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 24 namespace llvm { 25 26 class MCAsmBackend; 27 class MCCodeEmitter; 28 class MCInstrInfo; 29 class MCObjectTargetWriter; 30 class Triple; 31 32 MCCodeEmitter *createWebAssemblyMCCodeEmitter(const MCInstrInfo &MCII, 33 MCContext &Ctx); 34 35 MCAsmBackend *createWebAssemblyAsmBackend(const Triple &TT); 36 37 std::unique_ptr<MCObjectTargetWriter> 38 createWebAssemblyWasmObjectWriter(bool Is64Bit, bool IsEmscripten); 39 40 namespace WebAssembly { 41 42 // Exception handling / setjmp-longjmp handling command-line options 43 extern cl::opt<bool> WasmEnableEmEH; // asm.js-style EH 44 extern cl::opt<bool> WasmEnableEmSjLj; // asm.js-style SjLJ 45 extern cl::opt<bool> WasmEnableEH; // EH using Wasm EH instructions 46 extern cl::opt<bool> WasmEnableSjLj; // SjLj using Wasm EH instructions 47 extern cl::opt<bool> WasmEnableExnref; // EH using new Wasm EH (exnref) 48 49 enum OperandType { 50 /// Basic block label in a branch construct. 51 OPERAND_BASIC_BLOCK = MCOI::OPERAND_FIRST_TARGET, 52 /// Local index. 53 OPERAND_LOCAL, 54 /// Global index. 55 OPERAND_GLOBAL, 56 /// 32-bit integer immediates. 57 OPERAND_I32IMM, 58 /// 64-bit integer immediates. 59 OPERAND_I64IMM, 60 /// 32-bit floating-point immediates. 61 OPERAND_F32IMM, 62 /// 64-bit floating-point immediates. 63 OPERAND_F64IMM, 64 /// 8-bit vector lane immediate 65 OPERAND_VEC_I8IMM, 66 /// 16-bit vector lane immediate 67 OPERAND_VEC_I16IMM, 68 /// 32-bit vector lane immediate 69 OPERAND_VEC_I32IMM, 70 /// 64-bit vector lane immediate 71 OPERAND_VEC_I64IMM, 72 /// 32-bit unsigned function indices. 73 OPERAND_FUNCTION32, 74 /// 32-bit unsigned memory offsets. 75 OPERAND_OFFSET32, 76 /// 64-bit unsigned memory offsets. 77 OPERAND_OFFSET64, 78 /// p2align immediate for load and store address alignment. 79 OPERAND_P2ALIGN, 80 /// signature immediate for block/loop. 81 OPERAND_SIGNATURE, 82 /// type signature immediate for call_indirect. 83 OPERAND_TYPEINDEX, 84 /// Tag index. 85 OPERAND_TAG, 86 /// A list of branch targets for br_list. 87 OPERAND_BRLIST, 88 /// 32-bit unsigned table number. 89 OPERAND_TABLE, 90 }; 91 } // end namespace WebAssembly 92 93 namespace WebAssemblyII { 94 95 /// Target Operand Flag enum. 96 enum TOF { 97 MO_NO_FLAG = 0, 98 99 // On a symbol operand this indicates that the immediate is a wasm global 100 // index. The value of the wasm global will be set to the symbol address at 101 // runtime. This adds a level of indirection similar to the GOT on native 102 // platforms. 103 MO_GOT, 104 105 // Same as MO_GOT but the address stored in the global is a TLS address. 106 MO_GOT_TLS, 107 108 // On a symbol operand this indicates that the immediate is the symbol 109 // address relative the __memory_base wasm global. 110 // Only applicable to data symbols. 