| 1 | //===-- X86.h - Top-level interface for X86 representation ------*- 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 | // This file contains the entry points for global functions defined in the x86 |
| 10 | // target library, as used by the LLVM JIT. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #ifndef LLVM_LIB_TARGET_X86_X86_H |
| 15 | #define LLVM_LIB_TARGET_X86_X86_H |
| 16 | |
| 17 | #include "llvm/CodeGen/MachineFunctionAnalysisManager.h" |
| 18 | #include "llvm/IR/Analysis.h" |
| 19 | #include "llvm/IR/PassManager.h" |
| 20 | #include "llvm/PassInfo.h" |
| 21 | #include "llvm/Support/CodeGen.h" |
| 22 | #include "llvm/Target/TargetMachine.h" |
| 23 | |
| 24 | namespace llvm { |
| 25 | |
| 26 | class FunctionPass; |
| 27 | class InstructionSelector; |
| 28 | class PassRegistry; |
| 29 | class X86RegisterBankInfo; |
| 30 | class X86Subtarget; |
| 31 | class X86TargetMachine; |
| 32 | |
| 33 | /// This pass converts a legalized DAG into a X86-specific DAG, ready for |
| 34 | /// instruction scheduling. |
| 35 | FunctionPass *createX86ISelDag(X86TargetMachine &TM, CodeGenOptLevel OptLevel); |
| 36 | |
| 37 | /// This pass initializes a global base register for PIC on x86-32. |
| 38 | FunctionPass *createX86GlobalBaseRegPass(); |
| 39 | |
| 40 | /// This pass combines multiple accesses to local-dynamic TLS variables so that |
| 41 | /// the TLS base address for the module is only fetched once per execution path |
| 42 | /// through the function. |
| 43 | FunctionPass *createCleanupLocalDynamicTLSPass(); |
| 44 | |
| 45 | /// This function returns a pass which converts floating-point register |
| 46 | /// references and pseudo instructions into floating-point stack references and |
| 47 | /// physical instructions. |
| 48 | class X86FPStackifierPass : public PassInfoMixin<X86FPStackifierPass> { |
| 49 | public: |
| 50 | PreservedAnalyses run(MachineFunction &MF, |
| 51 | MachineFunctionAnalysisManager &MFAM); |
| 52 | }; |
| 53 | |
| 54 | FunctionPass *createX86FPStackifierLegacyPass(); |
| 55 | |
| 56 | /// This pass inserts AVX vzeroupper instructions before each call to avoid |
| 57 | /// transition penalty between functions encoded with AVX and SSE. |
| 58 | FunctionPass *createX86IssueVZeroUpperPass(); |
| 59 | |
| 60 | /// This pass inserts ENDBR instructions before indirect jump/call |
| 61 | /// destinations as part of CET IBT mechanism. |
| 62 | FunctionPass *createX86IndirectBranchTrackingPass(); |
| 63 | |
| 64 | /// Return a pass that pads short functions with NOOPs. |
| 65 | /// This will prevent a stall when returning on the Atom. |
| 66 | FunctionPass *createX86PadShortFunctions(); |
| 67 | |
| 68 | /// Return a pass that selectively replaces certain instructions (like add, |
| 69 | /// sub, inc, dec, some shifts, and some multiplies) by equivalent LEA |
| 70 | /// instructions, in order to eliminate execution delays in some processors. |
| 71 | class X86FixupLEAsPass : public PassInfoMixin<X86FixupLEAsPass> { |
| 72 | public: |
| 73 | PreservedAnalyses run(MachineFunction &MF, |
| 74 | MachineFunctionAnalysisManager &MFAM); |
| 75 | }; |
| 76 | |
| 77 | FunctionPass *createX86FixupLEAsLegacyPass(); |
| 78 | |
| 79 | /// Return a pass that replaces equivalent slower instructions with faster |
| 80 | /// ones. |
