1//==- WebAssemblyMCTargetDesc.h - WebAssembly Target Descriptions -*- 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/// \file
10/// This file provides WebAssembly-specific target descriptions.
11///
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCTARGETDESC_H
15#define LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCTARGETDESC_H
16
17#include "llvm/BinaryFormat/Wasm.h"
18#include "llvm/MC/MCContext.h"
19#include "llvm/MC/MCInstrDesc.h"
20#include "llvm/Support/CommandLine.h"
21#include "llvm/Support/DataTypes.h"
22#include <memory>
23
24namespace llvm {
25
26class MCAsmBackend;
27class MCCodeEmitter;
28class MCInstrInfo;
29class MCObjectTargetWriter;
30class Triple;
31
32MCCodeEmitter *createWebAssemblyMCCodeEmitter(const MCInstrInfo &MCII,
33 MCContext &Ctx);
34
35MCAsmBackend *createWebAssemblyAsmBackend(const Triple &TT);
36
37std::unique_ptr<MCObjectTargetWriter>
38createWebAssemblyWasmObjectWriter(bool Is64Bit, bool IsEmscripten);
39
40namespace WebAssembly {
41
42enum OperandType {
43 /// Basic block label in a branch construct.
44 OPERAND_BASIC_BLOCK = MCOI::OPERAND_FIRST_TARGET,
45 /// Local index.
46 OPERAND_LOCAL,
47 /// Global index.
48 OPERAND_GLOBAL,
49 /// 32-bit integer immediates.
50 OPERAND_I32IMM,
51 /// 64-bit integer immediates.
52 OPERAND_I64IMM,
53 /// 32-bit floating-point immediates.
54 OPERAND_F32IMM,
55 /// 64-bit floating-point immediates.
56 OPERAND_F64IMM,
57 /// 8-bit vector lane immediate
58 OPERAND_VEC_I8IMM,
59 /// 16-bit vector lane immediate
60 OPERAND_VEC_I16IMM,
61 /// 32-bit vector lane immediate
62 OPERAND_VEC_I32IMM,
63 /// 64-bit vector lane immediate
64 OPERAND_VEC_I64IMM,
65 /// 32-bit unsigned function indices.
66 OPERAND_FUNCTION32,
67 /// 32-bit unsigned memory offsets.
68 OPERAND_OFFSET32,
69 /// 64-bit unsigned memory offsets.
70 OPERAND_OFFSET64,
71 /// p2align immediate for load and store address alignment.
72 OPERAND_P2ALIGN,
73 /// signature immediate for block/loop.
74 OPERAND_SIGNATURE,
75 /// type signature immediate for call_indirect.
76 OPERAND_TYPEINDEX,
77 /// Tag index.
78 OPERAND_TAG,
79 /// A list of branch targets for br_list.
80 OPERAND_BRLIST,
81 /// 32-bit unsigned table number.
82 OPERAND_TABLE,
83 /// A list of catch clauses for try_table.
84 OPERAND_CATCH_LIST,
85 /// Memory ordering immediate for atomic instructions.
86 OPERAND_MEMORDER,
87};
88} // end namespace WebAssembly
89
90namespace WebAssemblyII {
91
92/// Target Operand Flag enum.
93enum TOF {
94 MO_NO_FLAG = 0,
95
96 // On a symbol operand this indicates that the immediate is a wasm global
97 // index. The value of the wasm global will be set to the symbol address at
98 // runtime. This adds a level of indirection similar to the GOT on native
99 // platforms.
100 MO_GOT,
101
102 // Same as MO_GOT but the address stored in the global is a TLS address.
103 MO_GOT_TLS,
104
105 // On a symbol operand this indicates that the immediate is the symbol
106 // address relative the __memory_base wasm global.
107 // Only applicable to data symbols.
108 MO_MEMORY_BASE_REL,
109
110 // On a symbol operand this indicates that the immediate is the symbol
111 // address relative the __tls_base wasm global.
112 // Only applicable to data symbols.
113 MO_TLS_BASE_REL,
114
115 // On a symbol operand this indicates that the immediate is the symbol
116 // address relative the __table_base wasm global.
