DiagID: diag::err_drv_no_such_file) << A->getValue(); |
| 4082 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 4083 | Str: "-fbuild-session-timestamp="+ |
| 4084 | Twine((uint64_t)std::chrono::duration_cast<std::chrono::seconds>( |
| 4085 | d: Status.getLastModificationTime().time_since_epoch()) |
| 4086 | .count()))); |
| 4087 | } |
| 4088 | |
| 4089 | if (Args.getLastArg( |
| 4090 | Ids: options::OPT_fmodules_validate_once_per_build_session)) { |
| 4091 | if (!Args.getLastArg(Ids: options::OPT_fbuild_session_timestamp, |
| 4092 | Ids: options::OPT_fbuild_session_file)) |
| 4093 | D.Diag(DiagID: diag::err_drv_modules_validate_once_requires_timestamp); |
| 4094 | |
| 4095 | Args.AddLastArg(Output&: CmdArgs, |
| 4096 | Ids: options::OPT_fmodules_validate_once_per_build_session); |
| 4097 | } |
| 4098 | |
| 4099 | if (Args.hasFlag(Pos: options::OPT_fmodules_validate_system_headers, |
| 4100 | Neg: options::OPT_fno_modules_validate_system_headers, |
| 4101 | Default: ImplicitModules)) |
| 4102 | CmdArgs.push_back(Elt: "-fmodules-validate-system-headers"); |
| 4103 | |
| 4104 | Args.AddLastArg(Output&: CmdArgs, |
| 4105 | Ids: options::OPT_fmodules_disable_diagnostic_validation); |
| 4106 | } else { |
| 4107 | Args.ClaimAllArgs(Id0: options::OPT_fbuild_session_timestamp); |
| 4108 | Args.ClaimAllArgs(Id0: options::OPT_fbuild_session_file); |
| 4109 | Args.ClaimAllArgs(Id0: options::OPT_fmodules_validate_once_per_build_session); |
| 4110 | Args.ClaimAllArgs(Id0: options::OPT_fmodules_validate_system_headers); |
| 4111 | Args.ClaimAllArgs(Id0: options::OPT_fno_modules_validate_system_headers); |
| 4112 | Args.ClaimAllArgs(Id0: options::OPT_fmodules_disable_diagnostic_validation); |
| 4113 | } |
| 4114 | |
| 4115 | // FIXME: We provisionally don't check ODR violations for decls in the global |
| 4116 | // module fragment. |
| 4117 | CmdArgs.push_back(Elt: "-fskip-odr-check-in-gmf"); |
| 4118 | |
| 4119 | if (Args.hasArg(Ids: options::OPT_modules_reduced_bmi) && |
| 4120 | (Input.getType() == driver::types::TY_CXXModule || |
| 4121 | Input.getType() == driver::types::TY_PP_CXXModule)) { |
| 4122 | CmdArgs.push_back(Elt: "-fexperimental-modules-reduced-bmi"); |
| 4123 | |
| 4124 | if (Args.hasArg(Ids: options::OPT_fmodule_output_EQ)) |
| 4125 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fmodule_output_EQ); |
| 4126 | else |
| 4127 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 4128 | Str: "-fmodule-output="+ |
| 4129 | getCXX20NamedModuleOutputPath(Args, BaseInput: Input.getBaseInput()))); |
| 4130 | } |
| 4131 | |
| 4132 | // Noop if we see '-fexperimental-modules-reduced-bmi' with other translation |
| 4133 | // units than module units. This is more user friendly to allow end uers to |
| 4134 | // enable this feature without asking for help from build systems. |
| 4135 | Args.ClaimAllArgs(Id0: options::OPT_modules_reduced_bmi); |
| 4136 | |
| 4137 | // We need to include the case the input file is a module file here. |
| 4138 | // Since the default compilation model for C++ module interface unit will |
| 4139 | // create temporary module file and compile the temporary module file |
| 4140 | // to get the object file. Then the `-fmodule-output` flag will be |
| 4141 | // brought to the second compilation process. So we have to claim it for |
| 4142 | // the case too. |
| 4143 | if (Input.getType() == driver::types::TY_CXXModule || |
| 4144 | Input.getType() == driver::types::TY_PP_CXXModule || |
| 4145 | Input.getType() == driver::types::TY_ModuleFile) { |
| 4146 | Args.ClaimAllArgs(Id0: options::OPT_fmodule_output); |
| 4147 | Args.ClaimAllArgs(Id0: options::OPT_fmodule_output_EQ); |
| 4148 | } |
| 4149 | |
| 4150 | return HaveModules; |
| 4151 | } |
| 4152 | |
| 4153 | static void RenderCharacterOptions(const ArgList &Args, const llvm::Triple &T, |
| 4154 | ArgStringList &CmdArgs) { |
| 4155 | // -fsigned-char is default. |
| 4156 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_fsigned_char, |
| 4157 | Ids: options::OPT_fno_signed_char, |
| 4158 | Ids: options::OPT_funsigned_char, |
| 4159 | Ids: options::OPT_fno_unsigned_char)) { |
| 4160 | if (A->getOption().matches(ID: options::OPT_funsigned_char) || |
| 4161 | A->getOption().matches(ID: options::OPT_fno_signed_char)) { |
| 4162 | CmdArgs.push_back(Elt: "-fno-signed-char"); |
| 4163 | } |
| 4164 | } else if (!isSignedCharDefault(Triple: T)) { |
| 4165 | CmdArgs.push_back(Elt: "-fno-signed-char"); |
| 4166 | } |
| 4167 | |
| 4168 | // The default depends on the language standard. |
| 4169 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fchar8__t, Ids: options::OPT_fno_char8__t); |
| 4170 | |
| 4171 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_fshort_wchar, |
| 4172 | Ids: options::OPT_fno_short_wchar)) { |
| 4173 | if (A->getOption().matches(ID: options::OPT_fshort_wchar)) { |
| 4174 | CmdArgs.push_back(Elt: "-fwchar-type=short"); |
| 4175 | CmdArgs.push_back(Elt: "-fno-signed-wchar"); |
| 4176 | } else { |
| 4177 | bool IsARM = T.isARM() || T.isThumb() || T.isAArch64(); |
| 4178 | CmdArgs.push_back(Elt: "-fwchar-type=int"); |
| 4179 | if (T.isOSzOS() || |
| 4180 | (IsARM && !(T.isOSWindows() || T.isOSNetBSD() || T.isOSOpenBSD()))) |
| 4181 | CmdArgs.push_back(Elt: "-fno-signed-wchar"); |
| 4182 | else |
| 4183 | CmdArgs.push_back(Elt: "-fsigned-wchar"); |
| 4184 | } |
| 4185 | } else if (T.isOSzOS()) |
| 4186 | CmdArgs.push_back(Elt: "-fno-signed-wchar"); |
| 4187 | } |
| 4188 | |
| 4189 | static void RenderObjCOptions(const ToolChain &TC, const Driver &D, |
| 4190 | const llvm::Triple &T, const ArgList &Args, |
| 4191 | ObjCRuntime &Runtime, bool InferCovariantReturns, |
| 4192 | const InputInfo &Input, ArgStringList &CmdArgs) { |
| 4193 | const llvm::Triple::ArchType Arch = TC.getArch(); |
| 4194 | |
| 4195 | // -fobjc-dispatch-method is only relevant with the nonfragile-abi, and legacy |
| 4196 | // is the default. Except for deployment target of 10.5, next runtime is |
| 4197 | // always legacy dispatch and -fno-objc-legacy-dispatch gets ignored silently. |
| 4198 | if (Runtime.isNonFragile()) { |
| 4199 | if (!Args.hasFlag(Pos: options::OPT_fobjc_legacy_dispatch, |
| 4200 | Neg: options::OPT_fno_objc_legacy_dispatch, |
| 4201 | Default: Runtime.isLegacyDispatchDefaultForArch(Arch))) { |
| 4202 | if (TC.UseObjCMixedDispatch()) |
| 4203 | CmdArgs.push_back(Elt: "-fobjc-dispatch-method=mixed"); |
| 4204 | else |
| 4205 | CmdArgs.push_back(Elt: "-fobjc-dispatch-method=non-legacy"); |
| 4206 | } |
| 4207 | } |
| 4208 | |
| 4209 | // When ObjectiveC legacy runtime is in effect on MacOSX, turn on the option |
| 4210 | // to do Array/Dictionary subscripting by default. |
| 4211 | if (Arch == llvm::Triple::x86 && T.isMacOSX() && |
| 4212 | Runtime.getKind() == ObjCRuntime::FragileMacOSX && Runtime.isNeXTFamily()) |
| 4213 | CmdArgs.push_back(Elt: "-fobjc-subscripting-legacy-runtime"); |
| 4214 | |
| 4215 | // Allow -fno-objc-arr to trump -fobjc-arr/-fobjc-arc. |
| 4216 | // NOTE: This logic is duplicated in ToolChains.cpp. |
| 4217 | if (isObjCAutoRefCount(Args)) { |
| 4218 | TC.CheckObjCARC(); |
| 4219 | |
| 4220 | CmdArgs.push_back(Elt: "-fobjc-arc"); |
| 4221 | |
| 4222 | // FIXME: It seems like this entire block, and several around it should be |
| 4223 | // wrapped in isObjC, but for now we just use it here as this is where it |
| 4224 | // was being used previously. |
| 4225 | if (types::isCXX(Id: Input.getType()) && types::isObjC(Id: Input.getType())) { |
| 4226 | if (TC.GetCXXStdlibType(Args) == ToolChain::CST_Libcxx) |
| 4227 | CmdArgs.push_back(Elt: "-fobjc-arc-cxxlib=libc++"); |
| 4228 | else |
| 4229 | CmdArgs.push_back(Elt: "-fobjc-arc-cxxlib=libstdc++"); |
| 4230 | } |
| 4231 | |
| 4232 | // Allow the user to enable full exceptions code emission. |
| 4233 | // We default off for Objective-C, on for Objective-C++. |
| 4234 | if (Args.hasFlag(Pos: options::OPT_fobjc_arc_exceptions, |
| 4235 | Neg: options::OPT_fno_objc_arc_exceptions, |
| 4236 | /*Default=*/types::isCXX(Id: Input.getType()))) |
| 4237 | CmdArgs.push_back(Elt: "-fobjc-arc-exceptions"); |
| 4238 | } |
| 4239 | |
| 4240 | // Silence warning for full exception code emission options when explicitly |
| 4241 | // set to use no ARC. |
| 4242 | if (Args.hasArg(Ids: options::OPT_fno_objc_arc)) { |
| 4243 | Args.ClaimAllArgs(Id0: options::OPT_fobjc_arc_exceptions); |
| 4244 | Args.ClaimAllArgs(Id0: options::OPT_fno_objc_arc_exceptions); |
| 4245 | } |
| 4246 | |
| 4247 | // Allow the user to control whether messages can be converted to runtime |
| 4248 | // functions. |
| 4249 | if (types::isObjC(Id: Input.getType())) { |
| 4250 | auto *Arg = Args.getLastArg( |
| 4251 | Ids: options::OPT_fobjc_convert_messages_to_runtime_calls, |
| 4252 | Ids: options::OPT_fno_objc_convert_messages_to_runtime_calls); |
| 4253 | if (Arg && |
| 4254 | Arg->getOption().matches( |
| 4255 | ID: options::OPT_fno_objc_convert_messages_to_runtime_calls)) |
| 4256 | CmdArgs.push_back(Elt: "-fno-objc-convert-messages-to-runtime-calls"); |
| 4257 | } |
| 4258 | |
| 4259 | // -fobjc-infer-related-result-type is the default, except in the Objective-C |
| 4260 | // rewriter. |
| 4261 | if (InferCovariantReturns) |
| 4262 | CmdArgs.push_back(Elt: "-fno-objc-infer-related-result-type"); |
| 4263 | |
| 4264 | // Pass down -fobjc-weak or -fno-objc-weak if present. |
| 4265 | if (types::isObjC(Id: Input.getType())) { |
| 4266 | auto WeakArg = |
| 4267 | Args.getLastArg(Ids: options::OPT_fobjc_weak, Ids: options::OPT_fno_objc_weak); |
| 4268 | if (!WeakArg) { |
| 4269 | // nothing to do |
| 4270 | } else if (!Runtime.allowsWeak()) { |
| 4271 | if (WeakArg->getOption().matches(ID: options::OPT_fobjc_weak)) |
| 4272 | D.Diag(DiagID: diag::err_objc_weak_unsupported); |
| 4273 | } else { |
| 4274 | WeakArg->render(Args, Output&: CmdArgs); |
| 4275 | } |
| 4276 | } |
| 4277 | |
| 4278 | if (Args.hasArg(Ids: options::OPT_fobjc_disable_direct_methods_for_testing)) |
| 4279 | CmdArgs.push_back(Elt: "-fobjc-disable-direct-methods-for-testing"); |
| 4280 | } |
| 4281 | |
| 4282 | static void RenderDiagnosticsOptions(const Driver &D, const ArgList &Args, |
| 4283 | ArgStringList &CmdArgs) { |
| 4284 | bool CaretDefault = true; |
| 4285 | bool ColumnDefault = true; |
| 4286 | |
| 4287 | if (const Arg *A = Args.getLastArg(Ids: options::OPT__SLASH_diagnostics_classic, |
| 4288 | Ids: options::OPT__SLASH_diagnostics_column, |
| 4289 | Ids: options::OPT__SLASH_diagnostics_caret)) { |
| 4290 | switch (A->getOption().getID()) { |
| 4291 | case options::OPT__SLASH_diagnostics_caret: |
| 4292 | CaretDefault = true; |
| 4293 | ColumnDefault = true; |
| 4294 | break; |
| 4295 | case options::OPT__SLASH_diagnostics_column: |
| 4296 | CaretDefault = false; |
| 4297 | ColumnDefault = true; |
| 4298 | break; |
| 4299 | case options::OPT__SLASH_diagnostics_classic: |
| 4300 | CaretDefault = false; |
| 4301 | ColumnDefault = false; |
| 4302 | break; |
| 4303 | } |
| 4304 | } |
| 4305 | |
| 4306 | // -fcaret-diagnostics is default. |
| 4307 | if (!Args.hasFlag(Pos: options::OPT_fcaret_diagnostics, |
| 4308 | Neg: options::OPT_fno_caret_diagnostics, Default: CaretDefault)) |
| 4309 | CmdArgs.push_back(Elt: "-fno-caret-diagnostics"); |
| 4310 | |
| 4311 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fdiagnostics_fixit_info, |
| 4312 | Neg: options::OPT_fno_diagnostics_fixit_info); |
| 4313 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fdiagnostics_show_option, |
| 4314 | Neg: options::OPT_fno_diagnostics_show_option); |
| 4315 | |
| 4316 | if (const Arg *A = |
| 4317 | Args.getLastArg(Ids: options::OPT_fdiagnostics_show_category_EQ)) { |
| 4318 | CmdArgs.push_back(Elt: "-fdiagnostics-show-category"); |
| 4319 | CmdArgs.push_back(Elt: A->getValue()); |
| 4320 | } |
| 4321 | |
| 4322 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fdiagnostics_show_hotness, |
| 4323 | Neg: options::OPT_fno_diagnostics_show_hotness); |
| 4324 | |
| 4325 | if (const Arg *A = |
| 4326 | Args.getLastArg(Ids: options::OPT_fdiagnostics_hotness_threshold_EQ)) { |
| 4327 | std::string Opt = |
| 4328 | std::string("-fdiagnostics-hotness-threshold=") + A->getValue(); |
| 4329 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Opt)); |
| 4330 | } |
| 4331 | |
| 4332 | if (const Arg *A = |
| 4333 | Args.getLastArg(Ids: options::OPT_fdiagnostics_misexpect_tolerance_EQ)) { |
| 4334 | std::string Opt = |
| 4335 | std::string("-fdiagnostics-misexpect-tolerance=") + A->getValue(); |
| 4336 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Opt)); |
| 4337 | } |
| 4338 | |
| 4339 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_fdiagnostics_format_EQ)) { |
| 4340 | CmdArgs.push_back(Elt: "-fdiagnostics-format"); |
| 4341 | CmdArgs.push_back(Elt: A->getValue()); |
| 4342 | if (StringRef(A->getValue()) == "sarif"|| |
| 4343 | StringRef(A->getValue()) == "SARIF") |
| 4344 | D.Diag(DiagID: diag::warn_drv_sarif_format_unstable); |
| 4345 | } |
| 4346 | |
| 4347 | if (const Arg *A = Args.getLastArg( |
| 4348 | Ids: options::OPT_fdiagnostics_show_note_include_stack, |
| 4349 | Ids: options::OPT_fno_diagnostics_show_note_include_stack)) { |
| 4350 | const Option &O = A->getOption(); |
| 4351 | if (O.matches(ID: options::OPT_fdiagnostics_show_note_include_stack)) |
| 4352 | CmdArgs.push_back(Elt: "-fdiagnostics-show-note-include-stack"); |
| 4353 | else |
| 4354 | CmdArgs.push_back(Elt: "-fno-diagnostics-show-note-include-stack"); |
| 4355 | } |
| 4356 | |
| 4357 | // Color diagnostics are parsed by the driver directly from argv and later |
| 4358 | // re-parsed to construct this job; claim any possible color diagnostic here |
| 4359 | // to avoid warn_drv_unused_argument and diagnose bad |
| 4360 | // OPT_fdiagnostics_color_EQ values. |
| 4361 | Args.getLastArg(Ids: options::OPT_fcolor_diagnostics, |
| 4362 | Ids: options::OPT_fno_color_diagnostics); |
| 4363 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_fdiagnostics_color_EQ)) { |
| 4364 | StringRef Value(A->getValue()); |
| 4365 | if (Value != "always"&& Value != "never"&& Value != "auto") |
| 4366 | D.Diag(DiagID: diag::err_drv_invalid_argument_to_option) |
| 4367 | << Value << A->getOption().getName(); |
| 4368 | } |
| 4369 | |
| 4370 | if (D.getDiags().getDiagnosticOptions().ShowColors) |
| 4371 | CmdArgs.push_back(Elt: "-fcolor-diagnostics"); |
| 4372 | |
| 4373 | if (Args.hasArg(Ids: options::OPT_fansi_escape_codes)) |
| 4374 | CmdArgs.push_back(Elt: "-fansi-escape-codes"); |
| 4375 | |
| 4376 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fshow_source_location, |
| 4377 | Neg: options::OPT_fno_show_source_location); |
| 4378 | |
| 4379 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fdiagnostics_show_line_numbers, |
| 4380 | Neg: options::OPT_fno_diagnostics_show_line_numbers); |
| 4381 | |
| 4382 | if (Args.hasArg(Ids: options::OPT_fdiagnostics_absolute_paths)) |
| 4383 | CmdArgs.push_back(Elt: "-fdiagnostics-absolute-paths"); |
| 4384 | |
| 4385 | if (!Args.hasFlag(Pos: options::OPT_fshow_column, Neg: options::OPT_fno_show_column, |
| 4386 | Default: ColumnDefault)) |
| 4387 | CmdArgs.push_back(Elt: "-fno-show-column"); |
| 4388 | |
| 4389 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fspell_checking, |
| 4390 | Neg: options::OPT_fno_spell_checking); |
| 4391 | } |
| 4392 | |
| 4393 | DwarfFissionKind tools::getDebugFissionKind(const Driver &D, |
| 4394 | const ArgList &Args, Arg *&Arg) { |
| 4395 | Arg = Args.getLastArg(Ids: options::OPT_gsplit_dwarf, Ids: options::OPT_gsplit_dwarf_EQ, |
| 4396 | Ids: options::OPT_gno_split_dwarf); |
| 4397 | if (!Arg || Arg->getOption().matches(ID: options::OPT_gno_split_dwarf)) |
| 4398 | return DwarfFissionKind::None; |
| 4399 | |
| 4400 | if (Arg->getOption().matches(ID: options::OPT_gsplit_dwarf)) |
| 4401 | return DwarfFissionKind::Split; |
| 4402 | |
| 4403 | StringRef Value = Arg->getValue(); |
| 4404 | if (Value == "split") |
| 4405 | return DwarfFissionKind::Split; |
| 4406 | if (Value == "single") |
| 4407 | return DwarfFissionKind::Single; |
| 4408 | |
| 4409 | D.Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 4410 | << Arg->getSpelling() << Arg->getValue(); |
| 4411 | return DwarfFissionKind::None; |
| 4412 | } |
| 4413 | |
| 4414 | static void renderDwarfFormat(const Driver &D, const llvm::Triple &T, |
| 4415 | const ArgList &Args, ArgStringList &CmdArgs, |
| 4416 | unsigned DwarfVersion) { |
| 4417 | auto *DwarfFormatArg = |
| 4418 | Args.getLastArg(Ids: options::OPT_gdwarf64, Ids: options::OPT_gdwarf32); |
| 4419 | if (!DwarfFormatArg) |
| 4420 | return; |
| 4421 | |
| 4422 | if (DwarfFormatArg->getOption().matches(ID: options::OPT_gdwarf64)) { |
| 4423 | if (DwarfVersion < 3) |
| 4424 | D.Diag(DiagID: diag::err_drv_argument_only_allowed_with) |
| 4425 | << DwarfFormatArg->getAsString(Args) << "DWARFv3 or greater"; |
| 4426 | else if (!T.isArch64Bit()) |
| 4427 | D.Diag(DiagID: diag::err_drv_argument_only_allowed_with) |
| 4428 | << DwarfFormatArg->getAsString(Args) << "64 bit architecture"; |
| 4429 | else if (!T.isOSBinFormatELF()) |
| 4430 | D.Diag(DiagID: diag::err_drv_argument_only_allowed_with) |
| 4431 | << DwarfFormatArg->getAsString(Args) << "ELF platforms"; |
| 4432 | } |
| 4433 | |
| 4434 | DwarfFormatArg->render(Args, Output&: CmdArgs); |
| 4435 | } |
| 4436 | |
| 4437 | static void |
| 4438 | renderDebugOptions(const ToolChain &TC, const Driver &D, const llvm::Triple &T, |
| 4439 | const ArgList &Args, bool IRInput, ArgStringList &CmdArgs, |
| 4440 | const InputInfo &Output, |
| 4441 | llvm::codegenoptions::DebugInfoKind &DebugInfoKind, |
| 4442 | DwarfFissionKind &DwarfFission) { |
| 4443 | if (Args.hasFlag(Pos: options::OPT_fdebug_info_for_profiling, |
| 4444 | Neg: options::OPT_fno_debug_info_for_profiling, Default: false) && |
| 4445 | checkDebugInfoOption( |
| 4446 | A: Args.getLastArg(Ids: options::OPT_fdebug_info_for_profiling), Args, D, TC)) |
| 4447 | CmdArgs.push_back(Elt: "-fdebug-info-for-profiling"); |
| 4448 | |
| 4449 | // The 'g' groups options involve a somewhat intricate sequence of decisions |
| 4450 | // about what to pass from the driver to the frontend, but by the time they |
| 4451 | // reach cc1 they've been factored into three well-defined orthogonal choices: |
| 4452 | // * what level of debug info to generate |
| 4453 | // * what dwarf version to write |
| 4454 | // * what debugger tuning to use |
| 4455 | // This avoids having to monkey around further in cc1 other than to disable |
| 4456 | // codeview if not running in a Windows environment. Perhaps even that |
| 4457 | // decision should be made in the driver as well though. |
| 4458 | llvm::DebuggerKind DebuggerTuning = TC.getDefaultDebuggerTuning(); |
| 4459 | |
| 4460 | bool SplitDWARFInlining = |
| 4461 | Args.hasFlag(Pos: options::OPT_fsplit_dwarf_inlining, |
| 4462 | Neg: options::OPT_fno_split_dwarf_inlining, Default: false); |
| 4463 | |
| 4464 | // Normally -gsplit-dwarf is only useful with -gN. For IR input, Clang does |
| 4465 | // object file generation and no IR generation, -gN should not be needed. So |
| 4466 | // allow -gsplit-dwarf with either -gN or IR input. |
| 4467 | if (IRInput || Args.hasArg(Ids: options::OPT_g_Group)) { |
| 4468 | Arg *SplitDWARFArg; |
| 4469 | DwarfFission = getDebugFissionKind(D, Args, Arg&: SplitDWARFArg); |
| 4470 | if (DwarfFission != DwarfFissionKind::None && |
| 4471 | !checkDebugInfoOption(A: SplitDWARFArg, Args, D, TC)) { |
| 4472 | DwarfFission = DwarfFissionKind::None; |
| 4473 | SplitDWARFInlining = false; |
| 4474 | } |
| 4475 | } |
| 4476 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_g_Group)) { |
| 4477 | DebugInfoKind = llvm::codegenoptions::DebugInfoConstructor; |
| 4478 | |
| 4479 | // If the last option explicitly specified a debug-info level, use it. |
| 4480 | if (checkDebugInfoOption(A, Args, D, TC) && |
| 4481 | A->getOption().matches(ID: options::OPT_gN_Group)) { |
| 4482 | DebugInfoKind = debugLevelToInfoKind(A: *A); |
| 4483 | // For -g0 or -gline-tables-only, drop -gsplit-dwarf. This gets a bit more |
| 4484 | // complicated if you've disabled inline info in the skeleton CUs |
| 4485 | // (SplitDWARFInlining) - then there's value in composing split-dwarf and |
| 4486 | // line-tables-only, so let those compose naturally in that case. |
| 4487 | if (DebugInfoKind == llvm::codegenoptions::NoDebugInfo || |
| 4488 | DebugInfoKind == llvm::codegenoptions::DebugDirectivesOnly || |
| 4489 | (DebugInfoKind == llvm::codegenoptions::DebugLineTablesOnly && |
| 4490 | SplitDWARFInlining)) |
| 4491 | DwarfFission = DwarfFissionKind::None; |
| 4492 | } |
| 4493 | } |
| 4494 | |
| 4495 | // If a debugger tuning argument appeared, remember it. |
| 4496 | bool HasDebuggerTuning = false; |
| 4497 | if (const Arg *A = |
| 4498 | Args.getLastArg(Ids: options::OPT_gTune_Group, Ids: options::OPT_ggdbN_Group)) { |
| 4499 | HasDebuggerTuning = true; |
| 4500 | if (checkDebugInfoOption(A, Args, D, TC)) { |
| 4501 | if (A->getOption().matches(ID: options::OPT_glldb)) |
| 4502 | DebuggerTuning = llvm::DebuggerKind::LLDB; |
| 4503 | else if (A->getOption().matches(ID: options::OPT_gsce)) |
| 4504 | DebuggerTuning = llvm::DebuggerKind::SCE; |
| 4505 | else if (A->getOption().matches(ID: options::OPT_gdbx)) |
| 4506 | DebuggerTuning = llvm::DebuggerKind::DBX; |
| 4507 | else |
| 4508 | DebuggerTuning = llvm::DebuggerKind::GDB; |
| 4509 | } |
| 4510 | } |
| 4511 | |
| 4512 | // If a -gdwarf argument appeared, remember it. |
| 4513 | bool EmitDwarf = false; |
| 4514 | if (const Arg *A = getDwarfNArg(Args)) |
| 4515 | EmitDwarf = checkDebugInfoOption(A, Args, D, TC); |
| 4516 | |
| 4517 | bool EmitCodeView = false; |
| 4518 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_gcodeview)) |
| 4519 | EmitCodeView = checkDebugInfoOption(A, Args, D, TC); |
| 4520 | |
| 4521 | // If the user asked for debug info but did not explicitly specify -gcodeview |
| 4522 | // or -gdwarf, ask the toolchain for the default format. |
| 4523 | if (!EmitCodeView && !EmitDwarf && |
| 4524 | DebugInfoKind != llvm::codegenoptions::NoDebugInfo) { |
| 4525 | switch (TC.getDefaultDebugFormat()) { |
| 4526 | case llvm::codegenoptions::DIF_CodeView: |
| 4527 | EmitCodeView = true; |
| 4528 | break; |
| 4529 | case llvm::codegenoptions::DIF_DWARF: |
| 4530 | EmitDwarf = true; |
| 4531 | break; |
| 4532 | } |
| 4533 | } |
| 4534 | |
| 4535 | unsigned RequestedDWARFVersion = 0; // DWARF version requested by the user |
| 4536 | unsigned EffectiveDWARFVersion = 0; // DWARF version TC can generate. It may |
| 4537 | // be lower than what the user wanted. |
| 4538 | if (EmitDwarf) { |
| 4539 | RequestedDWARFVersion = getDwarfVersion(TC, Args); |
| 4540 | // Clamp effective DWARF version to the max supported by the toolchain. |
| 4541 | EffectiveDWARFVersion = |
| 4542 | std::min(a: RequestedDWARFVersion, b: TC.getMaxDwarfVersion()); |
| 4543 | } else { |
| 4544 | Args.ClaimAllArgs(Id0: options::OPT_fdebug_default_version); |
| 4545 | } |
| 4546 | |
| 4547 | // -gline-directives-only supported only for the DWARF debug info. |
| 4548 | if (RequestedDWARFVersion == 0 && |
| 4549 | DebugInfoKind == llvm::codegenoptions::DebugDirectivesOnly) |
| 4550 | DebugInfoKind = llvm::codegenoptions::NoDebugInfo; |
| 4551 | |
| 4552 | // strict DWARF is set to false by default. But for DBX, we need it to be set |
| 4553 | // as true by default. |
| 4554 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_gstrict_dwarf)) |
| 4555 | (void)checkDebugInfoOption(A, Args, D, TC); |
| 4556 | if (Args.hasFlag(Pos: options::OPT_gstrict_dwarf, Neg: options::OPT_gno_strict_dwarf, |
| 4557 | Default: DebuggerTuning == llvm::DebuggerKind::DBX)) |
| 4558 | CmdArgs.push_back(Elt: "-gstrict-dwarf"); |
| 4559 | |
| 4560 | // And we handle flag -grecord-gcc-switches later with DWARFDebugFlags. |
| 4561 | Args.ClaimAllArgs(Id0: options::OPT_g_flags_Group); |
| 4562 | |
| 4563 | // Column info is included by default for everything except SCE and |
| 4564 | // CodeView. Clang doesn't track end columns, just starting columns, which, |
| 4565 | // in theory, is fine for CodeView (and PDB). In practice, however, the |
| 4566 | // Microsoft debuggers don't handle missing end columns well, and the AIX |
| 4567 | // debugger DBX also doesn't handle the columns well, so it's better not to |
| 4568 | // include any column info. |
| 4569 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_gcolumn_info)) |
| 4570 | (void)checkDebugInfoOption(A, Args, D, TC); |
| 4571 | if (!Args.hasFlag(Pos: options::OPT_gcolumn_info, Neg: options::OPT_gno_column_info, |
| 4572 | Default: !EmitCodeView && |
| 4573 | (DebuggerTuning != llvm::DebuggerKind::SCE && |
| 4574 | DebuggerTuning != llvm::DebuggerKind::DBX))) |
| 4575 | CmdArgs.push_back(Elt: "-gno-column-info"); |
| 4576 | |
| 4577 | // FIXME: Move backend command line options to the module. |
| 4578 | if (Args.hasFlag(Pos: options::OPT_gmodules, Neg: options::OPT_gno_modules, Default: false)) { |
| 4579 | // If -gline-tables-only or -gline-directives-only is the last option it |
| 4580 | // wins. |
| 4581 | if (checkDebugInfoOption(A: Args.getLastArg(Ids: options::OPT_gmodules), Args, D, |
| 4582 | TC)) { |
| 4583 | if (DebugInfoKind != llvm::codegenoptions::DebugLineTablesOnly && |
| 4584 | DebugInfoKind != llvm::codegenoptions::DebugDirectivesOnly) { |
| 4585 | DebugInfoKind = llvm::codegenoptions::DebugInfoConstructor; |
| 4586 | CmdArgs.push_back(Elt: "-dwarf-ext-refs"); |
| 4587 | CmdArgs.push_back(Elt: "-fmodule-format=obj"); |
| 4588 | } |
| 4589 | } |
| 4590 | } |
| 4591 | |
| 4592 | if (T.isOSBinFormatELF() && SplitDWARFInlining) |
| 4593 | CmdArgs.push_back(Elt: "-fsplit-dwarf-inlining"); |
| 4594 | |
| 4595 | // After we've dealt with all combinations of things that could |
| 4596 | // make DebugInfoKind be other than None or DebugLineTablesOnly, |
| 4597 | // figure out if we need to "upgrade" it to standalone debug info. |
| 4598 | // We parse these two '-f' options whether or not they will be used, |
| 4599 | // to claim them even if you wrote "-fstandalone-debug -gline-tables-only" |
| 4600 | bool NeedFullDebug = Args.hasFlag( |
| 4601 | Pos: options::OPT_fstandalone_debug, Neg: options::OPT_fno_standalone_debug, |
| 4602 | Default: DebuggerTuning == llvm::DebuggerKind::LLDB || |
| 4603 | TC.GetDefaultStandaloneDebug()); |
| 4604 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_fstandalone_debug)) |
| 4605 | (void)checkDebugInfoOption(A, Args, D, TC); |
| 4606 | |
| 4607 | if (DebugInfoKind == llvm::codegenoptions::LimitedDebugInfo || |
| 4608 | DebugInfoKind == llvm::codegenoptions::DebugInfoConstructor) { |
| 4609 | if (Args.hasFlag(Pos: options::OPT_fno_eliminate_unused_debug_types, |
| 4610 | Neg: options::OPT_feliminate_unused_debug_types, Default: false)) |
| 4611 | DebugInfoKind = llvm::codegenoptions::UnusedTypeInfo; |
| 4612 | else if (NeedFullDebug) |
| 4613 | DebugInfoKind = llvm::codegenoptions::FullDebugInfo; |
| 4614 | } |
| 4615 | |
| 4616 | if (Args.hasFlag(Pos: options::OPT_gembed_source, Neg: options::OPT_gno_embed_source, |
| 4617 | Default: false)) { |
| 4618 | // Source embedding is a vendor extension to DWARF v5. By now we have |
| 4619 | // checked if a DWARF version was stated explicitly, and have otherwise |
| 4620 | // fallen back to the target default, so if this is still not at least 5 |
| 4621 | // we emit an error. |
| 4622 | const Arg *A = Args.getLastArg(Ids: options::OPT_gembed_source); |
| 4623 | if (RequestedDWARFVersion < 5) |
| 4624 | D.Diag(DiagID: diag::err_drv_argument_only_allowed_with) |
| 4625 | << A->getAsString(Args) << "-gdwarf-5"; |
| 4626 | else if (EffectiveDWARFVersion < 5) |
| 4627 | // The toolchain has reduced allowed dwarf version, so we can't enable |
| 4628 | // -gembed-source. |
| 4629 | D.Diag(DiagID: diag::warn_drv_dwarf_version_limited_by_target) |
| 4630 | << A->getAsString(Args) << TC.getTripleString() << 5 |
| 4631 | << EffectiveDWARFVersion; |
| 4632 | else if (checkDebugInfoOption(A, Args, D, TC)) |
| 4633 | CmdArgs.push_back(Elt: "-gembed-source"); |
| 4634 | } |
| 4635 | |
| 4636 | if (EmitCodeView) { |
| 4637 | CmdArgs.push_back(Elt: "-gcodeview"); |
| 4638 | |
| 4639 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_gcodeview_ghash, |
| 4640 | Neg: options::OPT_gno_codeview_ghash); |
| 4641 | |
| 4642 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_gcodeview_command_line, |
| 4643 | Neg: options::OPT_gno_codeview_command_line); |
| 4644 | } |
| 4645 | |
| 4646 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_ginline_line_tables, |
| 4647 | Neg: options::OPT_gno_inline_line_tables); |
| 4648 | |
| 4649 | // When emitting remarks, we need at least debug lines in the output. |
| 4650 | if (willEmitRemarks(Args) && |
| 4651 | DebugInfoKind <= llvm::codegenoptions::DebugDirectivesOnly) |
| 4652 | DebugInfoKind = llvm::codegenoptions::DebugLineTablesOnly; |
| 4653 | |
| 4654 | // Adjust the debug info kind for the given toolchain. |
| 4655 | TC.adjustDebugInfoKind(DebugInfoKind, Args); |
| 4656 | |
| 4657 | // On AIX, the debugger tuning option can be omitted if it is not explicitly |
| 4658 | // set. |
| 4659 | RenderDebugEnablingArgs(Args, CmdArgs, DebugInfoKind, DwarfVersion: EffectiveDWARFVersion, |
| 4660 | DebuggerTuning: T.isOSAIX() && !HasDebuggerTuning |
| 4661 | ? llvm::DebuggerKind::Default |
| 4662 | : DebuggerTuning); |
| 4663 | |
| 4664 | // -fdebug-macro turns on macro debug info generation. |
| 4665 | if (Args.hasFlag(Pos: options::OPT_fdebug_macro, Neg: options::OPT_fno_debug_macro, |
| 4666 | Default: false)) |
| 4667 | if (checkDebugInfoOption(A: Args.getLastArg(Ids: options::OPT_fdebug_macro), Args, |
| 4668 | D, TC)) |
| 4669 | CmdArgs.push_back(Elt: "-debug-info-macro"); |
| 4670 | |
| 4671 | // -ggnu-pubnames turns on gnu style pubnames in the backend. |
| 4672 | const auto *PubnamesArg = |
| 4673 | Args.getLastArg(Ids: options::OPT_ggnu_pubnames, Ids: options::OPT_gno_gnu_pubnames, |
| 4674 | Ids: options::OPT_gpubnames, Ids: options::OPT_gno_pubnames); |
| 4675 | if (DwarfFission != DwarfFissionKind::None || |
| 4676 | (PubnamesArg && checkDebugInfoOption(A: PubnamesArg, Args, D, TC))) { |
| 4677 | const bool OptionSet = |
| 4678 | (PubnamesArg && |
| 4679 | (PubnamesArg->getOption().matches(ID: options::OPT_gpubnames) || |
| 4680 | PubnamesArg->getOption().matches(ID: options::OPT_ggnu_pubnames))); |
| 4681 | if ((DebuggerTuning != llvm::DebuggerKind::LLDB || OptionSet) && |
| 4682 | (!PubnamesArg || |
| 4683 | (!PubnamesArg->getOption().matches(ID: options::OPT_gno_gnu_pubnames) && |
| 4684 | !PubnamesArg->getOption().matches(ID: options::OPT_gno_pubnames)))) |
| 4685 | CmdArgs.push_back(Elt: PubnamesArg && PubnamesArg->getOption().matches( |
| 4686 | ID: options::OPT_gpubnames) |
| 4687 | ? "-gpubnames" |
| 4688 | : "-ggnu-pubnames"); |
| 4689 | } |
| 4690 | const auto *SimpleTemplateNamesArg = |
| 4691 | Args.getLastArg(Ids: options::OPT_gsimple_template_names, |
| 4692 | Ids: options::OPT_gno_simple_template_names); |
| 4693 | bool ForwardTemplateParams = DebuggerTuning == llvm::DebuggerKind::SCE; |
| 4694 | if (SimpleTemplateNamesArg && |