| 81 | class X86FixupInstTuningPass : public PassInfoMixin<X86FixupInstTuningPass> { |
| 82 | public: |
| 83 | PreservedAnalyses run(MachineFunction &MF, |
| 84 | MachineFunctionAnalysisManager &MFAM); |
| 85 | }; |
| 86 | |
| 87 | FunctionPass *createX86FixupInstTuningLegacyPass(); |
| 88 | |
| 89 | /// Return a pass that reduces the size of vector constant pool loads. |
| 90 | class X86FixupVectorConstantsPass |
| 91 | : public PassInfoMixin<X86FixupInstTuningPass> { |
| 92 | public: |
| 93 | PreservedAnalyses run(MachineFunction &MF, |
| 94 | MachineFunctionAnalysisManager &MFAM); |
| 95 | }; |
| 96 | |
| 97 | FunctionPass *createX86FixupVectorConstantsLegacyPass(); |
| 98 | |
| 99 | /// Return a pass that removes redundant LEA instructions and redundant address |
| 100 | /// recalculations. |
| 101 | class X86OptimizeLEAsPass : public PassInfoMixin<X86OptimizeLEAsPass> { |
| 102 | public: |
| 103 | PreservedAnalyses run(MachineFunction &MF, |
| 104 | MachineFunctionAnalysisManager &MFAM); |
| 105 | }; |
| 106 | |
| 107 | FunctionPass *createX86OptimizeLEAsLegacyPass(); |
| 108 | |
| 109 | /// Return a pass that transforms setcc + movzx pairs into xor + setcc. |
| 110 | class X86FixupSetCCPass : public PassInfoMixin<X86FixupSetCCPass> { |
| 111 | public: |
| 112 | PreservedAnalyses run(MachineFunction &MF, |
| 113 | MachineFunctionAnalysisManager &MFAM); |
| 114 | }; |
| 115 | |
| 116 | FunctionPass *createX86FixupSetCCLegacyPass(); |
| 117 | |
| 118 | /// Return a pass that avoids creating store forward block issues in the |
| 119 | /// hardware. |
| 120 | class X86AvoidStoreForwardingBlocksPass |
| 121 | : public PassInfoMixin<X86AvoidStoreForwardingBlocksPass> { |
| 122 | public: |
| 123 | PreservedAnalyses run(MachineFunction &MF, |
| 124 | MachineFunctionAnalysisManager &MFAM); |
| 125 | }; |
| 126 | |
| 127 | FunctionPass *createX86AvoidStoreForwardingBlocksLegacyPass(); |
| 128 | |
| 129 | /// Return a pass that lowers EFLAGS copy pseudo instructions. |
| 130 | class X86FlagsCopyLoweringPass |
| 131 | : public PassInfoMixin<X86FlagsCopyLoweringPass> { |
| 132 | public: |
| 133 | PreservedAnalyses run(MachineFunction &MF, |
| 134 | MachineFunctionAnalysisManager &MFAM); |
| 135 | }; |
| 136 | |
| 137 | FunctionPass *createX86FlagsCopyLoweringLegacyPass(); |
| 138 | |
| 139 | /// Return a pass that expands DynAlloca pseudo-instructions. |
| 140 | class X86DynAllocaExpanderPass |
| 141 | : public PassInfoMixin<X86DynAllocaExpanderPass> { |
| 142 | public: |
| 143 | PreservedAnalyses run(MachineFunction &MF, |
| 144 | MachineFunctionAnalysisManager &MFAM); |
| 145 | }; |
| 146 | |
| 147 | FunctionPass *createX86DynAllocaExpanderLegacyPass(); |
| 148 | |
| 149 | /// Return a pass that config the tile registers. |
| 150 | class X86TileConfigPass : public PassInfoMixin<X86TileConfigPass> { |
| 151 | public: |
| 152 | PreservedAnalyses run(MachineFunction &MF, |
| 153 | MachineFunctionAnalysisManager &MFAM); |
| 154 | }; |
| 155 | |
| 156 | FunctionPass *createX86TileConfigLegacyPass(); |
| 157 | |
| 158 | /// Return a pass that preconfig the tile registers before fast reg allocation. |
| 159 | class X86FastPreTileConfigPass |
| 160 | : public PassInfoMixin<X86FastPreTileConfigPass> { |
| 161 | public: |
| 162 | PreservedAnalyses run(MachineFunction &MF, |
| 163 | MachineFunctionAnalysisManager &MFAM); |