117 // Only applicable to function symbols.
118 MO_TABLE_BASE_REL,
119
120 // On a block signature operand this indicates that this is a destination
121 // block of a (catch_ref) clause in try_table.
122 MO_CATCH_BLOCK_SIG,
123};
124
125} // end namespace WebAssemblyII
126
127} // end namespace llvm
128
129// Defines symbolic names for WebAssembly registers. This defines a mapping from
130// register name to register number.
131//
132#define GET_REGINFO_ENUM
133#include "WebAssemblyGenRegisterInfo.inc"
134
135// Defines symbolic names for the WebAssembly instructions.
136//
137#define GET_INSTRINFO_ENUM
138#define GET_INSTRINFO_MC_HELPER_DECLS
139#include "WebAssemblyGenInstrInfo.inc"
140
141namespace llvm {
142namespace WebAssembly {
143
144/// Instruction opcodes emitted via means other than CodeGen.
145static const unsigned Nop = 0x01;
146static const unsigned End = 0x0b;
147
148/// Return the default p2align value for a load or store with the given opcode.
149inline unsigned GetDefaultP2AlignAny(unsigned Opc) {
150 switch (Opc) {
151#define WASM_LOAD_STORE(NAME) \
152 case WebAssembly::NAME##_A32: \
153 case WebAssembly::NAME##_A64: \
154 case WebAssembly::NAME##_A32_S: \
155 case WebAssembly::NAME##_A64_S:
156 WASM_LOAD_STORE(LOAD8_S_I32)
157 WASM_LOAD_STORE(LOAD8_U_I32)
158 WASM_LOAD_STORE(LOAD8_S_I64)
159 WASM_LOAD_STORE(LOAD8_U_I64)
160 WASM_LOAD_STORE(ATOMIC_LOAD8_U_I32)
161 WASM_LOAD_STORE(ATOMIC_LOAD8_U_I64)
162 WASM_LOAD_STORE(STORE8_I32)
163 WASM_LOAD_STORE(STORE8_I64)
164 WASM_LOAD_STORE(ATOMIC_STORE8_I32)
165 WASM_LOAD_STORE(ATOMIC_STORE8_I64)
166 WASM_LOAD_STORE(ATOMIC_RMW8_U_ADD_I32)
167 WASM_LOAD_STORE(ATOMIC_RMW8_U_ADD_I64)
168 WASM_LOAD_STORE(ATOMIC_RMW8_U_SUB_I32)
169 WASM_LOAD_STORE(ATOMIC_RMW8_U_SUB_I64)
170 WASM_LOAD_STORE(ATOMIC_RMW8_U_AND_I32)
171 WASM_LOAD_STORE(ATOMIC_RMW8_U_AND_I64)
172 WASM_LOAD_STORE(ATOMIC_RMW8_U_OR_I32)
173 WASM_LOAD_STORE(ATOMIC_RMW8_U_OR_I64)
174 WASM_LOAD_STORE(ATOMIC_RMW8_U_XOR_I32)
175 WASM_LOAD_STORE(ATOMIC_RMW8_U_XOR_I64)
176 WASM_LOAD_STORE(ATOMIC_RMW8_U_XCHG_I32)
177 WASM_LOAD_STORE(ATOMIC_RMW8_U_XCHG_I64)
178 WASM_LOAD_STORE(ATOMIC_RMW8_U_CMPXCHG_I32)
179 WASM_LOAD_STORE(ATOMIC_RMW8_U_CMPXCHG_I64)
180 WASM_LOAD_STORE(LOAD8_SPLAT)
181 WASM_LOAD_STORE(LOAD_LANE_8)
182 WASM_LOAD_STORE(STORE_LANE_I8x16)
183 return 0;
184 WASM_LOAD_STORE(LOAD16_S_I32)
185 WASM_LOAD_STORE(LOAD16_U_I32)
186 WASM_LOAD_STORE(LOAD16_S_I64)
187 WASM_LOAD_STORE(LOAD16_U_I64)
188 WASM_LOAD_STORE(ATOMIC_LOAD16_U_I32)
189 WASM_LOAD_STORE(ATOMIC_LOAD16_U_I64)
190 WASM_LOAD_STORE(STORE16_I32)
191 WASM_LOAD_STORE(STORE16_I64)