| 4695 | checkDebugInfoOption(A: SimpleTemplateNamesArg, Args, D, TC)) { |
| 4696 | const auto &Opt = SimpleTemplateNamesArg->getOption(); |
| 4697 | if (Opt.matches(ID: options::OPT_gsimple_template_names)) { |
| 4698 | ForwardTemplateParams = true; |
| 4699 | CmdArgs.push_back(Elt: "-gsimple-template-names=simple"); |
| 4700 | } |
| 4701 | } |
| 4702 | |
| 4703 | // Emit DW_TAG_template_alias for template aliases? True by default for SCE. |
| 4704 | bool UseDebugTemplateAlias = |
| 4705 | DebuggerTuning == llvm::DebuggerKind::SCE && RequestedDWARFVersion >= 4; |
| 4706 | if (const auto *DebugTemplateAlias = Args.getLastArg( |
| 4707 | Ids: options::OPT_gtemplate_alias, Ids: options::OPT_gno_template_alias)) { |
| 4708 | // DW_TAG_template_alias is only supported from DWARFv5 but if a user |
| 4709 | // asks for it we should let them have it (if the target supports it). |
| 4710 | if (checkDebugInfoOption(A: DebugTemplateAlias, Args, D, TC)) { |
| 4711 | const auto &Opt = DebugTemplateAlias->getOption(); |
| 4712 | UseDebugTemplateAlias = Opt.matches(ID: options::OPT_gtemplate_alias); |
| 4713 | } |
| 4714 | } |
| 4715 | if (UseDebugTemplateAlias) |
| 4716 | CmdArgs.push_back(Elt: "-gtemplate-alias"); |
| 4717 | |
| 4718 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_gsrc_hash_EQ)) { |
| 4719 | StringRef v = A->getValue(); |
| 4720 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-gsrc-hash="+ v)); |
| 4721 | } |
| 4722 | |
| 4723 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fdebug_ranges_base_address, |
| 4724 | Neg: options::OPT_fno_debug_ranges_base_address); |
| 4725 | |
| 4726 | // -gdwarf-aranges turns on the emission of the aranges section in the |
| 4727 | // backend. |
| 4728 | // Always enabled for SCE tuning. |
| 4729 | bool NeedAranges = DebuggerTuning == llvm::DebuggerKind::SCE; |
| 4730 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_gdwarf_aranges)) |
| 4731 | NeedAranges = checkDebugInfoOption(A, Args, D, TC) || NeedAranges; |
| 4732 | if (NeedAranges) { |
| 4733 | CmdArgs.push_back(Elt: "-mllvm"); |
| 4734 | CmdArgs.push_back(Elt: "-generate-arange-section"); |
| 4735 | } |
| 4736 | |
| 4737 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fforce_dwarf_frame, |
| 4738 | Neg: options::OPT_fno_force_dwarf_frame); |
| 4739 | |
| 4740 | bool EnableTypeUnits = false; |
| 4741 | if (Args.hasFlag(Pos: options::OPT_fdebug_types_section, |
| 4742 | Neg: options::OPT_fno_debug_types_section, Default: false)) { |
| 4743 | if (!(T.isOSBinFormatELF() || T.isOSBinFormatWasm())) { |
| 4744 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 4745 | << Args.getLastArg(Ids: options::OPT_fdebug_types_section) |
| 4746 | ->getAsString(Args) |
| 4747 | << T.getTriple(); |
| 4748 | } else if (checkDebugInfoOption( |
| 4749 | A: Args.getLastArg(Ids: options::OPT_fdebug_types_section), Args, D, |
| 4750 | TC)) { |
| 4751 | EnableTypeUnits = true; |
| 4752 | CmdArgs.push_back(Elt: "-mllvm"); |
| 4753 | CmdArgs.push_back(Elt: "-generate-type-units"); |
| 4754 | } |
| 4755 | } |
| 4756 | |
| 4757 | if (const Arg *A = |
| 4758 | Args.getLastArg(Ids: options::OPT_gomit_unreferenced_methods, |
| 4759 | Ids: options::OPT_gno_omit_unreferenced_methods)) |
| 4760 | (void)checkDebugInfoOption(A, Args, D, TC); |
| 4761 | if (Args.hasFlag(Pos: options::OPT_gomit_unreferenced_methods, |
| 4762 | Neg: options::OPT_gno_omit_unreferenced_methods, Default: false) && |
| 4763 | (DebugInfoKind == llvm::codegenoptions::DebugInfoConstructor || |
| 4764 | DebugInfoKind == llvm::codegenoptions::LimitedDebugInfo) && |
| 4765 | !EnableTypeUnits) { |
| 4766 | CmdArgs.push_back(Elt: "-gomit-unreferenced-methods"); |
| 4767 | } |
| 4768 | |
| 4769 | // To avoid join/split of directory+filename, the integrated assembler prefers |
| 4770 | // the directory form of .file on all DWARF versions. GNU as doesn't allow the |
| 4771 | // form before DWARF v5. |
| 4772 | if (!Args.hasFlag(Pos: options::OPT_fdwarf_directory_asm, |
| 4773 | Neg: options::OPT_fno_dwarf_directory_asm, |
| 4774 | Default: TC.useIntegratedAs() || EffectiveDWARFVersion >= 5)) |
| 4775 | CmdArgs.push_back(Elt: "-fno-dwarf-directory-asm"); |
| 4776 | |
| 4777 | // Decide how to render forward declarations of template instantiations. |
| 4778 | // SCE wants full descriptions, others just get them in the name. |
| 4779 | if (ForwardTemplateParams) |
| 4780 | CmdArgs.push_back(Elt: "-debug-forward-template-params"); |
| 4781 | |
| 4782 | // Do we need to explicitly import anonymous namespaces into the parent |
| 4783 | // scope? |
| 4784 | if (DebuggerTuning == llvm::DebuggerKind::SCE) |
| 4785 | CmdArgs.push_back(Elt: "-dwarf-explicit-import"); |
| 4786 | |
| 4787 | renderDwarfFormat(D, T, Args, CmdArgs, DwarfVersion: EffectiveDWARFVersion); |
| 4788 | RenderDebugInfoCompressionArgs(Args, CmdArgs, D, TC); |
| 4789 | |
| 4790 | // This controls whether or not we perform JustMyCode instrumentation. |
| 4791 | if (Args.hasFlag(Pos: options::OPT_fjmc, Neg: options::OPT_fno_jmc, Default: false)) { |
| 4792 | if (TC.getTriple().isOSBinFormatELF() || D.IsCLMode()) { |
| 4793 | if (DebugInfoKind >= llvm::codegenoptions::DebugInfoConstructor) |
| 4794 | CmdArgs.push_back(Elt: "-fjmc"); |
| 4795 | else if (D.IsCLMode()) |
| 4796 | D.Diag(DiagID: clang::diag::warn_drv_jmc_requires_debuginfo) << "/JMC" |
| 4797 | << "'/Zi', '/Z7'"; |
| 4798 | else |
| 4799 | D.Diag(DiagID: clang::diag::warn_drv_jmc_requires_debuginfo) << "-fjmc" |
| 4800 | << "-g"; |
| 4801 | } else { |
| 4802 | D.Diag(DiagID: clang::diag::warn_drv_fjmc_for_elf_only); |
| 4803 | } |
| 4804 | } |
| 4805 | |
| 4806 | // Add in -fdebug-compilation-dir if necessary. |
| 4807 | const char *DebugCompilationDir = |
| 4808 | addDebugCompDirArg(Args, CmdArgs, VFS: D.getVFS()); |
| 4809 | |
| 4810 | addDebugPrefixMapArg(D, TC, Args, CmdArgs); |
| 4811 | |
| 4812 | // Add the output path to the object file for CodeView debug infos. |
| 4813 | if (EmitCodeView && Output.isFilename()) |
| 4814 | addDebugObjectName(Args, CmdArgs, DebugCompilationDir, |
| 4815 | OutputFileName: Output.getFilename()); |
| 4816 | } |
| 4817 | |
| 4818 | static void ProcessVSRuntimeLibrary(const ToolChain &TC, const ArgList &Args, |
| 4819 | ArgStringList &CmdArgs) { |
| 4820 | unsigned RTOptionID = options::OPT__SLASH_MT; |
| 4821 | |
| 4822 | if (Args.hasArg(Ids: options::OPT__SLASH_LDd)) |
| 4823 | // The /LDd option implies /MTd. The dependent lib part can be overridden, |
| 4824 | // but defining _DEBUG is sticky. |
| 4825 | RTOptionID = options::OPT__SLASH_MTd; |
| 4826 | |
| 4827 | if (Arg *A = Args.getLastArg(Ids: options::OPT__SLASH_M_Group)) |
| 4828 | RTOptionID = A->getOption().getID(); |
| 4829 | |
| 4830 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fms_runtime_lib_EQ)) { |
| 4831 | RTOptionID = llvm::StringSwitch<unsigned>(A->getValue()) |
| 4832 | .Case(S: "static", Value: options::OPT__SLASH_MT) |
| 4833 | .Case(S: "static_dbg", Value: options::OPT__SLASH_MTd) |
| 4834 | .Case(S: "dll", Value: options::OPT__SLASH_MD) |
| 4835 | .Case(S: "dll_dbg", Value: options::OPT__SLASH_MDd) |
| 4836 | .Default(Value: options::OPT__SLASH_MT); |
| 4837 | } |
| 4838 | |
| 4839 | StringRef FlagForCRT; |
| 4840 | switch (RTOptionID) { |
| 4841 | case options::OPT__SLASH_MD: |
| 4842 | if (Args.hasArg(Ids: options::OPT__SLASH_LDd)) |
| 4843 | CmdArgs.push_back(Elt: "-D_DEBUG"); |
| 4844 | CmdArgs.push_back(Elt: "-D_MT"); |
| 4845 | CmdArgs.push_back(Elt: "-D_DLL"); |
| 4846 | FlagForCRT = "--dependent-lib=msvcrt"; |
| 4847 | break; |
| 4848 | case options::OPT__SLASH_MDd: |
| 4849 | CmdArgs.push_back(Elt: "-D_DEBUG"); |
| 4850 | CmdArgs.push_back(Elt: "-D_MT"); |
| 4851 | CmdArgs.push_back(Elt: "-D_DLL"); |
| 4852 | FlagForCRT = "--dependent-lib=msvcrtd"; |
| 4853 | break; |
| 4854 | case options::OPT__SLASH_MT: |
| 4855 | if (Args.hasArg(Ids: options::OPT__SLASH_LDd)) |
| 4856 | CmdArgs.push_back(Elt: "-D_DEBUG"); |
| 4857 | CmdArgs.push_back(Elt: "-D_MT"); |
| 4858 | CmdArgs.push_back(Elt: "-flto-visibility-public-std"); |
| 4859 | FlagForCRT = "--dependent-lib=libcmt"; |
| 4860 | break; |
| 4861 | case options::OPT__SLASH_MTd: |
| 4862 | CmdArgs.push_back(Elt: "-D_DEBUG"); |
| 4863 | CmdArgs.push_back(Elt: "-D_MT"); |
| 4864 | CmdArgs.push_back(Elt: "-flto-visibility-public-std"); |
| 4865 | FlagForCRT = "--dependent-lib=libcmtd"; |
| 4866 | break; |
| 4867 | default: |
| 4868 | llvm_unreachable("Unexpected option ID."); |
| 4869 | } |
| 4870 | |
| 4871 | if (Args.hasArg(Ids: options::OPT_fms_omit_default_lib)) { |
| 4872 | CmdArgs.push_back(Elt: "-D_VC_NODEFAULTLIB"); |
| 4873 | } else { |
| 4874 | CmdArgs.push_back(Elt: FlagForCRT.data()); |
| 4875 | |
| 4876 | // This provides POSIX compatibility (maps 'open' to '_open'), which most |
| 4877 | // users want. The /Za flag to cl.exe turns this off, but it's not |
| 4878 | // implemented in clang. |
| 4879 | CmdArgs.push_back(Elt: "--dependent-lib=oldnames"); |
| 4880 | } |
| 4881 | |
| 4882 | // All Arm64EC object files implicitly add softintrin.lib. This is necessary |
| 4883 | // even if the file doesn't actually refer to any of the routines because |
| 4884 | // the CRT itself has incomplete dependency markings. |
| 4885 | if (TC.getTriple().isWindowsArm64EC()) |
| 4886 | CmdArgs.push_back(Elt: "--dependent-lib=softintrin"); |
| 4887 | } |
| 4888 | |
| 4889 | void Clang::ConstructJob(Compilation &C, const JobAction &JA, |
| 4890 | const InputInfo &Output, const InputInfoList &Inputs, |
| 4891 | const ArgList &Args, const char *LinkingOutput) const { |
| 4892 | const auto &TC = getToolChain(); |
| 4893 | const llvm::Triple &RawTriple = TC.getTriple(); |
| 4894 | const llvm::Triple &Triple = TC.getEffectiveTriple(); |
| 4895 | const std::string &TripleStr = Triple.getTriple(); |
| 4896 | |
| 4897 | bool KernelOrKext = |
| 4898 | Args.hasArg(Ids: options::OPT_mkernel, Ids: options::OPT_fapple_kext); |
| 4899 | const Driver &D = TC.getDriver(); |
| 4900 | ArgStringList CmdArgs; |
| 4901 | |
| 4902 | assert(Inputs.size() >= 1 && "Must have at least one input."); |
| 4903 | // CUDA/HIP compilation may have multiple inputs (source file + results of |
| 4904 | // device-side compilations). OpenMP device jobs also take the host IR as a |
| 4905 | // second input. Module precompilation accepts a list of header files to |
| 4906 | // include as part of the module. API extraction accepts a list of header |
| 4907 | // files whose API information is emitted in the output. All other jobs are |
| 4908 | // expected to have exactly one input. |
| 4909 | bool IsCuda = JA.isOffloading(OKind: Action::OFK_Cuda); |
| 4910 | bool IsCudaDevice = JA.isDeviceOffloading(OKind: Action::OFK_Cuda); |
| 4911 | bool IsHIP = JA.isOffloading(OKind: Action::OFK_HIP); |
| 4912 | bool IsHIPDevice = JA.isDeviceOffloading(OKind: Action::OFK_HIP); |
| 4913 | bool IsOpenMPDevice = JA.isDeviceOffloading(OKind: Action::OFK_OpenMP); |
| 4914 | bool IsExtractAPI = isa<ExtractAPIJobAction>(Val: JA); |
| 4915 | bool IsDeviceOffloadAction = !(JA.isDeviceOffloading(OKind: Action::OFK_None) || |
| 4916 | JA.isDeviceOffloading(OKind: Action::OFK_Host)); |
| 4917 | bool IsHostOffloadingAction = |
| 4918 | JA.isHostOffloading(OKind: Action::OFK_OpenMP) || |
| 4919 | (JA.isHostOffloading(OKind: C.getActiveOffloadKinds()) && |
| 4920 | Args.hasFlag(Pos: options::OPT_offload_new_driver, |
| 4921 | Neg: options::OPT_no_offload_new_driver, Default: false)); |
| 4922 | |
| 4923 | bool IsRDCMode = |
| 4924 | Args.hasFlag(Pos: options::OPT_fgpu_rdc, Neg: options::OPT_fno_gpu_rdc, Default: false); |
| 4925 | bool IsUsingLTO = D.isUsingLTO(IsOffload: IsDeviceOffloadAction); |
| 4926 | auto LTOMode = D.getLTOMode(IsOffload: IsDeviceOffloadAction); |
| 4927 | |
| 4928 | // Extract API doesn't have a main input file, so invent a fake one as a |
| 4929 | // placeholder. |
| 4930 | InputInfo ExtractAPIPlaceholderInput(Inputs[0].getType(), "extract-api", |
| 4931 | "extract-api"); |
| 4932 | |
| 4933 | const InputInfo &Input = |
| 4934 | IsExtractAPI ? ExtractAPIPlaceholderInput : Inputs[0]; |
| 4935 | |
| 4936 | InputInfoList ExtractAPIInputs; |
| 4937 | InputInfoList HostOffloadingInputs; |
| 4938 | const InputInfo *CudaDeviceInput = nullptr; |
| 4939 | const InputInfo *OpenMPDeviceInput = nullptr; |
| 4940 | for (const InputInfo &I : Inputs) { |
| 4941 | if (&I == &Input || I.getType() == types::TY_Nothing) { |
| 4942 | // This is the primary input or contains nothing. |
| 4943 | } else if (IsExtractAPI) { |
| 4944 | auto ExpectedInputType = ExtractAPIPlaceholderInput.getType(); |
| 4945 | if (I.getType() != ExpectedInputType) { |
| 4946 | D.Diag(DiagID: diag::err_drv_extract_api_wrong_kind) |
| 4947 | << I.getFilename() << types::getTypeName(Id: I.getType()) |
| 4948 | << types::getTypeName(Id: ExpectedInputType); |
| 4949 | } |
| 4950 | ExtractAPIInputs.push_back(Elt: I); |
| 4951 | } else if (IsHostOffloadingAction) { |
| 4952 | HostOffloadingInputs.push_back(Elt: I); |
| 4953 | } else if ((IsCuda || IsHIP) && !CudaDeviceInput) { |
| 4954 | CudaDeviceInput = &I; |
| 4955 | } else if (IsOpenMPDevice && !OpenMPDeviceInput) { |
| 4956 | OpenMPDeviceInput = &I; |
| 4957 | } else { |
| 4958 | llvm_unreachable("unexpectedly given multiple inputs"); |
| 4959 | } |
| 4960 | } |
| 4961 | |
| 4962 | const llvm::Triple *AuxTriple = |
| 4963 | (IsCuda || IsHIP) ? TC.getAuxTriple() : nullptr; |
| 4964 | bool IsWindowsMSVC = RawTriple.isWindowsMSVCEnvironment(); |
| 4965 | bool IsIAMCU = RawTriple.isOSIAMCU(); |
| 4966 | |
| 4967 | // Adjust IsWindowsXYZ for CUDA/HIP compilations. Even when compiling in |
| 4968 | // device mode (i.e., getToolchain().getTriple() is NVPTX/AMDGCN, not |
| 4969 | // Windows), we need to pass Windows-specific flags to cc1. |
| 4970 | if (IsCuda || IsHIP) |
| 4971 | IsWindowsMSVC |= AuxTriple && AuxTriple->isWindowsMSVCEnvironment(); |
| 4972 | |
| 4973 | // C++ is not supported for IAMCU. |
| 4974 | if (IsIAMCU && types::isCXX(Id: Input.getType())) |
| 4975 | D.Diag(DiagID: diag::err_drv_clang_unsupported) << "C++ for IAMCU"; |
| 4976 | |
| 4977 | // Invoke ourselves in -cc1 mode. |
| 4978 | // |
| 4979 | // FIXME: Implement custom jobs for internal actions. |
| 4980 | CmdArgs.push_back(Elt: "-cc1"); |
| 4981 | |
| 4982 | // Add the "effective" target triple. |
| 4983 | CmdArgs.push_back(Elt: "-triple"); |
| 4984 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: TripleStr)); |
| 4985 | |
| 4986 | if (const Arg *MJ = Args.getLastArg(Ids: options::OPT_MJ)) { |
| 4987 | DumpCompilationDatabase(C, Filename: MJ->getValue(), Target: TripleStr, Output, Input, Args); |
| 4988 | Args.ClaimAllArgs(Id0: options::OPT_MJ); |
| 4989 | } else if (const Arg *GenCDBFragment = |
| 4990 | Args.getLastArg(Ids: options::OPT_gen_cdb_fragment_path)) { |
| 4991 | DumpCompilationDatabaseFragmentToDir(Dir: GenCDBFragment->getValue(), C, |
| 4992 | Target: TripleStr, Output, Input, Args); |
| 4993 | Args.ClaimAllArgs(Id0: options::OPT_gen_cdb_fragment_path); |
| 4994 | } |
| 4995 | |
| 4996 | if (IsCuda || IsHIP) { |
| 4997 | // We have to pass the triple of the host if compiling for a CUDA/HIP device |
| 4998 | // and vice-versa. |
| 4999 | std::string NormalizedTriple; |
| 5000 | if (JA.isDeviceOffloading(OKind: Action::OFK_Cuda) || |
| 5001 | JA.isDeviceOffloading(OKind: Action::OFK_HIP)) |
| 5002 | NormalizedTriple = C.getSingleOffloadToolChain<Action::OFK_Host>() |
| 5003 | ->getTriple() |
| 5004 | .normalize(); |
| 5005 | else { |
| 5006 | // Host-side compilation. |
| 5007 | NormalizedTriple = |
| 5008 | (IsCuda ? C.getSingleOffloadToolChain<Action::OFK_Cuda>() |
| 5009 | : C.getSingleOffloadToolChain<Action::OFK_HIP>()) |
| 5010 | ->getTriple() |
| 5011 | .normalize(); |
| 5012 | if (IsCuda) { |
| 5013 | // We need to figure out which CUDA version we're compiling for, as that |
| 5014 | // determines how we load and launch GPU kernels. |
| 5015 | auto *CTC = static_cast<const toolchains::CudaToolChain *>( |
| 5016 | C.getSingleOffloadToolChain<Action::OFK_Cuda>()); |
| 5017 | assert(CTC && "Expected valid CUDA Toolchain."); |
| 5018 | if (CTC && CTC->CudaInstallation.version() != CudaVersion::UNKNOWN) |
| 5019 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 5020 | Str: Twine("-target-sdk-version=") + |
| 5021 | CudaVersionToString(V: CTC->CudaInstallation.version()))); |
| 5022 | // Unsized function arguments used for variadics were introduced in |
| 5023 | // CUDA-9.0. We still do not support generating code that actually uses |
| 5024 | // variadic arguments yet, but we do need to allow parsing them as |
| 5025 | // recent CUDA headers rely on that. |
| 5026 | // https://github.com/llvm/llvm-project/issues/58410 |
| 5027 | if (CTC->CudaInstallation.version() >= CudaVersion::CUDA_90) |
| 5028 | CmdArgs.push_back(Elt: "-fcuda-allow-variadic-functions"); |
| 5029 | } |
| 5030 | } |
| 5031 | CmdArgs.push_back(Elt: "-aux-triple"); |
| 5032 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: NormalizedTriple)); |
| 5033 | |
| 5034 | if (JA.isDeviceOffloading(OKind: Action::OFK_HIP) && |
| 5035 | (getToolChain().getTriple().isAMDGPU() || |
| 5036 | (getToolChain().getTriple().isSPIRV() && |
| 5037 | getToolChain().getTriple().getVendor() == llvm::Triple::AMD))) { |
| 5038 | // Device side compilation printf |
| 5039 | if (Args.getLastArg(Ids: options::OPT_mprintf_kind_EQ)) { |
| 5040 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 5041 | Str: "-mprintf-kind="+ |
| 5042 | Args.getLastArgValue(Id: options::OPT_mprintf_kind_EQ))); |
| 5043 | // Force compiler error on invalid conversion specifiers |
| 5044 | CmdArgs.push_back( |
| 5045 | Elt: Args.MakeArgString(Str: "-Werror=format-invalid-specifier")); |
| 5046 | } |
| 5047 | } |
| 5048 | } |
| 5049 | |
| 5050 | // Unconditionally claim the printf option now to avoid unused diagnostic. |
| 5051 | if (const Arg *PF = Args.getLastArg(Ids: options::OPT_mprintf_kind_EQ)) |
| 5052 | PF->claim(); |
| 5053 | |
| 5054 | if (Args.hasFlag(Pos: options::OPT_fsycl, Neg: options::OPT_fno_sycl, Default: false)) { |
| 5055 | CmdArgs.push_back(Elt: "-fsycl-is-device"); |
| 5056 | |
| 5057 | if (Arg *A = Args.getLastArg(Ids: options::OPT_sycl_std_EQ)) { |
| 5058 | A->render(Args, Output&: CmdArgs); |
| 5059 | } else { |
| 5060 | // Ensure the default version in SYCL mode is 2020. |
| 5061 | CmdArgs.push_back(Elt: "-sycl-std=2020"); |
| 5062 | } |
| 5063 | } |
| 5064 | |
| 5065 | if (IsOpenMPDevice) { |
| 5066 | // We have to pass the triple of the host if compiling for an OpenMP device. |
| 5067 | std::string NormalizedTriple = |
| 5068 | C.getSingleOffloadToolChain<Action::OFK_Host>() |
| 5069 | ->getTriple() |
| 5070 | .normalize(); |
| 5071 | CmdArgs.push_back(Elt: "-aux-triple"); |
| 5072 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: NormalizedTriple)); |
| 5073 | } |
| 5074 | |
| 5075 | if (Triple.isOSWindows() && (Triple.getArch() == llvm::Triple::arm || |
| 5076 | Triple.getArch() == llvm::Triple::thumb)) { |
| 5077 | unsigned Offset = Triple.getArch() == llvm::Triple::arm ? 4 : 6; |
| 5078 | unsigned Version = 0; |
| 5079 | bool Failure = |
| 5080 | Triple.getArchName().substr(Start: Offset).consumeInteger(Radix: 10, Result&: Version); |
| 5081 | if (Failure || Version < 7) |
| 5082 | D.Diag(DiagID: diag::err_target_unsupported_arch) << Triple.getArchName() |
| 5083 | << TripleStr; |
| 5084 | } |
| 5085 | |
| 5086 | // Push all default warning arguments that are specific to |
| 5087 | // the given target. These come before user provided warning options |
| 5088 | // are provided. |
| 5089 | TC.addClangWarningOptions(CC1Args&: CmdArgs); |
| 5090 | |
| 5091 | // FIXME: Subclass ToolChain for SPIR and move this to addClangWarningOptions. |
| 5092 | if (Triple.isSPIR() || Triple.isSPIRV()) |
| 5093 | CmdArgs.push_back(Elt: "-Wspir-compat"); |
| 5094 | |
| 5095 | // Select the appropriate action. |
| 5096 | RewriteKind rewriteKind = RK_None; |
| 5097 | |
| 5098 | bool UnifiedLTO = false; |
| 5099 | if (IsUsingLTO) { |
| 5100 | UnifiedLTO = Args.hasFlag(Pos: options::OPT_funified_lto, |
| 5101 | Neg: options::OPT_fno_unified_lto, Default: Triple.isPS()); |
| 5102 | if (UnifiedLTO) |
| 5103 | CmdArgs.push_back(Elt: "-funified-lto"); |
| 5104 | } |
| 5105 | |
| 5106 | // If CollectArgsForIntegratedAssembler() isn't called below, claim the args |
| 5107 | // it claims when not running an assembler. Otherwise, clang would emit |
| 5108 | // "argument unused" warnings for assembler flags when e.g. adding "-E" to |
| 5109 | // flags while debugging something. That'd be somewhat inconvenient, and it's |
| 5110 | // also inconsistent with most other flags -- we don't warn on |
| 5111 | // -ffunction-sections not being used in -E mode either for example, even |
| 5112 | // though it's not really used either. |
| 5113 | if (!isa<AssembleJobAction>(Val: JA)) { |
| 5114 | // The args claimed here should match the args used in |
| 5115 | // CollectArgsForIntegratedAssembler(). |
| 5116 | if (TC.useIntegratedAs()) { |
| 5117 | Args.ClaimAllArgs(Id0: options::OPT_mrelax_all); |
| 5118 | Args.ClaimAllArgs(Id0: options::OPT_mno_relax_all); |
| 5119 | Args.ClaimAllArgs(Id0: options::OPT_mincremental_linker_compatible); |
| 5120 | Args.ClaimAllArgs(Id0: options::OPT_mno_incremental_linker_compatible); |
| 5121 | switch (C.getDefaultToolChain().getArch()) { |
| 5122 | case llvm::Triple::arm: |
| 5123 | case llvm::Triple::armeb: |
| 5124 | case llvm::Triple::thumb: |
| 5125 | case llvm::Triple::thumbeb: |
| 5126 | Args.ClaimAllArgs(Id0: options::OPT_mimplicit_it_EQ); |
| 5127 | break; |
| 5128 | default: |
| 5129 | break; |
| 5130 | } |
| 5131 | } |
| 5132 | Args.ClaimAllArgs(Id0: options::OPT_Wa_COMMA); |
| 5133 | Args.ClaimAllArgs(Id0: options::OPT_Xassembler); |
| 5134 | Args.ClaimAllArgs(Id0: options::OPT_femit_dwarf_unwind_EQ); |
| 5135 | } |
| 5136 | |
| 5137 | if (isa<AnalyzeJobAction>(Val: JA)) { |
| 5138 | assert(JA.getType() == types::TY_Plist && "Invalid output type."); |
| 5139 | CmdArgs.push_back(Elt: "-analyze"); |
| 5140 | } else if (isa<MigrateJobAction>(Val: JA)) { |
| 5141 | CmdArgs.push_back(Elt: "-migrate"); |
| 5142 | } else if (isa<PreprocessJobAction>(Val: JA)) { |
| 5143 | if (Output.getType() == types::TY_Dependencies) |
| 5144 | CmdArgs.push_back(Elt: "-Eonly"); |
| 5145 | else { |
| 5146 | CmdArgs.push_back(Elt: "-E"); |
| 5147 | if (Args.hasArg(Ids: options::OPT_rewrite_objc) && |
| 5148 | !Args.hasArg(Ids: options::OPT_g_Group)) |
| 5149 | CmdArgs.push_back(Elt: "-P"); |
| 5150 | else if (JA.getType() == types::TY_PP_CXXHeaderUnit) |
| 5151 | CmdArgs.push_back(Elt: "-fdirectives-only"); |
| 5152 | } |
| 5153 | } else if (isa<AssembleJobAction>(Val: JA)) { |
| 5154 | CmdArgs.push_back(Elt: "-emit-obj"); |
| 5155 | |
| 5156 | CollectArgsForIntegratedAssembler(C, Args, CmdArgs, D); |
| 5157 | |
| 5158 | // Also ignore explicit -force_cpusubtype_ALL option. |
| 5159 | (void)Args.hasArg(Ids: options::OPT_force__cpusubtype__ALL); |
| 5160 | } else if (isa<PrecompileJobAction>(Val: JA)) { |
| 5161 | if (JA.getType() == types::TY_Nothing) |
| 5162 | CmdArgs.push_back(Elt: "-fsyntax-only"); |
| 5163 | else if (JA.getType() == types::TY_ModuleFile) |
| 5164 | CmdArgs.push_back(Elt: "-emit-module-interface"); |
| 5165 | else if (JA.getType() == types::TY_HeaderUnit) |
| 5166 | CmdArgs.push_back(Elt: "-emit-header-unit"); |
| 5167 | else |
| 5168 | CmdArgs.push_back(Elt: "-emit-pch"); |
| 5169 | } else if (isa<VerifyPCHJobAction>(Val: JA)) { |
| 5170 | CmdArgs.push_back(Elt: "-verify-pch"); |
| 5171 | } else if (isa<ExtractAPIJobAction>(Val: JA)) { |
| 5172 | assert(JA.getType() == types::TY_API_INFO && |
| 5173 | "Extract API actions must generate a API information."); |
| 5174 | CmdArgs.push_back(Elt: "-extract-api"); |
| 5175 | |
| 5176 | if (Arg *PrettySGFArg = Args.getLastArg(Ids: options::OPT_emit_pretty_sgf)) |
| 5177 | PrettySGFArg->render(Args, Output&: CmdArgs); |
| 5178 | |
| 5179 | Arg *SymbolGraphDirArg = Args.getLastArg(Ids: options::OPT_symbol_graph_dir_EQ); |
| 5180 | |
| 5181 | if (Arg *ProductNameArg = Args.getLastArg(Ids: options::OPT_product_name_EQ)) |
| 5182 | ProductNameArg->render(Args, Output&: CmdArgs); |
| 5183 | if (Arg *ExtractAPIIgnoresFileArg = |
| 5184 | Args.getLastArg(Ids: options::OPT_extract_api_ignores_EQ)) |
| 5185 | ExtractAPIIgnoresFileArg->render(Args, Output&: CmdArgs); |
| 5186 | if (Arg *EmitExtensionSymbolGraphs = |
| 5187 | Args.getLastArg(Ids: options::OPT_emit_extension_symbol_graphs)) { |
| 5188 | if (!SymbolGraphDirArg) |
| 5189 | D.Diag(DiagID: diag::err_drv_missing_symbol_graph_dir); |
| 5190 | |
| 5191 | EmitExtensionSymbolGraphs->render(Args, Output&: CmdArgs); |
| 5192 | } |
| 5193 | if (SymbolGraphDirArg) |
| 5194 | SymbolGraphDirArg->render(Args, Output&: CmdArgs); |
| 5195 | } else { |
| 5196 | assert((isa<CompileJobAction>(JA) || isa<BackendJobAction>(JA)) && |
| 5197 | "Invalid action for clang tool."); |
| 5198 | if (JA.getType() == types::TY_Nothing) { |
| 5199 | CmdArgs.push_back(Elt: "-fsyntax-only"); |
| 5200 | } else if (JA.getType() == types::TY_LLVM_IR || |
| 5201 | JA.getType() == types::TY_LTO_IR) { |
| 5202 | CmdArgs.push_back(Elt: "-emit-llvm"); |
| 5203 | } else if (JA.getType() == types::TY_LLVM_BC || |
| 5204 | JA.getType() == types::TY_LTO_BC) { |
| 5205 | // Emit textual llvm IR for AMDGPU offloading for -emit-llvm -S |
| 5206 | if (Triple.isAMDGCN() && IsOpenMPDevice && Args.hasArg(Ids: options::OPT_S) && |
| 5207 | Args.hasArg(Ids: options::OPT_emit_llvm)) { |
| 5208 | CmdArgs.push_back(Elt: "-emit-llvm"); |
| 5209 | } else { |
| 5210 | CmdArgs.push_back(Elt: "-emit-llvm-bc"); |
| 5211 | } |
| 5212 | } else if (JA.getType() == types::TY_IFS || |
| 5213 | JA.getType() == types::TY_IFS_CPP) { |
| 5214 | StringRef ArgStr = |
| 5215 | Args.hasArg(Ids: options::OPT_interface_stub_version_EQ) |
| 5216 | ? Args.getLastArgValue(Id: options::OPT_interface_stub_version_EQ) |
| 5217 | : "ifs-v1"; |
| 5218 | CmdArgs.push_back(Elt: "-emit-interface-stubs"); |
| 5219 | CmdArgs.push_back( |
| 5220 | Elt: Args.MakeArgString(Str: Twine("-interface-stub-version=") + ArgStr.str())); |
| 5221 | } else if (JA.getType() == types::TY_PP_Asm) { |
| 5222 | CmdArgs.push_back(Elt: "-S"); |
| 5223 | } else if (JA.getType() == types::TY_AST) { |
| 5224 | CmdArgs.push_back(Elt: "-emit-pch"); |
| 5225 | } else if (JA.getType() == types::TY_ModuleFile) { |
| 5226 | CmdArgs.push_back(Elt: "-module-file-info"); |
| 5227 | } else if (JA.getType() == types::TY_RewrittenObjC) { |
| 5228 | CmdArgs.push_back(Elt: "-rewrite-objc"); |
| 5229 | rewriteKind = RK_NonFragile; |
| 5230 | } else if (JA.getType() == types::TY_RewrittenLegacyObjC) { |
| 5231 | CmdArgs.push_back(Elt: "-rewrite-objc"); |
| 5232 | rewriteKind = RK_Fragile; |
| 5233 | } else { |
| 5234 | assert(JA.getType() == types::TY_PP_Asm && "Unexpected output type!"); |
| 5235 | } |
| 5236 | |
| 5237 | // Preserve use-list order by default when emitting bitcode, so that |
| 5238 | // loading the bitcode up in 'opt' or 'llc' and running passes gives the |
| 5239 | // same result as running passes here. For LTO, we don't need to preserve |
| 5240 | // the use-list order, since serialization to bitcode is part of the flow. |
| 5241 | if (JA.getType() == types::TY_LLVM_BC) |
| 5242 | CmdArgs.push_back(Elt: "-emit-llvm-uselists"); |
| 5243 | |
| 5244 | if (IsUsingLTO) { |
| 5245 | if (IsDeviceOffloadAction && !JA.isDeviceOffloading(OKind: Action::OFK_OpenMP) && |
| 5246 | !Args.hasFlag(Pos: options::OPT_offload_new_driver, |
| 5247 | Neg: options::OPT_no_offload_new_driver, Default: false) && |
| 5248 | !Triple.isAMDGPU()) { |
| 5249 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 5250 | << Args.getLastArg(Ids: options::OPT_foffload_lto, |
| 5251 | Ids: options::OPT_foffload_lto_EQ) |
| 5252 | ->getAsString(Args) |
| 5253 | << Triple.getTriple(); |
| 5254 | } else if (Triple.isNVPTX() && !IsRDCMode && |
| 5255 | JA.isDeviceOffloading(OKind: Action::OFK_Cuda)) { |
| 5256 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_language_mode) |
| 5257 | << Args.getLastArg(Ids: options::OPT_foffload_lto, |
| 5258 | Ids: options::OPT_foffload_lto_EQ) |
| 5259 | ->getAsString(Args) |
| 5260 | << "-fno-gpu-rdc"; |
| 5261 | } else { |
| 5262 | assert(LTOMode == LTOK_Full || LTOMode == LTOK_Thin); |
| 5263 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 5264 | Str: Twine("-flto=") + (LTOMode == LTOK_Thin ? "thin": "full"))); |
| 5265 | // PS4 uses the legacy LTO API, which does not support some of the |
| 5266 | // features enabled by -flto-unit. |
| 5267 | if (!RawTriple.isPS4() || |
| 5268 | (D.getLTOMode() == LTOK_Full) || !UnifiedLTO) |
| 5269 | CmdArgs.push_back(Elt: "-flto-unit"); |
| 5270 | } |
| 5271 | } |
| 5272 | } |
| 5273 | |
| 5274 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_dumpdir); |
| 5275 | |
| 5276 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_fthinlto_index_EQ)) { |
| 5277 | if (!types::isLLVMIR(Id: Input.getType())) |
| 5278 | D.Diag(DiagID: diag::err_drv_arg_requires_bitcode_input) << A->getAsString(Args); |
| 5279 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fthinlto_index_EQ); |
| 5280 | } |
| 5281 | |
| 5282 | if (Triple.isPPC()) |
| 5283 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_mregnames, |
| 5284 | Neg: options::OPT_mno_regnames); |
| 5285 | |
| 5286 | if (Args.getLastArg(Ids: options::OPT_fthin_link_bitcode_EQ)) |
| 5287 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fthin_link_bitcode_EQ); |
| 5288 | |
| 5289 | if (Args.getLastArg(Ids: options::OPT_save_temps_EQ)) |
| 5290 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_save_temps_EQ); |
| 5291 | |
| 5292 | auto *MemProfArg = Args.getLastArg(Ids: options::OPT_fmemory_profile, |
| 5293 | Ids: options::OPT_fmemory_profile_EQ, |
| 5294 | Ids: options::OPT_fno_memory_profile); |
| 5295 | if (MemProfArg && |
| 5296 | !MemProfArg->getOption().matches(ID: options::OPT_fno_memory_profile)) |
| 5297 | MemProfArg->render(Args, Output&: CmdArgs); |
| 5298 | |
| 5299 | if (auto *MemProfUseArg = |
| 5300 | Args.getLastArg(Ids: options::OPT_fmemory_profile_use_EQ)) { |
| 5301 | if (MemProfArg) |
| 5302 | D.Diag(DiagID: diag::err_drv_argument_not_allowed_with) |
| 5303 | << MemProfUseArg->getAsString(Args) << MemProfArg->getAsString(Args); |
| 5304 | if (auto *PGOInstrArg = Args.getLastArg(Ids: options::OPT_fprofile_generate, |
| 5305 | Ids: options::OPT_fprofile_generate_EQ)) |
| 5306 | D.Diag(DiagID: diag::err_drv_argument_not_allowed_with) |
| 5307 | << MemProfUseArg->getAsString(Args) << PGOInstrArg->getAsString(Args); |
| 5308 | MemProfUseArg->render(Args, Output&: CmdArgs); |
| 5309 | } |
| 5310 | |
| 5311 | // Embed-bitcode option. |
| 5312 | // Only white-listed flags below are allowed to be embedded. |
| 5313 | if (C.getDriver().embedBitcodeInObject() && !IsUsingLTO && |
| 5314 | (isa<BackendJobAction>(Val: JA) || isa<AssembleJobAction>(Val: JA))) { |
| 5315 | // Add flags implied by -fembed-bitcode. |
| 5316 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fembed_bitcode_EQ); |