| 164 | }; |
| 165 | |
| 166 | FunctionPass *createX86FastPreTileConfigLegacyPass(); |
| 167 | |
| 168 | /// Return a pass that config the tile registers after fast reg allocation. |
| 169 | class X86FastTileConfigPass : public PassInfoMixin<X86FastTileConfigPass> { |
| 170 | public: |
| 171 | PreservedAnalyses run(MachineFunction &MF, |
| 172 | MachineFunctionAnalysisManager &MFAM); |
| 173 | }; |
| 174 | |
| 175 | FunctionPass *createX86FastTileConfigLegacyPass(); |
| 176 | |
| 177 | /// Return a pass that insert pseudo tile config instruction. |
| 178 | class X86PreTileConfigPass : public PassInfoMixin<X86PreTileConfigPass> { |
| 179 | public: |
| 180 | PreservedAnalyses run(MachineFunction &MF, |
| 181 | MachineFunctionAnalysisManager &MFAM); |
| 182 | }; |
| 183 | |
| 184 | FunctionPass *createX86PreTileConfigLegacyPass(); |
| 185 | |
| 186 | /// Return a pass that lower the tile copy instruction. |
| 187 | class X86LowerTileCopyPass : public PassInfoMixin<X86LowerTileCopyPass> { |
| 188 | public: |
| 189 | PreservedAnalyses run(MachineFunction &MF, |
| 190 | MachineFunctionAnalysisManager &MFAM); |
| 191 | }; |
| 192 | |
| 193 | FunctionPass *createX86LowerTileCopyLegacyPass(); |
| 194 | |
| 195 | /// Return a pass that inserts int3 at the end of the function if it ends with a |
| 196 | /// CALL instruction. The pass does the same for each funclet as well. This |
| 197 | /// ensures that the open interval of function start and end PCs contains all |
| 198 | /// return addresses for the benefit of the Windows x64 unwinder. |
| 199 | class X86AvoidTrailingCallPass |
| 200 | : public PassInfoMixin<X86AvoidTrailingCallPass> { |
| 201 | public: |
| 202 | PreservedAnalyses run(MachineFunction &MF, |
| 203 | MachineFunctionAnalysisManager &MFAM); |
| 204 | static bool isRequired() { return true; } |
| 205 | }; |
| 206 | |
| 207 | FunctionPass *createX86AvoidTrailingCallLegacyPass(); |
| 208 | |
| 209 | /// Return a pass that optimizes the code-size of x86 call sequences. This is |
| 210 | /// done by replacing esp-relative movs with pushes. |
| 211 | class X86CallFrameOptimizationPass |
| 212 | : public PassInfoMixin<X86CallFrameOptimizationPass> { |
| 213 | public: |
| 214 | PreservedAnalyses run(MachineFunction &MF, |
| 215 | MachineFunctionAnalysisManager &MFAM); |
| 216 | }; |
| 217 | |
| 218 | FunctionPass *createX86CallFrameOptimizationLegacyPass(); |
| 219 | |
| 220 | /// Return an IR pass that inserts EH registration stack objects and explicit |
| 221 | /// EH state updates. This pass must run after EH preparation, which does |
| 222 | /// Windows-specific but architecture-neutral preparation. |
| 223 | FunctionPass *createX86WinEHStatePass(); |
| 224 | |
| 225 | /// Return a Machine IR pass that expands X86-specific pseudo |
| 226 | /// instructions into a sequence of actual instructions. This pass |
| 227 | /// must run after prologue/epilogue insertion and before lowering |
| 228 | /// the MachineInstr to MC. |
| 229 | class X86ExpandPseudoPass : public PassInfoMixin<X86ExpandPseudoPass> { |
| 230 | public: |
| 231 | PreservedAnalyses run(MachineFunction &MF, |
| 232 | MachineFunctionAnalysisManager &MFAM); |
| 233 | }; |
| 234 | |
| 235 | FunctionPass *createX86ExpandPseudoLegacyPass(); |
| 236 | |
| 237 | /// This pass converts X86 cmov instructions into branch when profitable. |