111 MO_MEMORY_BASE_REL, 112 113 // On a symbol operand this indicates that the immediate is the symbol 114 // address relative the __tls_base wasm global. 115 // Only applicable to data symbols. 116 MO_TLS_BASE_REL, 117 118 // On a symbol operand this indicates that the immediate is the symbol 119 // address relative the __table_base wasm global. 120 // Only applicable to function symbols. 121 MO_TABLE_BASE_REL, 122 }; 123 124 } // end namespace WebAssemblyII 125 126 } // end namespace llvm 127 128 // Defines symbolic names for WebAssembly registers. This defines a mapping from 129 // register name to register number. 130 // 131 #define GET_REGINFO_ENUM 132 #include "WebAssemblyGenRegisterInfo.inc" 133 134 // Defines symbolic names for the WebAssembly instructions. 135 // 136 #define GET_INSTRINFO_ENUM 137 #define GET_INSTRINFO_MC_HELPER_DECLS 138 #include "WebAssemblyGenInstrInfo.inc" 139 140 namespace llvm { 141 namespace WebAssembly { 142 143 /// Instruction opcodes emitted via means other than CodeGen. 144 static const unsigned Nop = 0x01; 145 static const unsigned End = 0x0b; 146 147 /// Return the default p2align value for a load or store with the given opcode. 148 inline unsigned GetDefaultP2AlignAny(unsigned Opc) { 149 switch (Opc) { 150 #define WASM_LOAD_STORE(NAME) \ 151 case WebAssembly::NAME##_A32: \ 152 case WebAssembly::NAME##_A64: \ 153 case WebAssembly::NAME##_A32_S: \ 154 case WebAssembly::NAME##_A64_S: 155 WASM_LOAD_STORE(LOAD8_S_I32) 156 WASM_LOAD_STORE(LOAD8_U_I32) 157 WASM_LOAD_STORE(LOAD8_S_I64) 158 WASM_LOAD_STORE(LOAD8_U_I64) 159 WASM_LOAD_STORE(ATOMIC_LOAD8_U_I32) 160 WASM_LOAD_STORE(ATOMIC_LOAD8_U_I64) 161 WASM_LOAD_STORE(STORE8_I32) 162 WASM_LOAD_STORE(STORE8_I64) 163 WASM_LOAD_STORE(ATOMIC_STORE8_I32) 164 WASM_LOAD_STORE(ATOMIC_STORE8_I64) 165 WASM_LOAD_STORE(ATOMIC_RMW8_U_ADD_I32) 166 WASM_LOAD_STORE(ATOMIC_RMW8_U_ADD_I64) 167 WASM_LOAD_STORE(ATOMIC_RMW8_U_SUB_I32) 168 WASM_LOAD_STORE(ATOMIC_RMW8_U_SUB_I64) 169 WASM_LOAD_STORE(ATOMIC_RMW8_U_AND_I32) 170 WASM_LOAD_STORE(ATOMIC_RMW8_U_AND_I64) 171 WASM_LOAD_STORE(ATOMIC_RMW8_U_OR_I32) 172 WASM_LOAD_STORE(ATOMIC_RMW8_U_OR_I64) 173 WASM_LOAD_STORE(ATOMIC_RMW8_U_XOR_I32) 174 WASM_LOAD_STORE(ATOMIC_RMW8_U_XOR_I64) 175 WASM_LOAD_STORE(ATOMIC_RMW8_U_XCHG_I32) 176 WASM_LOAD_STORE(ATOMIC_RMW8_U_XCHG_I64) 177 WASM_LOAD_STORE(ATOMIC_RMW8_U_CMPXCHG_I32) 178 WASM_LOAD_STORE(ATOMIC_RMW8_U_CMPXCHG_I64) 179 WASM_LOAD_STORE(LOAD8_SPLAT) 180 WASM_LOAD_STORE(LOAD_LANE_I8x16) 181 WASM_LOAD_STORE(STORE_LANE_I8x16) 182 return 0; 183 WASM_LOAD_STORE(LOAD16_S_I32) 184 WASM_LOAD_STORE(LOAD16_U_I32) 185 WASM_LOAD_STORE(LOAD16_S_I64) 186 WASM_LOAD_STORE(LOAD16_U_I64) 187 WASM_LOAD_STORE(ATOMIC_LOAD16_U_I32) 188 WASM_LOAD_STORE(ATOMIC_LOAD16_U_I64) 189 WASM_LOAD_STORE(STORE16_I32) 190 WASM_LOAD_STORE(STORE16_I64) 191 WASM_LOAD_STORE(ATOMIC_STORE16_I32) 192 WASM_LOAD_STORE(ATOMIC_STORE16_I64) 193 