| 5317 | // Disable all llvm IR level optimizations. |
| 5318 | CmdArgs.push_back(Elt: "-disable-llvm-passes"); |
| 5319 | |
| 5320 | // Render target options. |
| 5321 | TC.addClangTargetOptions(DriverArgs: Args, CC1Args&: CmdArgs, DeviceOffloadKind: JA.getOffloadingDeviceKind()); |
| 5322 | |
| 5323 | // reject options that shouldn't be supported in bitcode |
| 5324 | // also reject kernel/kext |
| 5325 | static const constexpr unsigned kBitcodeOptionIgnorelist[] = { |
| 5326 | options::OPT_mkernel, |
| 5327 | options::OPT_fapple_kext, |
| 5328 | options::OPT_ffunction_sections, |
| 5329 | options::OPT_fno_function_sections, |
| 5330 | options::OPT_fdata_sections, |
| 5331 | options::OPT_fno_data_sections, |
| 5332 | options::OPT_fbasic_block_sections_EQ, |
| 5333 | options::OPT_funique_internal_linkage_names, |
| 5334 | options::OPT_fno_unique_internal_linkage_names, |
| 5335 | options::OPT_funique_section_names, |
| 5336 | options::OPT_fno_unique_section_names, |
| 5337 | options::OPT_funique_basic_block_section_names, |
| 5338 | options::OPT_fno_unique_basic_block_section_names, |
| 5339 | options::OPT_mrestrict_it, |
| 5340 | options::OPT_mno_restrict_it, |
| 5341 | options::OPT_mstackrealign, |
| 5342 | options::OPT_mno_stackrealign, |
| 5343 | options::OPT_mstack_alignment, |
| 5344 | options::OPT_mcmodel_EQ, |
| 5345 | options::OPT_mlong_calls, |
| 5346 | options::OPT_mno_long_calls, |
| 5347 | options::OPT_ggnu_pubnames, |
| 5348 | options::OPT_gdwarf_aranges, |
| 5349 | options::OPT_fdebug_types_section, |
| 5350 | options::OPT_fno_debug_types_section, |
| 5351 | options::OPT_fdwarf_directory_asm, |
| 5352 | options::OPT_fno_dwarf_directory_asm, |
| 5353 | options::OPT_mrelax_all, |
| 5354 | options::OPT_mno_relax_all, |
| 5355 | options::OPT_ftrap_function_EQ, |
| 5356 | options::OPT_ffixed_r9, |
| 5357 | options::OPT_mfix_cortex_a53_835769, |
| 5358 | options::OPT_mno_fix_cortex_a53_835769, |
| 5359 | options::OPT_ffixed_x18, |
| 5360 | options::OPT_mglobal_merge, |
| 5361 | options::OPT_mno_global_merge, |
| 5362 | options::OPT_mred_zone, |
| 5363 | options::OPT_mno_red_zone, |
| 5364 | options::OPT_Wa_COMMA, |
| 5365 | options::OPT_Xassembler, |
| 5366 | options::OPT_mllvm, |
| 5367 | }; |
| 5368 | for (const auto &A : Args) |
| 5369 | if (llvm::is_contained(Range: kBitcodeOptionIgnorelist, Element: A->getOption().getID())) |
| 5370 | D.Diag(DiagID: diag::err_drv_unsupported_embed_bitcode) << A->getSpelling(); |
| 5371 | |
| 5372 | // Render the CodeGen options that need to be passed. |
| 5373 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_foptimize_sibling_calls, |
| 5374 | Neg: options::OPT_fno_optimize_sibling_calls); |
| 5375 | |
| 5376 | RenderFloatingPointOptions(TC, D, OFastEnabled: isOptimizationLevelFast(Args), Args, |
| 5377 | CmdArgs, JA); |
| 5378 | |
| 5379 | // Render ABI arguments |
| 5380 | switch (TC.getArch()) { |
| 5381 | default: break; |
| 5382 | case llvm::Triple::arm: |
| 5383 | case llvm::Triple::armeb: |
| 5384 | case llvm::Triple::thumbeb: |
| 5385 | RenderARMABI(D, Triple, Args, CmdArgs); |
| 5386 | break; |
| 5387 | case llvm::Triple::aarch64: |
| 5388 | case llvm::Triple::aarch64_32: |
| 5389 | case llvm::Triple::aarch64_be: |
| 5390 | RenderAArch64ABI(Triple, Args, CmdArgs); |
| 5391 | break; |
| 5392 | } |
| 5393 | |
| 5394 | // Optimization level for CodeGen. |
| 5395 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_O_Group)) { |
| 5396 | if (A->getOption().matches(ID: options::OPT_O4)) { |
| 5397 | CmdArgs.push_back(Elt: "-O3"); |
| 5398 | D.Diag(DiagID: diag::warn_O4_is_O3); |
| 5399 | } else { |
| 5400 | A->render(Args, Output&: CmdArgs); |
| 5401 | } |
| 5402 | } |
| 5403 | |
| 5404 | // Input/Output file. |
| 5405 | if (Output.getType() == types::TY_Dependencies) { |
| 5406 | // Handled with other dependency code. |
| 5407 | } else if (Output.isFilename()) { |
| 5408 | CmdArgs.push_back(Elt: "-o"); |
| 5409 | CmdArgs.push_back(Elt: Output.getFilename()); |
| 5410 | } else { |
| 5411 | assert(Output.isNothing() && "Input output."); |
| 5412 | } |
| 5413 | |
| 5414 | for (const auto &II : Inputs) { |
| 5415 | addDashXForInput(Args, Input: II, CmdArgs); |
| 5416 | if (II.isFilename()) |
| 5417 | CmdArgs.push_back(Elt: II.getFilename()); |
| 5418 | else |
| 5419 | II.getInputArg().renderAsInput(Args, Output&: CmdArgs); |
| 5420 | } |
| 5421 | |
| 5422 | C.addCommand(C: std::make_unique<Command>( |
| 5423 | args: JA, args: *this, args: ResponseFileSupport::AtFileUTF8(), args: D.getClangProgramPath(), |
| 5424 | args&: CmdArgs, args: Inputs, args: Output, args: D.getPrependArg())); |
| 5425 | return; |
| 5426 | } |
| 5427 | |
| 5428 | if (C.getDriver().embedBitcodeMarkerOnly() && !IsUsingLTO) |
| 5429 | CmdArgs.push_back(Elt: "-fembed-bitcode=marker"); |
| 5430 | |
| 5431 | // We normally speed up the clang process a bit by skipping destructors at |
| 5432 | // exit, but when we're generating diagnostics we can rely on some of the |
| 5433 | // cleanup. |
| 5434 | if (!C.isForDiagnostics()) |
| 5435 | CmdArgs.push_back(Elt: "-disable-free"); |
| 5436 | CmdArgs.push_back(Elt: "-clear-ast-before-backend"); |
| 5437 | |
| 5438 | #ifdef NDEBUG |
| 5439 | const bool IsAssertBuild = false; |
| 5440 | #else |
| 5441 | const bool IsAssertBuild = true; |
| 5442 | #endif |
| 5443 | |
| 5444 | // Disable the verification pass in asserts builds unless otherwise specified. |
| 5445 | if (Args.hasFlag(Pos: options::OPT_fno_verify_intermediate_code, |
| 5446 | Neg: options::OPT_fverify_intermediate_code, Default: !IsAssertBuild)) { |
| 5447 | CmdArgs.push_back(Elt: "-disable-llvm-verifier"); |
| 5448 | } |
| 5449 | |
| 5450 | // Discard value names in assert builds unless otherwise specified. |
| 5451 | if (Args.hasFlag(Pos: options::OPT_fdiscard_value_names, |
| 5452 | Neg: options::OPT_fno_discard_value_names, Default: !IsAssertBuild)) { |
| 5453 | if (Args.hasArg(Ids: options::OPT_fdiscard_value_names) && |
| 5454 | llvm::any_of(Range: Inputs, P: [](const clang::driver::InputInfo &II) { |
| 5455 | return types::isLLVMIR(Id: II.getType()); |
| 5456 | })) { |
| 5457 | D.Diag(DiagID: diag::warn_ignoring_fdiscard_for_bitcode); |
| 5458 | } |
| 5459 | CmdArgs.push_back(Elt: "-discard-value-names"); |
| 5460 | } |
| 5461 | |
| 5462 | // Set the main file name, so that debug info works even with |
| 5463 | // -save-temps. |
| 5464 | CmdArgs.push_back(Elt: "-main-file-name"); |
| 5465 | CmdArgs.push_back(Elt: getBaseInputName(Args, Input)); |
| 5466 | |
| 5467 | // Some flags which affect the language (via preprocessor |
| 5468 | // defines). |
| 5469 | if (Args.hasArg(Ids: options::OPT_static)) |
| 5470 | CmdArgs.push_back(Elt: "-static-define"); |
| 5471 | |
| 5472 | if (Args.hasArg(Ids: options::OPT_municode)) |
| 5473 | CmdArgs.push_back(Elt: "-DUNICODE"); |
| 5474 | |
| 5475 | if (isa<AnalyzeJobAction>(Val: JA)) |
| 5476 | RenderAnalyzerOptions(Args, CmdArgs, Triple, Input); |
| 5477 | |
| 5478 | if (isa<AnalyzeJobAction>(Val: JA) || |
| 5479 | (isa<PreprocessJobAction>(Val: JA) && Args.hasArg(Ids: options::OPT__analyze))) |
| 5480 | CmdArgs.push_back(Elt: "-setup-static-analyzer"); |
| 5481 | |
| 5482 | // Enable compatilibily mode to avoid analyzer-config related errors. |
| 5483 | // Since we can't access frontend flags through hasArg, let's manually iterate |
| 5484 | // through them. |
| 5485 | bool FoundAnalyzerConfig = false; |
| 5486 | for (auto *Arg : Args.filtered(Ids: options::OPT_Xclang)) |
| 5487 | if (StringRef(Arg->getValue()) == "-analyzer-config") { |
| 5488 | FoundAnalyzerConfig = true; |
| 5489 | break; |
| 5490 | } |
| 5491 | if (!FoundAnalyzerConfig) |
| 5492 | for (auto *Arg : Args.filtered(Ids: options::OPT_Xanalyzer)) |
| 5493 | if (StringRef(Arg->getValue()) == "-analyzer-config") { |
| 5494 | FoundAnalyzerConfig = true; |
| 5495 | break; |
| 5496 | } |
| 5497 | if (FoundAnalyzerConfig) |
| 5498 | CmdArgs.push_back(Elt: "-analyzer-config-compatibility-mode=true"); |
| 5499 | |
| 5500 | CheckCodeGenerationOptions(D, Args); |
| 5501 | |
| 5502 | unsigned FunctionAlignment = ParseFunctionAlignment(TC, Args); |
| 5503 | assert(FunctionAlignment <= 31 && "function alignment will be truncated!"); |
| 5504 | if (FunctionAlignment) { |
| 5505 | CmdArgs.push_back(Elt: "-function-alignment"); |
| 5506 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: std::to_string(val: FunctionAlignment))); |
| 5507 | } |
| 5508 | |
| 5509 | // We support -falign-loops=N where N is a power of 2. GCC supports more |
| 5510 | // forms. |
| 5511 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_falign_loops_EQ)) { |
| 5512 | unsigned Value = 0; |
| 5513 | if (StringRef(A->getValue()).getAsInteger(Radix: 10, Result&: Value) || Value > 65536) |
| 5514 | TC.getDriver().Diag(DiagID: diag::err_drv_invalid_int_value) |
| 5515 | << A->getAsString(Args) << A->getValue(); |
| 5516 | else if (Value & (Value - 1)) |
| 5517 | TC.getDriver().Diag(DiagID: diag::err_drv_alignment_not_power_of_two) |
| 5518 | << A->getAsString(Args) << A->getValue(); |
| 5519 | // Treat =0 as unspecified (use the target preference). |
| 5520 | if (Value) |
| 5521 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-falign-loops="+ |
| 5522 | Twine(std::min(a: Value, b: 65536u)))); |
| 5523 | } |
| 5524 | |
| 5525 | if (Triple.isOSzOS()) { |
| 5526 | // On z/OS some of the system header feature macros need to |
| 5527 | // be defined to enable most cross platform projects to build |
| 5528 | // successfully. Ths include the libc++ library. A |
| 5529 | // complicating factor is that users can define these |
| 5530 | // macros to the same or different values. We need to add |
| 5531 | // the definition for these macros to the compilation command |
| 5532 | // if the user hasn't already defined them. |
| 5533 | |
| 5534 | auto findMacroDefinition = [&](const std::string &Macro) { |
| 5535 | auto MacroDefs = Args.getAllArgValues(Id: options::OPT_D); |
| 5536 | return llvm::any_of(Range&: MacroDefs, P: [&](const std::string &M) { |
| 5537 | return M == Macro || M.find(str: Macro + '=') != std::string::npos; |
| 5538 | }); |
| 5539 | }; |
| 5540 | |
| 5541 | // _UNIX03_WITHDRAWN is required for libcxx & porting. |
| 5542 | if (!findMacroDefinition("_UNIX03_WITHDRAWN")) |
| 5543 | CmdArgs.push_back(Elt: "-D_UNIX03_WITHDRAWN"); |
| 5544 | // _OPEN_DEFAULT is required for XL compat |
| 5545 | if (!findMacroDefinition("_OPEN_DEFAULT")) |
| 5546 | CmdArgs.push_back(Elt: "-D_OPEN_DEFAULT"); |
| 5547 | if (D.CCCIsCXX() || types::isCXX(Id: Input.getType())) { |
| 5548 | // _XOPEN_SOURCE=600 is required for libcxx. |
| 5549 | if (!findMacroDefinition("_XOPEN_SOURCE")) |
| 5550 | CmdArgs.push_back(Elt: "-D_XOPEN_SOURCE=600"); |
| 5551 | } |
| 5552 | } |
| 5553 | |
| 5554 | llvm::Reloc::Model RelocationModel; |
| 5555 | unsigned PICLevel; |
| 5556 | bool IsPIE; |
| 5557 | std::tie(args&: RelocationModel, args&: PICLevel, args&: IsPIE) = ParsePICArgs(ToolChain: TC, Args); |
| 5558 | Arg *LastPICDataRelArg = |
| 5559 | Args.getLastArg(Ids: options::OPT_mno_pic_data_is_text_relative, |
| 5560 | Ids: options::OPT_mpic_data_is_text_relative); |
| 5561 | bool NoPICDataIsTextRelative = false; |
| 5562 | if (LastPICDataRelArg) { |
| 5563 | if (LastPICDataRelArg->getOption().matches( |
| 5564 | ID: options::OPT_mno_pic_data_is_text_relative)) { |
| 5565 | NoPICDataIsTextRelative = true; |
| 5566 | if (!PICLevel) |
| 5567 | D.Diag(DiagID: diag::err_drv_argument_only_allowed_with) |
| 5568 | << "-mno-pic-data-is-text-relative" |
| 5569 | << "-fpic/-fpie"; |
| 5570 | } |
| 5571 | if (!Triple.isSystemZ()) |
| 5572 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 5573 | << (NoPICDataIsTextRelative ? "-mno-pic-data-is-text-relative" |
| 5574 | : "-mpic-data-is-text-relative") |
| 5575 | << RawTriple.str(); |
| 5576 | } |
| 5577 | |
| 5578 | bool IsROPI = RelocationModel == llvm::Reloc::ROPI || |
| 5579 | RelocationModel == llvm::Reloc::ROPI_RWPI; |
| 5580 | bool IsRWPI = RelocationModel == llvm::Reloc::RWPI || |
| 5581 | RelocationModel == llvm::Reloc::ROPI_RWPI; |
| 5582 | |
| 5583 | if (Args.hasArg(Ids: options::OPT_mcmse) && |
| 5584 | !Args.hasArg(Ids: options::OPT_fallow_unsupported)) { |
| 5585 | if (IsROPI) |
| 5586 | D.Diag(DiagID: diag::err_cmse_pi_are_incompatible) << IsROPI; |
| 5587 | if (IsRWPI) |
| 5588 | D.Diag(DiagID: diag::err_cmse_pi_are_incompatible) << !IsRWPI; |
| 5589 | } |
| 5590 | |
| 5591 | if (IsROPI && types::isCXX(Id: Input.getType()) && |
| 5592 | !Args.hasArg(Ids: options::OPT_fallow_unsupported)) |
| 5593 | D.Diag(DiagID: diag::err_drv_ropi_incompatible_with_cxx); |
| 5594 | |
| 5595 | const char *RMName = RelocationModelName(Model: RelocationModel); |
| 5596 | if (RMName) { |
| 5597 | CmdArgs.push_back(Elt: "-mrelocation-model"); |
| 5598 | CmdArgs.push_back(Elt: RMName); |
| 5599 | } |
| 5600 | if (PICLevel > 0) { |
| 5601 | CmdArgs.push_back(Elt: "-pic-level"); |
| 5602 | CmdArgs.push_back(Elt: PICLevel == 1 ? "1": "2"); |
| 5603 | if (IsPIE) |
| 5604 | CmdArgs.push_back(Elt: "-pic-is-pie"); |
| 5605 | if (NoPICDataIsTextRelative) |
| 5606 | CmdArgs.push_back(Elt: "-mcmodel=medium"); |
| 5607 | } |
| 5608 | |
| 5609 | if (RelocationModel == llvm::Reloc::ROPI || |
| 5610 | RelocationModel == llvm::Reloc::ROPI_RWPI) |
| 5611 | CmdArgs.push_back(Elt: "-fropi"); |
| 5612 | if (RelocationModel == llvm::Reloc::RWPI || |
| 5613 | RelocationModel == llvm::Reloc::ROPI_RWPI) |
| 5614 | CmdArgs.push_back(Elt: "-frwpi"); |
| 5615 | |
| 5616 | if (Arg *A = Args.getLastArg(Ids: options::OPT_meabi)) { |
| 5617 | CmdArgs.push_back(Elt: "-meabi"); |
| 5618 | CmdArgs.push_back(Elt: A->getValue()); |
| 5619 | } |
| 5620 | |
| 5621 | // -fsemantic-interposition is forwarded to CC1: set the |
| 5622 | // "SemanticInterposition" metadata to 1 (make some linkages interposable) and |
| 5623 | // make default visibility external linkage definitions dso_preemptable. |
| 5624 | // |
| 5625 | // -fno-semantic-interposition: if the target supports .Lfoo$local local |
| 5626 | // aliases (make default visibility external linkage definitions dso_local). |
| 5627 | // This is the CC1 default for ELF to match COFF/Mach-O. |
| 5628 | // |
| 5629 | // Otherwise use Clang's traditional behavior: like |
| 5630 | // -fno-semantic-interposition but local aliases are not used. So references |
| 5631 | // can be interposed if not optimized out. |
| 5632 | if (Triple.isOSBinFormatELF()) { |
| 5633 | Arg *A = Args.getLastArg(Ids: options::OPT_fsemantic_interposition, |
| 5634 | Ids: options::OPT_fno_semantic_interposition); |
| 5635 | if (RelocationModel != llvm::Reloc::Static && !IsPIE) { |
| 5636 | // The supported targets need to call AsmPrinter::getSymbolPreferLocal. |
| 5637 | bool SupportsLocalAlias = |
| 5638 | Triple.isAArch64() || Triple.isRISCV() || Triple.isX86(); |
| 5639 | if (!A) |
| 5640 | CmdArgs.push_back(Elt: "-fhalf-no-semantic-interposition"); |
| 5641 | else if (A->getOption().matches(ID: options::OPT_fsemantic_interposition)) |
| 5642 | A->render(Args, Output&: CmdArgs); |
| 5643 | else if (!SupportsLocalAlias) |
| 5644 | CmdArgs.push_back(Elt: "-fhalf-no-semantic-interposition"); |
| 5645 | } |
| 5646 | } |
| 5647 | |
| 5648 | { |
| 5649 | std::string Model; |
| 5650 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mthread_model)) { |
| 5651 | if (!TC.isThreadModelSupported(Model: A->getValue())) |
| 5652 | D.Diag(DiagID: diag::err_drv_invalid_thread_model_for_target) |
| 5653 | << A->getValue() << A->getAsString(Args); |
| 5654 | Model = A->getValue(); |
| 5655 | } else |
| 5656 | Model = TC.getThreadModel(); |
| 5657 | if (Model != "posix") { |
| 5658 | CmdArgs.push_back(Elt: "-mthread-model"); |
| 5659 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Model)); |
| 5660 | } |
| 5661 | } |
| 5662 | |
| 5663 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fveclib)) { |
| 5664 | StringRef Name = A->getValue(); |
| 5665 | if (Name == "SVML") { |
| 5666 | if (Triple.getArch() != llvm::Triple::x86 && |
| 5667 | Triple.getArch() != llvm::Triple::x86_64) |
| 5668 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 5669 | << Name << Triple.getArchName(); |
| 5670 | } else if (Name == "LIBMVEC-X86") { |
| 5671 | if (Triple.getArch() != llvm::Triple::x86 && |
| 5672 | Triple.getArch() != llvm::Triple::x86_64) |
| 5673 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 5674 | << Name << Triple.getArchName(); |
| 5675 | } else if (Name == "SLEEF"|| Name == "ArmPL") { |
| 5676 | if (Triple.getArch() != llvm::Triple::aarch64 && |
| 5677 | Triple.getArch() != llvm::Triple::aarch64_be) |
| 5678 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 5679 | << Name << Triple.getArchName(); |
| 5680 | } |
| 5681 | A->render(Args, Output&: CmdArgs); |
| 5682 | } |
| 5683 | |
| 5684 | if (Args.hasFlag(Pos: options::OPT_fmerge_all_constants, |
| 5685 | Neg: options::OPT_fno_merge_all_constants, Default: false)) |
| 5686 | CmdArgs.push_back(Elt: "-fmerge-all-constants"); |
| 5687 | |
| 5688 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fdelete_null_pointer_checks, |
| 5689 | Neg: options::OPT_fno_delete_null_pointer_checks); |
| 5690 | |
| 5691 | // LLVM Code Generator Options. |
| 5692 | |
| 5693 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mabi_EQ_quadword_atomics)) { |
| 5694 | if (!Triple.isOSAIX() || Triple.isPPC32()) |
| 5695 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 5696 | << A->getSpelling() << RawTriple.str(); |
| 5697 | CmdArgs.push_back(Elt: "-mabi=quadword-atomics"); |
| 5698 | } |
| 5699 | |
| 5700 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mlong_double_128)) { |
| 5701 | // Emit the unsupported option error until the Clang's library integration |
| 5702 | // support for 128-bit long double is available for AIX. |
| 5703 | if (Triple.isOSAIX()) |
| 5704 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 5705 | << A->getSpelling() << RawTriple.str(); |
| 5706 | } |
| 5707 | |
| 5708 | if (Arg *A = Args.getLastArg(Ids: options::OPT_Wframe_larger_than_EQ)) { |
| 5709 | StringRef V = A->getValue(), V1 = V; |
| 5710 | unsigned Size; |
| 5711 | if (V1.consumeInteger(Radix: 10, Result&: Size) || !V1.empty()) |
| 5712 | D.Diag(DiagID: diag::err_drv_invalid_argument_to_option) |
| 5713 | << V << A->getOption().getName(); |
| 5714 | else |
| 5715 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-fwarn-stack-size="+ V)); |
| 5716 | } |
| 5717 | |
| 5718 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fjump_tables, |
| 5719 | Neg: options::OPT_fno_jump_tables); |
| 5720 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fprofile_sample_accurate, |
| 5721 | Neg: options::OPT_fno_profile_sample_accurate); |
| 5722 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fpreserve_as_comments, |
| 5723 | Neg: options::OPT_fno_preserve_as_comments); |
| 5724 | |
| 5725 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mregparm_EQ)) { |
| 5726 | CmdArgs.push_back(Elt: "-mregparm"); |
| 5727 | CmdArgs.push_back(Elt: A->getValue()); |
| 5728 | } |
| 5729 | |
| 5730 | if (Arg *A = Args.getLastArg(Ids: options::OPT_maix_struct_return, |
| 5731 | Ids: options::OPT_msvr4_struct_return)) { |
| 5732 | if (!TC.getTriple().isPPC32()) { |
| 5733 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 5734 | << A->getSpelling() << RawTriple.str(); |
| 5735 | } else if (A->getOption().matches(ID: options::OPT_maix_struct_return)) { |
| 5736 | CmdArgs.push_back(Elt: "-maix-struct-return"); |
| 5737 | } else { |
| 5738 | assert(A->getOption().matches(options::OPT_msvr4_struct_return)); |
| 5739 | CmdArgs.push_back(Elt: "-msvr4-struct-return"); |
| 5740 | } |
| 5741 | } |
| 5742 | |
| 5743 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fpcc_struct_return, |
| 5744 | Ids: options::OPT_freg_struct_return)) { |
| 5745 | if (TC.getArch() != llvm::Triple::x86) { |
| 5746 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 5747 | << A->getSpelling() << RawTriple.str(); |
| 5748 | } else if (A->getOption().matches(ID: options::OPT_fpcc_struct_return)) { |
| 5749 | CmdArgs.push_back(Elt: "-fpcc-struct-return"); |
| 5750 | } else { |
| 5751 | assert(A->getOption().matches(options::OPT_freg_struct_return)); |
| 5752 | CmdArgs.push_back(Elt: "-freg-struct-return"); |
| 5753 | } |
| 5754 | } |
| 5755 | |
| 5756 | if (Args.hasFlag(Pos: options::OPT_mrtd, Neg: options::OPT_mno_rtd, Default: false)) { |
| 5757 | if (Triple.getArch() == llvm::Triple::m68k) |
| 5758 | CmdArgs.push_back(Elt: "-fdefault-calling-conv=rtdcall"); |
| 5759 | else |
| 5760 | CmdArgs.push_back(Elt: "-fdefault-calling-conv=stdcall"); |
| 5761 | } |
| 5762 | |
| 5763 | if (Args.hasArg(Ids: options::OPT_fenable_matrix)) { |
| 5764 | // enable-matrix is needed by both the LangOpts and by LLVM. |
| 5765 | CmdArgs.push_back(Elt: "-fenable-matrix"); |
| 5766 | CmdArgs.push_back(Elt: "-mllvm"); |
| 5767 | CmdArgs.push_back(Elt: "-enable-matrix"); |
| 5768 | } |
| 5769 | |
| 5770 | CodeGenOptions::FramePointerKind FPKeepKind = |
| 5771 | getFramePointerKind(Args, Triple: RawTriple); |
| 5772 | const char *FPKeepKindStr = nullptr; |
| 5773 | switch (FPKeepKind) { |
| 5774 | case CodeGenOptions::FramePointerKind::None: |
| 5775 | FPKeepKindStr = "-mframe-pointer=none"; |
| 5776 | break; |
| 5777 | case CodeGenOptions::FramePointerKind::Reserved: |
| 5778 | FPKeepKindStr = "-mframe-pointer=reserved"; |
| 5779 | break; |
| 5780 | case CodeGenOptions::FramePointerKind::NonLeaf: |
| 5781 | FPKeepKindStr = "-mframe-pointer=non-leaf"; |
| 5782 | break; |
| 5783 | case CodeGenOptions::FramePointerKind::All: |
| 5784 | FPKeepKindStr = "-mframe-pointer=all"; |
| 5785 | break; |
| 5786 | } |
| 5787 | assert(FPKeepKindStr && "unknown FramePointerKind"); |
| 5788 | CmdArgs.push_back(Elt: FPKeepKindStr); |
| 5789 | |
| 5790 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fzero_initialized_in_bss, |
| 5791 | Neg: options::OPT_fno_zero_initialized_in_bss); |
| 5792 | |
| 5793 | bool OFastEnabled = isOptimizationLevelFast(Args); |
| 5794 | if (OFastEnabled) |
| 5795 | D.Diag(DiagID: diag::warn_drv_deprecated_arg_ofast); |
| 5796 | // If -Ofast is the optimization level, then -fstrict-aliasing should be |
| 5797 | // enabled. This alias option is being used to simplify the hasFlag logic. |
| 5798 | OptSpecifier StrictAliasingAliasOption = |
| 5799 | OFastEnabled ? options::OPT_Ofast : options::OPT_fstrict_aliasing; |
| 5800 | // We turn strict aliasing off by default if we're Windows MSVC since MSVC |
| 5801 | // doesn't do any TBAA. |
| 5802 | if (!Args.hasFlag(Pos: options::OPT_fstrict_aliasing, PosAlias: StrictAliasingAliasOption, |
| 5803 | Neg: options::OPT_fno_strict_aliasing, Default: !IsWindowsMSVC)) |
| 5804 | CmdArgs.push_back(Elt: "-relaxed-aliasing"); |
| 5805 | if (Args.hasFlag(Pos: options::OPT_fpointer_tbaa, Neg: options::OPT_fno_pointer_tbaa, |
| 5806 | Default: false)) |
| 5807 | CmdArgs.push_back(Elt: "-pointer-tbaa"); |
| 5808 | if (!Args.hasFlag(Pos: options::OPT_fstruct_path_tbaa, |
| 5809 | Neg: options::OPT_fno_struct_path_tbaa, Default: true)) |
| 5810 | CmdArgs.push_back(Elt: "-no-struct-path-tbaa"); |
| 5811 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fstrict_enums, |
| 5812 | Neg: options::OPT_fno_strict_enums); |
| 5813 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fstrict_return, |
| 5814 | Neg: options::OPT_fno_strict_return); |
| 5815 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fallow_editor_placeholders, |
| 5816 | Neg: options::OPT_fno_allow_editor_placeholders); |
| 5817 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fstrict_vtable_pointers, |
| 5818 | Neg: options::OPT_fno_strict_vtable_pointers); |
| 5819 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fforce_emit_vtables, |
| 5820 | Neg: options::OPT_fno_force_emit_vtables); |
| 5821 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_foptimize_sibling_calls, |
| 5822 | Neg: options::OPT_fno_optimize_sibling_calls); |
| 5823 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fescaping_block_tail_calls, |
| 5824 | Neg: options::OPT_fno_escaping_block_tail_calls); |
| 5825 | |
| 5826 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_ffine_grained_bitfield_accesses, |
| 5827 | Ids: options::OPT_fno_fine_grained_bitfield_accesses); |
| 5828 | |
| 5829 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fexperimental_relative_cxx_abi_vtables, |
| 5830 | Ids: options::OPT_fno_experimental_relative_cxx_abi_vtables); |
| 5831 | |
| 5832 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fexperimental_omit_vtable_rtti, |
| 5833 | Ids: options::OPT_fno_experimental_omit_vtable_rtti); |
| 5834 | |
| 5835 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fdisable_block_signature_string, |
| 5836 | Ids: options::OPT_fno_disable_block_signature_string); |
| 5837 | |
| 5838 | // Handle segmented stacks. |
| 5839 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fsplit_stack, |
| 5840 | Neg: options::OPT_fno_split_stack); |
| 5841 | |
| 5842 | // -fprotect-parens=0 is default. |
| 5843 | if (Args.hasFlag(Pos: options::OPT_fprotect_parens, |
| 5844 | Neg: options::OPT_fno_protect_parens, Default: false)) |
| 5845 | CmdArgs.push_back(Elt: "-fprotect-parens"); |
| 5846 | |
| 5847 | RenderFloatingPointOptions(TC, D, OFastEnabled, Args, CmdArgs, JA); |
| 5848 | |
| 5849 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fextend_args_EQ)) { |
| 5850 | const llvm::Triple::ArchType Arch = TC.getArch(); |
| 5851 | if (Arch == llvm::Triple::x86 || Arch == llvm::Triple::x86_64) { |
| 5852 | StringRef V = A->getValue(); |
| 5853 | if (V == "64") |
| 5854 | CmdArgs.push_back(Elt: "-fextend-arguments=64"); |
| 5855 | else if (V != "32") |
| 5856 | D.Diag(DiagID: diag::err_drv_invalid_argument_to_option) |
| 5857 | << A->getValue() << A->getOption().getName(); |
| 5858 | } else |
| 5859 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 5860 | << A->getOption().getName() << TripleStr; |
| 5861 | } |
| 5862 | |
| 5863 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mdouble_EQ)) { |
| 5864 | if (TC.getArch() == llvm::Triple::avr) |
| 5865 | A->render(Args, Output&: CmdArgs); |
| 5866 | else |
| 5867 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 5868 | << A->getAsString(Args) << TripleStr; |
| 5869 | } |
| 5870 | |
| 5871 | if (Arg *A = Args.getLastArg(Ids: options::OPT_LongDouble_Group)) { |
| 5872 | if (TC.getTriple().isX86()) |
| 5873 | A->render(Args, Output&: CmdArgs); |
| 5874 | else if (TC.getTriple().isPPC() && |
| 5875 | (A->getOption().getID() != options::OPT_mlong_double_80)) |
| 5876 | A->render(Args, Output&: CmdArgs); |
| 5877 | else |
| 5878 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 5879 | << A->getAsString(Args) << TripleStr; |
| 5880 | } |
| 5881 | |
| 5882 | // Decide whether to use verbose asm. Verbose assembly is the default on |
| 5883 | // toolchains which have the integrated assembler on by default. |
| 5884 | bool IsIntegratedAssemblerDefault = TC.IsIntegratedAssemblerDefault(); |
| 5885 | if (!Args.hasFlag(Pos: options::OPT_fverbose_asm, Neg: options::OPT_fno_verbose_asm, |
| 5886 | Default: IsIntegratedAssemblerDefault)) |
| 5887 | CmdArgs.push_back(Elt: "-fno-verbose-asm"); |
| 5888 | |
| 5889 | // Parse 'none' or '$major.$minor'. Disallow -fbinutils-version=0 because we |
| 5890 | // use that to indicate the MC default in the backend. |
| 5891 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fbinutils_version_EQ)) { |
| 5892 | StringRef V = A->getValue(); |
| 5893 | unsigned Num; |
| 5894 | if (V == "none") |
| 5895 | A->render(Args, Output&: CmdArgs); |
| 5896 | else if (!V.consumeInteger(Radix: 10, Result&: Num) && Num > 0 && |
| 5897 | (V.empty() || (V.consume_front(Prefix: ".") && |
| 5898 | !V.consumeInteger(Radix: 10, Result&: Num) && V.empty()))) |
| 5899 | A->render(Args, Output&: CmdArgs); |
| 5900 | else |
| 5901 | D.Diag(DiagID: diag::err_drv_invalid_argument_to_option) |
| 5902 | << A->getValue() << A->getOption().getName(); |
| 5903 | } |
| 5904 | |
| 5905 | // If toolchain choose to use MCAsmParser for inline asm don't pass the |
| 5906 | // option to disable integrated-as explicitly. |
| 5907 | if (!TC.useIntegratedAs() && !TC.parseInlineAsmUsingAsmParser()) |
| 5908 | CmdArgs.push_back(Elt: "-no-integrated-as"); |
| 5909 | |
| 5910 | if (Args.hasArg(Ids: options::OPT_fdebug_pass_structure)) { |
| 5911 | CmdArgs.push_back(Elt: "-mdebug-pass"); |
| 5912 | CmdArgs.push_back(Elt: "Structure"); |
| 5913 | } |
| 5914 | if (Args.hasArg(Ids: options::OPT_fdebug_pass_arguments)) { |
| 5915 | CmdArgs.push_back(Elt: "-mdebug-pass"); |
| 5916 | CmdArgs.push_back(Elt: "Arguments"); |
| 5917 | } |
| 5918 | |
| 5919 | // Enable -mconstructor-aliases except on darwin, where we have to work around |
| 5920 | // a linker bug (see https://openradar.appspot.com/7198997), and CUDA device |
| 5921 | // code, where aliases aren't supported. |
| 5922 | if (!RawTriple.isOSDarwin() && !RawTriple.isNVPTX()) |
| 5923 | CmdArgs.push_back(Elt: "-mconstructor-aliases"); |
| 5924 | |
| 5925 | // Darwin's kernel doesn't support guard variables; just die if we |
| 5926 | // try to use them. |
| 5927 | if (KernelOrKext && RawTriple.isOSDarwin()) |
| 5928 | CmdArgs.push_back(Elt: "-fforbid-guard-variables"); |
| 5929 | |
| 5930 | if (Args.hasFlag(Pos: options::OPT_mms_bitfields, Neg: options::OPT_mno_ms_bitfields, |
| 5931 | Default: Triple.isWindowsGNUEnvironment())) { |
| 5932 | CmdArgs.push_back(Elt: "-mms-bitfields"); |
| 5933 | } |
| 5934 | |
| 5935 | if (Triple.isWindowsGNUEnvironment()) { |
| 5936 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fauto_import, |
| 5937 | Neg: options::OPT_fno_auto_import); |
| 5938 | } |
| 5939 | |
| 5940 | if (Args.hasFlag(Pos: options::OPT_fms_volatile, Neg: options::OPT_fno_ms_volatile, |
| 5941 | Default: Triple.isX86() && D.IsCLMode())) |
| 5942 | CmdArgs.push_back(Elt: "-fms-volatile"); |
| 5943 | |
| 5944 | // Non-PIC code defaults to -fdirect-access-external-data while PIC code |
| 5945 | // defaults to -fno-direct-access-external-data. Pass the option if different |
| 5946 | // from the default. |
| 5947 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fdirect_access_external_data, |
| 5948 | Ids: options::OPT_fno_direct_access_external_data)) { |
| 5949 | if (A->getOption().matches(ID: options::OPT_fdirect_access_external_data) != |
| 5950 | (PICLevel == 0)) |
| 5951 | A->render(Args, Output&: CmdArgs); |
| 5952 | } else if (PICLevel == 0 && Triple.isLoongArch()) { |
| 5953 | // Some targets default to -fno-direct-access-external-data even for |
| 5954 | // -fno-pic. |
| 5955 | CmdArgs.push_back(Elt: "-fno-direct-access-external-data"); |
| 5956 | } |
| 5957 | |
| 5958 | if (Args.hasFlag(Pos: options::OPT_fno_plt, Neg: options::OPT_fplt, Default: false)) { |
| 5959 | CmdArgs.push_back(Elt: "-fno-plt"); |
| 5960 | } |
| 5961 | |
| 5962 | // -fhosted is default. |
| 5963 | // TODO: Audit uses of KernelOrKext and see where it'd be more appropriate to |
| 5964 | // use Freestanding. |
| 5965 | bool Freestanding = |
| 5966 | Args.hasFlag(Pos: options::OPT_ffreestanding, Neg: options::OPT_fhosted, Default: false) || |
