1 //===----------- ValueTypes.cpp - Implementation of EVT methods -----------===// 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 "llvm/CodeGen/ValueTypes.h" 10 #include "llvm/ADT/StringExtras.h" 11 #include "llvm/IR/DerivedTypes.h" 12 #include "llvm/IR/Type.h" 13 #include "llvm/Support/ErrorHandling.h" 14 #include "llvm/Support/TypeSize.h" 15 using namespace llvm; 16 17 EVT EVT::changeExtendedTypeToInteger() const { 18 LLVMContext &Context = LLVMTy->getContext(); 19 return getIntegerVT(Context, getSizeInBits()); 20 } 21 22 EVT EVT::changeExtendedVectorElementTypeToInteger() const { 23 LLVMContext &Context = LLVMTy->getContext(); 24 EVT IntTy = getIntegerVT(Context, getScalarSizeInBits()); 25 return getVectorVT(Context, IntTy, getVectorNumElements(), 26 isScalableVector()); 27 } 28 29 EVT EVT::changeExtendedVectorElementType(EVT EltVT) const { 30 LLVMContext &Context = LLVMTy->getContext(); 31 return getVectorVT(Context, EltVT, getVectorElementCount()); 32 } 33 34 EVT EVT::getExtendedIntegerVT(LLVMContext &Context, unsigned BitWidth) { 35 EVT VT; 36 VT.LLVMTy = IntegerType::get(Context, BitWidth); 37 assert(VT.isExtended() && "Type is not extended!"); 38 return VT; 39 } 40 41 EVT EVT::getExtendedVectorVT(LLVMContext &Context, EVT VT, unsigned NumElements, 42 bool IsScalable) { 43 EVT ResultVT; 44 ResultVT.LLVMTy = 45 VectorType::get(VT.getTypeForEVT(Context), NumElements, IsScalable); 46 assert(ResultVT.isExtended() && "Type is not extended!"); 47 return ResultVT; 48 } 49 50 EVT EVT::getExtendedVectorVT(LLVMContext &Context, EVT VT, ElementCount EC) { 51 EVT ResultVT; 52 ResultVT.LLVMTy = VectorType::get(VT.getTypeForEVT(Context), EC); 53 assert(ResultVT.isExtended() && "Type is not extended!"); 54 return ResultVT; 55 } 56 57 bool EVT::isExtendedFloatingPoint() const { 58 assert(isExtended() && "Type is not extended!"); 59 return LLVMTy->isFPOrFPVectorTy(); 60 } 61 62 bool EVT::isExtendedInteger() const { 63 assert(isExtended() && "Type is not extended!"); 64 return LLVMTy->isIntOrIntVectorTy(); 65 } 66 67 bool EVT::isExtendedScalarInteger() const { 68 assert(isExtended() && "Type is not extended!"); 69 return LLVMTy->isIntegerTy(); 70 } 71 72 bool EVT::isExtendedVector() const { 73 assert(isExtended() && "Type is not extended!"); 74 return LLVMTy->isVectorTy(); 75 } 76 77 bool EVT::isExtended16BitVector() const { 78 return isExtendedVector() && getExtendedSizeInBits() == 16; 79 } 80 81 bool EVT::isExtended32BitVector() const { 82 return isExtendedVector() && getExtendedSizeInBits() == 32; 83 } 84 85 bool EVT::isExtended64BitVector() const { 86 return isExtendedVector() && getExtendedSizeInBits() == 64; 87 } 88 89 bool EVT::isExtended128BitVector() const { 90 return isExtendedVector() && getExtendedSizeInBits() == 128; 91 } 92 93 bool EVT::isExtended256BitVector() const { 94 return isExtendedVector() && getExtendedSizeInBits() == 256; 95 } 96 97 bool EVT::isExtended512BitVector() const { 98 return isExtendedVector() && getExtendedSizeInBits() == 512; 99 } 100 101 bool EVT::isExtended1024BitVector() const { 102 return isExtendedVector() && getExtendedSizeInBits() == 1024; 103 } 104 105 bool EVT::isExtended2048BitVector() const { 106 return