WASM_LOAD_STORE(ATOMIC_RMW16_U_ADD_I32) 194 WASM_LOAD_STORE(ATOMIC_RMW16_U_ADD_I64) 195 WASM_LOAD_STORE(ATOMIC_RMW16_U_SUB_I32) 196 WASM_LOAD_STORE(ATOMIC_RMW16_U_SUB_I64) 197 WASM_LOAD_STORE(ATOMIC_RMW16_U_AND_I32) 198 WASM_LOAD_STORE(ATOMIC_RMW16_U_AND_I64) 199 WASM_LOAD_STORE(ATOMIC_RMW16_U_OR_I32) 200 WASM_LOAD_STORE(ATOMIC_RMW16_U_OR_I64) 201 WASM_LOAD_STORE(ATOMIC_RMW16_U_XOR_I32) 202 WASM_LOAD_STORE(ATOMIC_RMW16_U_XOR_I64) 203 WASM_LOAD_STORE(ATOMIC_RMW16_U_XCHG_I32) 204 WASM_LOAD_STORE(ATOMIC_RMW16_U_XCHG_I64) 205 WASM_LOAD_STORE(ATOMIC_RMW16_U_CMPXCHG_I32) 206 WASM_LOAD_STORE(ATOMIC_RMW16_U_CMPXCHG_I64) 207 WASM_LOAD_STORE(LOAD16_SPLAT) 208 WASM_LOAD_STORE(LOAD_LANE_I16x8) 209 WASM_LOAD_STORE(STORE_LANE_I16x8) 210 WASM_LOAD_STORE(LOAD_F16_F32) 211 WASM_LOAD_STORE(STORE_F16_F32) 212 return 1; 213 WASM_LOAD_STORE(LOAD_I32) 214 WASM_LOAD_STORE(LOAD_F32) 215 WASM_LOAD_STORE(STORE_I32) 216 WASM_LOAD_STORE(STORE_F32) 217 WASM_LOAD_STORE(LOAD32_S_I64) 218 WASM_LOAD_STORE(LOAD32_U_I64) 219 WASM_LOAD_STORE(STORE32_I64) 220 WASM_LOAD_STORE(ATOMIC_LOAD_I32) 221 WASM_LOAD_STORE(ATOMIC_LOAD32_U_I64) 222 WASM_LOAD_STORE(ATOMIC_STORE_I32) 223 WASM_LOAD_STORE(ATOMIC_STORE32_I64) 224 WASM_LOAD_STORE(ATOMIC_RMW_ADD_I32) 225 WASM_LOAD_STORE(ATOMIC_RMW32_U_ADD_I64) 226 WASM_LOAD_STORE(ATOMIC_RMW_SUB_I32) 227 WASM_LOAD_STORE(ATOMIC_RMW32_U_SUB_I64) 228 WASM_LOAD_STORE(ATOMIC_RMW_AND_I32) 229 WASM_LOAD_STORE(ATOMIC_RMW32_U_AND_I64) 230 WASM_LOAD_STORE(ATOMIC_RMW_OR_I32) 231 WASM_LOAD_STORE(ATOMIC_RMW32_U_OR_I64) 232 WASM_LOAD_STORE(ATOMIC_RMW_XOR_I32) 233 WASM_LOAD_STORE(ATOMIC_RMW32_U_XOR_I64) 234 WASM_LOAD_STORE(ATOMIC_RMW_XCHG_I32) 235 WASM_LOAD_STORE(ATOMIC_RMW32_U_XCHG_I64) 236 WASM_LOAD_STORE(ATOMIC_RMW_CMPXCHG_I32) 237 WASM_LOAD_STORE(ATOMIC_RMW32_U_CMPXCHG_I64) 238 WASM_LOAD_STORE(MEMORY_ATOMIC_NOTIFY) 239 WASM_LOAD_STORE(MEMORY_ATOMIC_WAIT32) 240 WASM_LOAD_STORE(LOAD32_SPLAT) 241 WASM_LOAD_STORE(LOAD_ZERO_I32x4) 242 WASM_LOAD_STORE(LOAD_LANE_I32x4) 243 WASM_LOAD_STORE(STORE_LANE_I32x4) 244 return 2; 245 WASM_LOAD_STORE(LOAD_I64) 246 WASM_LOAD_STORE(LOAD_F64) 247 WASM_LOAD_STORE(STORE_I64) 248 WASM_LOAD_STORE(STORE_F64) 249 WASM_LOAD_STORE(ATOMIC_LOAD_I64) 250 WASM_LOAD_STORE(ATOMIC_STORE_I64) 251 WASM_LOAD_STORE(ATOMIC_RMW_ADD_I64) 252 WASM_LOAD_STORE(ATOMIC_RMW_SUB_I64) 253 WASM_LOAD_STORE(ATOMIC_RMW_AND_I64) 254 WASM_LOAD_STORE(ATOMIC_RMW_OR_I64) 255 WASM_LOAD_STORE(ATOMIC_RMW_XOR_I64) 256 WASM_LOAD_STORE(ATOMIC_RMW_XCHG_I64) 257 WASM_LOAD_STORE(ATOMIC_RMW_CMPXCHG_I64) 258 WASM_LOAD_STORE(MEMORY_ATOMIC_WAIT64) 259 WASM_LOAD_STORE(LOAD64_SPLAT) 260 WASM_LOAD_STORE(LOAD_EXTEND_S_I16x8) 261 WASM_LOAD_STORE(LOAD_EXTEND_U_I16x8) 262 WASM_LOAD_STORE(LOAD_EXTEND_S_I32x4) 263 WASM_LOAD_STORE(LOAD_EXTEND_U_I32x4) 264 WASM_LOAD_STORE(LOAD_EXTEND_S_I64x2) 265 WASM_LOAD_STORE(LOAD_EXTEND_U_I64x2) 266 WASM_LOAD_STORE(LOAD_ZERO_I64x2) 