| 5967 | KernelOrKext; |
| 5968 | if (Freestanding) |
| 5969 | CmdArgs.push_back(Elt: "-ffreestanding"); |
| 5970 | |
| 5971 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fno_knr_functions); |
| 5972 | |
| 5973 | // This is a coarse approximation of what llvm-gcc actually does, both |
| 5974 | // -fasynchronous-unwind-tables and -fnon-call-exceptions interact in more |
| 5975 | // complicated ways. |
| 5976 | auto SanitizeArgs = TC.getSanitizerArgs(JobArgs: Args); |
| 5977 | |
| 5978 | bool IsAsyncUnwindTablesDefault = |
| 5979 | TC.getDefaultUnwindTableLevel(Args) == ToolChain::UnwindTableLevel::Asynchronous; |
| 5980 | bool IsSyncUnwindTablesDefault = |
| 5981 | TC.getDefaultUnwindTableLevel(Args) == ToolChain::UnwindTableLevel::Synchronous; |
| 5982 | |
| 5983 | bool AsyncUnwindTables = Args.hasFlag( |
| 5984 | Pos: options::OPT_fasynchronous_unwind_tables, |
| 5985 | Neg: options::OPT_fno_asynchronous_unwind_tables, |
| 5986 | Default: (IsAsyncUnwindTablesDefault || SanitizeArgs.needsUnwindTables()) && |
| 5987 | !Freestanding); |
| 5988 | bool UnwindTables = |
| 5989 | Args.hasFlag(Pos: options::OPT_funwind_tables, Neg: options::OPT_fno_unwind_tables, |
| 5990 | Default: IsSyncUnwindTablesDefault && !Freestanding); |
| 5991 | if (AsyncUnwindTables) |
| 5992 | CmdArgs.push_back(Elt: "-funwind-tables=2"); |
| 5993 | else if (UnwindTables) |
| 5994 | CmdArgs.push_back(Elt: "-funwind-tables=1"); |
| 5995 | |
| 5996 | // Prepare `-aux-target-cpu` and `-aux-target-feature` unless |
| 5997 | // `--gpu-use-aux-triple-only` is specified. |
| 5998 | if (!Args.getLastArg(Ids: options::OPT_gpu_use_aux_triple_only) && |
| 5999 | (IsCudaDevice || IsHIPDevice)) { |
| 6000 | const ArgList &HostArgs = |
| 6001 | C.getArgsForToolChain(TC: nullptr, BoundArch: StringRef(), DeviceOffloadKind: Action::OFK_None); |
| 6002 | std::string HostCPU = |
| 6003 | getCPUName(D, Args: HostArgs, T: *TC.getAuxTriple(), /*FromAs*/ false); |
| 6004 | if (!HostCPU.empty()) { |
| 6005 | CmdArgs.push_back(Elt: "-aux-target-cpu"); |
| 6006 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: HostCPU)); |
| 6007 | } |
| 6008 | getTargetFeatures(D, Triple: *TC.getAuxTriple(), Args: HostArgs, CmdArgs, |
| 6009 | /*ForAS*/ false, /*IsAux*/ true); |
| 6010 | } |
| 6011 | |
| 6012 | TC.addClangTargetOptions(DriverArgs: Args, CC1Args&: CmdArgs, DeviceOffloadKind: JA.getOffloadingDeviceKind()); |
| 6013 | |
| 6014 | addMCModel(D, Args, Triple, RelocationModel, CmdArgs); |
| 6015 | |
| 6016 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mtls_size_EQ)) { |
| 6017 | StringRef Value = A->getValue(); |
| 6018 | unsigned TLSSize = 0; |
| 6019 | Value.getAsInteger(Radix: 10, Result&: TLSSize); |
| 6020 | if (!Triple.isAArch64() || !Triple.isOSBinFormatELF()) |
| 6021 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 6022 | << A->getOption().getName() << TripleStr; |
| 6023 | if (TLSSize != 12 && TLSSize != 24 && TLSSize != 32 && TLSSize != 48) |
| 6024 | D.Diag(DiagID: diag::err_drv_invalid_int_value) |
| 6025 | << A->getOption().getName() << Value; |
| 6026 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_mtls_size_EQ); |
| 6027 | } |
| 6028 | |
| 6029 | if (isTLSDESCEnabled(TC, Args)) |
| 6030 | CmdArgs.push_back(Elt: "-enable-tlsdesc"); |
| 6031 | |
| 6032 | // Add the target cpu |
| 6033 | std::string CPU = getCPUName(D, Args, T: Triple, /*FromAs*/ false); |
| 6034 | if (!CPU.empty()) { |
| 6035 | CmdArgs.push_back(Elt: "-target-cpu"); |
| 6036 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: CPU)); |
| 6037 | } |
| 6038 | |
| 6039 | RenderTargetOptions(EffectiveTriple: Triple, Args, KernelOrKext, CmdArgs); |
| 6040 | |
| 6041 | // Add clang-cl arguments. |
| 6042 | types::ID InputType = Input.getType(); |
| 6043 | if (D.IsCLMode()) |
| 6044 | AddClangCLArgs(Args, InputType, CmdArgs); |
| 6045 | |
| 6046 | llvm::codegenoptions::DebugInfoKind DebugInfoKind = |
| 6047 | llvm::codegenoptions::NoDebugInfo; |
| 6048 | DwarfFissionKind DwarfFission = DwarfFissionKind::None; |
| 6049 | renderDebugOptions(TC, D, T: RawTriple, Args, IRInput: types::isLLVMIR(Id: InputType), |
| 6050 | CmdArgs, Output, DebugInfoKind, DwarfFission); |
| 6051 | |
| 6052 | // Add the split debug info name to the command lines here so we |
| 6053 | // can propagate it to the backend. |
| 6054 | bool SplitDWARF = (DwarfFission != DwarfFissionKind::None) && |
| 6055 | (TC.getTriple().isOSBinFormatELF() || |
| 6056 | TC.getTriple().isOSBinFormatWasm() || |
| 6057 | TC.getTriple().isOSBinFormatCOFF()) && |
| 6058 | (isa<AssembleJobAction>(Val: JA) || isa<CompileJobAction>(Val: JA) || |
| 6059 | isa<BackendJobAction>(Val: JA)); |
| 6060 | if (SplitDWARF) { |
| 6061 | const char *SplitDWARFOut = SplitDebugName(JA, Args, Input, Output); |
| 6062 | CmdArgs.push_back(Elt: "-split-dwarf-file"); |
| 6063 | CmdArgs.push_back(Elt: SplitDWARFOut); |
| 6064 | if (DwarfFission == DwarfFissionKind::Split) { |
| 6065 | CmdArgs.push_back(Elt: "-split-dwarf-output"); |
| 6066 | CmdArgs.push_back(Elt: SplitDWARFOut); |
| 6067 | } |
| 6068 | } |
| 6069 | |
| 6070 | // Pass the linker version in use. |
| 6071 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mlinker_version_EQ)) { |
| 6072 | CmdArgs.push_back(Elt: "-target-linker-version"); |
| 6073 | CmdArgs.push_back(Elt: A->getValue()); |
| 6074 | } |
| 6075 | |
| 6076 | // Explicitly error on some things we know we don't support and can't just |
| 6077 | // ignore. |
| 6078 | if (!Args.hasArg(Ids: options::OPT_fallow_unsupported)) { |
| 6079 | Arg *Unsupported; |
| 6080 | if (types::isCXX(Id: InputType) && RawTriple.isOSDarwin() && |
| 6081 | TC.getArch() == llvm::Triple::x86) { |
| 6082 | if ((Unsupported = Args.getLastArg(Ids: options::OPT_fapple_kext)) || |
| 6083 | (Unsupported = Args.getLastArg(Ids: options::OPT_mkernel))) |
| 6084 | D.Diag(DiagID: diag::err_drv_clang_unsupported_opt_cxx_darwin_i386) |
| 6085 | << Unsupported->getOption().getName(); |
| 6086 | } |
| 6087 | // The faltivec option has been superseded by the maltivec option. |
| 6088 | if ((Unsupported = Args.getLastArg(Ids: options::OPT_faltivec))) |
| 6089 | D.Diag(DiagID: diag::err_drv_clang_unsupported_opt_faltivec) |
| 6090 | << Unsupported->getOption().getName() |
| 6091 | << "please use -maltivec and include altivec.h explicitly"; |
| 6092 | if ((Unsupported = Args.getLastArg(Ids: options::OPT_fno_altivec))) |
| 6093 | D.Diag(DiagID: diag::err_drv_clang_unsupported_opt_faltivec) |
| 6094 | << Unsupported->getOption().getName() << "please use -mno-altivec"; |
| 6095 | } |
| 6096 | |
| 6097 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_v); |
| 6098 | |
| 6099 | if (Args.getLastArg(Ids: options::OPT_H)) { |
| 6100 | CmdArgs.push_back(Elt: "-H"); |
| 6101 | CmdArgs.push_back(Elt: "-sys-header-deps"); |
| 6102 | } |
| 6103 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_fshow_skipped_includes); |
| 6104 | |
| 6105 | if (D.CCPrintHeadersFormat && !D.CCGenDiagnostics) { |
| 6106 | CmdArgs.push_back(Elt: "-header-include-file"); |
| 6107 | CmdArgs.push_back(Elt: !D.CCPrintHeadersFilename.empty() |
| 6108 | ? D.CCPrintHeadersFilename.c_str() |
| 6109 | : "-"); |
| 6110 | CmdArgs.push_back(Elt: "-sys-header-deps"); |
| 6111 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 6112 | Str: "-header-include-format="+ |
| 6113 | std::string(headerIncludeFormatKindToString(K: D.CCPrintHeadersFormat)))); |
| 6114 | CmdArgs.push_back( |
| 6115 | Elt: Args.MakeArgString(Str: "-header-include-filtering="+ |
| 6116 | std::string(headerIncludeFilteringKindToString( |
| 6117 | K: D.CCPrintHeadersFiltering)))); |
| 6118 | } |
| 6119 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_P); |
| 6120 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_print_ivar_layout); |
| 6121 | |
| 6122 | if (D.CCLogDiagnostics && !D.CCGenDiagnostics) { |
| 6123 | CmdArgs.push_back(Elt: "-diagnostic-log-file"); |
| 6124 | CmdArgs.push_back(Elt: !D.CCLogDiagnosticsFilename.empty() |
| 6125 | ? D.CCLogDiagnosticsFilename.c_str() |
| 6126 | : "-"); |
| 6127 | } |
| 6128 | |
| 6129 | // Give the gen diagnostics more chances to succeed, by avoiding intentional |
| 6130 | // crashes. |
| 6131 | if (D.CCGenDiagnostics) |
| 6132 | CmdArgs.push_back(Elt: "-disable-pragma-debug-crash"); |
| 6133 | |
| 6134 | // Allow backend to put its diagnostic files in the same place as frontend |
| 6135 | // crash diagnostics files. |
| 6136 | if (Args.hasArg(Ids: options::OPT_fcrash_diagnostics_dir)) { |
| 6137 | StringRef Dir = Args.getLastArgValue(Id: options::OPT_fcrash_diagnostics_dir); |
| 6138 | CmdArgs.push_back(Elt: "-mllvm"); |
| 6139 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-crash-diagnostics-dir="+ Dir)); |
| 6140 | } |
| 6141 | |
| 6142 | bool UseSeparateSections = isUseSeparateSections(Triple); |
| 6143 | |
| 6144 | if (Args.hasFlag(Pos: options::OPT_ffunction_sections, |
| 6145 | Neg: options::OPT_fno_function_sections, Default: UseSeparateSections)) { |
| 6146 | CmdArgs.push_back(Elt: "-ffunction-sections"); |
| 6147 | } |
| 6148 | |
| 6149 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fbasic_block_address_map, |
| 6150 | Ids: options::OPT_fno_basic_block_address_map)) { |
| 6151 | if ((Triple.isX86() || Triple.isAArch64()) && Triple.isOSBinFormatELF()) { |
| 6152 | if (A->getOption().matches(ID: options::OPT_fbasic_block_address_map)) |
| 6153 | A->render(Args, Output&: CmdArgs); |
| 6154 | } else { |
| 6155 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 6156 | << A->getAsString(Args) << TripleStr; |
| 6157 | } |
| 6158 | } |
| 6159 | |
| 6160 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fbasic_block_sections_EQ)) { |
| 6161 | StringRef Val = A->getValue(); |
| 6162 | if (Triple.isX86() && Triple.isOSBinFormatELF()) { |
| 6163 | if (Val != "all"&& Val != "labels"&& Val != "none"&& |
| 6164 | !Val.starts_with(Prefix: "list=")) |
| 6165 | D.Diag(DiagID: diag::err_drv_invalid_value) |
| 6166 | << A->getAsString(Args) << A->getValue(); |
| 6167 | else |
| 6168 | A->render(Args, Output&: CmdArgs); |
| 6169 | } else if (Triple.isAArch64() && Triple.isOSBinFormatELF()) { |
| 6170 | // "all" is not supported on AArch64 since branch relaxation creates new |
| 6171 | // basic blocks for some cross-section branches. |
| 6172 | if (Val != "labels"&& Val != "none"&& !Val.starts_with(Prefix: "list=")) |
| 6173 | D.Diag(DiagID: diag::err_drv_invalid_value) |
| 6174 | << A->getAsString(Args) << A->getValue(); |
| 6175 | else |
| 6176 | A->render(Args, Output&: CmdArgs); |
| 6177 | } else if (Triple.isNVPTX()) { |
| 6178 | // Do not pass the option to the GPU compilation. We still want it enabled |
| 6179 | // for the host-side compilation, so seeing it here is not an error. |
| 6180 | } else if (Val != "none") { |
| 6181 | // =none is allowed everywhere. It's useful for overriding the option |
| 6182 | // and is the same as not specifying the option. |
| 6183 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 6184 | << A->getAsString(Args) << TripleStr; |
| 6185 | } |
| 6186 | } |
| 6187 | |
| 6188 | bool HasDefaultDataSections = Triple.isOSBinFormatXCOFF(); |
| 6189 | if (Args.hasFlag(Pos: options::OPT_fdata_sections, Neg: options::OPT_fno_data_sections, |
| 6190 | Default: UseSeparateSections || HasDefaultDataSections)) { |
| 6191 | CmdArgs.push_back(Elt: "-fdata-sections"); |
| 6192 | } |
| 6193 | |
| 6194 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_funique_section_names, |
| 6195 | Neg: options::OPT_fno_unique_section_names); |
| 6196 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fseparate_named_sections, |
| 6197 | Neg: options::OPT_fno_separate_named_sections); |
| 6198 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_funique_internal_linkage_names, |
| 6199 | Neg: options::OPT_fno_unique_internal_linkage_names); |
| 6200 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_funique_basic_block_section_names, |
| 6201 | Neg: options::OPT_fno_unique_basic_block_section_names); |
| 6202 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fconvergent_functions, |
| 6203 | Neg: options::OPT_fno_convergent_functions); |
| 6204 | |
| 6205 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fsplit_machine_functions, |
| 6206 | Ids: options::OPT_fno_split_machine_functions)) { |
| 6207 | if (!A->getOption().matches(ID: options::OPT_fno_split_machine_functions)) { |
| 6208 | // This codegen pass is only available on x86 and AArch64 ELF targets. |
| 6209 | if ((Triple.isX86() || Triple.isAArch64()) && Triple.isOSBinFormatELF()) |
| 6210 | A->render(Args, Output&: CmdArgs); |
| 6211 | else |
| 6212 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 6213 | << A->getAsString(Args) << TripleStr; |
| 6214 | } |
| 6215 | } |
| 6216 | |
| 6217 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_finstrument_functions, |
| 6218 | Ids: options::OPT_finstrument_functions_after_inlining, |
| 6219 | Ids: options::OPT_finstrument_function_entry_bare); |
| 6220 | |
| 6221 | // NVPTX/AMDGCN doesn't support PGO or coverage. There's no runtime support |
| 6222 | // for sampling, overhead of call arc collection is way too high and there's |
| 6223 | // no way to collect the output. |
| 6224 | if (!Triple.isNVPTX() && !Triple.isAMDGCN()) |
| 6225 | addPGOAndCoverageFlags(TC, C, JA, Output, Args, SanArgs&: SanitizeArgs, CmdArgs); |
| 6226 | |
| 6227 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fclang_abi_compat_EQ); |
| 6228 | |
| 6229 | if (getLastProfileSampleUseArg(Args) && |
| 6230 | Args.hasArg(Ids: options::OPT_fsample_profile_use_profi)) { |
| 6231 | CmdArgs.push_back(Elt: "-mllvm"); |
| 6232 | CmdArgs.push_back(Elt: "-sample-profile-use-profi"); |
| 6233 | } |
| 6234 | |
| 6235 | // Add runtime flag for PS4/PS5 when PGO, coverage, or sanitizers are enabled. |
| 6236 | if (RawTriple.isPS() && |
| 6237 | !Args.hasArg(Ids: options::OPT_nostdlib, Ids: options::OPT_nodefaultlibs)) { |
| 6238 | PScpu::addProfileRTArgs(TC, Args, CmdArgs); |
| 6239 | PScpu::addSanitizerArgs(TC, Args, CmdArgs); |
| 6240 | } |
| 6241 | |
| 6242 | // Pass options for controlling the default header search paths. |
| 6243 | if (Args.hasArg(Ids: options::OPT_nostdinc)) { |
| 6244 | CmdArgs.push_back(Elt: "-nostdsysteminc"); |
| 6245 | CmdArgs.push_back(Elt: "-nobuiltininc"); |
| 6246 | } else { |
| 6247 | if (Args.hasArg(Ids: options::OPT_nostdlibinc)) |
| 6248 | CmdArgs.push_back(Elt: "-nostdsysteminc"); |
| 6249 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_nostdincxx); |
| 6250 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_nobuiltininc); |
| 6251 | } |
| 6252 | |
| 6253 | // Pass the path to compiler resource files. |
| 6254 | CmdArgs.push_back(Elt: "-resource-dir"); |
| 6255 | CmdArgs.push_back(Elt: D.ResourceDir.c_str()); |
| 6256 | |
| 6257 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_working_directory); |
| 6258 | |
| 6259 | RenderARCMigrateToolOptions(D, Args, CmdArgs); |
| 6260 | |
| 6261 | // Add preprocessing options like -I, -D, etc. if we are using the |
| 6262 | // preprocessor. |
| 6263 | // |
| 6264 | // FIXME: Support -fpreprocessed |
| 6265 | if (types::getPreprocessedType(Id: InputType) != types::TY_INVALID) |
| 6266 | AddPreprocessingOptions(C, JA, D, Args, CmdArgs, Output, Inputs); |
| 6267 | |
| 6268 | // Don't warn about "clang -c -DPIC -fPIC test.i" because libtool.m4 assumes |
| 6269 | // that "The compiler can only warn and ignore the option if not recognized". |
| 6270 | // When building with ccache, it will pass -D options to clang even on |
| 6271 | // preprocessed inputs and configure concludes that -fPIC is not supported. |
| 6272 | Args.ClaimAllArgs(Id0: options::OPT_D); |
| 6273 | |
| 6274 | // Manually translate -O4 to -O3; let clang reject others. |
| 6275 | if (Arg *A = Args.getLastArg(Ids: options::OPT_O_Group)) { |
| 6276 | if (A->getOption().matches(ID: options::OPT_O4)) { |
| 6277 | CmdArgs.push_back(Elt: "-O3"); |
| 6278 | D.Diag(DiagID: diag::warn_O4_is_O3); |
| 6279 | } else { |
| 6280 | A->render(Args, Output&: CmdArgs); |
| 6281 | } |
| 6282 | } |
| 6283 | |
| 6284 | // Warn about ignored options to clang. |
| 6285 | for (const Arg *A : |
| 6286 | Args.filtered(Ids: options::OPT_clang_ignored_gcc_optimization_f_Group)) { |
| 6287 | D.Diag(DiagID: diag::warn_ignored_gcc_optimization) << A->getAsString(Args); |
| 6288 | A->claim(); |
| 6289 | } |
| 6290 | |
| 6291 | for (const Arg *A : |
| 6292 | Args.filtered(Ids: options::OPT_clang_ignored_legacy_options_Group)) { |
| 6293 | D.Diag(DiagID: diag::warn_ignored_clang_option) << A->getAsString(Args); |
| 6294 | A->claim(); |
| 6295 | } |
| 6296 | |
| 6297 | claimNoWarnArgs(Args); |
| 6298 | |
| 6299 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_R_Group); |
| 6300 | |
| 6301 | for (const Arg *A : |
| 6302 | Args.filtered(Ids: options::OPT_W_Group, Ids: options::OPT__SLASH_wd)) { |
| 6303 | A->claim(); |
| 6304 | if (A->getOption().getID() == options::OPT__SLASH_wd) { |
| 6305 | unsigned WarningNumber; |
| 6306 | if (StringRef(A->getValue()).getAsInteger(Radix: 10, Result&: WarningNumber)) { |
| 6307 | D.Diag(DiagID: diag::err_drv_invalid_int_value) |
| 6308 | << A->getAsString(Args) << A->getValue(); |
| 6309 | continue; |
| 6310 | } |
| 6311 | |
| 6312 | if (auto Group = diagGroupFromCLWarningID(WarningNumber)) { |
| 6313 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 6314 | Str: "-Wno-"+ DiagnosticIDs::getWarningOptionForGroup(*Group))); |
| 6315 | } |
| 6316 | continue; |
| 6317 | } |
| 6318 | A->render(Args, Output&: CmdArgs); |
| 6319 | } |
| 6320 | |
| 6321 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_Wsystem_headers_in_module_EQ); |
| 6322 | |
| 6323 | if (Args.hasFlag(Pos: options::OPT_pedantic, Neg: options::OPT_no_pedantic, Default: false)) |
| 6324 | CmdArgs.push_back(Elt: "-pedantic"); |
| 6325 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_pedantic_errors); |
| 6326 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_w); |
| 6327 | |
| 6328 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_ffixed_point, |
| 6329 | Neg: options::OPT_fno_fixed_point); |
| 6330 | |
| 6331 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fcxx_abi_EQ)) |
| 6332 | A->render(Args, Output&: CmdArgs); |
| 6333 | |
| 6334 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fexperimental_relative_cxx_abi_vtables, |
| 6335 | Ids: options::OPT_fno_experimental_relative_cxx_abi_vtables); |
| 6336 | |
| 6337 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fexperimental_omit_vtable_rtti, |
| 6338 | Ids: options::OPT_fno_experimental_omit_vtable_rtti); |
| 6339 | |
| 6340 | if (Arg *A = Args.getLastArg(Ids: options::OPT_ffuchsia_api_level_EQ)) |
| 6341 | A->render(Args, Output&: CmdArgs); |
| 6342 | |
| 6343 | // Handle -{std, ansi, trigraphs} -- take the last of -{std, ansi} |
| 6344 | // (-ansi is equivalent to -std=c89 or -std=c++98). |
| 6345 | // |
| 6346 | // If a std is supplied, only add -trigraphs if it follows the |
| 6347 | // option. |
| 6348 | bool ImplyVCPPCVer = false; |
| 6349 | bool ImplyVCPPCXXVer = false; |
| 6350 | const Arg *Std = Args.getLastArg(Ids: options::OPT_std_EQ, Ids: options::OPT_ansi); |
| 6351 | if (Std) { |
| 6352 | if (Std->getOption().matches(ID: options::OPT_ansi)) |
| 6353 | if (types::isCXX(Id: InputType)) |
| 6354 | CmdArgs.push_back(Elt: "-std=c++98"); |
| 6355 | else |
| 6356 | CmdArgs.push_back(Elt: "-std=c89"); |
| 6357 | else |
| 6358 | Std->render(Args, Output&: CmdArgs); |
| 6359 | |
| 6360 | // If -f(no-)trigraphs appears after the language standard flag, honor it. |
| 6361 | if (Arg *A = Args.getLastArg(Ids: options::OPT_std_EQ, Ids: options::OPT_ansi, |
| 6362 | Ids: options::OPT_ftrigraphs, |
| 6363 | Ids: options::OPT_fno_trigraphs)) |
| 6364 | if (A != Std) |
| 6365 | A->render(Args, Output&: CmdArgs); |
| 6366 | } else { |
| 6367 | // Honor -std-default. |
| 6368 | // |
| 6369 | // FIXME: Clang doesn't correctly handle -std= when the input language |
| 6370 | // doesn't match. For the time being just ignore this for C++ inputs; |
| 6371 | // eventually we want to do all the standard defaulting here instead of |
| 6372 | // splitting it between the driver and clang -cc1. |
| 6373 | if (!types::isCXX(Id: InputType)) { |
| 6374 | if (!Args.hasArg(Ids: options::OPT__SLASH_std)) { |
| 6375 | Args.AddAllArgsTranslated(Output&: CmdArgs, Id0: options::OPT_std_default_EQ, Translation: "-std=", |
| 6376 | /*Joined=*/true); |
| 6377 | } else |
| 6378 | ImplyVCPPCVer = true; |
| 6379 | } |
| 6380 | else if (IsWindowsMSVC) |
| 6381 | ImplyVCPPCXXVer = true; |
| 6382 | |
| 6383 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_ftrigraphs, |
| 6384 | Ids: options::OPT_fno_trigraphs); |
| 6385 | } |
| 6386 | |
| 6387 | // GCC's behavior for -Wwrite-strings is a bit strange: |
| 6388 | // * In C, this "warning flag" changes the types of string literals from |
| 6389 | // 'char[N]' to 'const char[N]', and thus triggers an unrelated warning |
| 6390 | // for the discarded qualifier. |
| 6391 | // * In C++, this is just a normal warning flag. |
| 6392 | // |
| 6393 | // Implementing this warning correctly in C is hard, so we follow GCC's |
| 6394 | // behavior for now. FIXME: Directly diagnose uses of a string literal as |
| 6395 | // a non-const char* in C, rather than using this crude hack. |
| 6396 | if (!types::isCXX(Id: InputType)) { |
| 6397 | // FIXME: This should behave just like a warning flag, and thus should also |
| 6398 | // respect -Weverything, -Wno-everything, -Werror=write-strings, and so on. |
| 6399 | Arg *WriteStrings = |
| 6400 | Args.getLastArg(Ids: options::OPT_Wwrite_strings, |
| 6401 | Ids: options::OPT_Wno_write_strings, Ids: options::OPT_w); |
| 6402 | if (WriteStrings && |
| 6403 | WriteStrings->getOption().matches(ID: options::OPT_Wwrite_strings)) |
| 6404 | CmdArgs.push_back(Elt: "-fconst-strings"); |
| 6405 | } |
| 6406 | |
| 6407 | // GCC provides a macro definition '__DEPRECATED' when -Wdeprecated is active |
| 6408 | // during C++ compilation, which it is by default. GCC keeps this define even |
| 6409 | // in the presence of '-w', match this behavior bug-for-bug. |
| 6410 | if (types::isCXX(Id: InputType) && |
| 6411 | Args.hasFlag(Pos: options::OPT_Wdeprecated, Neg: options::OPT_Wno_deprecated, |
| 6412 | Default: true)) { |
| 6413 | CmdArgs.push_back(Elt: "-fdeprecated-macro"); |
| 6414 | } |
| 6415 | |
| 6416 | // Translate GCC's misnamer '-fasm' arguments to '-fgnu-keywords'. |
| 6417 | if (Arg *Asm = Args.getLastArg(Ids: options::OPT_fasm, Ids: options::OPT_fno_asm)) { |
| 6418 | if (Asm->getOption().matches(ID: options::OPT_fasm)) |
| 6419 | CmdArgs.push_back(Elt: "-fgnu-keywords"); |
| 6420 | else |
| 6421 | CmdArgs.push_back(Elt: "-fno-gnu-keywords"); |
| 6422 | } |
| 6423 | |
| 6424 | if (!ShouldEnableAutolink(Args, TC, JA)) |
| 6425 | CmdArgs.push_back(Elt: "-fno-autolink"); |
| 6426 | |
| 6427 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_ftemplate_depth_EQ); |
| 6428 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_foperator_arrow_depth_EQ); |
| 6429 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fconstexpr_depth_EQ); |
| 6430 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fconstexpr_steps_EQ); |
| 6431 | |
| 6432 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fexperimental_library); |
| 6433 | |
| 6434 | if (Args.hasArg(Ids: options::OPT_fexperimental_new_constant_interpreter)) |
| 6435 | CmdArgs.push_back(Elt: "-fexperimental-new-constant-interpreter"); |
| 6436 | |
| 6437 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fbracket_depth_EQ)) { |
| 6438 | CmdArgs.push_back(Elt: "-fbracket-depth"); |
| 6439 | CmdArgs.push_back(Elt: A->getValue()); |
| 6440 | } |
| 6441 | |
| 6442 | if (Arg *A = Args.getLastArg(Ids: options::OPT_Wlarge_by_value_copy_EQ, |
| 6443 | Ids: options::OPT_Wlarge_by_value_copy_def)) { |
| 6444 | if (A->getNumValues()) { |
| 6445 | StringRef bytes = A->getValue(); |
| 6446 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-Wlarge-by-value-copy="+ bytes)); |
| 6447 | } else |
| 6448 | CmdArgs.push_back(Elt: "-Wlarge-by-value-copy=64"); // default value |
| 6449 | } |
| 6450 | |
| 6451 | if (Args.hasArg(Ids: options::OPT_relocatable_pch)) |
| 6452 | CmdArgs.push_back(Elt: "-relocatable-pch"); |
| 6453 | |
| 6454 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_fcf_runtime_abi_EQ)) { |
| 6455 | static const char *kCFABIs[] = { |
| 6456 | "standalone", "objc", "swift", "swift-5.0", "swift-4.2", "swift-4.1", |
| 6457 | }; |
| 6458 | |
| 6459 | if (!llvm::is_contained(Range&: kCFABIs, Element: StringRef(A->getValue()))) |
| 6460 | D.Diag(DiagID: diag::err_drv_invalid_cf_runtime_abi) << A->getValue(); |
| 6461 | else |
| 6462 | A->render(Args, Output&: CmdArgs); |
| 6463 | } |
| 6464 | |
| 6465 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fconstant_string_class_EQ)) { |
| 6466 | CmdArgs.push_back(Elt: "-fconstant-string-class"); |
| 6467 | CmdArgs.push_back(Elt: A->getValue()); |
| 6468 | } |
| 6469 | |
| 6470 | if (Arg *A = Args.getLastArg(Ids: options::OPT_ftabstop_EQ)) { |
| 6471 | CmdArgs.push_back(Elt: "-ftabstop"); |
| 6472 | CmdArgs.push_back(Elt: A->getValue()); |
| 6473 | } |
| 6474 | |
| 6475 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fstack_size_section, |
| 6476 | Neg: options::OPT_fno_stack_size_section); |
| 6477 | |
| 6478 | if (Args.hasArg(Ids: options::OPT_fstack_usage)) { |
| 6479 | CmdArgs.push_back(Elt: "-stack-usage-file"); |
| 6480 | |
| 6481 | if (Arg *OutputOpt = Args.getLastArg(Ids: options::OPT_o)) { |
| 6482 | SmallString<128> OutputFilename(OutputOpt->getValue()); |
| 6483 | llvm::sys::path::replace_extension(path&: OutputFilename, extension: "su"); |
| 6484 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: OutputFilename)); |
| 6485 | } else |
| 6486 | CmdArgs.push_back( |
| 6487 | Elt: Args.MakeArgString(Str: Twine(getBaseInputStem(Args, Inputs)) + ".su")); |
| 6488 | } |
| 6489 | |
| 6490 | CmdArgs.push_back(Elt: "-ferror-limit"); |
| 6491 | if (Arg *A = Args.getLastArg(Ids: options::OPT_ferror_limit_EQ)) |
| 6492 | CmdArgs.push_back(Elt: A->getValue()); |
| 6493 | else |
| 6494 | CmdArgs.push_back(Elt: "19"); |
| 6495 | |
| 6496 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fconstexpr_backtrace_limit_EQ); |
| 6497 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fmacro_backtrace_limit_EQ); |
| 6498 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_ftemplate_backtrace_limit_EQ); |
| 6499 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fspell_checking_limit_EQ); |
| 6500 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fcaret_diagnostics_max_lines_EQ); |
| 6501 | |
| 6502 | // Pass -fmessage-length=. |
| 6503 | unsigned MessageLength = 0; |
| 6504 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fmessage_length_EQ)) { |
| 6505 | StringRef V(A->getValue()); |
| 6506 | if (V.getAsInteger(Radix: 0, Result&: MessageLength)) |
| 6507 | D.Diag(DiagID: diag::err_drv_invalid_argument_to_option) |
| 6508 | << V << A->getOption().getName(); |
| 6509 | } else { |
| 6510 | // If -fmessage-length=N was not specified, determine whether this is a |
| 6511 | // terminal and, if so, implicitly define -fmessage-length appropriately. |
| 6512 | MessageLength = llvm::sys::Process::StandardErrColumns(); |
| 6513 | } |
| 6514 | if (MessageLength != 0) |
| 6515 | CmdArgs.push_back( |
| 6516 | Elt: Args.MakeArgString(Str: "-fmessage-length="+ Twine(MessageLength))); |
| 6517 | |
| 6518 | if (Arg *A = Args.getLastArg(Ids: options::OPT_frandomize_layout_seed_EQ)) |
| 6519 | CmdArgs.push_back( |
| 6520 | Elt: Args.MakeArgString(Str: "-frandomize-layout-seed="+ Twine(A->getValue(N: 0)))); |
| 6521 | |
| 6522 | if (Arg *A = Args.getLastArg(Ids: options::OPT_frandomize_layout_seed_file_EQ)) |
| 6523 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-frandomize-layout-seed-file="+ |
| 6524 | Twine(A->getValue(N: 0)))); |
| 6525 | |
| 6526 | // -fvisibility= and -fvisibility-ms-compat are of a piece. |
| 6527 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_fvisibility_EQ, |
| 6528 | Ids: options::OPT_fvisibility_ms_compat)) { |
| 6529 | if (A->getOption().matches(ID: options::OPT_fvisibility_EQ)) { |
| 6530 | A->render(Args, Output&: CmdArgs); |
| 6531 | } else { |
| 6532 | assert(A->getOption().matches(options::OPT_fvisibility_ms_compat)); |
| 6533 | CmdArgs.push_back(Elt: "-fvisibility=hidden"); |
| 6534 | CmdArgs.push_back(Elt: "-ftype-visibility=default"); |
| 6535 | } |
| 6536 | } else if (IsOpenMPDevice) { |
| 6537 | // When compiling for the OpenMP device we want protected visibility by |
| 6538 | // default. This prevents the device from accidentally preempting code on |
| 6539 | // the host, makes the system more robust, and improves performance. |
| 6540 | CmdArgs.push_back(Elt: "-fvisibility=protected"); |
| 6541 | } |
| 6542 | |
| 6543 | // PS4/PS5 process these options in addClangTargetOptions. |
| 6544 | if (!RawTriple.isPS()) { |
| 6545 | if (const Arg *A = |
| 6546 | Args.getLastArg(Ids: options::OPT_fvisibility_from_dllstorageclass, |
| 6547 | Ids: options::OPT_fno_visibility_from_dllstorageclass)) { |
| 6548 | if (A->getOption().matches( |
| 6549 | ID: options::OPT_fvisibility_from_dllstorageclass)) { |
| 6550 | CmdArgs.push_back(Elt: "-fvisibility-from-dllstorageclass"); |
| 6551 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fvisibility_dllexport_EQ); |
| 6552 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fvisibility_nodllstorageclass_EQ); |
| 6553 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fvisibility_externs_dllimport_EQ); |
| 6554 | Args.AddLastArg(Output&: CmdArgs, |
| 6555 | Ids: options::OPT_fvisibility_externs_nodllstorageclass_EQ); |
| 6556 | } |
| 6557 | } |
| 6558 | } |
| 6559 | |
| 6560 | if (Args.hasFlag(Pos: options::OPT_fvisibility_inlines_hidden, |
| 6561 | Neg: options::OPT_fno_visibility_inlines_hidden, Default: false)) |
| 6562 | CmdArgs.push_back(Elt: "-fvisibility-inlines-hidden"); |
| 6563 | |
| 6564 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fvisibility_inlines_hidden_static_local_var, |
| 6565 | Ids: options::OPT_fno_visibility_inlines_hidden_static_local_var); |
| 6566 | |
| 6567 | // -fvisibility-global-new-delete-hidden is a deprecated spelling of |
| 6568 | // -fvisibility-global-new-delete=force-hidden. |
| 6569 | if (const Arg *A = |
| 6570 | Args.getLastArg(Ids: options::OPT_fvisibility_global_new_delete_hidden)) { |
| 6571 | D.Diag(DiagID: diag::warn_drv_deprecated_arg) |
| 6572 | << A->getAsString(Args) << /*hasReplacement=*/true |
| 6573 | << "-fvisibility-global-new-delete=force-hidden"; |
| 6574 | } |
| 6575 | |
| 6576 | if (const Arg *A = |
| 6577 | Args.getLastArg(Ids: options::OPT_fvisibility_global_new_delete_EQ, |
| 6578 | Ids: options::OPT_fvisibility_global_new_delete_hidden)) { |
| 6579 | if (A->getOption().matches(ID: options::OPT_fvisibility_global_new_delete_EQ)) { |
| 6580 | A->render(Args, Output&: CmdArgs); |
| 6581 | } else { |
| 6582 | assert(A->getOption().matches( |
| 6583 | options::OPT_fvisibility_global_new_delete_hidden)); |
| 6584 | CmdArgs.push_back(Elt: "-fvisibility-global-new-delete=force-hidden"); |