isExtendedVector() && getExtendedSizeInBits() == 2048; 107 } 108 109 bool EVT::isExtendedFixedLengthVector() const { 110 return isExtendedVector() && isa<FixedVectorType>(LLVMTy); 111 } 112 113 bool EVT::isExtendedScalableVector() const { 114 return isExtendedVector() && isa<ScalableVectorType>(LLVMTy); 115 } 116 117 EVT EVT::getExtendedVectorElementType() const { 118 assert(isExtended() && "Type is not extended!"); 119 return EVT::getEVT(cast<VectorType>(LLVMTy)->getElementType()); 120 } 121 122 unsigned EVT::getExtendedVectorNumElements() const { 123 assert(isExtended() && "Type is not extended!"); 124 ElementCount EC = cast<VectorType>(LLVMTy)->getElementCount(); 125 if (EC.isScalable()) { 126 WithColor::warning() 127 << "The code that requested the fixed number of elements has made the " 128 "assumption that this vector is not scalable. This assumption was " 129 "not correct, and this may lead to broken code\n"; 130 } 131 return EC.getKnownMinValue(); 132 } 133 134 ElementCount EVT::getExtendedVectorElementCount() const { 135 assert(isExtended() && "Type is not extended!"); 136 return cast<VectorType>(LLVMTy)->getElementCount(); 137 } 138 139 TypeSize EVT::getExtendedSizeInBits() const { 140 assert(isExtended() && "Type is not extended!"); 141 if (IntegerType *ITy = dyn_cast<IntegerType>(LLVMTy)) 142 return TypeSize::Fixed(ITy->getBitWidth()); 143 if (VectorType *VTy = dyn_cast<VectorType>(LLVMTy)) 144 return VTy->getPrimitiveSizeInBits(); 145 llvm_unreachable("Unrecognized extended type!"); 146 } 147 148 /// getEVTString - This function returns value type as a string, e.g. "i32". 149 std::string EVT::getEVTString() const { 150 switch (V.SimpleTy) { 151 default: 152 if (isVector()) 153 return (isScalableVector() ? "nxv" : "v") + 154 utostr(getVectorElementCount().getKnownMinValue()) + 155 getVectorElementType().getEVTString(); 156 if (isInteger()) 157 return "i" + utostr(getSizeInBits()); 158 if (isFloatingPoint()) 159 return "f" + utostr(getSizeInBits()); 160 llvm_unreachable("Invalid EVT!"); 161 case MVT::bf16: return "bf16"; 162 case MVT::ppcf128: return "ppcf128"; 163 case MVT::isVoid: return "isVoid"; 164 case MVT::Other: return "ch"; 165 case MVT::Glue: return "glue"; 166 case MVT::x86mmx: return "x86mmx"; 167 case MVT::Metadata:return "Metadata"; 168 case MVT::Untyped: return "Untyped"; 169 case MVT::exnref : return "exnref"; 170 } 171 } 172 173 /// getTypeForEVT - This method returns an LLVM type corresponding to the 174 /// specified EVT. For integer types, this returns an unsigned type. Note 175 /// that this will abort for types that cannot be represented. 176 Type *EVT::getTypeForEVT(LLVMContext &Context) const { 177 switch (V.SimpleTy) { 178 default: 179 assert(isExtended() && "Type is not extended!"); 180 return LLVMTy; 181 case MVT::isVoid: return Type::getVoidTy(Context); 182 case MVT::i1: return Type::getInt1Ty(Context); 183 case MVT::i8: return Type::getInt8Ty(Context); 184 case MVT::i16: return Type::getInt16Ty(Context); 185 case MVT::i32: return Type::getInt32Ty(Context); 186 case MVT::i64: return Type::getInt64Ty(Context); 187 case MVT::i128: return IntegerType::get(Context, 128); 188 case MVT::f16: return Type::getHalfTy(Context); 