267 WASM_LOAD_STORE(LOAD_LANE_I64x2) 268 WASM_LOAD_STORE(STORE_LANE_I64x2) 269 return 3; 270 WASM_LOAD_STORE(LOAD_V128) 271 WASM_LOAD_STORE(STORE_V128) 272 return 4; 273 default: 274 return -1; 275 } 276 #undef WASM_LOAD_STORE 277 } 278 279 inline unsigned GetDefaultP2Align(unsigned Opc) { 280 auto Align = GetDefaultP2AlignAny(Opc); 281 if (Align == -1U) { 282 llvm_unreachable("Only loads and stores have p2align values"); 283 } 284 return Align; 285 } 286 287 inline bool isConst(unsigned Opc) { 288 switch (Opc) { 289 case WebAssembly::CONST_I32: 290 case WebAssembly::CONST_I32_S: 291 case WebAssembly::CONST_I64: 292 case WebAssembly::CONST_I64_S: 293 case WebAssembly::CONST_F32: 294 case WebAssembly::CONST_F32_S: 295 case WebAssembly::CONST_F64: 296 case WebAssembly::CONST_F64_S: 297 case WebAssembly::CONST_V128_I8x16: 298 case WebAssembly::CONST_V128_I8x16_S: 299 case WebAssembly::CONST_V128_I16x8: 300 case WebAssembly::CONST_V128_I16x8_S: 301 case WebAssembly::CONST_V128_I32x4: 302 case WebAssembly::CONST_V128_I32x4_S: 303 case WebAssembly::CONST_V128_I64x2: 304 case WebAssembly::CONST_V128_I64x2_S: 305 case WebAssembly::CONST_V128_F32x4: 306 case WebAssembly::CONST_V128_F32x4_S: 307 case WebAssembly::CONST_V128_F64x2: 308 case WebAssembly::CONST_V128_F64x2_S: 309 return true; 310 default: 311 return false; 312 } 313 } 314 315 inline bool isScalarConst(unsigned Opc) { 316 switch (Opc) { 317 case WebAssembly::CONST_I32: 318 case WebAssembly::CONST_I32_S: 319 case WebAssembly::CONST_I64: 320 case WebAssembly::CONST_I64_S: 321 case WebAssembly::CONST_F32: 322 case WebAssembly::CONST_F32_S: 323 case WebAssembly::CONST_F64: 324 case WebAssembly::CONST_F64_S: 325 return true; 326 default: 327 return false; 328 } 329 } 330 331 inline bool isArgument(unsigned Opc) { 332 switch (Opc) { 333 case WebAssembly::ARGUMENT_i32: 334 case WebAssembly::ARGUMENT_i32_S: 335 case WebAssembly::ARGUMENT_i64: 336 case WebAssembly::ARGUMENT_i64_S: 337 case WebAssembly::ARGUMENT_f32: 338 case WebAssembly::ARGUMENT_f32_S: 339 case WebAssembly::ARGUMENT_f64: 340 case WebAssembly::ARGUMENT_f64_S: 341 case WebAssembly::ARGUMENT_v16i8: 342 case WebAssembly::ARGUMENT_v16i8_S: 343 case WebAssembly::ARGUMENT_v8i16: 344 case WebAssembly::ARGUMENT_v8i16_S: 345 case WebAssembly::ARGUMENT_v4i32: 346 case WebAssembly::ARGUMENT_v4i32_S: 347 case WebAssembly::ARGUMENT_v2i64: 348 case WebAssembly::ARGUMENT_v2i64_S: 349 case WebAssembly::ARGUMENT_v8f16: 350 case WebAssembly::ARGUMENT_v8f16_S: 351 case WebAssembly::ARGUMENT_v4f32: 352 case WebAssembly::ARGUMENT_v4f32_S: 353 case WebAssembly::ARGUMENT_v2f64: 354 case WebAssembly::ARGUMENT_v2f64_S: 355 case WebAssembly::ARGUMENT_funcref: 356 case WebAssembly::ARGUMENT_funcref_S: 357 case WebAssembly::ARGUMENT_externref: 358 case WebAssembly::ARGUMENT_externref_S: 359 case WebAssembly::ARGUMENT_exnref: 