| 6585 | } |
| 6586 | } |
| 6587 | |
| 6588 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_ftlsmodel_EQ); |
| 6589 | |
| 6590 | if (Args.hasFlag(Pos: options::OPT_fnew_infallible, |
| 6591 | Neg: options::OPT_fno_new_infallible, Default: false)) |
| 6592 | CmdArgs.push_back(Elt: "-fnew-infallible"); |
| 6593 | |
| 6594 | if (Args.hasFlag(Pos: options::OPT_fno_operator_names, |
| 6595 | Neg: options::OPT_foperator_names, Default: false)) |
| 6596 | CmdArgs.push_back(Elt: "-fno-operator-names"); |
| 6597 | |
| 6598 | // Forward -f (flag) options which we can pass directly. |
| 6599 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_femit_all_decls); |
| 6600 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fheinous_gnu_extensions); |
| 6601 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fdigraphs, Ids: options::OPT_fno_digraphs); |
| 6602 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fzero_call_used_regs_EQ); |
| 6603 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fraw_string_literals, |
| 6604 | Ids: options::OPT_fno_raw_string_literals); |
| 6605 | |
| 6606 | if (Args.hasFlag(Pos: options::OPT_femulated_tls, Neg: options::OPT_fno_emulated_tls, |
| 6607 | Default: Triple.hasDefaultEmulatedTLS())) |
| 6608 | CmdArgs.push_back(Elt: "-femulated-tls"); |
| 6609 | |
| 6610 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fcheck_new, |
| 6611 | Neg: options::OPT_fno_check_new); |
| 6612 | |
| 6613 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fzero_call_used_regs_EQ)) { |
| 6614 | // FIXME: There's no reason for this to be restricted to X86. The backend |
| 6615 | // code needs to be changed to include the appropriate function calls |
| 6616 | // automatically. |
| 6617 | if (!Triple.isX86() && !Triple.isAArch64()) |
| 6618 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 6619 | << A->getAsString(Args) << TripleStr; |
| 6620 | } |
| 6621 | |
| 6622 | // AltiVec-like language extensions aren't relevant for assembling. |
| 6623 | if (!isa<PreprocessJobAction>(Val: JA) || Output.getType() != types::TY_PP_Asm) |
| 6624 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fzvector); |
| 6625 | |
| 6626 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fdiagnostics_show_template_tree); |
| 6627 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fno_elide_type); |
| 6628 | |
| 6629 | // Forward flags for OpenMP. We don't do this if the current action is an |
| 6630 | // device offloading action other than OpenMP. |
| 6631 | if (Args.hasFlag(Pos: options::OPT_fopenmp, PosAlias: options::OPT_fopenmp_EQ, |
| 6632 | Neg: options::OPT_fno_openmp, Default: false) && |
| 6633 | (JA.isDeviceOffloading(OKind: Action::OFK_None) || |
| 6634 | JA.isDeviceOffloading(OKind: Action::OFK_OpenMP))) { |
| 6635 | switch (D.getOpenMPRuntime(Args)) { |
| 6636 | case Driver::OMPRT_OMP: |
| 6637 | case Driver::OMPRT_IOMP5: |
| 6638 | // Clang can generate useful OpenMP code for these two runtime libraries. |
| 6639 | CmdArgs.push_back(Elt: "-fopenmp"); |
| 6640 | |
| 6641 | // If no option regarding the use of TLS in OpenMP codegeneration is |
| 6642 | // given, decide a default based on the target. Otherwise rely on the |
| 6643 | // options and pass the right information to the frontend. |
| 6644 | if (!Args.hasFlag(Pos: options::OPT_fopenmp_use_tls, |
| 6645 | Neg: options::OPT_fnoopenmp_use_tls, /*Default=*/true)) |
| 6646 | CmdArgs.push_back(Elt: "-fnoopenmp-use-tls"); |
| 6647 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fopenmp_simd, |
| 6648 | Ids: options::OPT_fno_openmp_simd); |
| 6649 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_fopenmp_enable_irbuilder); |
| 6650 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_fopenmp_version_EQ); |
| 6651 | if (!Args.hasFlag(Pos: options::OPT_fopenmp_extensions, |
| 6652 | Neg: options::OPT_fno_openmp_extensions, /*Default=*/true)) |
| 6653 | CmdArgs.push_back(Elt: "-fno-openmp-extensions"); |
| 6654 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_fopenmp_cuda_number_of_sm_EQ); |
| 6655 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_fopenmp_cuda_blocks_per_sm_EQ); |
| 6656 | Args.AddAllArgs(Output&: CmdArgs, |
| 6657 | Id0: options::OPT_fopenmp_cuda_teams_reduction_recs_num_EQ); |
| 6658 | if (Args.hasFlag(Pos: options::OPT_fopenmp_optimistic_collapse, |
| 6659 | Neg: options::OPT_fno_openmp_optimistic_collapse, |
| 6660 | /*Default=*/false)) |
| 6661 | CmdArgs.push_back(Elt: "-fopenmp-optimistic-collapse"); |
| 6662 | |
| 6663 | // When in OpenMP offloading mode with NVPTX target, forward |
| 6664 | // cuda-mode flag |
| 6665 | if (Args.hasFlag(Pos: options::OPT_fopenmp_cuda_mode, |
| 6666 | Neg: options::OPT_fno_openmp_cuda_mode, /*Default=*/false)) |
| 6667 | CmdArgs.push_back(Elt: "-fopenmp-cuda-mode"); |
| 6668 | |
| 6669 | // When in OpenMP offloading mode, enable debugging on the device. |
| 6670 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_fopenmp_target_debug_EQ); |
| 6671 | if (Args.hasFlag(Pos: options::OPT_fopenmp_target_debug, |
| 6672 | Neg: options::OPT_fno_openmp_target_debug, /*Default=*/false)) |
| 6673 | CmdArgs.push_back(Elt: "-fopenmp-target-debug"); |
| 6674 | |
| 6675 | // When in OpenMP offloading mode, forward assumptions information about |
| 6676 | // thread and team counts in the device. |
| 6677 | if (Args.hasFlag(Pos: options::OPT_fopenmp_assume_teams_oversubscription, |
| 6678 | Neg: options::OPT_fno_openmp_assume_teams_oversubscription, |
| 6679 | /*Default=*/false)) |
| 6680 | CmdArgs.push_back(Elt: "-fopenmp-assume-teams-oversubscription"); |
| 6681 | if (Args.hasFlag(Pos: options::OPT_fopenmp_assume_threads_oversubscription, |
| 6682 | Neg: options::OPT_fno_openmp_assume_threads_oversubscription, |
| 6683 | /*Default=*/false)) |
| 6684 | CmdArgs.push_back(Elt: "-fopenmp-assume-threads-oversubscription"); |
| 6685 | if (Args.hasArg(Ids: options::OPT_fopenmp_assume_no_thread_state)) |
| 6686 | CmdArgs.push_back(Elt: "-fopenmp-assume-no-thread-state"); |
| 6687 | if (Args.hasArg(Ids: options::OPT_fopenmp_assume_no_nested_parallelism)) |
| 6688 | CmdArgs.push_back(Elt: "-fopenmp-assume-no-nested-parallelism"); |
| 6689 | if (Args.hasArg(Ids: options::OPT_fopenmp_offload_mandatory)) |
| 6690 | CmdArgs.push_back(Elt: "-fopenmp-offload-mandatory"); |
| 6691 | if (Args.hasArg(Ids: options::OPT_fopenmp_force_usm)) |
| 6692 | CmdArgs.push_back(Elt: "-fopenmp-force-usm"); |
| 6693 | break; |
| 6694 | default: |
| 6695 | // By default, if Clang doesn't know how to generate useful OpenMP code |
| 6696 | // for a specific runtime library, we just don't pass the '-fopenmp' flag |
| 6697 | // down to the actual compilation. |
| 6698 | // FIXME: It would be better to have a mode which *only* omits IR |
| 6699 | // generation based on the OpenMP support so that we get consistent |
| 6700 | // semantic analysis, etc. |
| 6701 | break; |
| 6702 | } |
| 6703 | } else { |
| 6704 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fopenmp_simd, |
| 6705 | Ids: options::OPT_fno_openmp_simd); |
| 6706 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_fopenmp_version_EQ); |
| 6707 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fopenmp_extensions, |
| 6708 | Neg: options::OPT_fno_openmp_extensions); |
| 6709 | } |
| 6710 | |
| 6711 | // Forward the new driver to change offloading code generation. |
| 6712 | if (Args.hasFlag(Pos: options::OPT_offload_new_driver, |
| 6713 | Neg: options::OPT_no_offload_new_driver, Default: false)) |
| 6714 | CmdArgs.push_back(Elt: "--offload-new-driver"); |
| 6715 | |
| 6716 | SanitizeArgs.addArgs(TC, Args, CmdArgs, InputType); |
| 6717 | |
| 6718 | const XRayArgs &XRay = TC.getXRayArgs(); |
| 6719 | XRay.addArgs(TC, Args, CmdArgs, InputType); |
| 6720 | |
| 6721 | for (const auto &Filename : |
| 6722 | Args.getAllArgValues(Id: options::OPT_fprofile_list_EQ)) { |
| 6723 | if (D.getVFS().exists(Path: Filename)) |
| 6724 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-fprofile-list="+ Filename)); |
| 6725 | else |
| 6726 | D.Diag(DiagID: clang::diag::err_drv_no_such_file) << Filename; |
| 6727 | } |
| 6728 | |
| 6729 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fpatchable_function_entry_EQ)) { |
| 6730 | StringRef S0 = A->getValue(), S = S0; |
| 6731 | unsigned Size, Offset = 0; |
| 6732 | if (!Triple.isAArch64() && !Triple.isLoongArch() && !Triple.isRISCV() && |
| 6733 | !Triple.isX86() && |
| 6734 | !(!Triple.isOSAIX() && (Triple.getArch() == llvm::Triple::ppc || |
| 6735 | Triple.getArch() == llvm::Triple::ppc64))) |
| 6736 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 6737 | << A->getAsString(Args) << TripleStr; |
| 6738 | else if (S.consumeInteger(Radix: 10, Result&: Size) || |
| 6739 | (!S.empty() && (!S.consume_front(Prefix: ",") || |
| 6740 | S.consumeInteger(Radix: 10, Result&: Offset) || !S.empty()))) |
| 6741 | D.Diag(DiagID: diag::err_drv_invalid_argument_to_option) |
| 6742 | << S0 << A->getOption().getName(); |
| 6743 | else if (Size < Offset) |
| 6744 | D.Diag(DiagID: diag::err_drv_unsupported_fpatchable_function_entry_argument); |
| 6745 | else { |
| 6746 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: A->getSpelling() + Twine(Size))); |
| 6747 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 6748 | Str: "-fpatchable-function-entry-offset="+ Twine(Offset))); |
| 6749 | } |
| 6750 | } |
| 6751 | |
| 6752 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fms_hotpatch); |
| 6753 | |
| 6754 | if (TC.SupportsProfiling()) { |
| 6755 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_pg); |
| 6756 | |
| 6757 | llvm::Triple::ArchType Arch = TC.getArch(); |
| 6758 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mfentry)) { |
| 6759 | if (Arch == llvm::Triple::systemz || TC.getTriple().isX86()) |
| 6760 | A->render(Args, Output&: CmdArgs); |
| 6761 | else |
| 6762 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 6763 | << A->getAsString(Args) << TripleStr; |
| 6764 | } |
| 6765 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mnop_mcount)) { |
| 6766 | if (Arch == llvm::Triple::systemz) |
| 6767 | A->render(Args, Output&: CmdArgs); |
| 6768 | else |
| 6769 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 6770 | << A->getAsString(Args) << TripleStr; |
| 6771 | } |
| 6772 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mrecord_mcount)) { |
| 6773 | if (Arch == llvm::Triple::systemz) |
| 6774 | A->render(Args, Output&: CmdArgs); |
| 6775 | else |
| 6776 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 6777 | << A->getAsString(Args) << TripleStr; |
| 6778 | } |
| 6779 | } |
| 6780 | |
| 6781 | if (Arg *A = Args.getLastArgNoClaim(Ids: options::OPT_pg)) { |
| 6782 | if (TC.getTriple().isOSzOS()) { |
| 6783 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 6784 | << A->getAsString(Args) << TripleStr; |
| 6785 | } |
| 6786 | } |
| 6787 | if (Arg *A = Args.getLastArgNoClaim(Ids: options::OPT_p)) { |
| 6788 | if (!(TC.getTriple().isOSAIX() || TC.getTriple().isOSOpenBSD())) { |
| 6789 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 6790 | << A->getAsString(Args) << TripleStr; |
| 6791 | } |
| 6792 | } |
| 6793 | if (Arg *A = Args.getLastArgNoClaim(Ids: options::OPT_p, Ids: options::OPT_pg)) { |
| 6794 | if (A->getOption().matches(ID: options::OPT_p)) { |
| 6795 | A->claim(); |
| 6796 | if (TC.getTriple().isOSAIX() && !Args.hasArgNoClaim(Ids: options::OPT_pg)) |
| 6797 | CmdArgs.push_back(Elt: "-pg"); |
| 6798 | } |
| 6799 | } |
| 6800 | |
| 6801 | // Reject AIX-specific link options on other targets. |
| 6802 | if (!TC.getTriple().isOSAIX()) { |
| 6803 | for (const Arg *A : Args.filtered(Ids: options::OPT_b, Ids: options::OPT_K, |
| 6804 | Ids: options::OPT_mxcoff_build_id_EQ)) { |
| 6805 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 6806 | << A->getSpelling() << TripleStr; |
| 6807 | } |
| 6808 | } |
| 6809 | |
| 6810 | if (Args.getLastArg(Ids: options::OPT_fapple_kext) || |
| 6811 | (Args.hasArg(Ids: options::OPT_mkernel) && types::isCXX(Id: InputType))) |
| 6812 | CmdArgs.push_back(Elt: "-fapple-kext"); |
| 6813 | |
| 6814 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_altivec_src_compat); |
| 6815 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_flax_vector_conversions_EQ); |
| 6816 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fobjc_sender_dependent_dispatch); |
| 6817 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fdiagnostics_print_source_range_info); |
| 6818 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fdiagnostics_parseable_fixits); |
| 6819 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_ftime_report); |
| 6820 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_ftime_report_EQ); |
| 6821 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_ftrapv); |
| 6822 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_malign_double); |
| 6823 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fno_temp_file); |
| 6824 | |
| 6825 | if (const char *Name = C.getTimeTraceFile(JA: &JA)) { |
| 6826 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-ftime-trace="+ Twine(Name))); |
| 6827 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_ftime_trace_granularity_EQ); |
| 6828 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_ftime_trace_verbose); |
| 6829 | } |
| 6830 | |
| 6831 | if (Arg *A = Args.getLastArg(Ids: options::OPT_ftrapv_handler_EQ)) { |
| 6832 | CmdArgs.push_back(Elt: "-ftrapv-handler"); |
| 6833 | CmdArgs.push_back(Elt: A->getValue()); |
| 6834 | } |
| 6835 | |
| 6836 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_ftrap_function_EQ); |
| 6837 | |
| 6838 | // -fno-strict-overflow implies -fwrapv if it isn't disabled, but |
| 6839 | // -fstrict-overflow won't turn off an explicitly enabled -fwrapv. |
| 6840 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fwrapv, Ids: options::OPT_fno_wrapv)) { |
| 6841 | if (A->getOption().matches(ID: options::OPT_fwrapv)) |
| 6842 | CmdArgs.push_back(Elt: "-fwrapv"); |
| 6843 | } else if (Arg *A = Args.getLastArg(Ids: options::OPT_fstrict_overflow, |
| 6844 | Ids: options::OPT_fno_strict_overflow)) { |
| 6845 | if (A->getOption().matches(ID: options::OPT_fno_strict_overflow)) |
| 6846 | CmdArgs.push_back(Elt: "-fwrapv"); |
| 6847 | } |
| 6848 | |
| 6849 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_ffinite_loops, |
| 6850 | Ids: options::OPT_fno_finite_loops); |
| 6851 | |
| 6852 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fwritable_strings); |
| 6853 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_funroll_loops, |
| 6854 | Ids: options::OPT_fno_unroll_loops); |
| 6855 | |
| 6856 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fstrict_flex_arrays_EQ); |
| 6857 | |
| 6858 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_pthread); |
| 6859 | |
| 6860 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_mspeculative_load_hardening, |
| 6861 | Neg: options::OPT_mno_speculative_load_hardening); |
| 6862 | |
| 6863 | RenderSSPOptions(D, TC, Args, CmdArgs, KernelOrKext); |
| 6864 | RenderSCPOptions(TC, Args, CmdArgs); |
| 6865 | RenderTrivialAutoVarInitOptions(D, TC, Args, CmdArgs); |
| 6866 | |
| 6867 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fswift_async_fp_EQ); |
| 6868 | |
| 6869 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_mstackrealign, |
| 6870 | Neg: options::OPT_mno_stackrealign); |
| 6871 | |
| 6872 | if (Args.hasArg(Ids: options::OPT_mstack_alignment)) { |
| 6873 | StringRef alignment = Args.getLastArgValue(Id: options::OPT_mstack_alignment); |
| 6874 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-mstack-alignment="+ alignment)); |
| 6875 | } |
| 6876 | |
| 6877 | if (Args.hasArg(Ids: options::OPT_mstack_probe_size)) { |
| 6878 | StringRef Size = Args.getLastArgValue(Id: options::OPT_mstack_probe_size); |
| 6879 | |
| 6880 | if (!Size.empty()) |
| 6881 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-mstack-probe-size="+ Size)); |
| 6882 | else |
| 6883 | CmdArgs.push_back(Elt: "-mstack-probe-size=0"); |
| 6884 | } |
| 6885 | |
| 6886 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_mstack_arg_probe, |
| 6887 | Neg: options::OPT_mno_stack_arg_probe); |
| 6888 | |
| 6889 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mrestrict_it, |
| 6890 | Ids: options::OPT_mno_restrict_it)) { |
| 6891 | if (A->getOption().matches(ID: options::OPT_mrestrict_it)) { |
| 6892 | CmdArgs.push_back(Elt: "-mllvm"); |
| 6893 | CmdArgs.push_back(Elt: "-arm-restrict-it"); |
| 6894 | } else { |
| 6895 | CmdArgs.push_back(Elt: "-mllvm"); |
| 6896 | CmdArgs.push_back(Elt: "-arm-default-it"); |
| 6897 | } |
| 6898 | } |
| 6899 | |
| 6900 | // Forward -cl options to -cc1 |
| 6901 | RenderOpenCLOptions(Args, CmdArgs, InputType); |
| 6902 | |
| 6903 | // Forward hlsl options to -cc1 |
| 6904 | RenderHLSLOptions(Args, CmdArgs, InputType); |
| 6905 | |
| 6906 | // Forward OpenACC options to -cc1 |
| 6907 | RenderOpenACCOptions(D, Args, CmdArgs, InputType); |
| 6908 | |
| 6909 | if (IsHIP) { |
| 6910 | if (Args.hasFlag(Pos: options::OPT_fhip_new_launch_api, |
| 6911 | Neg: options::OPT_fno_hip_new_launch_api, Default: true)) |
| 6912 | CmdArgs.push_back(Elt: "-fhip-new-launch-api"); |
| 6913 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fgpu_allow_device_init, |
| 6914 | Neg: options::OPT_fno_gpu_allow_device_init); |
| 6915 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_hipstdpar); |
| 6916 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_hipstdpar_interpose_alloc); |
| 6917 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fhip_kernel_arg_name, |
| 6918 | Neg: options::OPT_fno_hip_kernel_arg_name); |
| 6919 | } |
| 6920 | |
| 6921 | if (IsCuda || IsHIP) { |
| 6922 | if (IsRDCMode) |
| 6923 | CmdArgs.push_back(Elt: "-fgpu-rdc"); |
| 6924 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fgpu_defer_diag, |
| 6925 | Neg: options::OPT_fno_gpu_defer_diag); |
| 6926 | if (Args.hasFlag(Pos: options::OPT_fgpu_exclude_wrong_side_overloads, |
| 6927 | Neg: options::OPT_fno_gpu_exclude_wrong_side_overloads, |
| 6928 | Default: false)) { |
| 6929 | CmdArgs.push_back(Elt: "-fgpu-exclude-wrong-side-overloads"); |
| 6930 | CmdArgs.push_back(Elt: "-fgpu-defer-diag"); |
| 6931 | } |
| 6932 | } |
| 6933 | |
| 6934 | // Forward -nogpulib to -cc1. |
| 6935 | if (Args.hasArg(Ids: options::OPT_nogpulib)) |
| 6936 | CmdArgs.push_back(Elt: "-nogpulib"); |
| 6937 | |
| 6938 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fcf_protection_EQ)) { |
| 6939 | CmdArgs.push_back( |
| 6940 | Elt: Args.MakeArgString(Str: Twine("-fcf-protection=") + A->getValue())); |
| 6941 | } |
| 6942 | |
| 6943 | if (Arg *A = Args.getLastArg(Ids: options::OPT_mfunction_return_EQ)) |
| 6944 | CmdArgs.push_back( |
| 6945 | Elt: Args.MakeArgString(Str: Twine("-mfunction-return=") + A->getValue())); |
| 6946 | |
| 6947 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_mindirect_branch_cs_prefix); |
| 6948 | |
| 6949 | // Forward -f options with positive and negative forms; we translate these by |
| 6950 | // hand. Do not propagate PGO options to the GPU-side compilations as the |
| 6951 | // profile info is for the host-side compilation only. |
| 6952 | if (!(IsCudaDevice || IsHIPDevice)) { |
| 6953 | if (Arg *A = getLastProfileSampleUseArg(Args)) { |
| 6954 | auto *PGOArg = Args.getLastArg( |
| 6955 | Ids: options::OPT_fprofile_generate, Ids: options::OPT_fprofile_generate_EQ, |
| 6956 | Ids: options::OPT_fcs_profile_generate, |
| 6957 | Ids: options::OPT_fcs_profile_generate_EQ, Ids: options::OPT_fprofile_use, |
| 6958 | Ids: options::OPT_fprofile_use_EQ); |
| 6959 | if (PGOArg) |
| 6960 | D.Diag(DiagID: diag::err_drv_argument_not_allowed_with) |
| 6961 | << "SampleUse with PGO options"; |
| 6962 | |
| 6963 | StringRef fname = A->getValue(); |
| 6964 | if (!llvm::sys::fs::exists(Path: fname)) |
| 6965 | D.Diag(DiagID: diag::err_drv_no_such_file) << fname; |
| 6966 | else |
| 6967 | A->render(Args, Output&: CmdArgs); |
| 6968 | } |
| 6969 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fprofile_remapping_file_EQ); |
| 6970 | |
| 6971 | if (Args.hasFlag(Pos: options::OPT_fpseudo_probe_for_profiling, |
| 6972 | Neg: options::OPT_fno_pseudo_probe_for_profiling, Default: false)) { |
| 6973 | CmdArgs.push_back(Elt: "-fpseudo-probe-for-profiling"); |
| 6974 | // Enforce -funique-internal-linkage-names if it's not explicitly turned |
| 6975 | // off. |
| 6976 | if (Args.hasFlag(Pos: options::OPT_funique_internal_linkage_names, |
| 6977 | Neg: options::OPT_fno_unique_internal_linkage_names, Default: true)) |
| 6978 | CmdArgs.push_back(Elt: "-funique-internal-linkage-names"); |
| 6979 | } |
| 6980 | } |
| 6981 | RenderBuiltinOptions(TC, T: RawTriple, Args, CmdArgs); |
| 6982 | |
| 6983 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fassume_sane_operator_new, |
| 6984 | Neg: options::OPT_fno_assume_sane_operator_new); |
| 6985 | |
| 6986 | if (Args.hasFlag(Pos: options::OPT_fapinotes, Neg: options::OPT_fno_apinotes, Default: false)) |
| 6987 | CmdArgs.push_back(Elt: "-fapinotes"); |
| 6988 | if (Args.hasFlag(Pos: options::OPT_fapinotes_modules, |
| 6989 | Neg: options::OPT_fno_apinotes_modules, Default: false)) |
| 6990 | CmdArgs.push_back(Elt: "-fapinotes-modules"); |
| 6991 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fapinotes_swift_version); |
| 6992 | |
| 6993 | // -fblocks=0 is default. |
| 6994 | if (Args.hasFlag(Pos: options::OPT_fblocks, Neg: options::OPT_fno_blocks, |
| 6995 | Default: TC.IsBlocksDefault()) || |
| 6996 | (Args.hasArg(Ids: options::OPT_fgnu_runtime) && |
| 6997 | Args.hasArg(Ids: options::OPT_fobjc_nonfragile_abi) && |
| 6998 | !Args.hasArg(Ids: options::OPT_fno_blocks))) { |
| 6999 | CmdArgs.push_back(Elt: "-fblocks"); |
| 7000 | |
| 7001 | if (!Args.hasArg(Ids: options::OPT_fgnu_runtime) && !TC.hasBlocksRuntime()) |
| 7002 | CmdArgs.push_back(Elt: "-fblocks-runtime-optional"); |
| 7003 | } |
| 7004 | |
| 7005 | // -fencode-extended-block-signature=1 is default. |
| 7006 | if (TC.IsEncodeExtendedBlockSignatureDefault()) |
| 7007 | CmdArgs.push_back(Elt: "-fencode-extended-block-signature"); |
| 7008 | |
| 7009 | if (Args.hasFlag(Pos: options::OPT_fcoro_aligned_allocation, |
| 7010 | Neg: options::OPT_fno_coro_aligned_allocation, Default: false) && |
| 7011 | types::isCXX(Id: InputType)) |
| 7012 | CmdArgs.push_back(Elt: "-fcoro-aligned-allocation"); |
| 7013 | |
| 7014 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fdouble_square_bracket_attributes, |
| 7015 | Ids: options::OPT_fno_double_square_bracket_attributes); |
| 7016 | |
| 7017 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_faccess_control, |
| 7018 | Neg: options::OPT_fno_access_control); |
| 7019 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_felide_constructors, |
| 7020 | Neg: options::OPT_fno_elide_constructors); |
| 7021 | |
| 7022 | ToolChain::RTTIMode RTTIMode = TC.getRTTIMode(); |
| 7023 | |
| 7024 | if (KernelOrKext || (types::isCXX(Id: InputType) && |
| 7025 | (RTTIMode == ToolChain::RM_Disabled))) |
| 7026 | CmdArgs.push_back(Elt: "-fno-rtti"); |
| 7027 | |
| 7028 | // -fshort-enums=0 is default for all architectures except Hexagon and z/OS. |
| 7029 | if (Args.hasFlag(Pos: options::OPT_fshort_enums, Neg: options::OPT_fno_short_enums, |
| 7030 | Default: TC.getArch() == llvm::Triple::hexagon || Triple.isOSzOS())) |
| 7031 | CmdArgs.push_back(Elt: "-fshort-enums"); |
| 7032 | |
| 7033 | RenderCharacterOptions(Args, T: AuxTriple ? *AuxTriple : RawTriple, CmdArgs); |
| 7034 | |
| 7035 | // -fuse-cxa-atexit is default. |
| 7036 | if (!Args.hasFlag( |
| 7037 | Pos: options::OPT_fuse_cxa_atexit, Neg: options::OPT_fno_use_cxa_atexit, |
| 7038 | Default: !RawTriple.isOSAIX() && !RawTriple.isOSWindows() && |
| 7039 | ((RawTriple.getVendor() != llvm::Triple::MipsTechnologies) || |
| 7040 | RawTriple.hasEnvironment())) || |
| 7041 | KernelOrKext) |
| 7042 | CmdArgs.push_back(Elt: "-fno-use-cxa-atexit"); |
| 7043 | |
| 7044 | if (Args.hasFlag(Pos: options::OPT_fregister_global_dtors_with_atexit, |
| 7045 | Neg: options::OPT_fno_register_global_dtors_with_atexit, |
| 7046 | Default: RawTriple.isOSDarwin() && !KernelOrKext)) |
| 7047 | CmdArgs.push_back(Elt: "-fregister-global-dtors-with-atexit"); |
| 7048 | |
| 7049 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fuse_line_directives, |
| 7050 | Neg: options::OPT_fno_use_line_directives); |
| 7051 | |
| 7052 | // -fno-minimize-whitespace is default. |
| 7053 | if (Args.hasFlag(Pos: options::OPT_fminimize_whitespace, |
| 7054 | Neg: options::OPT_fno_minimize_whitespace, Default: false)) { |
| 7055 | types::ID InputType = Inputs[0].getType(); |
| 7056 | if (!isDerivedFromC(Id: InputType)) |
| 7057 | D.Diag(DiagID: diag::err_drv_opt_unsupported_input_type) |
| 7058 | << "-fminimize-whitespace"<< types::getTypeName(Id: InputType); |
| 7059 | CmdArgs.push_back(Elt: "-fminimize-whitespace"); |
| 7060 | } |
| 7061 | |
| 7062 | // -fno-keep-system-includes is default. |
| 7063 | if (Args.hasFlag(Pos: options::OPT_fkeep_system_includes, |
| 7064 | Neg: options::OPT_fno_keep_system_includes, Default: false)) { |
| 7065 | types::ID InputType = Inputs[0].getType(); |
| 7066 | if (!isDerivedFromC(Id: InputType)) |
| 7067 | D.Diag(DiagID: diag::err_drv_opt_unsupported_input_type) |
| 7068 | << "-fkeep-system-includes"<< types::getTypeName(Id: InputType); |
| 7069 | CmdArgs.push_back(Elt: "-fkeep-system-includes"); |
| 7070 | } |
| 7071 | |
| 7072 | // -fms-extensions=0 is default. |
| 7073 | if (Args.hasFlag(Pos: options::OPT_fms_extensions, Neg: options::OPT_fno_ms_extensions, |
| 7074 | Default: IsWindowsMSVC)) |
| 7075 | CmdArgs.push_back(Elt: "-fms-extensions"); |
| 7076 | |
| 7077 | // -fms-compatibility=0 is default. |
| 7078 | bool IsMSVCCompat = Args.hasFlag( |
| 7079 | Pos: options::OPT_fms_compatibility, Neg: options::OPT_fno_ms_compatibility, |
| 7080 | Default: (IsWindowsMSVC && Args.hasFlag(Pos: options::OPT_fms_extensions, |
| 7081 | Neg: options::OPT_fno_ms_extensions, Default: true))); |
| 7082 | if (IsMSVCCompat) { |
| 7083 | CmdArgs.push_back(Elt: "-fms-compatibility"); |
| 7084 | if (!types::isCXX(Id: Input.getType()) && |
| 7085 | Args.hasArg(Ids: options::OPT_fms_define_stdc)) |
| 7086 | CmdArgs.push_back(Elt: "-fms-define-stdc"); |
| 7087 | } |
| 7088 | |
| 7089 | if (Triple.isWindowsMSVCEnvironment() && !D.IsCLMode() && |
| 7090 | Args.hasArg(Ids: options::OPT_fms_runtime_lib_EQ)) |
| 7091 | ProcessVSRuntimeLibrary(TC: getToolChain(), Args, CmdArgs); |
| 7092 | |
| 7093 | // Handle -fgcc-version, if present. |
| 7094 | VersionTuple GNUCVer; |
| 7095 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fgnuc_version_EQ)) { |
| 7096 | // Check that the version has 1 to 3 components and the minor and patch |
| 7097 | // versions fit in two decimal digits. |
| 7098 | StringRef Val = A->getValue(); |
| 7099 | Val = Val.empty() ? "0": Val; // Treat "" as 0 or disable. |
| 7100 | bool Invalid = GNUCVer.tryParse(string: Val); |
| 7101 | unsigned Minor = GNUCVer.getMinor().value_or(u: 0); |
| 7102 | unsigned Patch = GNUCVer.getSubminor().value_or(u: 0); |
| 7103 | if (Invalid || GNUCVer.getBuild() || Minor >= 100 || Patch >= 100) { |
| 7104 | D.Diag(DiagID: diag::err_drv_invalid_value) |
| 7105 | << A->getAsString(Args) << A->getValue(); |
| 7106 | } |
| 7107 | } else if (!IsMSVCCompat) { |
| 7108 | // Imitate GCC 4.2.1 by default if -fms-compatibility is not in effect. |
| 7109 | GNUCVer = VersionTuple(4, 2, 1); |
| 7110 | } |
| 7111 | if (!GNUCVer.empty()) { |
| 7112 | CmdArgs.push_back( |
| 7113 | Elt: Args.MakeArgString(Str: "-fgnuc-version="+ GNUCVer.getAsString())); |
| 7114 | } |
| 7115 | |
| 7116 | VersionTuple MSVT = TC.computeMSVCVersion(D: &D, Args); |
| 7117 | if (!MSVT.empty()) |
| 7118 | CmdArgs.push_back( |
| 7119 | Elt: Args.MakeArgString(Str: "-fms-compatibility-version="+ MSVT.getAsString())); |
| 7120 | |
| 7121 | bool IsMSVC2015Compatible = MSVT.getMajor() >= 19; |
| 7122 | if (ImplyVCPPCVer) { |
| 7123 | StringRef LanguageStandard; |
| 7124 | if (const Arg *StdArg = Args.getLastArg(Ids: options::OPT__SLASH_std)) { |
| 7125 | Std = StdArg; |
| 7126 | LanguageStandard = llvm::StringSwitch<StringRef>(StdArg->getValue()) |
| 7127 | .Case(S: "c11", Value: "-std=c11") |
| 7128 | .Case(S: "c17", Value: "-std=c17") |
| 7129 | .Default(Value: ""); |
| 7130 | if (LanguageStandard.empty()) |
| 7131 | D.Diag(DiagID: clang::diag::warn_drv_unused_argument) |
| 7132 | << StdArg->getAsString(Args); |
| 7133 | } |
| 7134 | CmdArgs.push_back(Elt: LanguageStandard.data()); |
| 7135 | } |
| 7136 | if (ImplyVCPPCXXVer) { |
| 7137 | StringRef LanguageStandard; |
| 7138 | if (const Arg *StdArg = Args.getLastArg(Ids: options::OPT__SLASH_std)) { |
| 7139 | Std = StdArg; |
| 7140 | LanguageStandard = llvm::StringSwitch<StringRef>(StdArg->getValue()) |
| 7141 | .Case(S: "c++14", Value: "-std=c++14") |
| 7142 | .Case(S: "c++17", Value: "-std=c++17") |
| 7143 | .Case(S: "c++20", Value: "-std=c++20") |
| 7144 | // TODO add c++23 and c++26 when MSVC supports it. |
| 7145 | .Case(S: "c++latest", Value: "-std=c++26") |
| 7146 | .Default(Value: ""); |
| 7147 | if (LanguageStandard.empty()) |
| 7148 | D.Diag(DiagID: clang::diag::warn_drv_unused_argument) |
| 7149 | << StdArg->getAsString(Args); |
| 7150 | } |
| 7151 | |
| 7152 | if (LanguageStandard.empty()) { |
| 7153 | if (IsMSVC2015Compatible) |
| 7154 | LanguageStandard = "-std=c++14"; |
| 7155 | else |
| 7156 | LanguageStandard = "-std=c++11"; |
| 7157 | } |
| 7158 | |
| 7159 | CmdArgs.push_back(Elt: LanguageStandard.data()); |
| 7160 | } |
| 7161 | |
| 7162 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fborland_extensions, |
| 7163 | Neg: options::OPT_fno_borland_extensions); |
| 7164 | |
| 7165 | // -fno-declspec is default, except for PS4/PS5. |
| 7166 | if (Args.hasFlag(Pos: options::OPT_fdeclspec, Neg: options::OPT_fno_declspec, |
| 7167 | Default: RawTriple.isPS())) |
| 7168 | CmdArgs.push_back(Elt: "-fdeclspec"); |
| 7169 | else if (Args.hasArg(Ids: options::OPT_fno_declspec)) |
| 7170 | CmdArgs.push_back(Elt: "-fno-declspec"); // Explicitly disabling __declspec. |
| 7171 | |
| 7172 | // -fthreadsafe-static is default, except for MSVC compatibility versions less |
| 7173 | // than 19. |
| 7174 | if (!Args.hasFlag(Pos: options::OPT_fthreadsafe_statics, |
| 7175 | Neg: options::OPT_fno_threadsafe_statics, |
| 7176 | Default: !types::isOpenCL(Id: InputType) && |
| 7177 | (!IsWindowsMSVC || IsMSVC2015Compatible))) |
| 7178 | CmdArgs.push_back(Elt: "-fno-threadsafe-statics"); |
| 7179 | |
| 7180 | // Add -fno-assumptions, if it was specified. |
| 7181 | if (!Args.hasFlag(Pos: options::OPT_fassumptions, Neg: options::OPT_fno_assumptions, |
| 7182 | Default: true)) |
| 7183 | CmdArgs.push_back(Elt: "-fno-assumptions"); |
| 7184 | |
| 7185 | // -fgnu-keywords default varies depending on language; only pass if |
| 7186 | // specified. |
| 7187 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fgnu_keywords, |
| 7188 | Ids: options::OPT_fno_gnu_keywords); |
| 7189 | |
| 7190 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fgnu89_inline, |