189 case MVT::bf16: return Type::getBFloatTy(Context); 190 case MVT::f32: return Type::getFloatTy(Context); 191 case MVT::f64: return Type::getDoubleTy(Context); 192 case MVT::f80: return Type::getX86_FP80Ty(Context); 193 case MVT::f128: return Type::getFP128Ty(Context); 194 case MVT::ppcf128: return Type::getPPC_FP128Ty(Context); 195 case MVT::x86mmx: return Type::getX86_MMXTy(Context); 196 case MVT::v1i1: 197 return FixedVectorType::get(Type::getInt1Ty(Context), 1); 198 case MVT::v2i1: 199 return FixedVectorType::get(Type::getInt1Ty(Context), 2); 200 case MVT::v4i1: 201 return FixedVectorType::get(Type::getInt1Ty(Context), 4); 202 case MVT::v8i1: 203 return FixedVectorType::get(Type::getInt1Ty(Context), 8); 204 case MVT::v16i1: 205 return FixedVectorType::get(Type::getInt1Ty(Context), 16); 206 case MVT::v32i1: 207 return FixedVectorType::get(Type::getInt1Ty(Context), 32); 208 case MVT::v64i1: 209 return FixedVectorType::get(Type::getInt1Ty(Context), 64); 210 case MVT::v128i1: 211 return FixedVectorType::get(Type::getInt1Ty(Context), 128); 212 case MVT::v256i1: 213 return FixedVectorType::get(Type::getInt1Ty(Context), 256); 214 case MVT::v512i1: 215 return FixedVectorType::get(Type::getInt1Ty(Context), 512); 216 case MVT::v1024i1: 217 return FixedVectorType::get(Type::getInt1Ty(Context), 1024); 218 case MVT::v1i8: 219 return FixedVectorType::get(Type::getInt8Ty(Context), 1); 220 case MVT::v2i8: 221 return FixedVectorType::get(Type::getInt8Ty(Context), 2); 222 case MVT::v4i8: 223 return FixedVectorType::get(Type::getInt8Ty(Context), 4); 224 case MVT::v8i8: 225 return FixedVectorType::get(Type::getInt8Ty(Context), 8); 226 case MVT::v16i8: 227 return FixedVectorType::get(Type::getInt8Ty(Context), 16); 228 case MVT::v32i8: 229 return FixedVectorType::get(Type::getInt8Ty(Context), 32); 230 case MVT::v64i8: 231 return FixedVectorType::get(Type::getInt8Ty(Context), 64); 232 case MVT::v128i8: 233 return FixedVectorType::get(Type::getInt8Ty(Context), 128); 234 case MVT::v256i8: 235 return FixedVectorType::get(Type::getInt8Ty(Context), 256); 236 case MVT::v1i16: 237 return FixedVectorType::get(Type::getInt16Ty(Context), 1); 238 case MVT::v2i16: 239 return FixedVectorType::get(Type::getInt16Ty(Context), 2); 240 case MVT::v3i16: 241 return FixedVectorType::get(Type::getInt16Ty(Context), 3); 242 case MVT::v4i16: 243 return FixedVectorType::get(Type::getInt16Ty(Context), 4); 244 case MVT::v8i16: 245 return FixedVectorType::get(Type::getInt16Ty(Context), 8); 246 case MVT::v16i16: 247 return FixedVectorType::get(Type::getInt16Ty(Context), 16); 248 case MVT::v32i16: 249 return FixedVectorType::get(Type::getInt16Ty(Context), 32); 250 case MVT::v64i16: 251 return FixedVectorType::get(Type::getInt16Ty(Context), 64); 252 case MVT::v128i16: 253 return FixedVectorType::get(Type::getInt16Ty(Context), 128); 254 case MVT::v1i32: 255 return FixedVectorType::get(Type::getInt32Ty(Context), 1); 256 case MVT::v2i32: 257 return FixedVectorType::get(Type::getInt32Ty(Context), 2); 258 case MVT::v3i32: 259 return FixedVectorType::get(Type::getInt32Ty(Context), 3); 260 case MVT::v4i32: 261 return FixedVectorType::get(Type::getInt32Ty(Context), 4); 262 case MVT::v5i32: 263 