360 case WebAssembly::ARGUMENT_exnref_S: 361 return true; 362 default: 363 return false; 364 } 365 } 366 367 inline bool isCopy(unsigned Opc) { 368 switch (Opc) { 369 case WebAssembly::COPY_I32: 370 case WebAssembly::COPY_I32_S: 371 case WebAssembly::COPY_I64: 372 case WebAssembly::COPY_I64_S: 373 case WebAssembly::COPY_F32: 374 case WebAssembly::COPY_F32_S: 375 case WebAssembly::COPY_F64: 376 case WebAssembly::COPY_F64_S: 377 case WebAssembly::COPY_V128: 378 case WebAssembly::COPY_V128_S: 379 case WebAssembly::COPY_FUNCREF: 380 case WebAssembly::COPY_FUNCREF_S: 381 case WebAssembly::COPY_EXTERNREF: 382 case WebAssembly::COPY_EXTERNREF_S: 383 case WebAssembly::COPY_EXNREF: 384 case WebAssembly::COPY_EXNREF_S: 385 return true; 386 default: 387 return false; 388 } 389 } 390 391 inline bool isTee(unsigned Opc) { 392 switch (Opc) { 393 case WebAssembly::TEE_I32: 394 case WebAssembly::TEE_I32_S: 395 case WebAssembly::TEE_I64: 396 case WebAssembly::TEE_I64_S: 397 case WebAssembly::TEE_F32: 398 case WebAssembly::TEE_F32_S: 399 case WebAssembly::TEE_F64: 400 case WebAssembly::TEE_F64_S: 401 case WebAssembly::TEE_V128: 402 case WebAssembly::TEE_V128_S: 403 case WebAssembly::TEE_FUNCREF: 404 case WebAssembly::TEE_FUNCREF_S: 405 case WebAssembly::TEE_EXTERNREF: 406 case WebAssembly::TEE_EXTERNREF_S: 407 case WebAssembly::TEE_EXNREF: 408 case WebAssembly::TEE_EXNREF_S: 409 return true; 410 default: 411 return false; 412 } 413 } 414 415 inline bool isCallDirect(unsigned Opc) { 416 switch (Opc) { 417 case WebAssembly::CALL: 418 case WebAssembly::CALL_S: 419 case WebAssembly::RET_CALL: 420 case WebAssembly::RET_CALL_S: 421 return true; 422 default: 423 return false; 424 } 425 } 426 427 inline bool isCallIndirect(unsigned Opc) { 428 switch (Opc) { 429 case WebAssembly::CALL_INDIRECT: 430 case WebAssembly::CALL_INDIRECT_S: 431 case WebAssembly::RET_CALL_INDIRECT: 432 case WebAssembly::RET_CALL_INDIRECT_S: 433 return true; 434 default: 435 return false; 436 } 437 } 438 439 inline bool isBrTable(unsigned Opc) { 440 switch (Opc) { 441 case WebAssembly::BR_TABLE_I32: 442 case WebAssembly::BR_TABLE_I32_S: 443 case WebAssembly::BR_TABLE_I64: 444 case WebAssembly::BR_TABLE_I64_S: 445 return true; 446 default: 447 return false; 448 } 449 } 450 451 inline bool isMarker(unsigned Opc) { 452 switch (Opc) { 453 case WebAssembly::BLOCK: 454 case WebAssembly::BLOCK_S: 455 case WebAssembly::END_BLOCK: 456 case WebAssembly::END_BLOCK_S: 457 case WebAssembly::LOOP: 458 case WebAssembly::LOOP_S: 459 case WebAssembly::END_LOOP: 460 case WebAssembly::END_LOOP_S: 461 case WebAssembly::TRY: 462 case WebAssembly::TRY_S: 463 case WebAssembly::END_TRY: 464 case WebAssembly::END_TRY_S: 465 return true; 466 default: 467 return false; 468 } 469 } 470 471 inline bool isCatch(unsigned Opc) { 472 switch (Opc) { 473 case WebAssembly::CATCH: 474 