| 7191 | Neg: options::OPT_fno_gnu89_inline); |
| 7192 | |
| 7193 | const Arg *InlineArg = Args.getLastArg(Ids: options::OPT_finline_functions, |
| 7194 | Ids: options::OPT_finline_hint_functions, |
| 7195 | Ids: options::OPT_fno_inline_functions); |
| 7196 | if (Arg *A = Args.getLastArg(Ids: options::OPT_finline, Ids: options::OPT_fno_inline)) { |
| 7197 | if (A->getOption().matches(ID: options::OPT_fno_inline)) |
| 7198 | A->render(Args, Output&: CmdArgs); |
| 7199 | } else if (InlineArg) { |
| 7200 | InlineArg->render(Args, Output&: CmdArgs); |
| 7201 | } |
| 7202 | |
| 7203 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_finline_max_stacksize_EQ); |
| 7204 | |
| 7205 | // FIXME: Find a better way to determine whether we are in C++20. |
| 7206 | bool HaveCxx20 = |
| 7207 | Std && |
| 7208 | (Std->containsValue(Value: "c++2a") || Std->containsValue(Value: "gnu++2a") || |
| 7209 | Std->containsValue(Value: "c++20") || Std->containsValue(Value: "gnu++20") || |
| 7210 | Std->containsValue(Value: "c++2b") || Std->containsValue(Value: "gnu++2b") || |
| 7211 | Std->containsValue(Value: "c++23") || Std->containsValue(Value: "gnu++23") || |
| 7212 | Std->containsValue(Value: "c++2c") || Std->containsValue(Value: "gnu++2c") || |
| 7213 | Std->containsValue(Value: "c++26") || Std->containsValue(Value: "gnu++26") || |
| 7214 | Std->containsValue(Value: "c++latest") || Std->containsValue(Value: "gnu++latest")); |
| 7215 | bool HaveModules = |
| 7216 | RenderModulesOptions(C, D, Args, Input, Output, HaveStd20: HaveCxx20, CmdArgs); |
| 7217 | |
| 7218 | // -fdelayed-template-parsing is default when targeting MSVC. |
| 7219 | // Many old Windows SDK versions require this to parse. |
| 7220 | // |
| 7221 | // According to |
| 7222 | // https://learn.microsoft.com/en-us/cpp/build/reference/permissive-standards-conformance?view=msvc-170, |
| 7223 | // MSVC actually defaults to -fno-delayed-template-parsing (/Zc:twoPhase- |
| 7224 | // with MSVC CLI) if using C++20. So we match the behavior with MSVC here to |
| 7225 | // not enable -fdelayed-template-parsing by default after C++20. |
| 7226 | // |
| 7227 | // FIXME: Given -fdelayed-template-parsing is a source of bugs, we should be |
| 7228 | // able to disable this by default at some point. |
| 7229 | if (Args.hasFlag(Pos: options::OPT_fdelayed_template_parsing, |
| 7230 | Neg: options::OPT_fno_delayed_template_parsing, |
| 7231 | Default: IsWindowsMSVC && !HaveCxx20)) { |
| 7232 | if (HaveCxx20) |
| 7233 | D.Diag(DiagID: clang::diag::warn_drv_delayed_template_parsing_after_cxx20); |
| 7234 | |
| 7235 | CmdArgs.push_back(Elt: "-fdelayed-template-parsing"); |
| 7236 | } |
| 7237 | |
| 7238 | if (Args.hasFlag(Pos: options::OPT_fpch_validate_input_files_content, |
| 7239 | Neg: options::OPT_fno_pch_validate_input_files_content, Default: false)) |
| 7240 | CmdArgs.push_back(Elt: "-fvalidate-ast-input-files-content"); |
| 7241 | if (Args.hasFlag(Pos: options::OPT_fpch_instantiate_templates, |
| 7242 | Neg: options::OPT_fno_pch_instantiate_templates, Default: false)) |
| 7243 | CmdArgs.push_back(Elt: "-fpch-instantiate-templates"); |
| 7244 | if (Args.hasFlag(Pos: options::OPT_fpch_codegen, Neg: options::OPT_fno_pch_codegen, |
| 7245 | Default: false)) |
| 7246 | CmdArgs.push_back(Elt: "-fmodules-codegen"); |
| 7247 | if (Args.hasFlag(Pos: options::OPT_fpch_debuginfo, Neg: options::OPT_fno_pch_debuginfo, |
| 7248 | Default: false)) |
| 7249 | CmdArgs.push_back(Elt: "-fmodules-debuginfo"); |
| 7250 | |
| 7251 | ObjCRuntime Runtime = AddObjCRuntimeArgs(args: Args, inputs: Inputs, cmdArgs&: CmdArgs, rewrite: rewriteKind); |
| 7252 | RenderObjCOptions(TC, D, T: RawTriple, Args, Runtime, InferCovariantReturns: rewriteKind != RK_None, |
| 7253 | Input, CmdArgs); |
| 7254 | |
| 7255 | if (types::isObjC(Id: Input.getType()) && |
| 7256 | Args.hasFlag(Pos: options::OPT_fobjc_encode_cxx_class_template_spec, |
| 7257 | Neg: options::OPT_fno_objc_encode_cxx_class_template_spec, |
| 7258 | Default: !Runtime.isNeXTFamily())) |
| 7259 | CmdArgs.push_back(Elt: "-fobjc-encode-cxx-class-template-spec"); |
| 7260 | |
| 7261 | if (Args.hasFlag(Pos: options::OPT_fapplication_extension, |
| 7262 | Neg: options::OPT_fno_application_extension, Default: false)) |
| 7263 | CmdArgs.push_back(Elt: "-fapplication-extension"); |
| 7264 | |
| 7265 | // Handle GCC-style exception args. |
| 7266 | bool EH = false; |
| 7267 | if (!C.getDriver().IsCLMode()) |
| 7268 | EH = addExceptionArgs(Args, InputType, TC, KernelOrKext, objcRuntime: Runtime, CmdArgs); |
| 7269 | |
| 7270 | // Handle exception personalities |
| 7271 | Arg *A = Args.getLastArg( |
| 7272 | Ids: options::OPT_fsjlj_exceptions, Ids: options::OPT_fseh_exceptions, |
| 7273 | Ids: options::OPT_fdwarf_exceptions, Ids: options::OPT_fwasm_exceptions); |
| 7274 | if (A) { |
| 7275 | const Option &Opt = A->getOption(); |
| 7276 | if (Opt.matches(ID: options::OPT_fsjlj_exceptions)) |
| 7277 | CmdArgs.push_back(Elt: "-exception-model=sjlj"); |
| 7278 | if (Opt.matches(ID: options::OPT_fseh_exceptions)) |
| 7279 | CmdArgs.push_back(Elt: "-exception-model=seh"); |
| 7280 | if (Opt.matches(ID: options::OPT_fdwarf_exceptions)) |
| 7281 | CmdArgs.push_back(Elt: "-exception-model=dwarf"); |
| 7282 | if (Opt.matches(ID: options::OPT_fwasm_exceptions)) |
| 7283 | CmdArgs.push_back(Elt: "-exception-model=wasm"); |
| 7284 | } else { |
| 7285 | switch (TC.GetExceptionModel(Args)) { |
| 7286 | default: |
| 7287 | break; |
| 7288 | case llvm::ExceptionHandling::DwarfCFI: |
| 7289 | CmdArgs.push_back(Elt: "-exception-model=dwarf"); |
| 7290 | break; |
| 7291 | case llvm::ExceptionHandling::SjLj: |
| 7292 | CmdArgs.push_back(Elt: "-exception-model=sjlj"); |
| 7293 | break; |
| 7294 | case llvm::ExceptionHandling::WinEH: |
| 7295 | CmdArgs.push_back(Elt: "-exception-model=seh"); |
| 7296 | break; |
| 7297 | } |
| 7298 | } |
| 7299 | |
| 7300 | // C++ "sane" operator new. |
| 7301 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fassume_sane_operator_new, |
| 7302 | Neg: options::OPT_fno_assume_sane_operator_new); |
| 7303 | |
| 7304 | // -fassume-unique-vtables is on by default. |
| 7305 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fassume_unique_vtables, |
| 7306 | Neg: options::OPT_fno_assume_unique_vtables); |
| 7307 | |
| 7308 | // -frelaxed-template-template-args is deprecated. |
| 7309 | if (Arg *A = |
| 7310 | Args.getLastArg(Ids: options::OPT_frelaxed_template_template_args, |
| 7311 | Ids: options::OPT_fno_relaxed_template_template_args)) { |
| 7312 | if (A->getOption().matches( |
| 7313 | ID: options::OPT_fno_relaxed_template_template_args)) { |
| 7314 | D.Diag(DiagID: diag::warn_drv_deprecated_arg_no_relaxed_template_template_args); |
| 7315 | CmdArgs.push_back(Elt: "-fno-relaxed-template-template-args"); |
| 7316 | } else { |
| 7317 | D.Diag(DiagID: diag::warn_drv_deprecated_arg) |
| 7318 | << A->getAsString(Args) << /*hasReplacement=*/false; |
| 7319 | } |
| 7320 | } |
| 7321 | |
| 7322 | // -fsized-deallocation is on by default in C++14 onwards and otherwise off |
| 7323 | // by default. |
| 7324 | Args.addLastArg(Output&: CmdArgs, Ids: options::OPT_fsized_deallocation, |
| 7325 | Ids: options::OPT_fno_sized_deallocation); |
| 7326 | |
| 7327 | // -faligned-allocation is on by default in C++17 onwards and otherwise off |
| 7328 | // by default. |
| 7329 | if (Arg *A = Args.getLastArg(Ids: options::OPT_faligned_allocation, |
| 7330 | Ids: options::OPT_fno_aligned_allocation, |
| 7331 | Ids: options::OPT_faligned_new_EQ)) { |
| 7332 | if (A->getOption().matches(ID: options::OPT_fno_aligned_allocation)) |
| 7333 | CmdArgs.push_back(Elt: "-fno-aligned-allocation"); |
| 7334 | else |
| 7335 | CmdArgs.push_back(Elt: "-faligned-allocation"); |
| 7336 | } |
| 7337 | |
| 7338 | // The default new alignment can be specified using a dedicated option or via |
| 7339 | // a GCC-compatible option that also turns on aligned allocation. |
| 7340 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fnew_alignment_EQ, |
| 7341 | Ids: options::OPT_faligned_new_EQ)) |
| 7342 | CmdArgs.push_back( |
| 7343 | Elt: Args.MakeArgString(Str: Twine("-fnew-alignment=") + A->getValue())); |
| 7344 | |
| 7345 | // -fconstant-cfstrings is default, and may be subject to argument translation |
| 7346 | // on Darwin. |
| 7347 | if (!Args.hasFlag(Pos: options::OPT_fconstant_cfstrings, |
| 7348 | Neg: options::OPT_fno_constant_cfstrings, Default: true) || |
| 7349 | !Args.hasFlag(Pos: options::OPT_mconstant_cfstrings, |
| 7350 | Neg: options::OPT_mno_constant_cfstrings, Default: true)) |
| 7351 | CmdArgs.push_back(Elt: "-fno-constant-cfstrings"); |
| 7352 | |
| 7353 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fpascal_strings, |
| 7354 | Neg: options::OPT_fno_pascal_strings); |
| 7355 | |
| 7356 | // Honor -fpack-struct= and -fpack-struct, if given. Note that |
| 7357 | // -fno-pack-struct doesn't apply to -fpack-struct=. |
| 7358 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fpack_struct_EQ)) { |
| 7359 | std::string PackStructStr = "-fpack-struct="; |
| 7360 | PackStructStr += A->getValue(); |
| 7361 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: PackStructStr)); |
| 7362 | } else if (Args.hasFlag(Pos: options::OPT_fpack_struct, |
| 7363 | Neg: options::OPT_fno_pack_struct, Default: false)) { |
| 7364 | CmdArgs.push_back(Elt: "-fpack-struct=1"); |
| 7365 | } |
| 7366 | |
| 7367 | // Handle -fmax-type-align=N and -fno-type-align |
| 7368 | bool SkipMaxTypeAlign = Args.hasArg(Ids: options::OPT_fno_max_type_align); |
| 7369 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fmax_type_align_EQ)) { |
| 7370 | if (!SkipMaxTypeAlign) { |
| 7371 | std::string MaxTypeAlignStr = "-fmax-type-align="; |
| 7372 | MaxTypeAlignStr += A->getValue(); |
| 7373 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: MaxTypeAlignStr)); |
| 7374 | } |
| 7375 | } else if (RawTriple.isOSDarwin()) { |
| 7376 | if (!SkipMaxTypeAlign) { |
| 7377 | std::string MaxTypeAlignStr = "-fmax-type-align=16"; |
| 7378 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: MaxTypeAlignStr)); |
| 7379 | } |
| 7380 | } |
| 7381 | |
| 7382 | if (!Args.hasFlag(Pos: options::OPT_Qy, Neg: options::OPT_Qn, Default: true)) |
| 7383 | CmdArgs.push_back(Elt: "-Qn"); |
| 7384 | |
| 7385 | // -fno-common is the default, set -fcommon only when that flag is set. |
| 7386 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fcommon, Neg: options::OPT_fno_common); |
| 7387 | |
| 7388 | // -fsigned-bitfields is default, and clang doesn't yet support |
| 7389 | // -funsigned-bitfields. |
| 7390 | if (!Args.hasFlag(Pos: options::OPT_fsigned_bitfields, |
| 7391 | Neg: options::OPT_funsigned_bitfields, Default: true)) |
| 7392 | D.Diag(DiagID: diag::warn_drv_clang_unsupported) |
| 7393 | << Args.getLastArg(Ids: options::OPT_funsigned_bitfields)->getAsString(Args); |
| 7394 | |
| 7395 | // -fsigned-bitfields is default, and clang doesn't support -fno-for-scope. |
| 7396 | if (!Args.hasFlag(Pos: options::OPT_ffor_scope, Neg: options::OPT_fno_for_scope, Default: true)) |
| 7397 | D.Diag(DiagID: diag::err_drv_clang_unsupported) |
| 7398 | << Args.getLastArg(Ids: options::OPT_fno_for_scope)->getAsString(Args); |
| 7399 | |
| 7400 | // -finput_charset=UTF-8 is default. Reject others |
| 7401 | if (Arg *inputCharset = Args.getLastArg(Ids: options::OPT_finput_charset_EQ)) { |
| 7402 | StringRef value = inputCharset->getValue(); |
| 7403 | if (!value.equals_insensitive(RHS: "utf-8")) |
| 7404 | D.Diag(DiagID: diag::err_drv_invalid_value) << inputCharset->getAsString(Args) |
| 7405 | << value; |
| 7406 | } |
| 7407 | |
| 7408 | // -fexec_charset=UTF-8 is default. Reject others |
| 7409 | if (Arg *execCharset = Args.getLastArg(Ids: options::OPT_fexec_charset_EQ)) { |
| 7410 | StringRef value = execCharset->getValue(); |
| 7411 | if (!value.equals_insensitive(RHS: "utf-8")) |
| 7412 | D.Diag(DiagID: diag::err_drv_invalid_value) << execCharset->getAsString(Args) |
| 7413 | << value; |
| 7414 | } |
| 7415 | |
| 7416 | RenderDiagnosticsOptions(D, Args, CmdArgs); |
| 7417 | |
| 7418 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fasm_blocks, |
| 7419 | Neg: options::OPT_fno_asm_blocks); |
| 7420 | |
| 7421 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fgnu_inline_asm, |
| 7422 | Neg: options::OPT_fno_gnu_inline_asm); |
| 7423 | |
| 7424 | // Enable vectorization per default according to the optimization level |
| 7425 | // selected. For optimization levels that want vectorization we use the alias |
| 7426 | // option to simplify the hasFlag logic. |
| 7427 | bool EnableVec = shouldEnableVectorizerAtOLevel(Args, isSlpVec: false); |
| 7428 | OptSpecifier VectorizeAliasOption = |
| 7429 | EnableVec ? options::OPT_O_Group : options::OPT_fvectorize; |
| 7430 | if (Args.hasFlag(Pos: options::OPT_fvectorize, PosAlias: VectorizeAliasOption, |
| 7431 | Neg: options::OPT_fno_vectorize, Default: EnableVec)) |
| 7432 | CmdArgs.push_back(Elt: "-vectorize-loops"); |
| 7433 | |
| 7434 | // -fslp-vectorize is enabled based on the optimization level selected. |
| 7435 | bool EnableSLPVec = shouldEnableVectorizerAtOLevel(Args, isSlpVec: true); |
| 7436 | OptSpecifier SLPVectAliasOption = |
| 7437 | EnableSLPVec ? options::OPT_O_Group : options::OPT_fslp_vectorize; |
| 7438 | if (Args.hasFlag(Pos: options::OPT_fslp_vectorize, PosAlias: SLPVectAliasOption, |
| 7439 | Neg: options::OPT_fno_slp_vectorize, Default: EnableSLPVec)) |
| 7440 | CmdArgs.push_back(Elt: "-vectorize-slp"); |
| 7441 | |
| 7442 | ParseMPreferVectorWidth(D, Args, CmdArgs); |
| 7443 | |
| 7444 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fshow_overloads_EQ); |
| 7445 | Args.AddLastArg(Output&: CmdArgs, |
| 7446 | Ids: options::OPT_fsanitize_undefined_strip_path_components_EQ); |
| 7447 | |
| 7448 | // -fdollars-in-identifiers default varies depending on platform and |
| 7449 | // language; only pass if specified. |
| 7450 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fdollars_in_identifiers, |
| 7451 | Ids: options::OPT_fno_dollars_in_identifiers)) { |
| 7452 | if (A->getOption().matches(ID: options::OPT_fdollars_in_identifiers)) |
| 7453 | CmdArgs.push_back(Elt: "-fdollars-in-identifiers"); |
| 7454 | else |
| 7455 | CmdArgs.push_back(Elt: "-fno-dollars-in-identifiers"); |
| 7456 | } |
| 7457 | |
| 7458 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fapple_pragma_pack, |
| 7459 | Neg: options::OPT_fno_apple_pragma_pack); |
| 7460 | |
| 7461 | // Remarks can be enabled with any of the `-f.*optimization-record.*` flags. |
| 7462 | if (willEmitRemarks(Args) && checkRemarksOptions(D, Args, Triple)) |
| 7463 | renderRemarksOptions(Args, CmdArgs, Triple, Input, Output, JA); |
| 7464 | |
| 7465 | bool RewriteImports = Args.hasFlag(Pos: options::OPT_frewrite_imports, |
| 7466 | Neg: options::OPT_fno_rewrite_imports, Default: false); |
| 7467 | if (RewriteImports) |
| 7468 | CmdArgs.push_back(Elt: "-frewrite-imports"); |
| 7469 | |
| 7470 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fdirectives_only, |
| 7471 | Neg: options::OPT_fno_directives_only); |
| 7472 | |
| 7473 | // Enable rewrite includes if the user's asked for it or if we're generating |
| 7474 | // diagnostics. |
| 7475 | // TODO: Once -module-dependency-dir works with -frewrite-includes it'd be |
| 7476 | // nice to enable this when doing a crashdump for modules as well. |
| 7477 | if (Args.hasFlag(Pos: options::OPT_frewrite_includes, |
| 7478 | Neg: options::OPT_fno_rewrite_includes, Default: false) || |
| 7479 | (C.isForDiagnostics() && !HaveModules)) |
| 7480 | CmdArgs.push_back(Elt: "-frewrite-includes"); |
| 7481 | |
| 7482 | // Only allow -traditional or -traditional-cpp outside in preprocessing modes. |
| 7483 | if (Arg *A = Args.getLastArg(Ids: options::OPT_traditional, |
| 7484 | Ids: options::OPT_traditional_cpp)) { |
| 7485 | if (isa<PreprocessJobAction>(Val: JA)) |
| 7486 | CmdArgs.push_back(Elt: "-traditional-cpp"); |
| 7487 | else |
| 7488 | D.Diag(DiagID: diag::err_drv_clang_unsupported) << A->getAsString(Args); |
| 7489 | } |
| 7490 | |
| 7491 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_dM); |
| 7492 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_dD); |
| 7493 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_dI); |
| 7494 | |
| 7495 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fmax_tokens_EQ); |
| 7496 | |
| 7497 | // Handle serialized diagnostics. |
| 7498 | if (Arg *A = Args.getLastArg(Ids: options::OPT__serialize_diags)) { |
| 7499 | CmdArgs.push_back(Elt: "-serialize-diagnostic-file"); |
| 7500 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: A->getValue())); |
| 7501 | } |
| 7502 | |
| 7503 | if (Args.hasArg(Ids: options::OPT_fretain_comments_from_system_headers)) |
| 7504 | CmdArgs.push_back(Elt: "-fretain-comments-from-system-headers"); |
| 7505 | |
| 7506 | // Forward -fcomment-block-commands to -cc1. |
| 7507 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_fcomment_block_commands); |
| 7508 | // Forward -fparse-all-comments to -cc1. |
| 7509 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_fparse_all_comments); |
| 7510 | |
| 7511 | // Turn -fplugin=name.so into -load name.so |
| 7512 | for (const Arg *A : Args.filtered(Ids: options::OPT_fplugin_EQ)) { |
| 7513 | CmdArgs.push_back(Elt: "-load"); |
| 7514 | CmdArgs.push_back(Elt: A->getValue()); |
| 7515 | A->claim(); |
| 7516 | } |
| 7517 | |
| 7518 | // Turn -fplugin-arg-pluginname-key=value into |
| 7519 | // -plugin-arg-pluginname key=value |
| 7520 | // GCC has an actual plugin_argument struct with key/value pairs that it |
| 7521 | // passes to its plugins, but we don't, so just pass it on as-is. |
| 7522 | // |
| 7523 | // The syntax for -fplugin-arg- is ambiguous if both plugin name and |
| 7524 | // argument key are allowed to contain dashes. GCC therefore only |
| 7525 | // allows dashes in the key. We do the same. |
| 7526 | for (const Arg *A : Args.filtered(Ids: options::OPT_fplugin_arg)) { |
| 7527 | auto ArgValue = StringRef(A->getValue()); |
| 7528 | auto FirstDashIndex = ArgValue.find(C: '-'); |
| 7529 | StringRef PluginName = ArgValue.substr(Start: 0, N: FirstDashIndex); |
| 7530 | StringRef Arg = ArgValue.substr(Start: FirstDashIndex + 1); |
| 7531 | |
| 7532 | A->claim(); |
| 7533 | if (FirstDashIndex == StringRef::npos || Arg.empty()) { |
| 7534 | if (PluginName.empty()) { |
| 7535 | D.Diag(DiagID: diag::warn_drv_missing_plugin_name) << A->getAsString(Args); |
| 7536 | } else { |
| 7537 | D.Diag(DiagID: diag::warn_drv_missing_plugin_arg) |
| 7538 | << PluginName << A->getAsString(Args); |
| 7539 | } |
| 7540 | continue; |
| 7541 | } |
| 7542 | |
| 7543 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Twine("-plugin-arg-") + PluginName)); |
| 7544 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Arg)); |
| 7545 | } |
| 7546 | |
| 7547 | // Forward -fpass-plugin=name.so to -cc1. |
| 7548 | for (const Arg *A : Args.filtered(Ids: options::OPT_fpass_plugin_EQ)) { |
| 7549 | CmdArgs.push_back( |
| 7550 | Elt: Args.MakeArgString(Str: Twine("-fpass-plugin=") + A->getValue())); |
| 7551 | A->claim(); |
| 7552 | } |
| 7553 | |
| 7554 | // Forward --vfsoverlay to -cc1. |
| 7555 | for (const Arg *A : Args.filtered(Ids: options::OPT_vfsoverlay)) { |
| 7556 | CmdArgs.push_back(Elt: "--vfsoverlay"); |
| 7557 | CmdArgs.push_back(Elt: A->getValue()); |
| 7558 | A->claim(); |
| 7559 | } |
| 7560 | |
| 7561 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fsafe_buffer_usage_suggestions, |
| 7562 | Neg: options::OPT_fno_safe_buffer_usage_suggestions); |
| 7563 | |
| 7564 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fexperimental_late_parse_attributes, |
| 7565 | Neg: options::OPT_fno_experimental_late_parse_attributes); |
| 7566 | |
| 7567 | // Setup statistics file output. |
| 7568 | SmallString<128> StatsFile = getStatsFileName(Args, Output, Input, D); |
| 7569 | if (!StatsFile.empty()) { |
| 7570 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Twine("-stats-file=") + StatsFile)); |
| 7571 | if (D.CCPrintInternalStats) |
| 7572 | CmdArgs.push_back(Elt: "-stats-file-append"); |
| 7573 | } |
| 7574 | |
| 7575 | // Forward -Xclang arguments to -cc1, and -mllvm arguments to the LLVM option |
| 7576 | // parser. |
| 7577 | for (auto Arg : Args.filtered(Ids: options::OPT_Xclang)) { |
| 7578 | Arg->claim(); |
| 7579 | // -finclude-default-header flag is for preprocessor, |
| 7580 | // do not pass it to other cc1 commands when save-temps is enabled |
| 7581 | if (C.getDriver().isSaveTempsEnabled() && |
| 7582 | !isa<PreprocessJobAction>(Val: JA)) { |
| 7583 | if (StringRef(Arg->getValue()) == "-finclude-default-header") |
| 7584 | continue; |
| 7585 | } |
| 7586 | CmdArgs.push_back(Elt: Arg->getValue()); |
| 7587 | } |
| 7588 | for (const Arg *A : Args.filtered(Ids: options::OPT_mllvm)) { |
| 7589 | A->claim(); |
| 7590 | |
| 7591 | // We translate this by hand to the -cc1 argument, since nightly test uses |
| 7592 | // it and developers have been trained to spell it with -mllvm. Both |
| 7593 | // spellings are now deprecated and should be removed. |
| 7594 | if (StringRef(A->getValue(N: 0)) == "-disable-llvm-optzns") { |
| 7595 | CmdArgs.push_back(Elt: "-disable-llvm-optzns"); |
| 7596 | } else { |
| 7597 | A->render(Args, Output&: CmdArgs); |
| 7598 | } |
| 7599 | } |
| 7600 | |
| 7601 | // With -save-temps, we want to save the unoptimized bitcode output from the |
| 7602 | // CompileJobAction, use -disable-llvm-passes to get pristine IR generated |
| 7603 | // by the frontend. |
| 7604 | // When -fembed-bitcode is enabled, optimized bitcode is emitted because it |
| 7605 | // has slightly different breakdown between stages. |
| 7606 | // FIXME: -fembed-bitcode -save-temps will save optimized bitcode instead of |
| 7607 | // pristine IR generated by the frontend. Ideally, a new compile action should |
| 7608 | // be added so both IR can be captured. |
| 7609 | if ((C.getDriver().isSaveTempsEnabled() || |
| 7610 | JA.isHostOffloading(OKind: Action::OFK_OpenMP)) && |
| 7611 | !(C.getDriver().embedBitcodeInObject() && !IsUsingLTO) && |
| 7612 | isa<CompileJobAction>(Val: JA)) |
| 7613 | CmdArgs.push_back(Elt: "-disable-llvm-passes"); |
| 7614 | |
| 7615 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_undef); |
| 7616 | |
| 7617 | const char *Exec = D.getClangProgramPath(); |
| 7618 | |
| 7619 | // Optionally embed the -cc1 level arguments into the debug info or a |
| 7620 | // section, for build analysis. |
| 7621 | // Also record command line arguments into the debug info if |
| 7622 | // -grecord-gcc-switches options is set on. |
| 7623 | // By default, -gno-record-gcc-switches is set on and no recording. |
| 7624 | auto GRecordSwitches = |
| 7625 | Args.hasFlag(Pos: options::OPT_grecord_command_line, |
| 7626 | Neg: options::OPT_gno_record_command_line, Default: false); |
| 7627 | auto FRecordSwitches = |
| 7628 | Args.hasFlag(Pos: options::OPT_frecord_command_line, |
| 7629 | Neg: options::OPT_fno_record_command_line, Default: false); |
| 7630 | if (FRecordSwitches && !Triple.isOSBinFormatELF() && |
| 7631 | !Triple.isOSBinFormatXCOFF() && !Triple.isOSBinFormatMachO()) |
| 7632 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 7633 | << Args.getLastArg(Ids: options::OPT_frecord_command_line)->getAsString(Args) |
| 7634 | << TripleStr; |
| 7635 | if (TC.UseDwarfDebugFlags() || GRecordSwitches || FRecordSwitches) { |
| 7636 | ArgStringList OriginalArgs; |
| 7637 | for (const auto &Arg : Args) |
| 7638 | Arg->render(Args, Output&: OriginalArgs); |
| 7639 | |
| 7640 | SmallString<256> Flags; |
| 7641 | EscapeSpacesAndBackslashes(Arg: Exec, Res&: Flags); |
| 7642 | for (const char *OriginalArg : OriginalArgs) { |
| 7643 | SmallString<128> EscapedArg; |
| 7644 | EscapeSpacesAndBackslashes(Arg: OriginalArg, Res&: EscapedArg); |
| 7645 | Flags += " "; |
| 7646 | Flags += EscapedArg; |
| 7647 | } |
| 7648 | auto FlagsArgString = Args.MakeArgString(Str: Flags); |
| 7649 | if (TC.UseDwarfDebugFlags() || GRecordSwitches) { |
| 7650 | CmdArgs.push_back(Elt: "-dwarf-debug-flags"); |
| 7651 | CmdArgs.push_back(Elt: FlagsArgString); |
| 7652 | } |
| 7653 | if (FRecordSwitches) { |
| 7654 | CmdArgs.push_back(Elt: "-record-command-line"); |
| 7655 | CmdArgs.push_back(Elt: FlagsArgString); |
| 7656 | } |
| 7657 | } |
| 7658 | |
| 7659 | // Host-side offloading compilation receives all device-side outputs. Include |
| 7660 | // them in the host compilation depending on the target. If the host inputs |
| 7661 | // are not empty we use the new-driver scheme, otherwise use the old scheme. |
| 7662 | if ((IsCuda || IsHIP) && CudaDeviceInput) { |
| 7663 | CmdArgs.push_back(Elt: "-fcuda-include-gpubinary"); |
| 7664 | CmdArgs.push_back(Elt: CudaDeviceInput->getFilename()); |
| 7665 | } else if (!HostOffloadingInputs.empty()) { |
| 7666 | if ((IsCuda || IsHIP) && !IsRDCMode) { |
| 7667 | assert(HostOffloadingInputs.size() == 1 && "Only one input expected"); |
| 7668 | CmdArgs.push_back(Elt: "-fcuda-include-gpubinary"); |
| 7669 | CmdArgs.push_back(Elt: HostOffloadingInputs.front().getFilename()); |
| 7670 | } else { |
| 7671 | for (const InputInfo Input : HostOffloadingInputs) |
| 7672 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-fembed-offload-object="+ |
| 7673 | TC.getInputFilename(Input))); |
| 7674 | } |
| 7675 | } |
| 7676 | |
| 7677 | if (IsCuda) { |
| 7678 | if (Args.hasFlag(Pos: options::OPT_fcuda_short_ptr, |
| 7679 | Neg: options::OPT_fno_cuda_short_ptr, Default: false)) |
| 7680 | CmdArgs.push_back(Elt: "-fcuda-short-ptr"); |
| 7681 | } |
| 7682 | |
| 7683 | if (IsCuda || IsHIP) { |
| 7684 | // Determine the original source input. |
| 7685 | const Action *SourceAction = &JA; |
| 7686 | while (SourceAction->getKind() != Action::InputClass) { |
| 7687 | assert(!SourceAction->getInputs().empty() && "unexpected root action!"); |
| 7688 | SourceAction = SourceAction->getInputs()[0]; |
| 7689 | } |
| 7690 | auto CUID = cast<InputAction>(Val: SourceAction)->getId(); |
| 7691 | if (!CUID.empty()) |
| 7692 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Twine("-cuid=") + Twine(CUID))); |
| 7693 | |
| 7694 | // -ffast-math turns on -fgpu-approx-transcendentals implicitly, but will |
| 7695 | // be overriden by -fno-gpu-approx-transcendentals. |
| 7696 | bool UseApproxTranscendentals = Args.hasFlag( |
| 7697 | Pos: options::OPT_ffast_math, Neg: options::OPT_fno_fast_math, Default: false); |
| 7698 | if (Args.hasFlag(Pos: options::OPT_fgpu_approx_transcendentals, |
| 7699 | Neg: options::OPT_fno_gpu_approx_transcendentals, |
| 7700 | Default: UseApproxTranscendentals)) |
| 7701 | CmdArgs.push_back(Elt: "-fgpu-approx-transcendentals"); |
| 7702 | } else { |
| 7703 | Args.claimAllArgs(Ids: options::OPT_fgpu_approx_transcendentals, |
| 7704 | Ids: options::OPT_fno_gpu_approx_transcendentals); |
| 7705 | } |
| 7706 | |
| 7707 | if (IsHIP) { |
| 7708 | CmdArgs.push_back(Elt: "-fcuda-allow-variadic-functions"); |
| 7709 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_fgpu_default_stream_EQ); |
| 7710 | } |
| 7711 | |
| 7712 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_foffload_uniform_block, |
| 7713 | Ids: options::OPT_fno_offload_uniform_block); |
| 7714 | |
| 7715 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_foffload_implicit_host_device_templates, |
| 7716 | Ids: options::OPT_fno_offload_implicit_host_device_templates); |
| 7717 | |
| 7718 | if (IsCudaDevice || IsHIPDevice) { |
| 7719 | StringRef InlineThresh = |
| 7720 | Args.getLastArgValue(Id: options::OPT_fgpu_inline_threshold_EQ); |
| 7721 | if (!InlineThresh.empty()) { |
| 7722 | std::string ArgStr = |
| 7723 | std::string("-inline-threshold=") + InlineThresh.str(); |
| 7724 | CmdArgs.append(IL: {"-mllvm", Args.MakeArgStringRef(Str: ArgStr)}); |
| 7725 | } |
| 7726 | } |
| 7727 | |
| 7728 | if (IsHIPDevice) |
| 7729 | Args.addOptOutFlag(Output&: CmdArgs, |
| 7730 | Pos: options::OPT_fhip_fp32_correctly_rounded_divide_sqrt, |
| 7731 | Neg: options::OPT_fno_hip_fp32_correctly_rounded_divide_sqrt); |
| 7732 | |
| 7733 | // OpenMP offloading device jobs take the argument -fopenmp-host-ir-file-path |
| 7734 | // to specify the result of the compile phase on the host, so the meaningful |
| 7735 | // device declarations can be identified. Also, -fopenmp-is-target-device is |
| 7736 | // passed along to tell the frontend that it is generating code for a device, |
| 7737 | // so that only the relevant declarations are emitted. |
| 7738 | if (IsOpenMPDevice) { |
| 7739 | CmdArgs.push_back(Elt: "-fopenmp-is-target-device"); |
| 7740 | if (OpenMPDeviceInput) { |
| 7741 | CmdArgs.push_back(Elt: "-fopenmp-host-ir-file-path"); |
| 7742 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: OpenMPDeviceInput->getFilename())); |
| 7743 | } |
| 7744 | } |
| 7745 | |
| 7746 | if (Triple.isAMDGPU()) { |
| 7747 | handleAMDGPUCodeObjectVersionOptions(D, Args, CmdArgs); |
| 7748 | |
| 7749 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_munsafe_fp_atomics, |
| 7750 | Neg: options::OPT_mno_unsafe_fp_atomics); |
| 7751 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_mamdgpu_ieee, |
| 7752 | Neg: options::OPT_mno_amdgpu_ieee); |
| 7753 | } |
| 7754 | |
| 7755 | // For all the host OpenMP offloading compile jobs we need to pass the targets |
| 7756 | // information using -fopenmp-targets= option. |
| 7757 | if (JA.isHostOffloading(OKind: Action::OFK_OpenMP)) { |
| 7758 | SmallString<128> Targets("-fopenmp-targets="); |
| 7759 | |
| 7760 | SmallVector<std::string, 4> Triples; |
| 7761 | auto TCRange = C.getOffloadToolChains<Action::OFK_OpenMP>(); |
| 7762 | std::transform(first: TCRange.first, last: TCRange.second, result: std::back_inserter(x&: Triples), |
| 7763 | unary_op: [](auto TC) { return TC.second->getTripleString(); }); |
| 7764 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Targets + llvm::join(R&: Triples, Separator: ","))); |
| 7765 | } |
| 7766 | |
| 7767 | bool VirtualFunctionElimination = |
| 7768 | Args.hasFlag(Pos: options::OPT_fvirtual_function_elimination, |
| 7769 | Neg: options::OPT_fno_virtual_function_elimination, Default: false); |
| 7770 | if (VirtualFunctionElimination) { |
| 7771 | // VFE requires full LTO (currently, this might be relaxed to allow ThinLTO |
| 7772 | // in the future). |
| 7773 | if (LTOMode != LTOK_Full) |
| 7774 | D.Diag(DiagID: diag::err_drv_argument_only_allowed_with) |
| 7775 | << "-fvirtual-function-elimination" |
| 7776 | << "-flto=full"; |
| 7777 | |
| 7778 | CmdArgs.push_back(Elt: "-fvirtual-function-elimination"); |
| 7779 | } |
| 7780 | |
| 7781 | // VFE requires whole-program-vtables, and enables it by default. |
| 7782 | bool WholeProgramVTables = Args.hasFlag( |
| 7783 | Pos: options::OPT_fwhole_program_vtables, |
| 7784 | Neg: options::OPT_fno_whole_program_vtables, Default: VirtualFunctionElimination); |
| 7785 | if (VirtualFunctionElimination && !WholeProgramVTables) { |
| 7786 | D.Diag(DiagID: diag::err_drv_argument_not_allowed_with) |
| 7787 | << "-fno-whole-program-vtables" |
| 7788 | << "-fvirtual-function-elimination"; |
| 7789 | } |
| 7790 | |