192 WASM_LOAD_STORE(ATOMIC_STORE16_I32)
193 WASM_LOAD_STORE(ATOMIC_STORE16_I64)
194 WASM_LOAD_STORE(ATOMIC_RMW16_U_ADD_I32)
195 WASM_LOAD_STORE(ATOMIC_RMW16_U_ADD_I64)
196 WASM_LOAD_STORE(ATOMIC_RMW16_U_SUB_I32)
197 WASM_LOAD_STORE(ATOMIC_RMW16_U_SUB_I64)
198 WASM_LOAD_STORE(ATOMIC_RMW16_U_AND_I32)
199 WASM_LOAD_STORE(ATOMIC_RMW16_U_AND_I64)
200 WASM_LOAD_STORE(ATOMIC_RMW16_U_OR_I32)
201 WASM_LOAD_STORE(ATOMIC_RMW16_U_OR_I64)
202 WASM_LOAD_STORE(ATOMIC_RMW16_U_XOR_I32)
203 WASM_LOAD_STORE(ATOMIC_RMW16_U_XOR_I64)
204 WASM_LOAD_STORE(ATOMIC_RMW16_U_XCHG_I32)
205 WASM_LOAD_STORE(ATOMIC_RMW16_U_XCHG_I64)
206 WASM_LOAD_STORE(ATOMIC_RMW16_U_CMPXCHG_I32)
207 WASM_LOAD_STORE(ATOMIC_RMW16_U_CMPXCHG_I64)
208 WASM_LOAD_STORE(LOAD16_SPLAT)
209 WASM_LOAD_STORE(LOAD_LANE_16)
210 WASM_LOAD_STORE(STORE_LANE_I16x8)
211 WASM_LOAD_STORE(LOAD_F16_F32)
212 WASM_LOAD_STORE(STORE_F16_F32)
213 return 1;
214 WASM_LOAD_STORE(LOAD_I32)
215 WASM_LOAD_STORE(LOAD_F32)
216 WASM_LOAD_STORE(STORE_I32)
217 WASM_LOAD_STORE(STORE_F32)
218 WASM_LOAD_STORE(LOAD32_S_I64)
219 WASM_LOAD_STORE(LOAD32_U_I64)
220 WASM_LOAD_STORE(STORE32_I64)
221 WASM_LOAD_STORE(ATOMIC_LOAD_I32)
222 WASM_LOAD_STORE(ATOMIC_LOAD32_U_I64)
223 WASM_LOAD_STORE(ATOMIC_STORE_I32)
224 WASM_LOAD_STORE(ATOMIC_STORE32_I64)
225 WASM_LOAD_STORE(ATOMIC_RMW_ADD_I32)
226 WASM_LOAD_STORE(ATOMIC_RMW32_U_ADD_I64)
227 WASM_LOAD_STORE(ATOMIC_RMW_SUB_I32)
228 WASM_LOAD_STORE(ATOMIC_RMW32_U_SUB_I64)
229 WASM_LOAD_STORE(ATOMIC_RMW_AND_I32)
230 WASM_LOAD_STORE(ATOMIC_RMW32_U_AND_I64)
231 WASM_LOAD_STORE(ATOMIC_RMW_OR_I32)
232 WASM_LOAD_STORE(ATOMIC_RMW32_U_OR_I64)
233 WASM_LOAD_STORE(ATOMIC_RMW_XOR_I32)
234 WASM_LOAD_STORE(ATOMIC_RMW32_U_XOR_I64)
235 WASM_LOAD_STORE(ATOMIC_RMW_XCHG_I32)
236 WASM_LOAD_STORE(ATOMIC_RMW32_U_XCHG_I64)
237 WASM_LOAD_STORE(ATOMIC_RMW_CMPXCHG_I32)
238 WASM_LOAD_STORE(ATOMIC_RMW32_U_CMPXCHG_I64)
239 WASM_LOAD_STORE(MEMORY_ATOMIC_NOTIFY)
240 WASM_LOAD_STORE(MEMORY_ATOMIC_WAIT32)
241 WASM_LOAD_STORE(LOAD32_SPLAT)
242 WASM_LOAD_STORE(LOAD_ZERO_32)
243 WASM_LOAD_STORE(LOAD_LANE_32)
244 WASM_LOAD_STORE(STORE_LANE_I32x4)
245 return 2;
246 WASM_LOAD_STORE(LOAD_I64)
247 WASM_LOAD_STORE(LOAD_F64)
248 WASM_LOAD_STORE(STORE_I64)
249 WASM_LOAD_STORE(STORE_F64)
250 WASM_LOAD_STORE(ATOMIC_LOAD_I64)
251 WASM_LOAD_STORE(ATOMIC_STORE_I64)
252 WASM_LOAD_STORE(ATOMIC_RMW_ADD_I64)
253 WASM_LOAD_STORE(ATOMIC_RMW_SUB_I64)
254 WASM_LOAD_STORE(ATOMIC_RMW_AND_I64)
255 WASM_LOAD_STORE(ATOMIC_RMW_OR_I64)
256 WASM_LOAD_STORE(ATOMIC_RMW_XOR_I64)
257 WASM_LOAD_STORE(ATOMIC_RMW_XCHG_I64)
258 WASM_LOAD_STORE(ATOMIC_RMW_CMPXCHG_I64)