| 238 | class X86CmovConversionPass : public PassInfoMixin<X86CmovConversionPass> { |
| 239 | public: |
| 240 | PreservedAnalyses run(MachineFunction &MF, |
| 241 | MachineFunctionAnalysisManager &MFAM); |
| 242 | }; |
| 243 | |
| 244 | FunctionPass *createX86CmovConversionLegacyPass(); |
| 245 | |
| 246 | /// Return a Machine IR pass that selectively replaces |
| 247 | /// certain byte and word instructions by equivalent 32 bit instructions, |
| 248 | /// in order to eliminate partial register usage, false dependences on |
| 249 | /// the upper portions of registers, and to save code size. |
| 250 | class X86FixupBWInstsPass : public PassInfoMixin<X86FixupBWInstsPass> { |
| 251 | public: |
| 252 | PreservedAnalyses run(MachineFunction &MF, |
| 253 | MachineFunctionAnalysisManager &MFAM); |
| 254 | }; |
| 255 | |
| 256 | FunctionPass *createX86FixupBWInstsLegacyPass(); |
| 257 | |
| 258 | /// Return a Machine IR pass that reassigns instruction chains from one domain |
| 259 | /// to another, when profitable. |
| 260 | class X86DomainReassignmentPass |
| 261 | : public PassInfoMixin<X86DomainReassignmentPass> { |
| 262 | public: |
| 263 | PreservedAnalyses run(MachineFunction &MF, |
| 264 | MachineFunctionAnalysisManager &MFAM); |
| 265 | }; |
| 266 | |
| 267 | FunctionPass *createX86DomainReassignmentLegacyPass(); |
| 268 | |
| 269 | /// This pass compress instructions from EVEX space to legacy/VEX/EVEX space when |
| 270 | /// possible in order to reduce code size or facilitate HW decoding. |
| 271 | class X86CompressEVEXPass : public PassInfoMixin<X86CompressEVEXPass> { |
| 272 | public: |
| 273 | PreservedAnalyses run(MachineFunction &MF, |
| 274 | MachineFunctionAnalysisManager &MFAM); |
| 275 | }; |
| 276 | |
| 277 | FunctionPass *createX86CompressEVEXLegacyPass(); |
| 278 | |
| 279 | /// This pass creates the thunks for the retpoline feature. |
| 280 | FunctionPass *createX86IndirectThunksPass(); |
| 281 | |
| 282 | /// This pass replaces ret instructions with jmp's to __x86_return thunk. |
| 283 | class X86ReturnThunksPass : public PassInfoMixin<X86ReturnThunksPass> { |
| 284 | public: |
| 285 | PreservedAnalyses run(MachineFunction &MF, |
| 286 | MachineFunctionAnalysisManager &MFAM); |
| 287 | }; |
| 288 | |
| 289 | FunctionPass *createX86ReturnThunksLegacyPass(); |
| 290 | |
| 291 | /// This pass insert wait instruction after X87 instructions which could raise |
| 292 | /// fp exceptions when strict-fp enabled. |
| 293 | FunctionPass *createX86InsertX87waitPass(); |
| 294 | |
| 295 | /// This pass optimizes arithmetic based on knowledge that is only used by |
| 296 | /// a reduction sequence and is therefore safe to reassociate in interesting |
| 297 | /// ways. |
| 298 | class X86PartialReductionPass : public PassInfoMixin<X86PartialReductionPass> { |
| 299 | private: |
| 300 | const X86TargetMachine *TM; |
| 301 | |
| 302 | public: |
| 303 | X86PartialReductionPass(const X86TargetMachine *TM) : TM(TM) {} |
| 304 | PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM); |
| 305 | }; |
| 306 | |
| 307 | FunctionPass *createX86PartialReductionLegacyPass(); |
| 308 | |
| 309 | /// // Analyzes and emits pseudos to support Win x64 Unwind V2. |
| 310 | class X86WinEHUnwindV2Pass : public PassInfoMixin<X86WinEHUnwindV2Pass> { |
| 311 | public: |