| 7791 | if (WholeProgramVTables) { |
| 7792 | // PS4 uses the legacy LTO API, which does not support this feature in |
| 7793 | // ThinLTO mode. |
| 7794 | bool IsPS4 = getToolChain().getTriple().isPS4(); |
| 7795 | |
| 7796 | // Check if we passed LTO options but they were suppressed because this is a |
| 7797 | // device offloading action, or we passed device offload LTO options which |
| 7798 | // were suppressed because this is not the device offload action. |
| 7799 | // Check if we are using PS4 in regular LTO mode. |
| 7800 | // Otherwise, issue an error. |
| 7801 | if ((!IsUsingLTO && !D.isUsingLTO(IsOffload: !IsDeviceOffloadAction)) || |
| 7802 | (IsPS4 && !UnifiedLTO && (D.getLTOMode() != LTOK_Full))) |
| 7803 | D.Diag(DiagID: diag::err_drv_argument_only_allowed_with) |
| 7804 | << "-fwhole-program-vtables" |
| 7805 | << ((IsPS4 && !UnifiedLTO) ? "-flto=full": "-flto"); |
| 7806 | |
| 7807 | // Propagate -fwhole-program-vtables if this is an LTO compile. |
| 7808 | if (IsUsingLTO) |
| 7809 | CmdArgs.push_back(Elt: "-fwhole-program-vtables"); |
| 7810 | } |
| 7811 | |
| 7812 | bool DefaultsSplitLTOUnit = |
| 7813 | ((WholeProgramVTables || SanitizeArgs.needsLTO()) && |
| 7814 | (LTOMode == LTOK_Full || TC.canSplitThinLTOUnit())) || |
| 7815 | (!Triple.isPS4() && UnifiedLTO); |
| 7816 | bool SplitLTOUnit = |
| 7817 | Args.hasFlag(Pos: options::OPT_fsplit_lto_unit, |
| 7818 | Neg: options::OPT_fno_split_lto_unit, Default: DefaultsSplitLTOUnit); |
| 7819 | if (SanitizeArgs.needsLTO() && !SplitLTOUnit) |
| 7820 | D.Diag(DiagID: diag::err_drv_argument_not_allowed_with) << "-fno-split-lto-unit" |
| 7821 | << "-fsanitize=cfi"; |
| 7822 | if (SplitLTOUnit) |
| 7823 | CmdArgs.push_back(Elt: "-fsplit-lto-unit"); |
| 7824 | |
| 7825 | if (Arg *A = Args.getLastArg(Ids: options::OPT_ffat_lto_objects, |
| 7826 | Ids: options::OPT_fno_fat_lto_objects)) { |
| 7827 | if (IsUsingLTO && A->getOption().matches(ID: options::OPT_ffat_lto_objects)) { |
| 7828 | assert(LTOMode == LTOK_Full || LTOMode == LTOK_Thin); |
| 7829 | if (!Triple.isOSBinFormatELF()) { |
| 7830 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 7831 | << A->getAsString(Args) << TC.getTripleString(); |
| 7832 | } |
| 7833 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 7834 | Str: Twine("-flto=") + (LTOMode == LTOK_Thin ? "thin": "full"))); |
| 7835 | CmdArgs.push_back(Elt: "-flto-unit"); |
| 7836 | CmdArgs.push_back(Elt: "-ffat-lto-objects"); |
| 7837 | A->render(Args, Output&: CmdArgs); |
| 7838 | } |
| 7839 | } |
| 7840 | |
| 7841 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fglobal_isel, |
| 7842 | Ids: options::OPT_fno_global_isel)) { |
| 7843 | CmdArgs.push_back(Elt: "-mllvm"); |
| 7844 | if (A->getOption().matches(ID: options::OPT_fglobal_isel)) { |
| 7845 | CmdArgs.push_back(Elt: "-global-isel=1"); |
| 7846 | |
| 7847 | // GISel is on by default on AArch64 -O0, so don't bother adding |
| 7848 | // the fallback remarks for it. Other combinations will add a warning of |
| 7849 | // some kind. |
| 7850 | bool IsArchSupported = Triple.getArch() == llvm::Triple::aarch64; |
| 7851 | bool IsOptLevelSupported = false; |
| 7852 | |
| 7853 | Arg *A = Args.getLastArg(Ids: options::OPT_O_Group); |
| 7854 | if (Triple.getArch() == llvm::Triple::aarch64) { |
| 7855 | if (!A || A->getOption().matches(ID: options::OPT_O0)) |
| 7856 | IsOptLevelSupported = true; |
| 7857 | } |
| 7858 | if (!IsArchSupported || !IsOptLevelSupported) { |
| 7859 | CmdArgs.push_back(Elt: "-mllvm"); |
| 7860 | CmdArgs.push_back(Elt: "-global-isel-abort=2"); |
| 7861 | |
| 7862 | if (!IsArchSupported) |
| 7863 | D.Diag(DiagID: diag::warn_drv_global_isel_incomplete) << Triple.getArchName(); |
| 7864 | else |
| 7865 | D.Diag(DiagID: diag::warn_drv_global_isel_incomplete_opt); |
| 7866 | } |
| 7867 | } else { |
| 7868 | CmdArgs.push_back(Elt: "-global-isel=0"); |
| 7869 | } |
| 7870 | } |
| 7871 | |
| 7872 | if (Args.hasArg(Ids: options::OPT_forder_file_instrumentation)) { |
| 7873 | CmdArgs.push_back(Elt: "-forder-file-instrumentation"); |
| 7874 | // Enable order file instrumentation when ThinLTO is not on. When ThinLTO is |
| 7875 | // on, we need to pass these flags as linker flags and that will be handled |
| 7876 | // outside of the compiler. |
| 7877 | if (!IsUsingLTO) { |
| 7878 | CmdArgs.push_back(Elt: "-mllvm"); |
| 7879 | CmdArgs.push_back(Elt: "-enable-order-file-instrumentation"); |
| 7880 | } |
| 7881 | } |
| 7882 | |
| 7883 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fforce_enable_int128, |
| 7884 | Ids: options::OPT_fno_force_enable_int128)) { |
| 7885 | if (A->getOption().matches(ID: options::OPT_fforce_enable_int128)) |
| 7886 | CmdArgs.push_back(Elt: "-fforce-enable-int128"); |
| 7887 | } |
| 7888 | |
| 7889 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fkeep_static_consts, |
| 7890 | Neg: options::OPT_fno_keep_static_consts); |
| 7891 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fkeep_persistent_storage_variables, |
| 7892 | Neg: options::OPT_fno_keep_persistent_storage_variables); |
| 7893 | Args.addOptInFlag(Output&: CmdArgs, Pos: options::OPT_fcomplete_member_pointers, |
| 7894 | Neg: options::OPT_fno_complete_member_pointers); |
| 7895 | Args.addOptOutFlag(Output&: CmdArgs, Pos: options::OPT_fcxx_static_destructors, |
| 7896 | Neg: options::OPT_fno_cxx_static_destructors); |
| 7897 | |
| 7898 | addMachineOutlinerArgs(D, Args, CmdArgs, Triple, /*IsLTO=*/false); |
| 7899 | |
| 7900 | addOutlineAtomicsArgs(D, TC: getToolChain(), Args, CmdArgs, Triple); |
| 7901 | |
| 7902 | if (Triple.isAArch64() && |
| 7903 | (Args.hasArg(Ids: options::OPT_mno_fmv) || |
| 7904 | (Triple.isAndroid() && Triple.isAndroidVersionLT(Major: 23)) || |
| 7905 | getToolChain().GetRuntimeLibType(Args) != ToolChain::RLT_CompilerRT)) { |
| 7906 | // Disable Function Multiversioning on AArch64 target. |
| 7907 | CmdArgs.push_back(Elt: "-target-feature"); |
| 7908 | CmdArgs.push_back(Elt: "-fmv"); |
| 7909 | } |
| 7910 | |
| 7911 | if (Args.hasFlag(Pos: options::OPT_faddrsig, Neg: options::OPT_fno_addrsig, |
| 7912 | Default: (TC.getTriple().isOSBinFormatELF() || |
| 7913 | TC.getTriple().isOSBinFormatCOFF()) && |
| 7914 | !TC.getTriple().isPS4() && !TC.getTriple().isVE() && |
| 7915 | !TC.getTriple().isOSNetBSD() && |
| 7916 | !Distro(D.getVFS(), TC.getTriple()).IsGentoo() && |
| 7917 | !TC.getTriple().isAndroid() && TC.useIntegratedAs())) |
| 7918 | CmdArgs.push_back(Elt: "-faddrsig"); |
| 7919 | |
| 7920 | if ((Triple.isOSBinFormatELF() || Triple.isOSBinFormatMachO()) && |
| 7921 | (EH || UnwindTables || AsyncUnwindTables || |
| 7922 | DebugInfoKind != llvm::codegenoptions::NoDebugInfo)) |
| 7923 | CmdArgs.push_back(Elt: "-D__GCC_HAVE_DWARF2_CFI_ASM=1"); |
| 7924 | |
| 7925 | if (Arg *A = Args.getLastArg(Ids: options::OPT_fsymbol_partition_EQ)) { |
| 7926 | std::string Str = A->getAsString(Args); |
| 7927 | if (!TC.getTriple().isOSBinFormatELF()) |
| 7928 | D.Diag(DiagID: diag::err_drv_unsupported_opt_for_target) |
| 7929 | << Str << TC.getTripleString(); |
| 7930 | CmdArgs.push_back(Elt: Args.MakeArgString(Str)); |
| 7931 | } |
| 7932 | |
| 7933 | // Add the "-o out -x type src.c" flags last. This is done primarily to make |
| 7934 | // the -cc1 command easier to edit when reproducing compiler crashes. |
| 7935 | if (Output.getType() == types::TY_Dependencies) { |
| 7936 | // Handled with other dependency code. |
| 7937 | } else if (Output.isFilename()) { |
| 7938 | if (Output.getType() == clang::driver::types::TY_IFS_CPP || |
| 7939 | Output.getType() == clang::driver::types::TY_IFS) { |
| 7940 | SmallString<128> OutputFilename(Output.getFilename()); |
| 7941 | llvm::sys::path::replace_extension(path&: OutputFilename, extension: "ifs"); |
| 7942 | CmdArgs.push_back(Elt: "-o"); |
| 7943 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: OutputFilename)); |
| 7944 | } else { |
| 7945 | CmdArgs.push_back(Elt: "-o"); |
| 7946 | CmdArgs.push_back(Elt: Output.getFilename()); |
| 7947 | } |
| 7948 | } else { |
| 7949 | assert(Output.isNothing() && "Invalid output."); |
| 7950 | } |
| 7951 | |
| 7952 | addDashXForInput(Args, Input, CmdArgs); |
| 7953 | |
| 7954 | ArrayRef<InputInfo> FrontendInputs = Input; |
| 7955 | if (IsExtractAPI) |
| 7956 | FrontendInputs = ExtractAPIInputs; |
| 7957 | else if (Input.isNothing()) |
| 7958 | FrontendInputs = {}; |
| 7959 | |
| 7960 | for (const InputInfo &Input : FrontendInputs) { |
| 7961 | if (Input.isFilename()) |
| 7962 | CmdArgs.push_back(Elt: Input.getFilename()); |
| 7963 | else |
| 7964 | Input.getInputArg().renderAsInput(Args, Output&: CmdArgs); |
| 7965 | } |
| 7966 | |
| 7967 | if (D.CC1Main && !D.CCGenDiagnostics) { |
| 7968 | // Invoke the CC1 directly in this process |
| 7969 | C.addCommand(C: std::make_unique<CC1Command>( |
| 7970 | args: JA, args: *this, args: ResponseFileSupport::AtFileUTF8(), args&: Exec, args&: CmdArgs, args: Inputs, |
| 7971 | args: Output, args: D.getPrependArg())); |
| 7972 | } else { |
| 7973 | C.addCommand(C: std::make_unique<Command>( |
| 7974 | args: JA, args: *this, args: ResponseFileSupport::AtFileUTF8(), args&: Exec, args&: CmdArgs, args: Inputs, |
| 7975 | args: Output, args: D.getPrependArg())); |
| 7976 | } |
| 7977 | |
| 7978 | // Make the compile command echo its inputs for /showFilenames. |
| 7979 | if (Output.getType() == types::TY_Object && |
| 7980 | Args.hasFlag(Pos: options::OPT__SLASH_showFilenames, |
| 7981 | Neg: options::OPT__SLASH_showFilenames_, Default: false)) { |
| 7982 | C.getJobs().getJobs().back()->PrintInputFilenames = true; |
| 7983 | } |
| 7984 | |
| 7985 | if (Arg *A = Args.getLastArg(Ids: options::OPT_pg)) |
| 7986 | if (FPKeepKind == CodeGenOptions::FramePointerKind::None && |
| 7987 | !Args.hasArg(Ids: options::OPT_mfentry)) |
| 7988 | D.Diag(DiagID: diag::err_drv_argument_not_allowed_with) << "-fomit-frame-pointer" |
| 7989 | << A->getAsString(Args); |
| 7990 | |
| 7991 | // Claim some arguments which clang supports automatically. |
| 7992 | |
| 7993 | // -fpch-preprocess is used with gcc to add a special marker in the output to |
| 7994 | // include the PCH file. |
| 7995 | Args.ClaimAllArgs(Id0: options::OPT_fpch_preprocess); |
| 7996 | |
| 7997 | // Claim some arguments which clang doesn't support, but we don't |
| 7998 | // care to warn the user about. |
| 7999 | Args.ClaimAllArgs(Id0: options::OPT_clang_ignored_f_Group); |
| 8000 | Args.ClaimAllArgs(Id0: options::OPT_clang_ignored_m_Group); |
| 8001 | |
| 8002 | // Disable warnings for clang -E -emit-llvm foo.c |
| 8003 | Args.ClaimAllArgs(Id0: options::OPT_emit_llvm); |
| 8004 | } |
| 8005 | |
| 8006 | Clang::Clang(const ToolChain &TC, bool HasIntegratedBackend) |
| 8007 | // CAUTION! The first constructor argument ("clang") is not arbitrary, |
| 8008 | // as it is for other tools. Some operations on a Tool actually test |
| 8009 | // whether that tool is Clang based on the Tool's Name as a string. |
| 8010 | : Tool("clang", "clang frontend", TC), HasBackend(HasIntegratedBackend) {} |
| 8011 | |
| 8012 | Clang::~Clang() {} |
| 8013 | |
| 8014 | /// Add options related to the Objective-C runtime/ABI. |
| 8015 | /// |
| 8016 | /// Returns true if the runtime is non-fragile. |
| 8017 | ObjCRuntime Clang::AddObjCRuntimeArgs(const ArgList &args, |
| 8018 | const InputInfoList &inputs, |
| 8019 | ArgStringList &cmdArgs, |
| 8020 | RewriteKind rewriteKind) const { |
| 8021 | // Look for the controlling runtime option. |
| 8022 | Arg *runtimeArg = |
| 8023 | args.getLastArg(Ids: options::OPT_fnext_runtime, Ids: options::OPT_fgnu_runtime, |
| 8024 | Ids: options::OPT_fobjc_runtime_EQ); |
| 8025 | |
| 8026 | // Just forward -fobjc-runtime= to the frontend. This supercedes |
| 8027 | // options about fragility. |
| 8028 | if (runtimeArg && |
| 8029 | runtimeArg->getOption().matches(ID: options::OPT_fobjc_runtime_EQ)) { |
| 8030 | ObjCRuntime runtime; |
| 8031 | StringRef value = runtimeArg->getValue(); |
| 8032 | if (runtime.tryParse(input: value)) { |
| 8033 | getToolChain().getDriver().Diag(DiagID: diag::err_drv_unknown_objc_runtime) |
| 8034 | << value; |
| 8035 | } |
| 8036 | if ((runtime.getKind() == ObjCRuntime::GNUstep) && |
| 8037 | (runtime.getVersion() >= VersionTuple(2, 0))) |
| 8038 | if (!getToolChain().getTriple().isOSBinFormatELF() && |
| 8039 | !getToolChain().getTriple().isOSBinFormatCOFF()) { |
| 8040 | getToolChain().getDriver().Diag( |
| 8041 | DiagID: diag::err_drv_gnustep_objc_runtime_incompatible_binary) |
| 8042 | << runtime.getVersion().getMajor(); |
| 8043 | } |
| 8044 | |
| 8045 | runtimeArg->render(Args: args, Output&: cmdArgs); |
| 8046 | return runtime; |
| 8047 | } |
| 8048 | |
| 8049 | // Otherwise, we'll need the ABI "version". Version numbers are |
| 8050 | // slightly confusing for historical reasons: |
| 8051 | // 1 - Traditional "fragile" ABI |
| 8052 | // 2 - Non-fragile ABI, version 1 |
| 8053 | // 3 - Non-fragile ABI, version 2 |
| 8054 | unsigned objcABIVersion = 1; |
| 8055 | // If -fobjc-abi-version= is present, use that to set the version. |
| 8056 | if (Arg *abiArg = args.getLastArg(Ids: options::OPT_fobjc_abi_version_EQ)) { |
| 8057 | StringRef value = abiArg->getValue(); |
| 8058 | if (value == "1") |
| 8059 | objcABIVersion = 1; |
| 8060 | else if (value == "2") |
| 8061 | objcABIVersion = 2; |
| 8062 | else if (value == "3") |
| 8063 | objcABIVersion = 3; |
| 8064 | else |
| 8065 | getToolChain().getDriver().Diag(DiagID: diag::err_drv_clang_unsupported) << value; |
| 8066 | } else { |
| 8067 | // Otherwise, determine if we are using the non-fragile ABI. |
| 8068 | bool nonFragileABIIsDefault = |
| 8069 | (rewriteKind == RK_NonFragile || |
| 8070 | (rewriteKind == RK_None && |
| 8071 | getToolChain().IsObjCNonFragileABIDefault())); |
| 8072 | if (args.hasFlag(Pos: options::OPT_fobjc_nonfragile_abi, |
| 8073 | Neg: options::OPT_fno_objc_nonfragile_abi, |
| 8074 | Default: nonFragileABIIsDefault)) { |
| 8075 | // Determine the non-fragile ABI version to use. |
| 8076 | #ifdef DISABLE_DEFAULT_NONFRAGILEABI_TWO |
| 8077 | unsigned nonFragileABIVersion = 1; |
| 8078 | #else |
| 8079 | unsigned nonFragileABIVersion = 2; |
| 8080 | #endif |
| 8081 | |
| 8082 | if (Arg *abiArg = |
| 8083 | args.getLastArg(Ids: options::OPT_fobjc_nonfragile_abi_version_EQ)) { |
| 8084 | StringRef value = abiArg->getValue(); |
| 8085 | if (value == "1") |
| 8086 | nonFragileABIVersion = 1; |
| 8087 | else if (value == "2") |
| 8088 | nonFragileABIVersion = 2; |
| 8089 | else |
| 8090 | getToolChain().getDriver().Diag(DiagID: diag::err_drv_clang_unsupported) |
| 8091 | << value; |
| 8092 | } |
| 8093 | |
| 8094 | objcABIVersion = 1 + nonFragileABIVersion; |
| 8095 | } else { |
| 8096 | objcABIVersion = 1; |
| 8097 | } |
| 8098 | } |
| 8099 | |
| 8100 | // We don't actually care about the ABI version other than whether |
| 8101 | // it's non-fragile. |
| 8102 | bool isNonFragile = objcABIVersion != 1; |
| 8103 | |
| 8104 | // If we have no runtime argument, ask the toolchain for its default runtime. |
| 8105 | // However, the rewriter only really supports the Mac runtime, so assume that. |
| 8106 | ObjCRuntime runtime; |
| 8107 | if (!runtimeArg) { |
| 8108 | switch (rewriteKind) { |
| 8109 | case RK_None: |
| 8110 | runtime = getToolChain().getDefaultObjCRuntime(isNonFragile); |
| 8111 | break; |
| 8112 | case RK_Fragile: |
| 8113 | runtime = ObjCRuntime(ObjCRuntime::FragileMacOSX, VersionTuple()); |
| 8114 | break; |
| 8115 | case RK_NonFragile: |
| 8116 | runtime = ObjCRuntime(ObjCRuntime::MacOSX, VersionTuple()); |
| 8117 | break; |
| 8118 | } |
| 8119 | |
| 8120 | // -fnext-runtime |
| 8121 | } else if (runtimeArg->getOption().matches(ID: options::OPT_fnext_runtime)) { |
| 8122 | // On Darwin, make this use the default behavior for the toolchain. |
| 8123 | if (getToolChain().getTriple().isOSDarwin()) { |
| 8124 | runtime = getToolChain().getDefaultObjCRuntime(isNonFragile); |
| 8125 | |
| 8126 | // Otherwise, build for a generic macosx port. |
| 8127 | } else { |
| 8128 | runtime = ObjCRuntime(ObjCRuntime::MacOSX, VersionTuple()); |
| 8129 | } |
| 8130 | |
| 8131 | // -fgnu-runtime |
| 8132 | } else { |
| 8133 | assert(runtimeArg->getOption().matches(options::OPT_fgnu_runtime)); |
| 8134 | // Legacy behaviour is to target the gnustep runtime if we are in |
| 8135 | // non-fragile mode or the GCC runtime in fragile mode. |
| 8136 | if (isNonFragile) |
| 8137 | runtime = ObjCRuntime(ObjCRuntime::GNUstep, VersionTuple(2, 0)); |
| 8138 | else |
| 8139 | runtime = ObjCRuntime(ObjCRuntime::GCC, VersionTuple()); |
| 8140 | } |
| 8141 | |
| 8142 | if (llvm::any_of(Range: inputs, P: [](const InputInfo &input) { |
| 8143 | return types::isObjC(Id: input.getType()); |
| 8144 | })) |
| 8145 | cmdArgs.push_back( |
| 8146 | Elt: args.MakeArgString(Str: "-fobjc-runtime="+ runtime.getAsString())); |
| 8147 | return runtime; |
| 8148 | } |
| 8149 | |
| 8150 | static bool maybeConsumeDash(const std::string &EH, size_t &I) { |
| 8151 | bool HaveDash = (I + 1 < EH.size() && EH[I + 1] == '-'); |
| 8152 | I += HaveDash; |
| 8153 | return !HaveDash; |
| 8154 | } |
| 8155 | |
| 8156 | namespace { |
| 8157 | struct EHFlags { |
| 8158 | bool Synch = false; |
| 8159 | bool Asynch = false; |
| 8160 | bool NoUnwindC = false; |
| 8161 | }; |
| 8162 | } // end anonymous namespace |
| 8163 | |
| 8164 | /// /EH controls whether to run destructor cleanups when exceptions are |
| 8165 | /// thrown. There are three modifiers: |
| 8166 | /// - s: Cleanup after "synchronous" exceptions, aka C++ exceptions. |
| 8167 | /// - a: Cleanup after "asynchronous" exceptions, aka structured exceptions. |
| 8168 | /// The 'a' modifier is unimplemented and fundamentally hard in LLVM IR. |
| 8169 | /// - c: Assume that extern "C" functions are implicitly nounwind. |
| 8170 | /// The default is /EHs-c-, meaning cleanups are disabled. |
| 8171 | static EHFlags parseClangCLEHFlags(const Driver &D, const ArgList &Args, |
| 8172 | bool isWindowsMSVC) { |
| 8173 | EHFlags EH; |
| 8174 | |
| 8175 | std::vector<std::string> EHArgs = |
| 8176 | Args.getAllArgValues(Id: options::OPT__SLASH_EH); |
| 8177 | for (const auto &EHVal : EHArgs) { |
| 8178 | for (size_t I = 0, E = EHVal.size(); I != E; ++I) { |
| 8179 | switch (EHVal[I]) { |
| 8180 | case 'a': |
| 8181 | EH.Asynch = maybeConsumeDash(EH: EHVal, I); |
| 8182 | if (EH.Asynch) { |
| 8183 | // Async exceptions are Windows MSVC only. |
| 8184 | if (!isWindowsMSVC) { |
| 8185 | EH.Asynch = false; |
| 8186 | D.Diag(DiagID: clang::diag::warn_drv_unused_argument) << "/EHa"<< EHVal; |
| 8187 | continue; |
| 8188 | } |
| 8189 | EH.Synch = false; |
| 8190 | } |
| 8191 | continue; |
| 8192 | case 'c': |
| 8193 | EH.NoUnwindC = maybeConsumeDash(EH: EHVal, I); |
| 8194 | continue; |
| 8195 | case 's': |
| 8196 | EH.Synch = maybeConsumeDash(EH: EHVal, I); |
| 8197 | if (EH.Synch) |
| 8198 | EH.Asynch = false; |
| 8199 | continue; |
| 8200 | default: |
| 8201 | break; |
| 8202 | } |
| 8203 | D.Diag(DiagID: clang::diag::err_drv_invalid_value) << "/EH"<< EHVal; |
| 8204 | break; |
| 8205 | } |
| 8206 | } |
| 8207 | // The /GX, /GX- flags are only processed if there are not /EH flags. |
| 8208 | // The default is that /GX is not specified. |
| 8209 | if (EHArgs.empty() && |
| 8210 | Args.hasFlag(Pos: options::OPT__SLASH_GX, Neg: options::OPT__SLASH_GX_, |
| 8211 | /*Default=*/false)) { |
| 8212 | EH.Synch = true; |
| 8213 | EH.NoUnwindC = true; |
| 8214 | } |
| 8215 | |
| 8216 | if (Args.hasArg(Ids: options::OPT__SLASH_kernel)) { |
| 8217 | EH.Synch = false; |
| 8218 | EH.NoUnwindC = false; |
| 8219 | EH.Asynch = false; |
| 8220 | } |
| 8221 | |
| 8222 | return EH; |
| 8223 | } |
| 8224 | |
| 8225 | void Clang::AddClangCLArgs(const ArgList &Args, types::ID InputType, |
| 8226 | ArgStringList &CmdArgs) const { |
| 8227 | bool isNVPTX = getToolChain().getTriple().isNVPTX(); |
| 8228 | |
| 8229 | ProcessVSRuntimeLibrary(TC: getToolChain(), Args, CmdArgs); |
| 8230 | |
| 8231 | if (Arg *ShowIncludes = |
| 8232 | Args.getLastArg(Ids: options::OPT__SLASH_showIncludes, |
| 8233 | Ids: options::OPT__SLASH_showIncludes_user)) { |
| 8234 | CmdArgs.push_back(Elt: "--show-includes"); |
| 8235 | if (ShowIncludes->getOption().matches(ID: options::OPT__SLASH_showIncludes)) |
| 8236 | CmdArgs.push_back(Elt: "-sys-header-deps"); |
| 8237 | } |
| 8238 | |
| 8239 | // This controls whether or not we emit RTTI data for polymorphic types. |
| 8240 | if (Args.hasFlag(Pos: options::OPT__SLASH_GR_, Neg: options::OPT__SLASH_GR, |
| 8241 | /*Default=*/false)) |
| 8242 | CmdArgs.push_back(Elt: "-fno-rtti-data"); |
| 8243 | |
| 8244 | // This controls whether or not we emit stack-protector instrumentation. |
| 8245 | // In MSVC, Buffer Security Check (/GS) is on by default. |
| 8246 | if (!isNVPTX && Args.hasFlag(Pos: options::OPT__SLASH_GS, Neg: options::OPT__SLASH_GS_, |
| 8247 | /*Default=*/true)) { |
| 8248 | CmdArgs.push_back(Elt: "-stack-protector"); |
| 8249 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Twine(LangOptions::SSPStrong))); |
| 8250 | } |
| 8251 | |
| 8252 | const Driver &D = getToolChain().getDriver(); |
| 8253 | |
| 8254 | bool IsWindowsMSVC = getToolChain().getTriple().isWindowsMSVCEnvironment(); |
| 8255 | EHFlags EH = parseClangCLEHFlags(D, Args, isWindowsMSVC: IsWindowsMSVC); |
| 8256 | if (!isNVPTX && (EH.Synch || EH.Asynch)) { |
| 8257 | if (types::isCXX(Id: InputType)) |
| 8258 | CmdArgs.push_back(Elt: "-fcxx-exceptions"); |
| 8259 | CmdArgs.push_back(Elt: "-fexceptions"); |
| 8260 | if (EH.Asynch) |
| 8261 | CmdArgs.push_back(Elt: "-fasync-exceptions"); |
| 8262 | } |
| 8263 | if (types::isCXX(Id: InputType) && EH.Synch && EH.NoUnwindC) |
| 8264 | CmdArgs.push_back(Elt: "-fexternc-nounwind"); |
| 8265 | |
| 8266 | // /EP should expand to -E -P. |
| 8267 | if (Args.hasArg(Ids: options::OPT__SLASH_EP)) { |
| 8268 | CmdArgs.push_back(Elt: "-E"); |
| 8269 | CmdArgs.push_back(Elt: "-P"); |
| 8270 | } |
| 8271 | |
| 8272 | if (Args.hasFlag(Pos: options::OPT__SLASH_Zc_dllexportInlines_, |
| 8273 | Neg: options::OPT__SLASH_Zc_dllexportInlines, |
| 8274 | Default: false)) { |
| 8275 | CmdArgs.push_back(Elt: "-fno-dllexport-inlines"); |
| 8276 | } |
| 8277 | |
| 8278 | if (Args.hasFlag(Pos: options::OPT__SLASH_Zc_wchar_t_, |
| 8279 | Neg: options::OPT__SLASH_Zc_wchar_t, Default: false)) { |
| 8280 | CmdArgs.push_back(Elt: "-fno-wchar"); |
| 8281 | } |
| 8282 | |
| 8283 | if (Args.hasArg(Ids: options::OPT__SLASH_kernel)) { |
| 8284 | llvm::Triple::ArchType Arch = getToolChain().getArch(); |
| 8285 | std::vector<std::string> Values = |
| 8286 | Args.getAllArgValues(Id: options::OPT__SLASH_arch); |
| 8287 | if (!Values.empty()) { |
| 8288 | llvm::SmallSet<std::string, 4> SupportedArches; |
| 8289 | if (Arch == llvm::Triple::x86) |
| 8290 | SupportedArches.insert(V: "IA32"); |
| 8291 | |
| 8292 | for (auto &V : Values) |
| 8293 | if (!SupportedArches.contains(V)) |
| 8294 | D.Diag(DiagID: diag::err_drv_argument_not_allowed_with) |
| 8295 | << std::string("/arch:").append(str: V) << "/kernel"; |
| 8296 | } |
| 8297 | |
| 8298 | CmdArgs.push_back(Elt: "-fno-rtti"); |
| 8299 | if (Args.hasFlag(Pos: options::OPT__SLASH_GR, Neg: options::OPT__SLASH_GR_, Default: false)) |
| 8300 | D.Diag(DiagID: diag::err_drv_argument_not_allowed_with) << "/GR" |
| 8301 | << "/kernel"; |
| 8302 | } |
| 8303 | |
| 8304 | Arg *MostGeneralArg = Args.getLastArg(Ids: options::OPT__SLASH_vmg); |
| 8305 | Arg *BestCaseArg = Args.getLastArg(Ids: options::OPT__SLASH_vmb); |
| 8306 | if (MostGeneralArg && BestCaseArg) |
| 8307 | D.Diag(DiagID: clang::diag::err_drv_argument_not_allowed_with) |
| 8308 | << MostGeneralArg->getAsString(Args) << BestCaseArg->getAsString(Args); |
| 8309 | |
| 8310 | if (MostGeneralArg) { |
| 8311 | Arg *SingleArg = Args.getLastArg(Ids: options::OPT__SLASH_vms); |
| 8312 | Arg *MultipleArg = Args.getLastArg(Ids: options::OPT__SLASH_vmm); |
| 8313 | Arg *VirtualArg = Args.getLastArg(Ids: options::OPT__SLASH_vmv); |
| 8314 | |
| 8315 | Arg *FirstConflict = SingleArg ? SingleArg : MultipleArg; |
| 8316 | Arg *SecondConflict = VirtualArg ? VirtualArg : MultipleArg; |
| 8317 | if (FirstConflict && SecondConflict && FirstConflict != SecondConflict) |
| 8318 | D.Diag(DiagID: clang::diag::err_drv_argument_not_allowed_with) |
| 8319 | << FirstConflict->getAsString(Args) |
| 8320 | << SecondConflict->getAsString(Args); |
| 8321 | |
| 8322 | if (SingleArg) |
| 8323 | CmdArgs.push_back(Elt: "-fms-memptr-rep=single"); |
| 8324 | else if (MultipleArg) |
| 8325 | CmdArgs.push_back(Elt: "-fms-memptr-rep=multiple"); |
| 8326 | else |
| 8327 | CmdArgs.push_back(Elt: "-fms-memptr-rep=virtual"); |
| 8328 | } |
| 8329 | |
| 8330 | if (Args.hasArg(Ids: options::OPT_regcall4)) |
| 8331 | CmdArgs.push_back(Elt: "-regcall4"); |
| 8332 | |
| 8333 | // Parse the default calling convention options. |
| 8334 | if (Arg *CCArg = |
| 8335 | Args.getLastArg(Ids: options::OPT__SLASH_Gd, Ids: options::OPT__SLASH_Gr, |
| 8336 | Ids: options::OPT__SLASH_Gz, Ids: options::OPT__SLASH_Gv, |
| 8337 | Ids: options::OPT__SLASH_Gregcall)) { |
| 8338 | unsigned DCCOptId = CCArg->getOption().getID(); |
| 8339 | const char *DCCFlag = nullptr; |
| 8340 | bool ArchSupported = !isNVPTX; |
| 8341 | llvm::Triple::ArchType Arch = getToolChain().getArch(); |
| 8342 | switch (DCCOptId) { |
| 8343 | case options::OPT__SLASH_Gd: |
| 8344 | DCCFlag = "-fdefault-calling-conv=cdecl"; |
| 8345 | break; |
| 8346 | case options::OPT__SLASH_Gr: |
| 8347 | ArchSupported = Arch == llvm::Triple::x86; |
| 8348 | DCCFlag = "-fdefault-calling-conv=fastcall"; |
| 8349 | break; |
| 8350 | case options::OPT__SLASH_Gz: |
| 8351 | ArchSupported = Arch == llvm::Triple::x86; |
| 8352 | DCCFlag = "-fdefault-calling-conv=stdcall"; |
| 8353 | break; |
| 8354 | case options::OPT__SLASH_Gv: |
| 8355 | ArchSupported = Arch == llvm::Triple::x86 || Arch == llvm::Triple::x86_64; |
| 8356 | DCCFlag = "-fdefault-calling-conv=vectorcall"; |
| 8357 | break; |
| 8358 | case options::OPT__SLASH_Gregcall: |
| 8359 | ArchSupported = Arch == llvm::Triple::x86 || Arch == llvm::Triple::x86_64; |
| 8360 | DCCFlag = "-fdefault-calling-conv=regcall"; |
| 8361 | break; |
| 8362 | } |
| 8363 | |
| 8364 | // MSVC doesn't warn if /Gr or /Gz is used on x64, so we don't either. |
| 8365 | if (ArchSupported && DCCFlag) |
| 8366 | CmdArgs.push_back(Elt: DCCFlag); |
| 8367 | } |
| 8368 | |
| 8369 | if (Args.hasArg(Ids: options::OPT__SLASH_Gregcall4)) |
| 8370 | CmdArgs.push_back(Elt: "-regcall4"); |
| 8371 | |
| 8372 | Args.AddLastArg(Output&: CmdArgs, Ids: options::OPT_vtordisp_mode_EQ); |
| 8373 | |
| 8374 | if (!Args.hasArg(Ids: options::OPT_fdiagnostics_format_EQ)) { |
| 8375 | CmdArgs.push_back(Elt: "-fdiagnostics-format"); |
| 8376 | CmdArgs.push_back(Elt: "msvc"); |
| 8377 | } |
| 8378 | |
| 8379 | if (Args.hasArg(Ids: options::OPT__SLASH_kernel)) |
| 8380 | CmdArgs.push_back(Elt: "-fms-kernel"); |
| 8381 | |
| 8382 | for (const Arg *A : Args.filtered(Ids: options::OPT__SLASH_guard)) { |
| 8383 | StringRef GuardArgs = A->getValue(); |
| 8384 | // The only valid options are "cf", "cf,nochecks", "cf-", "ehcont" and |
| 8385 | // "ehcont-". |
| 8386 | if (GuardArgs.equals_insensitive(RHS: "cf")) { |
| 8387 | // Emit CFG instrumentation and the table of address-taken functions. |
| 8388 | CmdArgs.push_back(Elt: "-cfguard"); |
| 8389 | } else if (GuardArgs.equals_insensitive(RHS: "cf,nochecks")) { |
| 8390 | // Emit only the table of address-taken functions. |
| 8391 | CmdArgs.push_back(Elt: "-cfguard-no-checks"); |
| 8392 | } else if (GuardArgs.equals_insensitive(RHS: "ehcont")) { |
| 8393 | // Emit EH continuation table. |
| 8394 | CmdArgs.push_back(Elt: "-ehcontguard"); |
| 8395 | } else if (GuardArgs.equals_insensitive(RHS: "cf-") || |
| 8396 | GuardArgs.equals_insensitive(RHS: "ehcont-")) { |
| 8397 | // Do nothing, but we might want to emit a security warning in future. |
| 8398 | } else { |
| 8399 | D.Diag(DiagID: diag::err_drv_invalid_value) << A->getSpelling() << GuardArgs; |
| 8400 | } |
| 8401 | A->claim(); |
| 8402 | } |
| 8403 | } |
| 8404 | |
| 8405 | const char *Clang::getBaseInputName(const ArgList &Args, |
| 8406 | const InputInfo &Input) { |
| 8407 | return Args.MakeArgString(Str: llvm::sys::path::filename(path: Input.getBaseInput())); |
| 8408 | } |
| 8409 | |
| 8410 | const char *Clang::getBaseInputStem(const ArgList &Args, |
| 8411 | const InputInfoList &Inputs) { |
| 8412 | const char *Str = getBaseInputName(Args, Input: Inputs[0]); |
| 8413 | |
| 8414 | if (const char *End = strrchr(s: Str, c: '.')) |
| 8415 | return Args.MakeArgString(Str: std::string(Str, End)); |
| 8416 | |
| 8417 | return Str; |
| 8418 | } |
| 8419 | |
| 8420 | const char *Clang::getDependencyFileName(const ArgList &Args, |
| 8421 | const InputInfoList &Inputs) { |
| 8422 | // FIXME: Think about this more. |
| 8423 | |
| 8424 | if (Arg *OutputOpt = Args.getLastArg(Ids: options::OPT_o)) { |
| 8425 | SmallString<128> OutputFilename(OutputOpt->getValue()); |
| 8426 | llvm::sys::path::replace_extension(path&: OutputFilename, extension: llvm::Twine('d')); |
| 8427 | return Args.MakeArgString(Str: OutputFilename); |
| 8428 | } |
| 8429 | |
| 8430 | return Args.MakeArgString(Str: Twine(getBaseInputStem(Args, Inputs)) + ".d"); |
| 8431 | } |
| 8432 | |
| 8433 | // Begin ClangAs |
| 8434 | |
| 8435 | void ClangAs::AddMIPSTargetArgs(const ArgList &Args, |
| 8436 | ArgStringList &CmdArgs) const { |
| 8437 | StringRef CPUName; |
| 8438 | StringRef ABIName; |
| 8439 | const llvm::Triple &Triple = getToolChain().getTriple(); |
| 8440 | mips::getMipsCPUAndABI(Args, Triple, CPUName, ABIName); |
| 8441 | |
| 8442 | CmdArgs.push_back(Elt: "-target-abi"); |
| 8443 | CmdArgs.push_back(Elt: ABIName.data()); |
| 8444 | } |
| 8445 | |
| 8446 | void ClangAs::AddX86TargetArgs(const ArgList &Args, |
| 8447 | ArgStringList &CmdArgs) const { |
| 8448 | addX86AlignBranchArgs(D: getToolChain().getDriver(), Args, CmdArgs, |
| 8449 | /*IsLTO=*/false); |
| 8450 | |
| 8451 | if (Arg *A = Args.getLastArg(Ids: options::OPT_masm_EQ)) { |
| 8452 | StringRef Value = A->getValue(); |
| 8453 | if (Value == "intel"|| Value == "att") { |
| 8454 | CmdArgs.push_back(Elt: "-mllvm"); |
| 8455 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-x86-asm-syntax="+ Value)); |
| 8456 | } else { |
| 8457 | getToolChain().getDriver().Diag(DiagID: diag::err_drv_unsupported_option_argument) |
| 8458 | << A->getSpelling() << Value; |
| 8459 | } |
| 8460 | } |
| 8461 | } |
| 8462 | |
| 8463 | void ClangAs::AddLoongArchTargetArgs(const ArgList &Args, |
| 8464 | ArgStringList &CmdArgs) const { |
| 8465 | CmdArgs.push_back(Elt: "-target-abi"); |
| 8466 | CmdArgs.push_back(Elt: loongarch::getLoongArchABI(D: getToolChain().getDriver(), Args, |
| 8467 | Triple: getToolChain().getTriple()) |
| 8468 | .data()); |
| 8469 | } |
| 8470 | |
| 8471 | void ClangAs::AddRISCVTargetArgs(const ArgList &Args, |
| 8472 | ArgStringList &CmdArgs) const { |
| 8473 | const llvm::Triple &Triple = getToolChain().getTriple(); |
| 8474 | StringRef ABIName = riscv::getRISCVABI(Args, Triple); |
| 8475 | |
| 8476 | CmdArgs.push_back(Elt: "-target-abi"); |