259 WASM_LOAD_STORE(MEMORY_ATOMIC_WAIT64)
260 WASM_LOAD_STORE(LOAD64_SPLAT)
261 WASM_LOAD_STORE(LOAD_EXTEND_S_I16x8)
262 WASM_LOAD_STORE(LOAD_EXTEND_U_I16x8)
263 WASM_LOAD_STORE(LOAD_EXTEND_S_I32x4)
264 WASM_LOAD_STORE(LOAD_EXTEND_U_I32x4)
265 WASM_LOAD_STORE(LOAD_EXTEND_S_I64x2)
266 WASM_LOAD_STORE(LOAD_EXTEND_U_I64x2)
267 WASM_LOAD_STORE(LOAD_ZERO_64)
268 WASM_LOAD_STORE(LOAD_LANE_64)
269 WASM_LOAD_STORE(STORE_LANE_I64x2)
270 return 3;
271 WASM_LOAD_STORE(LOAD_V128)
272 WASM_LOAD_STORE(STORE_V128)
273 return 4;
274 default:
275 return -1;
276 }
277#undef WASM_LOAD_STORE
278}
279
280inline unsigned GetDefaultP2Align(unsigned Opc) {
281 auto Align = GetDefaultP2AlignAny(Opc);
282 if (Align == -1U) {
283 llvm_unreachable("Only loads and stores have p2align values");
284 }
285 return Align;
286}
287
288inline bool isConst(unsigned Opc) {
289 switch (Opc) {
290 case WebAssembly::CONST_I32:
291 case WebAssembly::CONST_I32_S:
292 case WebAssembly::CONST_I64:
293 case WebAssembly::CONST_I64_S:
294 case WebAssembly::CONST_F32:
295 case WebAssembly::CONST_F32_S:
296 case WebAssembly::CONST_F64:
297 case WebAssembly::CONST_F64_S:
298 case WebAssembly::CONST_V128_I8x16:
299 case WebAssembly::CONST_V128_I8x16_S:
300 case WebAssembly::CONST_V128_I16x8:
301 case WebAssembly::CONST_V128_I16x8_S:
302 case WebAssembly::CONST_V128_I32x4:
303 case WebAssembly::CONST_V128_I32x4_S:
304 case WebAssembly::CONST_V128_I64x2:
305 case WebAssembly::CONST_V128_I64x2_S:
306 case WebAssembly::CONST_V128_F32x4:
307 case WebAssembly::CONST_V128_F32x4_S:
308 case WebAssembly::CONST_V128_F64x2:
309 case WebAssembly::CONST_V128_F64x2_S:
310 return true;
311 default:
312 return false;
313 }
314}
315
316inline bool isScalarConst(unsigned Opc) {
317 switch (Opc) {
318 case WebAssembly::CONST_I32:
319 case WebAssembly::CONST_I32_S:
320 case WebAssembly::CONST_I64:
321 case WebAssembly::CONST_I64_S:
322 case WebAssembly::CONST_F32:
323 case WebAssembly::CONST_F32_S:
324 case WebAssembly::CONST_F64:
325 case WebAssembly::CONST_F64_S:
326 return true;
327 default:
328 return false;
329 }
330}
331
332inline bool isArgument(unsigned Opc) {
333 switch (Opc) {
334 case WebAssembly::ARGUMENT_i32:
335 case WebAssembly::ARGUMENT_i32_S:
336 case WebAssembly::ARGUMENT_i64:
337 case WebAssembly::ARGUMENT_i64_S:
338 case WebAssembly::ARGUMENT_f32:
339 case WebAssembly::ARGUMENT_f32_S:
340 case WebAssembly::ARGUMENT_f64:
341 case WebAssembly::ARGUMENT_f64_S:
342 case WebAssembly::ARGUMENT_v16i8:
343 case WebAssembly::ARGUMENT_v16i8_S:
344 case WebAssembly::ARGUMENT_v8i16:
345 case WebAssembly::ARGUMENT_v8i16_S:
346 case WebAssembly::ARGUMENT_v4i32:
347 case WebAssembly::ARGUMENT_v4i32_S:
348 case WebAssembly::ARGUMENT_v2i64:
349 case WebAssembly::ARGUMENT_v2i64_S:
350 case WebAssembly::ARGUMENT_v8f16:
351 case WebAssembly::ARGUMENT_v8f16_S:
352 case WebAssembly::ARGUMENT_v4f32:
353 case WebAssembly::ARGUMENT_v4f32_S:
354 case WebAssembly::ARGUMENT_v2f64:
355 case WebAssembly::ARGUMENT_v2f64_S:
356 case WebAssembly::ARGUMENT_funcref:
357 case WebAssembly::ARGUMENT_funcref_S:
358 case WebAssembly::ARGUMENT_externref:
359 case WebAssembly::ARGUMENT_externref_S:
360 case WebAssembly::ARGUMENT_exnref:
361 case WebAssembly::ARGUMENT_exnref_S:
362 return true;
363 default:
364 return false;
365 }
366}
367
368inline bool isCopy(unsigned Opc) {
369 switch (Opc) {
370 case WebAssembly::COPY_I32:
371 case WebAssembly::COPY_I32_S:
372 case WebAssembly::COPY_I64:
373 case WebAssembly::COPY_I64_S:
374 case WebAssembly::COPY_F32:
375 case WebAssembly::COPY_F32_S:
376 case WebAssembly::COPY_F64:
377 case WebAssembly::COPY_F64_S:
378 case WebAssembly::COPY_V128:
379 case WebAssembly::COPY_V128_S:
380 case WebAssembly::COPY_FUNCREF:
381 case WebAssembly::COPY_FUNCREF_S:
382 case WebAssembly::COPY_EXTERNREF:
383 case WebAssembly::COPY_EXTERNREF_S:
384 case WebAssembly::COPY_EXNREF:
385 case WebAssembly::COPY_EXNREF_S:
386 return true;
387 default:
388 return false;
389 }
390}
391
392inline bool isTee(unsigned Opc) {
393 switch (Opc) {
394 case WebAssembly::TEE_I32:
395 case WebAssembly::TEE_I32_S:
396 case WebAssembly::TEE_I64:
397 case WebAssembly::TEE_I64_S:
398 case WebAssembly::TEE_F32:
399 case WebAssembly::TEE_F32_S:
400 case WebAssembly::TEE_F64:
401 case WebAssembly::TEE_F64_S:
402 case WebAssembly::TEE_V128:
403 case WebAssembly::TEE_V128_S:
404 case WebAssembly::TEE_FUNCREF:
405 case WebAssembly::TEE_FUNCREF_S:
406 case WebAssembly::TEE_EXTERNREF:
407 case WebAssembly::TEE_EXTERNREF_S:
408 case WebAssembly::TEE_EXNREF:
409 case WebAssembly::TEE_EXNREF_S:
410 return true;
411 default:
412 return false;
413 }
414}
415
416inline bool isCallDirect(unsigned Opc) {
417 switch (Opc) {
418 case WebAssembly::CALL:
419 case WebAssembly::CALL_S:
420 case WebAssembly::RET_CALL:
421 case WebAssembly::RET_CALL_S:
422 return true;
423 default:
424 return false;
425 }
426}
427
428inline bool isCallIndirect(unsigned Opc) {
429 switch (Opc) {
430 case WebAssembly::CALL_INDIRECT:
431 case WebAssembly::CALL_INDIRECT_S:
432 case WebAssembly::RET_CALL_INDIRECT:
433 case WebAssembly::RET_CALL_INDIRECT_S:
434 return true;
435 default:
436 return false;