return FixedVectorType::get(Type::getInt32Ty(Context), 5); 264 case MVT::v8i32: 265 return FixedVectorType::get(Type::getInt32Ty(Context), 8); 266 case MVT::v16i32: 267 return FixedVectorType::get(Type::getInt32Ty(Context), 16); 268 case MVT::v32i32: 269 return FixedVectorType::get(Type::getInt32Ty(Context), 32); 270 case MVT::v64i32: 271 return FixedVectorType::get(Type::getInt32Ty(Context), 64); 272 case MVT::v128i32: 273 return FixedVectorType::get(Type::getInt32Ty(Context), 128); 274 case MVT::v256i32: 275 return FixedVectorType::get(Type::getInt32Ty(Context), 256); 276 case MVT::v512i32: 277 return FixedVectorType::get(Type::getInt32Ty(Context), 512); 278 case MVT::v1024i32: 279 return FixedVectorType::get(Type::getInt32Ty(Context), 1024); 280 case MVT::v2048i32: 281 return FixedVectorType::get(Type::getInt32Ty(Context), 2048); 282 case MVT::v1i64: 283 return FixedVectorType::get(Type::getInt64Ty(Context), 1); 284 case MVT::v2i64: 285 return FixedVectorType::get(Type::getInt64Ty(Context), 2); 286 case MVT::v4i64: 287 return FixedVectorType::get(Type::getInt64Ty(Context), 4); 288 case MVT::v8i64: 289 return FixedVectorType::get(Type::getInt64Ty(Context), 8); 290 case MVT::v16i64: 291 return FixedVectorType::get(Type::getInt64Ty(Context), 16); 292 case MVT::v32i64: 293 return FixedVectorType::get(Type::getInt64Ty(Context), 32); 294 case MVT::v1i128: 295 return FixedVectorType::get(Type::getInt128Ty(Context), 1); 296 case MVT::v2f16: 297 return FixedVectorType::get(Type::getHalfTy(Context), 2); 298 case MVT::v3f16: 299 return FixedVectorType::get(Type::getHalfTy(Context), 3); 300 case MVT::v4f16: 301 return FixedVectorType::get(Type::getHalfTy(Context), 4); 302 case MVT::v8f16: 303 return FixedVectorType::get(Type::getHalfTy(Context), 8); 304 case MVT::v16f16: 305 return FixedVectorType::get(Type::getHalfTy(Context), 16); 306 case MVT::v32f16: 307 return FixedVectorType::get(Type::getHalfTy(Context), 32); 308 case MVT::v64f16: 309 return FixedVectorType::get(Type::getHalfTy(Context), 64); 310 case MVT::v128f16: 311 return FixedVectorType::get(Type::getHalfTy(Context), 128); 312 case MVT::v2bf16: 313 return FixedVectorType::get(Type::getBFloatTy(Context), 2); 314 case MVT::v3bf16: 315 return FixedVectorType::get(Type::getBFloatTy(Context), 3); 316 case MVT::v4bf16: 317 return FixedVectorType::get(Type::getBFloatTy(Context), 4); 318 case MVT::v8bf16: 319 return FixedVectorType::get(Type::getBFloatTy(Context), 8); 320 case MVT::v16bf16: 321 return FixedVectorType::get(Type::getBFloatTy(Context), 16); 322 case MVT::v32bf16: 323 return FixedVectorType::get(Type::getBFloatTy(Context), 32); 324 case MVT::v64bf16: 325 return FixedVectorType::get(Type::getBFloatTy(Context), 64); 326 case MVT::v128bf16: 327 return FixedVectorType::get(Type::getBFloatTy(Context), 128); 328 case MVT::v1f32: 329 return FixedVectorType::get(Type::getFloatTy(Context), 1); 330 case MVT::v2f32: 331 return FixedVectorType::get(Type::getFloatTy(Context), 2); 332 case MVT::v3f32: 333 return FixedVectorType::get(Type::getFloatTy(Context), 3); 334 case MVT::v4f32: 335 return FixedVectorType::get(Type::getFloatTy(Context), 4); 336 case MVT::v5f32: 337 return