| 312 | X86WinEHUnwindV2Pass() = default; |
| 313 | PreservedAnalyses run(MachineFunction &MF, |
| 314 | MachineFunctionAnalysisManager &MFAM); |
| 315 | }; |
| 316 | |
| 317 | FunctionPass *createX86WinEHUnwindV2LegacyPass(); |
| 318 | |
| 319 | /// The pass transforms load/store <256 x i32> to AMX load/store intrinsics |
| 320 | /// or split the data to two <128 x i32>. |
| 321 | class X86LowerAMXTypePass : public PassInfoMixin<X86LowerAMXTypePass> { |
| 322 | private: |
| 323 | const TargetMachine *TM; |
| 324 | |
| 325 | public: |
| 326 | X86LowerAMXTypePass(const TargetMachine *TM) : TM(TM) {} |
| 327 | PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM); |
| 328 | static bool isRequired() { return true; } |
| 329 | }; |
| 330 | |
| 331 | FunctionPass *createX86LowerAMXTypeLegacyPass(); |
| 332 | |
| 333 | // Suppresses APX features for relocations for supporting older linkers. |
| 334 | class X86SuppressAPXForRelocationPass |
| 335 | : public PassInfoMixin<X86SuppressAPXForRelocationPass> { |
| 336 | public: |
| 337 | PreservedAnalyses run(MachineFunction &MF, |
| 338 | MachineFunctionAnalysisManager &MFAM); |
| 339 | }; |
| 340 | |
| 341 | FunctionPass *createX86SuppressAPXForRelocationLegacyPass(); |
| 342 | |
| 343 | /// The pass transforms amx intrinsics to scalar operation if the function has |
| 344 | /// optnone attribute or it is O0. |
| 345 | class X86LowerAMXIntrinsicsPass |
| 346 | : public PassInfoMixin<X86LowerAMXIntrinsicsPass> { |
| 347 | private: |
| 348 | const TargetMachine *TM; |
| 349 | |
| 350 | public: |
| 351 | X86LowerAMXIntrinsicsPass(const TargetMachine *TM) : TM(TM) {} |
| 352 | PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM); |
| 353 | static bool isRequired() { return true; } |
| 354 | }; |
| 355 | |
| 356 | FunctionPass *createX86LowerAMXIntrinsicsLegacyPass(); |
| 357 | |
| 358 | InstructionSelector *createX86InstructionSelector(const X86TargetMachine &TM, |
| 359 | const X86Subtarget &, |
| 360 | const X86RegisterBankInfo &); |
| 361 | |
| 362 | FunctionPass *createX86PostLegalizerCombiner(); |
| 363 | FunctionPass *createX86PreLegalizerCombiner(); |
| 364 | FunctionPass *createX86LoadValueInjectionLoadHardeningPass(); |
| 365 | |
| 366 | class X86LoadValueInjectionRetHardeningPass |
| 367 | : public PassInfoMixin<X86LoadValueInjectionRetHardeningPass> { |
| 368 | public: |
| 369 | PreservedAnalyses run(MachineFunction &MF, |
| 370 | MachineFunctionAnalysisManager &MFAM); |
| 371 | }; |
| 372 | |
| 373 | FunctionPass *createX86LoadValueInjectionRetHardeningLegacyPass(); |
| 374 | |
| 375 | class X86SpeculativeExecutionSideEffectSuppressionPass |
| 376 | : public PassInfoMixin<X86SpeculativeExecutionSideEffectSuppressionPass> { |
| 377 | public: |
| 378 | PreservedAnalyses run(MachineFunction &MF, |
| 379 | MachineFunctionAnalysisManager &MFAM); |
| 380 | }; |
| 381 | |
| 382 | FunctionPass *createX86SpeculativeExecutionSideEffectSuppressionLegacyPass(); |
| 383 | |
| 384 | class X86SpeculativeLoadHardeningPass |
| 385 | : public PassInfoMixin<X86SpeculativeLoadHardeningPass> { |
| 386 | public: |
| 387 | PreservedAnalyses run(MachineFunction &MF, |
| 388 | MachineFunctionAnalysisManager &MFAM); |
| 389 | }; |
| 390 | |
| 391 | FunctionPass *createX86SpeculativeLoadHardeningLegacyPass(); |
| 392 | |
| 393 | class X86ArgumentStackSlotPass |