437 }
438}
439
440inline bool isBrTable(unsigned Opc) {
441 switch (Opc) {
442 case WebAssembly::BR_TABLE_I32:
443 case WebAssembly::BR_TABLE_I32_S:
444 case WebAssembly::BR_TABLE_I64:
445 case WebAssembly::BR_TABLE_I64_S:
446 return true;
447 default:
448 return false;
449 }
450}
451
452inline bool isMarker(unsigned Opc) {
453 switch (Opc) {
454 case WebAssembly::BLOCK:
455 case WebAssembly::BLOCK_S:
456 case WebAssembly::END_BLOCK:
457 case WebAssembly::END_BLOCK_S:
458 case WebAssembly::LOOP:
459 case WebAssembly::LOOP_S:
460 case WebAssembly::END_LOOP:
461 case WebAssembly::END_LOOP_S:
462 case WebAssembly::TRY:
463 case WebAssembly::TRY_S:
464 case WebAssembly::END_TRY:
465 case WebAssembly::END_TRY_S:
466 case WebAssembly::TRY_TABLE:
467 case WebAssembly::TRY_TABLE_S:
468 case WebAssembly::END_TRY_TABLE:
469 case WebAssembly::END_TRY_TABLE_S:
470 return true;
471 default:
472 return false;
473 }
474}
475
476inline bool isEndMarker(unsigned Opc) {
477 switch (Opc) {
478 case WebAssembly::END_BLOCK:
479 case WebAssembly::END_BLOCK_S:
480 case WebAssembly::END_LOOP:
481 case WebAssembly::END_LOOP_S:
482 case WebAssembly::END_TRY:
483 case WebAssembly::END_TRY_S:
484 case WebAssembly::END_TRY_TABLE:
485 case WebAssembly::END_TRY_TABLE_S:
486 return true;
487 default:
488 return false;
489 }
490}
491
492inline bool isTry(unsigned Opc) {
493 switch (Opc) {
494 case WebAssembly::TRY:
495 case WebAssembly::TRY_S:
496 case WebAssembly::TRY_TABLE:
497 case WebAssembly::TRY_TABLE_S:
498 return true;
499 default:
500 return false;
501 }
502}
503
504inline bool isCatch(unsigned Opc) {
505 switch (Opc) {
506 case WebAssembly::CATCH_LEGACY:
507 case WebAssembly::CATCH_LEGACY_S:
508 case WebAssembly::CATCH_ALL_LEGACY:
509 case WebAssembly::CATCH_ALL_LEGACY_S:
510 case WebAssembly::CATCH:
511 case WebAssembly::CATCH_S:
512 case WebAssembly::CATCH_REF:
513 case WebAssembly::CATCH_REF_S:
514 case WebAssembly::CATCH_ALL:
515 case WebAssembly::CATCH_ALL_S:
516 case WebAssembly::CATCH_ALL_REF:
517 case WebAssembly::CATCH_ALL_REF_S:
518 return true;
519 default:
520 return false;
521 }
522}
523
524inline bool isCatchAll(unsigned Opc) {
525 switch (Opc) {
526 case WebAssembly::CATCH_ALL_LEGACY:
527 case WebAssembly::CATCH_ALL_LEGACY_S:
528 case WebAssembly::CATCH_ALL:
529 case WebAssembly::CATCH_ALL_S:
530 case WebAssembly::CATCH_ALL_REF:
531 case WebAssembly::CATCH_ALL_REF_S:
532 return true;
533 default:
534 return false;
535 }
536}
537
538inline bool isLocalGet(unsigned Opc) {
539 switch (Opc) {
540 case WebAssembly::LOCAL_GET_I32:
541 case WebAssembly::LOCAL_GET_I32_S:
542 case WebAssembly::LOCAL_GET_I64:
543 case WebAssembly::LOCAL_GET_I64_S:
544 case WebAssembly::LOCAL_GET_F32:
545 case WebAssembly::LOCAL_GET_F32_S:
546 case WebAssembly::LOCAL_GET_F64:
547 case WebAssembly::LOCAL_GET_F64_S:
548 case WebAssembly::LOCAL_GET_V128:
549 case WebAssembly::LOCAL_GET_V128_S:
550 case WebAssembly::LOCAL_GET_FUNCREF:
551 case WebAssembly::LOCAL_GET_FUNCREF_S:
552 case WebAssembly::LOCAL_GET_EXTERNREF:
553 case WebAssembly::LOCAL_GET_EXTERNREF_S:
554 case WebAssembly::LOCAL_GET_EXNREF:
555 case WebAssembly::LOCAL_GET_EXNREF_S:
556 return true;
557 default:
558 return false;
559 }
560}
561
562inline bool isLocalSet(unsigned Opc) {
563 switch (Opc) {
564 case WebAssembly::LOCAL_SET_I32:
565 case WebAssembly::LOCAL_SET_I32_S:
566 case WebAssembly::LOCAL_SET_I64:
567 case WebAssembly::LOCAL_SET_I64_S:
568 case WebAssembly::LOCAL_SET_F32:
569 case WebAssembly::LOCAL_SET_F32_S:
570 case WebAssembly::LOCAL_SET_F64:
571 case WebAssembly::LOCAL_SET_F64_S:
572 case WebAssembly::LOCAL_SET_V128:
573 case WebAssembly::LOCAL_SET_V128_S:
574 case WebAssembly::LOCAL_SET_FUNCREF:
575 case WebAssembly::LOCAL_SET_FUNCREF_S:
576 case WebAssembly::LOCAL_SET_EXTERNREF:
577 case WebAssembly::LOCAL_SET_EXTERNREF_S:
578 case WebAssembly::LOCAL_SET_EXNREF:
579 case WebAssembly::LOCAL_SET_EXNREF_S:
580 return true;
581 default:
582 return false;
583 }
584}
585
586inline bool isLocalTee(unsigned Opc) {
587 switch (Opc) {
588 case WebAssembly::LOCAL_TEE_I32:
589 case WebAssembly::LOCAL_TEE_I32_S:
590 case WebAssembly::LOCAL_TEE_I64:
591 case WebAssembly::LOCAL_TEE_I64_S:
592 case WebAssembly::LOCAL_TEE_F32:
593 case WebAssembly::LOCAL_TEE_F32_S:
594 case WebAssembly::LOCAL_TEE_F64:
595 case WebAssembly::LOCAL_TEE_F64_S:
596 case WebAssembly::LOCAL_TEE_V128:
597 case WebAssembly::LOCAL_TEE_V128_S:
598 case WebAssembly::LOCAL_TEE_FUNCREF:
599 case WebAssembly::LOCAL_TEE_FUNCREF_S:
600 case WebAssembly::LOCAL_TEE_EXTERNREF:
601 case WebAssembly::LOCAL_TEE_EXTERNREF_S:
602 case WebAssembly::LOCAL_TEE_EXNREF:
603 case WebAssembly::LOCAL_TEE_EXNREF_S:
604 return true;
605 default:
606 return false;
607 }
608}
609
610static const unsigned UnusedReg = -1u;
611
612// For a given stackified WAReg, return the id number to print with push/pop.
613unsigned inline getWARegStackId(MCRegister Reg) {
614 assert(Reg.id() & INT32_MIN);
615 return Reg.id() & INT32_MAX;
616}
617
618} // end namespace WebAssembly
619} // end namespace llvm
620
621#define GET_SUBTARGETINFO_ENUM
622#include "WebAssemblyGenSubtargetInfo.inc"
623
624#endif
625