case WebAssembly::CATCH_S: 475 case WebAssembly::CATCH_ALL: 476 case WebAssembly::CATCH_ALL_S: 477 return true; 478 default: 479 return false; 480 } 481 } 482 483 inline bool isLocalGet(unsigned Opc) { 484 switch (Opc) { 485 case WebAssembly::LOCAL_GET_I32: 486 case WebAssembly::LOCAL_GET_I32_S: 487 case WebAssembly::LOCAL_GET_I64: 488 case WebAssembly::LOCAL_GET_I64_S: 489 case WebAssembly::LOCAL_GET_F32: 490 case WebAssembly::LOCAL_GET_F32_S: 491 case WebAssembly::LOCAL_GET_F64: 492 case WebAssembly::LOCAL_GET_F64_S: 493 case WebAssembly::LOCAL_GET_V128: 494 case WebAssembly::LOCAL_GET_V128_S: 495 case WebAssembly::LOCAL_GET_FUNCREF: 496 case WebAssembly::LOCAL_GET_FUNCREF_S: 497 case WebAssembly::LOCAL_GET_EXTERNREF: 498 case WebAssembly::LOCAL_GET_EXTERNREF_S: 499 case WebAssembly::LOCAL_GET_EXNREF: 500 case WebAssembly::LOCAL_GET_EXNREF_S: 501 return true; 502 default: 503 return false; 504 } 505 } 506 507 inline bool isLocalSet(unsigned Opc) { 508 switch (Opc) { 509 case WebAssembly::LOCAL_SET_I32: 510 case WebAssembly::LOCAL_SET_I32_S: 511 case WebAssembly::LOCAL_SET_I64: 512 case WebAssembly::LOCAL_SET_I64_S: 513 case WebAssembly::LOCAL_SET_F32: 514 case WebAssembly::LOCAL_SET_F32_S: 515 case WebAssembly::LOCAL_SET_F64: 516 case WebAssembly::LOCAL_SET_F64_S: 517 case WebAssembly::LOCAL_SET_V128: 518 case WebAssembly::LOCAL_SET_V128_S: 519 case WebAssembly::LOCAL_SET_FUNCREF: 520 case WebAssembly::LOCAL_SET_FUNCREF_S: 521 case WebAssembly::LOCAL_SET_EXTERNREF: 522 case WebAssembly::LOCAL_SET_EXTERNREF_S: 523 case WebAssembly::LOCAL_SET_EXNREF: 524 case WebAssembly::LOCAL_SET_EXNREF_S: 525 return true; 526 default: 527 return false; 528 } 529 } 530 531 inline bool isLocalTee(unsigned Opc) { 532 switch (Opc) { 533 case WebAssembly::LOCAL_TEE_I32: 534 case WebAssembly::LOCAL_TEE_I32_S: 535 case WebAssembly::LOCAL_TEE_I64: 536 case WebAssembly::LOCAL_TEE_I64_S: 537 case WebAssembly::LOCAL_TEE_F32: 538 case WebAssembly::LOCAL_TEE_F32_S: 539 case WebAssembly::LOCAL_TEE_F64: 540 case WebAssembly::LOCAL_TEE_F64_S: 541 case WebAssembly::LOCAL_TEE_V128: 542 case WebAssembly::LOCAL_TEE_V128_S: 543 case WebAssembly::LOCAL_TEE_FUNCREF: 544 case WebAssembly::LOCAL_TEE_FUNCREF_S: 545 case WebAssembly::LOCAL_TEE_EXTERNREF: 546 case WebAssembly::LOCAL_TEE_EXTERNREF_S: 547 case WebAssembly::LOCAL_TEE_EXNREF: 548 case WebAssembly::LOCAL_TEE_EXNREF_S: 549 return true; 550 default: 551 return false; 552 } 553 } 554 555 static const unsigned UnusedReg = -1u; 556 557 // For a given stackified WAReg, return the id number to print with push/pop. 558 unsigned inline getWARegStackId(unsigned Reg) { 559 assert(Reg & INT32_MIN); 560 return Reg & INT32_MAX; 561 } 562 563 } // end namespace WebAssembly 564 } // end namespace llvm 565 566 #define GET_SUBTARGETINFO_ENUM 567 #include "WebAssemblyGenSubtargetInfo.inc" 568 569 #endif 570