| 394 | : public PassInfoMixin<X86ArgumentStackSlotPass> { |
| 395 | public: |
| 396 | PreservedAnalyses run(MachineFunction &MF, |
| 397 | MachineFunctionAnalysisManager &MFAM); |
| 398 | }; |
| 399 | |
| 400 | FunctionPass *createX86ArgumentStackSlotLegacyPass(); |
| 401 | |
| 402 | void initializeCompressEVEXLegacyPass(PassRegistry &); |
| 403 | void initializeX86FixupBWInstLegacyPass(PassRegistry &); |
| 404 | void initializeFixupLEAsLegacyPass(PassRegistry &); |
| 405 | void initializeX86ArgumentStackSlotLegacyPass(PassRegistry &); |
| 406 | void initializeX86AsmPrinterPass(PassRegistry &); |
| 407 | void initializeX86FixupInstTuningLegacyPass(PassRegistry &); |
| 408 | void initializeX86FixupVectorConstantsLegacyPass(PassRegistry &); |
| 409 | void initializeWinEHStatePassPass(PassRegistry &); |
| 410 | void initializeX86AvoidSFBLegacyPass(PassRegistry &); |
| 411 | void initializeX86AvoidTrailingCallLegacyPassPass(PassRegistry &); |
| 412 | void initializeX86CallFrameOptimizationLegacyPass(PassRegistry &); |
| 413 | void initializeX86CmovConversionLegacyPass(PassRegistry &); |
| 414 | void initializeX86DAGToDAGISelLegacyPass(PassRegistry &); |
| 415 | void initializeX86DomainReassignmentLegacyPass(PassRegistry &); |
| 416 | void initializeX86DynAllocaExpanderLegacyPass(PassRegistry &); |
| 417 | void initializeX86ExecutionDomainFixPass(PassRegistry &); |
| 418 | void initializeX86ExpandPseudoLegacyPass(PassRegistry &); |
| 419 | void initializeX86FPStackifierLegacyPass(PassRegistry &); |
| 420 | void initializeX86FastPreTileConfigLegacyPass(PassRegistry &); |
| 421 | void initializeX86FastTileConfigLegacyPass(PassRegistry &); |
| 422 | void initializeX86FixupSetCCLegacyPass(PassRegistry &); |
| 423 | void initializeX86FlagsCopyLoweringLegacyPass(PassRegistry &); |
| 424 | void initializeX86LoadValueInjectionLoadHardeningPassPass(PassRegistry &); |
| 425 | void initializeX86LoadValueInjectionRetHardeningLegacyPass(PassRegistry &); |
| 426 | void initializeX86LowerAMXIntrinsicsLegacyPassPass(PassRegistry &); |
| 427 | void initializeX86LowerAMXTypeLegacyPassPass(PassRegistry &); |
| 428 | void initializeX86LowerTileCopyLegacyPass(PassRegistry &); |
| 429 | void initializeX86OptimizeLEAsLegacyPass(PassRegistry &); |
| 430 | void initializeX86PartialReductionLegacyPass(PassRegistry &); |
| 431 | void initializeX86PreTileConfigLegacyPass(PassRegistry &); |
| 432 | void initializeX86ReturnThunksLegacyPass(PassRegistry &); |
| 433 | void initializeX86SpeculativeExecutionSideEffectSuppressionLegacyPass( |
| 434 | PassRegistry &); |
| 435 | void initializeX86SpeculativeLoadHardeningLegacyPass(PassRegistry &); |
| 436 | void initializeX86SuppressAPXForRelocationLegacyPass(PassRegistry &); |
| 437 | void initializeX86TileConfigLegacyPass(PassRegistry &); |
| 438 | void initializeX86WinEHUnwindV2LegacyPass(PassRegistry &); |
| 439 | void initializeX86PreLegalizerCombinerPass(PassRegistry &); |
| 440 | void initializeX86PostLegalizerCombinerPass(PassRegistry &); |
| 441 | |
| 442 | namespace X86AS { |
| 443 | enum : unsigned { |
| 444 | GS = 256, |
| 445 | FS = 257, |
| 446 | SS = 258, |
| 447 | PTR32_SPTR = 270, |
| 448 | PTR32_UPTR = 271, |
| 449 | PTR64 = 272 |
| 450 | }; |
| 451 | } // End X86AS namespace |
| 452 | |
| 453 | } // End llvm namespace |
| 454 | |
| 455 | #endif |
| 456 | |