| 8477 | CmdArgs.push_back(Elt: ABIName.data()); |
| 8478 | |
| 8479 | if (Args.hasFlag(Pos: options::OPT_mdefault_build_attributes, |
| 8480 | Neg: options::OPT_mno_default_build_attributes, Default: true)) { |
| 8481 | CmdArgs.push_back(Elt: "-mllvm"); |
| 8482 | CmdArgs.push_back(Elt: "-riscv-add-build-attributes"); |
| 8483 | } |
| 8484 | } |
| 8485 | |
| 8486 | void ClangAs::ConstructJob(Compilation &C, const JobAction &JA, |
| 8487 | const InputInfo &Output, const InputInfoList &Inputs, |
| 8488 | const ArgList &Args, |
| 8489 | const char *LinkingOutput) const { |
| 8490 | ArgStringList CmdArgs; |
| 8491 | |
| 8492 | assert(Inputs.size() == 1 && "Unexpected number of inputs."); |
| 8493 | const InputInfo &Input = Inputs[0]; |
| 8494 | |
| 8495 | const llvm::Triple &Triple = getToolChain().getEffectiveTriple(); |
| 8496 | const std::string &TripleStr = Triple.getTriple(); |
| 8497 | const auto &D = getToolChain().getDriver(); |
| 8498 | |
| 8499 | // Don't warn about "clang -w -c foo.s" |
| 8500 | Args.ClaimAllArgs(Id0: options::OPT_w); |
| 8501 | // and "clang -emit-llvm -c foo.s" |
| 8502 | Args.ClaimAllArgs(Id0: options::OPT_emit_llvm); |
| 8503 | |
| 8504 | claimNoWarnArgs(Args); |
| 8505 | |
| 8506 | // Invoke ourselves in -cc1as mode. |
| 8507 | // |
| 8508 | // FIXME: Implement custom jobs for internal actions. |
| 8509 | CmdArgs.push_back(Elt: "-cc1as"); |
| 8510 | |
| 8511 | // Add the "effective" target triple. |
| 8512 | CmdArgs.push_back(Elt: "-triple"); |
| 8513 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: TripleStr)); |
| 8514 | |
| 8515 | getToolChain().addClangCC1ASTargetOptions(Args, CC1ASArgs&: CmdArgs); |
| 8516 | |
| 8517 | // Set the output mode, we currently only expect to be used as a real |
| 8518 | // assembler. |
| 8519 | CmdArgs.push_back(Elt: "-filetype"); |
| 8520 | CmdArgs.push_back(Elt: "obj"); |
| 8521 | |
| 8522 | // Set the main file name, so that debug info works even with |
| 8523 | // -save-temps or preprocessed assembly. |
| 8524 | CmdArgs.push_back(Elt: "-main-file-name"); |
| 8525 | CmdArgs.push_back(Elt: Clang::getBaseInputName(Args, Input)); |
| 8526 | |
| 8527 | // Add the target cpu |
| 8528 | std::string CPU = getCPUName(D, Args, T: Triple, /*FromAs*/ true); |
| 8529 | if (!CPU.empty()) { |
| 8530 | CmdArgs.push_back(Elt: "-target-cpu"); |
| 8531 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: CPU)); |
| 8532 | } |
| 8533 | |
| 8534 | // Add the target features |
| 8535 | getTargetFeatures(D, Triple, Args, CmdArgs, ForAS: true); |
| 8536 | |
| 8537 | // Ignore explicit -force_cpusubtype_ALL option. |
| 8538 | (void)Args.hasArg(Ids: options::OPT_force__cpusubtype__ALL); |
| 8539 | |
| 8540 | // Pass along any -I options so we get proper .include search paths. |
| 8541 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_I_Group); |
| 8542 | |
| 8543 | // Pass along any --embed-dir or similar options so we get proper embed paths. |
| 8544 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_embed_dir_EQ); |
| 8545 | |
| 8546 | // Determine the original source input. |
| 8547 | auto FindSource = [](const Action *S) -> const Action * { |
| 8548 | while (S->getKind() != Action::InputClass) { |
| 8549 | assert(!S->getInputs().empty() && "unexpected root action!"); |
| 8550 | S = S->getInputs()[0]; |
| 8551 | } |
| 8552 | return S; |
| 8553 | }; |
| 8554 | const Action *SourceAction = FindSource(&JA); |
| 8555 | |
| 8556 | // Forward -g and handle debug info related flags, assuming we are dealing |
| 8557 | // with an actual assembly file. |
| 8558 | bool WantDebug = false; |
| 8559 | Args.ClaimAllArgs(Id0: options::OPT_g_Group); |
| 8560 | if (Arg *A = Args.getLastArg(Ids: options::OPT_g_Group)) |
| 8561 | WantDebug = !A->getOption().matches(ID: options::OPT_g0) && |
| 8562 | !A->getOption().matches(ID: options::OPT_ggdb0); |
| 8563 | |
| 8564 | // If a -gdwarf argument appeared, remember it. |
| 8565 | bool EmitDwarf = false; |
| 8566 | if (const Arg *A = getDwarfNArg(Args)) |
| 8567 | EmitDwarf = checkDebugInfoOption(A, Args, D, TC: getToolChain()); |
| 8568 | |
| 8569 | bool EmitCodeView = false; |
| 8570 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_gcodeview)) |
| 8571 | EmitCodeView = checkDebugInfoOption(A, Args, D, TC: getToolChain()); |
| 8572 | |
| 8573 | // If the user asked for debug info but did not explicitly specify -gcodeview |
| 8574 | // or -gdwarf, ask the toolchain for the default format. |
| 8575 | if (!EmitCodeView && !EmitDwarf && WantDebug) { |
| 8576 | switch (getToolChain().getDefaultDebugFormat()) { |
| 8577 | case llvm::codegenoptions::DIF_CodeView: |
| 8578 | EmitCodeView = true; |
| 8579 | break; |
| 8580 | case llvm::codegenoptions::DIF_DWARF: |
| 8581 | EmitDwarf = true; |
| 8582 | break; |
| 8583 | } |
| 8584 | } |
| 8585 | |
| 8586 | // If the arguments don't imply DWARF, don't emit any debug info here. |
| 8587 | if (!EmitDwarf) |
| 8588 | WantDebug = false; |
| 8589 | |
| 8590 | llvm::codegenoptions::DebugInfoKind DebugInfoKind = |
| 8591 | llvm::codegenoptions::NoDebugInfo; |
| 8592 | |
| 8593 | // Add the -fdebug-compilation-dir flag if needed. |
| 8594 | const char *DebugCompilationDir = |
| 8595 | addDebugCompDirArg(Args, CmdArgs, VFS: C.getDriver().getVFS()); |
| 8596 | |
| 8597 | if (SourceAction->getType() == types::TY_Asm || |
| 8598 | SourceAction->getType() == types::TY_PP_Asm) { |
| 8599 | // You might think that it would be ok to set DebugInfoKind outside of |
| 8600 | // the guard for source type, however there is a test which asserts |
| 8601 | // that some assembler invocation receives no -debug-info-kind, |
| 8602 | // and it's not clear whether that test is just overly restrictive. |
| 8603 | DebugInfoKind = (WantDebug ? llvm::codegenoptions::DebugInfoConstructor |
| 8604 | : llvm::codegenoptions::NoDebugInfo); |
| 8605 | |
| 8606 | addDebugPrefixMapArg(D: getToolChain().getDriver(), TC: getToolChain(), Args, |
| 8607 | CmdArgs); |
| 8608 | |
| 8609 | // Set the AT_producer to the clang version when using the integrated |
| 8610 | // assembler on assembly source files. |
| 8611 | CmdArgs.push_back(Elt: "-dwarf-debug-producer"); |
| 8612 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: getClangFullVersion())); |
| 8613 | |
| 8614 | // And pass along -I options |
| 8615 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_I); |
| 8616 | } |
| 8617 | const unsigned DwarfVersion = getDwarfVersion(TC: getToolChain(), Args); |
| 8618 | RenderDebugEnablingArgs(Args, CmdArgs, DebugInfoKind, DwarfVersion, |
| 8619 | DebuggerTuning: llvm::DebuggerKind::Default); |
| 8620 | renderDwarfFormat(D, T: Triple, Args, CmdArgs, DwarfVersion); |
| 8621 | RenderDebugInfoCompressionArgs(Args, CmdArgs, D, TC: getToolChain()); |
| 8622 | |
| 8623 | // Handle -fPIC et al -- the relocation-model affects the assembler |
| 8624 | // for some targets. |
| 8625 | llvm::Reloc::Model RelocationModel; |
| 8626 | unsigned PICLevel; |
| 8627 | bool IsPIE; |
| 8628 | std::tie(args&: RelocationModel, args&: PICLevel, args&: IsPIE) = |
| 8629 | ParsePICArgs(ToolChain: getToolChain(), Args); |
| 8630 | |
| 8631 | const char *RMName = RelocationModelName(Model: RelocationModel); |
| 8632 | if (RMName) { |
| 8633 | CmdArgs.push_back(Elt: "-mrelocation-model"); |
| 8634 | CmdArgs.push_back(Elt: RMName); |
| 8635 | } |
| 8636 | |
| 8637 | // Optionally embed the -cc1as level arguments into the debug info, for build |
| 8638 | // analysis. |
| 8639 | if (getToolChain().UseDwarfDebugFlags()) { |
| 8640 | ArgStringList OriginalArgs; |
| 8641 | for (const auto &Arg : Args) |
| 8642 | Arg->render(Args, Output&: OriginalArgs); |
| 8643 | |
| 8644 | SmallString<256> Flags; |
| 8645 | const char *Exec = getToolChain().getDriver().getClangProgramPath(); |
| 8646 | EscapeSpacesAndBackslashes(Arg: Exec, Res&: Flags); |
| 8647 | for (const char *OriginalArg : OriginalArgs) { |
| 8648 | SmallString<128> EscapedArg; |
| 8649 | EscapeSpacesAndBackslashes(Arg: OriginalArg, Res&: EscapedArg); |
| 8650 | Flags += " "; |
| 8651 | Flags += EscapedArg; |
| 8652 | } |
| 8653 | CmdArgs.push_back(Elt: "-dwarf-debug-flags"); |
| 8654 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Flags)); |
| 8655 | } |
| 8656 | |
| 8657 | // FIXME: Add -static support, once we have it. |
| 8658 | |
| 8659 | // Add target specific flags. |
| 8660 | switch (getToolChain().getArch()) { |
| 8661 | default: |
| 8662 | break; |
| 8663 | |
| 8664 | case llvm::Triple::mips: |
| 8665 | case llvm::Triple::mipsel: |
| 8666 | case llvm::Triple::mips64: |
| 8667 | case llvm::Triple::mips64el: |
| 8668 | AddMIPSTargetArgs(Args, CmdArgs); |
| 8669 | break; |
| 8670 | |
| 8671 | case llvm::Triple::x86: |
| 8672 | case llvm::Triple::x86_64: |
| 8673 | AddX86TargetArgs(Args, CmdArgs); |
| 8674 | break; |
| 8675 | |
| 8676 | case llvm::Triple::arm: |
| 8677 | case llvm::Triple::armeb: |
| 8678 | case llvm::Triple::thumb: |
| 8679 | case llvm::Triple::thumbeb: |
| 8680 | // This isn't in AddARMTargetArgs because we want to do this for assembly |
| 8681 | // only, not C/C++. |
| 8682 | if (Args.hasFlag(Pos: options::OPT_mdefault_build_attributes, |
| 8683 | Neg: options::OPT_mno_default_build_attributes, Default: true)) { |
| 8684 | CmdArgs.push_back(Elt: "-mllvm"); |
| 8685 | CmdArgs.push_back(Elt: "-arm-add-build-attributes"); |
| 8686 | } |
| 8687 | break; |
| 8688 | |
| 8689 | case llvm::Triple::aarch64: |
| 8690 | case llvm::Triple::aarch64_32: |
| 8691 | case llvm::Triple::aarch64_be: |
| 8692 | if (Args.hasArg(Ids: options::OPT_mmark_bti_property)) { |
| 8693 | CmdArgs.push_back(Elt: "-mllvm"); |
| 8694 | CmdArgs.push_back(Elt: "-aarch64-mark-bti-property"); |
| 8695 | } |
| 8696 | break; |
| 8697 | |
| 8698 | case llvm::Triple::loongarch32: |
| 8699 | case llvm::Triple::loongarch64: |
| 8700 | AddLoongArchTargetArgs(Args, CmdArgs); |
| 8701 | break; |
| 8702 | |
| 8703 | case llvm::Triple::riscv32: |
| 8704 | case llvm::Triple::riscv64: |
| 8705 | AddRISCVTargetArgs(Args, CmdArgs); |
| 8706 | break; |
| 8707 | |
| 8708 | case llvm::Triple::hexagon: |
| 8709 | if (Args.hasFlag(Pos: options::OPT_mdefault_build_attributes, |
| 8710 | Neg: options::OPT_mno_default_build_attributes, Default: true)) { |
| 8711 | CmdArgs.push_back(Elt: "-mllvm"); |
| 8712 | CmdArgs.push_back(Elt: "-hexagon-add-build-attributes"); |
| 8713 | } |
| 8714 | break; |
| 8715 | } |
| 8716 | |
| 8717 | // Consume all the warning flags. Usually this would be handled more |
| 8718 | // gracefully by -cc1 (warning about unknown warning flags, etc) but -cc1as |
| 8719 | // doesn't handle that so rather than warning about unused flags that are |
| 8720 | // actually used, we'll lie by omission instead. |
| 8721 | // FIXME: Stop lying and consume only the appropriate driver flags |
| 8722 | Args.ClaimAllArgs(Id0: options::OPT_W_Group); |
| 8723 | |
| 8724 | CollectArgsForIntegratedAssembler(C, Args, CmdArgs, |
| 8725 | D: getToolChain().getDriver()); |
| 8726 | |
| 8727 | Args.AddAllArgs(Output&: CmdArgs, Id0: options::OPT_mllvm); |
| 8728 | |
| 8729 | if (DebugInfoKind > llvm::codegenoptions::NoDebugInfo && Output.isFilename()) |
| 8730 | addDebugObjectName(Args, CmdArgs, DebugCompilationDir, |
| 8731 | OutputFileName: Output.getFilename()); |
| 8732 | |
| 8733 | // Fixup any previous commands that use -object-file-name because when we |
| 8734 | // generated them, the final .obj name wasn't yet known. |
| 8735 | for (Command &J : C.getJobs()) { |
| 8736 | if (SourceAction != FindSource(&J.getSource())) |
| 8737 | continue; |
| 8738 | auto &JArgs = J.getArguments(); |
| 8739 | for (unsigned I = 0; I < JArgs.size(); ++I) { |
| 8740 | if (StringRef(JArgs[I]).starts_with(Prefix: "-object-file-name=") && |
| 8741 | Output.isFilename()) { |
| 8742 | ArgStringList NewArgs(JArgs.begin(), JArgs.begin() + I); |
| 8743 | addDebugObjectName(Args, CmdArgs&: NewArgs, DebugCompilationDir, |
| 8744 | OutputFileName: Output.getFilename()); |
| 8745 | NewArgs.append(in_start: JArgs.begin() + I + 1, in_end: JArgs.end()); |
| 8746 | J.replaceArguments(List: NewArgs); |
| 8747 | break; |
| 8748 | } |
| 8749 | } |
| 8750 | } |
| 8751 | |
| 8752 | assert(Output.isFilename() && "Unexpected lipo output."); |
| 8753 | CmdArgs.push_back(Elt: "-o"); |
| 8754 | CmdArgs.push_back(Elt: Output.getFilename()); |
| 8755 | |
| 8756 | const llvm::Triple &T = getToolChain().getTriple(); |
| 8757 | Arg *A; |
| 8758 | if (getDebugFissionKind(D, Args, Arg&: A) == DwarfFissionKind::Split && |
| 8759 | T.isOSBinFormatELF()) { |
| 8760 | CmdArgs.push_back(Elt: "-split-dwarf-output"); |
| 8761 | CmdArgs.push_back(Elt: SplitDebugName(JA, Args, Input, Output)); |
| 8762 | } |
| 8763 | |
| 8764 | if (Triple.isAMDGPU()) |
| 8765 | handleAMDGPUCodeObjectVersionOptions(D, Args, CmdArgs, /*IsCC1As=*/true); |
| 8766 | |
| 8767 | assert(Input.isFilename() && "Invalid input."); |
| 8768 | CmdArgs.push_back(Elt: Input.getFilename()); |
| 8769 | |
| 8770 | const char *Exec = getToolChain().getDriver().getClangProgramPath(); |
| 8771 | if (D.CC1Main && !D.CCGenDiagnostics) { |
| 8772 | // Invoke cc1as directly in this process. |
| 8773 | C.addCommand(C: std::make_unique<CC1Command>( |
| 8774 | args: JA, args: *this, args: ResponseFileSupport::AtFileUTF8(), args&: Exec, args&: CmdArgs, args: Inputs, |
| 8775 | args: Output, args: D.getPrependArg())); |
| 8776 | } else { |
| 8777 | C.addCommand(C: std::make_unique<Command>( |
| 8778 | args: JA, args: *this, args: ResponseFileSupport::AtFileUTF8(), args&: Exec, args&: CmdArgs, args: Inputs, |
| 8779 | args: Output, args: D.getPrependArg())); |
| 8780 | } |
| 8781 | } |
| 8782 | |
| 8783 | // Begin OffloadBundler |
| 8784 | void OffloadBundler::ConstructJob(Compilation &C, const JobAction &JA, |
| 8785 | const InputInfo &Output, |
| 8786 | const InputInfoList &Inputs, |
| 8787 | const llvm::opt::ArgList &TCArgs, |
| 8788 | const char *LinkingOutput) const { |
| 8789 | // The version with only one output is expected to refer to a bundling job. |
| 8790 | assert(isa<OffloadBundlingJobAction>(JA) && "Expecting bundling job!"); |
| 8791 | |
| 8792 | // The bundling command looks like this: |
| 8793 | // clang-offload-bundler -type=bc |
| 8794 | // -targets=host-triple,openmp-triple1,openmp-triple2 |
| 8795 | // -output=output_file |
| 8796 | // -input=unbundle_file_host |
| 8797 | // -input=unbundle_file_tgt1 |
| 8798 | // -input=unbundle_file_tgt2 |
| 8799 | |
| 8800 | ArgStringList CmdArgs; |
| 8801 | |
| 8802 | // Get the type. |
| 8803 | CmdArgs.push_back(Elt: TCArgs.MakeArgString( |
| 8804 | Str: Twine("-type=") + types::getTypeTempSuffix(Id: Output.getType()))); |
| 8805 | |
| 8806 | assert(JA.getInputs().size() == Inputs.size() && |
| 8807 | "Not have inputs for all dependence actions??"); |
| 8808 | |
| 8809 | // Get the targets. |
| 8810 | SmallString<128> Triples; |
| 8811 | Triples += "-targets="; |
| 8812 | for (unsigned I = 0; I < Inputs.size(); ++I) { |
| 8813 | if (I) |
| 8814 | Triples += ','; |
| 8815 | |
| 8816 | // Find ToolChain for this input. |
| 8817 | Action::OffloadKind CurKind = Action::OFK_Host; |
| 8818 | const ToolChain *CurTC = &getToolChain(); |
| 8819 | const Action *CurDep = JA.getInputs()[I]; |
| 8820 | |
| 8821 | if (const auto *OA = dyn_cast<OffloadAction>(Val: CurDep)) { |
| 8822 | CurTC = nullptr; |
| 8823 | OA->doOnEachDependence(Work: [&](Action *A, const ToolChain *TC, const char *) { |
| 8824 | assert(CurTC == nullptr && "Expected one dependence!"); |
| 8825 | CurKind = A->getOffloadingDeviceKind(); |
| 8826 | CurTC = TC; |
| 8827 | }); |
| 8828 | } |
| 8829 | Triples += Action::GetOffloadKindName(Kind: CurKind); |
| 8830 | Triples += '-'; |
| 8831 | Triples += CurTC->getTriple().normalize(); |
| 8832 | if ((CurKind == Action::OFK_HIP || CurKind == Action::OFK_Cuda) && |
| 8833 | !StringRef(CurDep->getOffloadingArch()).empty()) { |
| 8834 | Triples += '-'; |
| 8835 | Triples += CurDep->getOffloadingArch(); |
| 8836 | } |
| 8837 | |
| 8838 | // TODO: Replace parsing of -march flag. Can be done by storing GPUArch |
| 8839 | // with each toolchain. |
| 8840 | StringRef GPUArchName; |
| 8841 | if (CurKind == Action::OFK_OpenMP) { |
| 8842 | // Extract GPUArch from -march argument in TC argument list. |
| 8843 | for (unsigned ArgIndex = 0; ArgIndex < TCArgs.size(); ArgIndex++) { |
| 8844 | auto ArchStr = StringRef(TCArgs.getArgString(Index: ArgIndex)); |
| 8845 | auto Arch = ArchStr.starts_with_insensitive(Prefix: "-march="); |
| 8846 | if (Arch) { |
| 8847 | GPUArchName = ArchStr.substr(Start: 7); |
| 8848 | Triples += "-"; |
| 8849 | break; |
| 8850 | } |
| 8851 | } |
| 8852 | Triples += GPUArchName.str(); |
| 8853 | } |
| 8854 | } |
| 8855 | CmdArgs.push_back(Elt: TCArgs.MakeArgString(Str: Triples)); |
| 8856 | |
| 8857 | // Get bundled file command. |
| 8858 | CmdArgs.push_back( |
| 8859 | Elt: TCArgs.MakeArgString(Str: Twine("-output=") + Output.getFilename())); |
| 8860 | |
| 8861 | // Get unbundled files command. |
| 8862 | for (unsigned I = 0; I < Inputs.size(); ++I) { |
| 8863 | SmallString<128> UB; |
| 8864 | UB += "-input="; |
| 8865 | |
| 8866 | // Find ToolChain for this input. |
| 8867 | const ToolChain *CurTC = &getToolChain(); |
| 8868 | if (const auto *OA = dyn_cast<OffloadAction>(Val: JA.getInputs()[I])) { |
| 8869 | CurTC = nullptr; |
| 8870 | OA->doOnEachDependence(Work: [&](Action *, const ToolChain *TC, const char *) { |
| 8871 | assert(CurTC == nullptr && "Expected one dependence!"); |
| 8872 | CurTC = TC; |
| 8873 | }); |
| 8874 | UB += C.addTempFile( |
| 8875 | Name: C.getArgs().MakeArgString(Str: CurTC->getInputFilename(Input: Inputs[I]))); |
| 8876 | } else { |
| 8877 | UB += CurTC->getInputFilename(Input: Inputs[I]); |
| 8878 | } |
| 8879 | CmdArgs.push_back(Elt: TCArgs.MakeArgString(Str: UB)); |
| 8880 | } |
| 8881 | addOffloadCompressArgs(TCArgs, CmdArgs); |
| 8882 | // All the inputs are encoded as commands. |
| 8883 | C.addCommand(C: std::make_unique<Command>( |
| 8884 | args: JA, args: *this, args: ResponseFileSupport::None(), |
| 8885 | args: TCArgs.MakeArgString(Str: getToolChain().GetProgramPath(Name: getShortName())), |
| 8886 | args&: CmdArgs, args: std::nullopt, args: Output)); |
| 8887 | } |
| 8888 | |
| 8889 | void OffloadBundler::ConstructJobMultipleOutputs( |
| 8890 | Compilation &C, const JobAction &JA, const InputInfoList &Outputs, |
| 8891 | const InputInfoList &Inputs, const llvm::opt::ArgList &TCArgs, |
| 8892 | const char *LinkingOutput) const { |
| 8893 | // The version with multiple outputs is expected to refer to a unbundling job. |
| 8894 | auto &UA = cast<OffloadUnbundlingJobAction>(Val: JA); |
| 8895 | |
| 8896 | // The unbundling command looks like this: |
| 8897 | // clang-offload-bundler -type=bc |
| 8898 | // -targets=host-triple,openmp-triple1,openmp-triple2 |
| 8899 | // -input=input_file |
| 8900 | // -output=unbundle_file_host |
| 8901 | // -output=unbundle_file_tgt1 |
| 8902 | // -output=unbundle_file_tgt2 |
| 8903 | // -unbundle |
| 8904 | |
| 8905 | ArgStringList CmdArgs; |
| 8906 | |
| 8907 | assert(Inputs.size() == 1 && "Expecting to unbundle a single file!"); |
| 8908 | InputInfo Input = Inputs.front(); |
| 8909 | |
| 8910 | // Get the type. |
| 8911 | CmdArgs.push_back(Elt: TCArgs.MakeArgString( |
| 8912 | Str: Twine("-type=") + types::getTypeTempSuffix(Id: Input.getType()))); |
| 8913 | |
| 8914 | // Get the targets. |
| 8915 | SmallString<128> Triples; |
| 8916 | Triples += "-targets="; |
| 8917 | auto DepInfo = UA.getDependentActionsInfo(); |
| 8918 | for (unsigned I = 0; I < DepInfo.size(); ++I) { |
| 8919 | if (I) |
| 8920 | Triples += ','; |
| 8921 | |
| 8922 | auto &Dep = DepInfo[I]; |
| 8923 | Triples += Action::GetOffloadKindName(Kind: Dep.DependentOffloadKind); |
| 8924 | Triples += '-'; |
| 8925 | Triples += Dep.DependentToolChain->getTriple().normalize(); |
| 8926 | if ((Dep.DependentOffloadKind == Action::OFK_HIP || |
| 8927 | Dep.DependentOffloadKind == Action::OFK_Cuda) && |
| 8928 | !Dep.DependentBoundArch.empty()) { |
| 8929 | Triples += '-'; |
| 8930 | Triples += Dep.DependentBoundArch; |
| 8931 | } |
| 8932 | // TODO: Replace parsing of -march flag. Can be done by storing GPUArch |
| 8933 | // with each toolchain. |
| 8934 | StringRef GPUArchName; |
| 8935 | if (Dep.DependentOffloadKind == Action::OFK_OpenMP) { |
| 8936 | // Extract GPUArch from -march argument in TC argument list. |
| 8937 | for (unsigned ArgIndex = 0; ArgIndex < TCArgs.size(); ArgIndex++) { |
| 8938 | StringRef ArchStr = StringRef(TCArgs.getArgString(Index: ArgIndex)); |
| 8939 | auto Arch = ArchStr.starts_with_insensitive(Prefix: "-march="); |
| 8940 | if (Arch) { |
| 8941 | GPUArchName = ArchStr.substr(Start: 7); |
| 8942 | Triples += "-"; |
| 8943 | break; |
| 8944 | } |
| 8945 | } |
| 8946 | Triples += GPUArchName.str(); |
| 8947 | } |
| 8948 | } |
| 8949 | |
| 8950 | CmdArgs.push_back(Elt: TCArgs.MakeArgString(Str: Triples)); |
| 8951 | |
| 8952 | // Get bundled file command. |
| 8953 | CmdArgs.push_back( |
| 8954 | Elt: TCArgs.MakeArgString(Str: Twine("-input=") + Input.getFilename())); |
| 8955 | |
| 8956 | // Get unbundled files command. |
| 8957 | for (unsigned I = 0; I < Outputs.size(); ++I) { |
| 8958 | SmallString<128> UB; |
| 8959 | UB += "-output="; |
| 8960 | UB += DepInfo[I].DependentToolChain->getInputFilename(Input: Outputs[I]); |
| 8961 | CmdArgs.push_back(Elt: TCArgs.MakeArgString(Str: UB)); |
| 8962 | } |
| 8963 | CmdArgs.push_back(Elt: "-unbundle"); |
| 8964 | CmdArgs.push_back(Elt: "-allow-missing-bundles"); |
| 8965 | if (TCArgs.hasArg(Ids: options::OPT_v)) |
| 8966 | CmdArgs.push_back(Elt: "-verbose"); |
| 8967 | |
| 8968 | // All the inputs are encoded as commands. |
| 8969 | C.addCommand(C: std::make_unique<Command>( |
| 8970 | args: JA, args: *this, args: ResponseFileSupport::None(), |
| 8971 | args: TCArgs.MakeArgString(Str: getToolChain().GetProgramPath(Name: getShortName())), |
| 8972 | args&: CmdArgs, args: std::nullopt, args: Outputs)); |
| 8973 | } |
| 8974 | |
| 8975 | void OffloadPackager::ConstructJob(Compilation &C, const JobAction &JA, |
| 8976 | const InputInfo &Output, |
| 8977 | const InputInfoList &Inputs, |
| 8978 | const llvm::opt::ArgList &Args, |
| 8979 | const char *LinkingOutput) const { |
| 8980 | ArgStringList CmdArgs; |
| 8981 | |
| 8982 | // Add the output file name. |
| 8983 | assert(Output.isFilename() && "Invalid output."); |
| 8984 | CmdArgs.push_back(Elt: "-o"); |
| 8985 | CmdArgs.push_back(Elt: Output.getFilename()); |
| 8986 | |
| 8987 | // Create the inputs to bundle the needed metadata. |
| 8988 | for (const InputInfo &Input : Inputs) { |
| 8989 | const Action *OffloadAction = Input.getAction(); |
| 8990 | const ToolChain *TC = OffloadAction->getOffloadingToolChain(); |
| 8991 | const ArgList &TCArgs = |
| 8992 | C.getArgsForToolChain(TC, BoundArch: OffloadAction->getOffloadingArch(), |
| 8993 | DeviceOffloadKind: OffloadAction->getOffloadingDeviceKind()); |
| 8994 | StringRef File = C.getArgs().MakeArgString(Str: TC->getInputFilename(Input)); |
| 8995 | StringRef Arch = OffloadAction->getOffloadingArch() |
| 8996 | ? OffloadAction->getOffloadingArch() |
| 8997 | : TCArgs.getLastArgValue(Id: options::OPT_march_EQ); |
| 8998 | StringRef Kind = |
| 8999 | Action::GetOffloadKindName(Kind: OffloadAction->getOffloadingDeviceKind()); |
| 9000 | |
| 9001 | ArgStringList Features; |
| 9002 | SmallVector<StringRef> FeatureArgs; |
| 9003 | getTargetFeatures(D: TC->getDriver(), Triple: TC->getTriple(), Args: TCArgs, CmdArgs&: Features, |
| 9004 | ForAS: false); |
| 9005 | llvm::copy_if(Range&: Features, Out: std::back_inserter(x&: FeatureArgs), |
| 9006 | P: [](StringRef Arg) { return !Arg.starts_with(Prefix: "-target"); }); |
| 9007 | |
| 9008 | if (TC->getTriple().isAMDGPU()) { |
| 9009 | for (StringRef Feature : llvm::split(Str: Arch.split(Separator: ':').second, Separator: ':')) { |
| 9010 | FeatureArgs.emplace_back( |
| 9011 | Args: Args.MakeArgString(Str: Feature.take_back() + Feature.drop_back())); |
| 9012 | } |
| 9013 | } |
| 9014 | |
| 9015 | // TODO: We need to pass in the full target-id and handle it properly in the |
| 9016 | // linker wrapper. |
| 9017 | SmallVector<std::string> Parts{ |
| 9018 | "file="+ File.str(), |
| 9019 | "triple="+ TC->getTripleString(), |
| 9020 | "arch="+ Arch.str(), |
| 9021 | "kind="+ Kind.str(), |
| 9022 | }; |
| 9023 | |
| 9024 | if (TC->getDriver().isUsingLTO(/* IsOffload */ true) || |
| 9025 | TC->getTriple().isAMDGPU()) |
| 9026 | for (StringRef Feature : FeatureArgs) |
| 9027 | Parts.emplace_back(Args: "feature="+ Feature.str()); |
| 9028 | |
| 9029 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "--image="+ llvm::join(R&: Parts, Separator: ","))); |
| 9030 | } |
| 9031 | |
| 9032 | C.addCommand(C: std::make_unique<Command>( |
| 9033 | args: JA, args: *this, args: ResponseFileSupport::None(), |
| 9034 | args: Args.MakeArgString(Str: getToolChain().GetProgramPath(Name: getShortName())), |
| 9035 | args&: CmdArgs, args: Inputs, args: Output)); |
| 9036 | } |
| 9037 | |
| 9038 | void LinkerWrapper::ConstructJob(Compilation &C, const JobAction &JA, |
| 9039 | const InputInfo &Output, |
| 9040 | const InputInfoList &Inputs, |
| 9041 | const ArgList &Args, |
| 9042 | const char *LinkingOutput) const { |
| 9043 | const Driver &D = getToolChain().getDriver(); |
| 9044 | const llvm::Triple TheTriple = getToolChain().getTriple(); |
| 9045 | ArgStringList CmdArgs; |
| 9046 | |
| 9047 | // Pass the CUDA path to the linker wrapper tool. |
| 9048 | for (Action::OffloadKind Kind : {Action::OFK_Cuda, Action::OFK_OpenMP}) { |
| 9049 | auto TCRange = C.getOffloadToolChains(Kind); |
| 9050 | for (auto &I : llvm::make_range(x: TCRange.first, y: TCRange.second)) { |
| 9051 | const ToolChain *TC = I.second; |
| 9052 | if (TC->getTriple().isNVPTX()) { |
| 9053 | CudaInstallationDetector CudaInstallation(D, TheTriple, Args); |
| 9054 | if (CudaInstallation.isValid()) |
| 9055 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 9056 | Str: "--cuda-path="+ CudaInstallation.getInstallPath())); |
| 9057 | break; |
| 9058 | } |
| 9059 | } |
| 9060 | } |
| 9061 | |
| 9062 | // Pass in the optimization level to use for LTO. |
| 9063 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_O_Group)) { |
| 9064 | StringRef OOpt; |
| 9065 | if (A->getOption().matches(ID: options::OPT_O4) || |
| 9066 | A->getOption().matches(ID: options::OPT_Ofast)) |
| 9067 | OOpt = "3"; |
| 9068 | else if (A->getOption().matches(ID: options::OPT_O)) { |
| 9069 | OOpt = A->getValue(); |
| 9070 | if (OOpt == "g") |
| 9071 | OOpt = "1"; |
| 9072 | else if (OOpt == "s"|| OOpt == "z") |
| 9073 | OOpt = "2"; |
| 9074 | } else if (A->getOption().matches(ID: options::OPT_O0)) |
| 9075 | OOpt = "0"; |
| 9076 | if (!OOpt.empty()) |
| 9077 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Twine("--opt-level=O") + OOpt)); |
| 9078 | } |
| 9079 | |
| 9080 | CmdArgs.push_back( |
| 9081 | Elt: Args.MakeArgString(Str: "--host-triple="+ TheTriple.getTriple())); |
| 9082 | if (Args.hasArg(Ids: options::OPT_v)) |
| 9083 | CmdArgs.push_back(Elt: "--wrapper-verbose"); |
| 9084 | |
| 9085 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_g_Group)) { |
| 9086 | if (!A->getOption().matches(ID: options::OPT_g0)) |
| 9087 | CmdArgs.push_back(Elt: "--device-debug"); |
| 9088 | } |
| 9089 | |
| 9090 | // code-object-version=X needs to be passed to clang-linker-wrapper to ensure |
| 9091 | // that it is used by lld. |
| 9092 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_mcode_object_version_EQ)) { |
| 9093 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "-mllvm")); |
| 9094 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 9095 | Str: Twine("--amdhsa-code-object-version=") + A->getValue())); |
| 9096 | } |
| 9097 | |
| 9098 | for (const auto &A : Args.getAllArgValues(Id: options::OPT_Xcuda_ptxas)) |
| 9099 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: "--ptxas-arg="+ A)); |
| 9100 | |
| 9101 | // Forward remarks passes to the LLVM backend in the wrapper. |
| 9102 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_Rpass_EQ)) |
| 9103 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Twine("--offload-opt=-pass-remarks=") + |
| 9104 | A->getValue())); |
| 9105 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_Rpass_missed_EQ)) |
| 9106 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 9107 | Str: Twine("--offload-opt=-pass-remarks-missed=") + A->getValue())); |
| 9108 | if (const Arg *A = Args.getLastArg(Ids: options::OPT_Rpass_analysis_EQ)) |
| 9109 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 9110 | Str: Twine("--offload-opt=-pass-remarks-analysis=") + A->getValue())); |
| 9111 | if (Args.getLastArg(Ids: options::OPT_save_temps_EQ)) |
| 9112 | CmdArgs.push_back(Elt: "--save-temps"); |
| 9113 | |
| 9114 | // Construct the link job so we can wrap around it. |
| 9115 | Linker->ConstructJob(C, JA, Output, Inputs, TCArgs: Args, LinkingOutput); |
| 9116 | const auto &LinkCommand = C.getJobs().getJobs().back(); |
| 9117 | |
| 9118 | // Forward -Xoffload-linker<-triple> arguments to the device link job. |
| 9119 | for (Arg *A : Args.filtered(Ids: options::OPT_Xoffload_linker)) { |
| 9120 | StringRef Val = A->getValue(N: 0); |
| 9121 | if (Val.empty()) |
| 9122 | CmdArgs.push_back( |
| 9123 | Elt: Args.MakeArgString(Str: Twine("--device-linker=") + A->getValue(N: 1))); |
| 9124 | else |
| 9125 | CmdArgs.push_back(Elt: Args.MakeArgString( |
| 9126 | Str: "--device-linker="+ |
| 9127 | ToolChain::getOpenMPTriple(TripleStr: Val.drop_front()).getTriple() + "="+ |
| 9128 | A->getValue(N: 1))); |
| 9129 | } |
| 9130 | Args.ClaimAllArgs(Id0: options::OPT_Xoffload_linker); |
| 9131 | |
| 9132 | // Embed bitcode instead of an object in JIT mode. |
| 9133 | if (Args.hasFlag(Pos: options::OPT_fopenmp_target_jit, |
| 9134 | Neg: options::OPT_fno_openmp_target_jit, Default: false)) |
| 9135 | CmdArgs.push_back(Elt: "--embed-bitcode"); |
| 9136 | |
| 9137 | // Forward `-mllvm` arguments to the LLVM invocations if present. |
| 9138 | for (Arg *A : Args.filtered(Ids: options::OPT_mllvm)) { |
| 9139 | CmdArgs.push_back(Elt: "-mllvm"); |
| 9140 | CmdArgs.push_back(Elt: A->getValue()); |
| 9141 | A->claim(); |
| 9142 | } |
| 9143 | |
| 9144 | // Add the linker arguments to be forwarded by the wrapper. |
| 9145 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: Twine("--linker-path=") + |
| 9146 | LinkCommand->getExecutable())); |
| 9147 | for (const char *LinkArg : LinkCommand->getArguments()) |
| 9148 | CmdArgs.push_back(Elt: LinkArg); |
| 9149 | |
| 9150 | addOffloadCompressArgs(TCArgs: Args, CmdArgs); |
| 9151 | |
| 9152 | const char *Exec = |
| 9153 | Args.MakeArgString(Str: getToolChain().GetProgramPath(Name: "clang-linker-wrapper")); |
| 9154 | |
| 9155 | // Replace the executable and arguments of the link job with the |
| 9156 | // wrapper. |
| 9157 | LinkCommand->replaceExecutable(Exe: Exec); |
| 9158 | LinkCommand->replaceArguments(List: CmdArgs); |
| 9159 | } |
| 9160 |
Generated on 2024-Oct-10 from project llvm_projects revision release-19.x-64075837b
Powered by 
Code Browser 2.1
Generator usage only permitted with license.