FixedVectorType::get(Type::getFloatTy(Context), 5); 338 case MVT::v8f32: 339 return FixedVectorType::get(Type::getFloatTy(Context), 8); 340 case MVT::v16f32: 341 return FixedVectorType::get(Type::getFloatTy(Context), 16); 342 case MVT::v32f32: 343 return FixedVectorType::get(Type::getFloatTy(Context), 32); 344 case MVT::v64f32: 345 return FixedVectorType::get(Type::getFloatTy(Context), 64); 346 case MVT::v128f32: 347 return FixedVectorType::get(Type::getFloatTy(Context), 128); 348 case MVT::v256f32: 349 return FixedVectorType::get(Type::getFloatTy(Context), 256); 350 case MVT::v512f32: 351 return FixedVectorType::get(Type::getFloatTy(Context), 512); 352 case MVT::v1024f32: 353 return FixedVectorType::get(Type::getFloatTy(Context), 1024); 354 case MVT::v2048f32: 355 return FixedVectorType::get(Type::getFloatTy(Context), 2048); 356 case MVT::v1f64: 357 return FixedVectorType::get(Type::getDoubleTy(Context), 1); 358 case MVT::v2f64: 359 return FixedVectorType::get(Type::getDoubleTy(Context), 2); 360 case MVT::v4f64: 361 return FixedVectorType::get(Type::getDoubleTy(Context), 4); 362 case MVT::v8f64: 363 return FixedVectorType::get(Type::getDoubleTy(Context), 8); 364 case MVT::v16f64: 365 return FixedVectorType::get(Type::getDoubleTy(Context), 16); 366 case MVT::v32f64: 367 return FixedVectorType::get(Type::getDoubleTy(Context), 32); 368 case MVT::nxv1i1: 369 return ScalableVectorType::get(Type::getInt1Ty(Context), 1); 370 case MVT::nxv2i1: 371 return ScalableVectorType::get(Type::getInt1Ty(Context), 2); 372 case MVT::nxv4i1: 373 return ScalableVectorType::get(Type::getInt1Ty(Context), 4); 374 case MVT::nxv8i1: 375 return ScalableVectorType::get(Type::getInt1Ty(Context), 8); 376 case MVT::nxv16i1: 377 return ScalableVectorType::get(Type::getInt1Ty(Context), 16); 378 case MVT::nxv32i1: 379 return ScalableVectorType::get(Type::getInt1Ty(Context), 32); 380 case MVT::nxv64i1: 381 return ScalableVectorType::get(Type::getInt1Ty(Context), 64); 382 case MVT::nxv1i8: 383 return ScalableVectorType::get(Type::getInt8Ty(Context), 1); 384 case MVT::nxv2i8: 385 return ScalableVectorType::get(Type::getInt8Ty(Context), 2); 386 case MVT::nxv4i8: 387 return ScalableVectorType::get(Type::getInt8Ty(Context), 4); 388 case MVT::nxv8i8: 389 return ScalableVectorType::get(Type::getInt8Ty(Context), 8); 390 case MVT::nxv16i8: 391 return ScalableVectorType::get(Type::getInt8Ty(Context), 16); 392 case MVT::nxv32i8: 393 return ScalableVectorType::get(Type::getInt8Ty(Context), 32); 394 case MVT::nxv64i8: 395 return ScalableVectorType::get(Type::getInt8Ty(Context), 64); 396 case MVT::nxv1i16: 397 return ScalableVectorType::get(Type::getInt16Ty(Context), 1); 398 case MVT::nxv2i16: 399 return ScalableVectorType::get(Type::getInt16Ty(Context), 2); 400 case MVT::nxv4i16: 401 return ScalableVectorType::get(Type::getInt16Ty(Context), 4); 402 case MVT::nxv8i16: 403 return ScalableVectorType::get(Type::getInt16Ty(Context), 8); 404 case MVT::nxv16i16: 405 return ScalableVectorType::get(Type::getInt16Ty(Context), 16); 406 case MVT::nxv32i16: 407 return ScalableVectorType::get(Type::getInt16Ty(Context), 32); 408 case MVT::nxv1i32: 409 return ScalableVectorType::get(Type::getInt32Ty(Context), 1); 410 case MVT::nxv2i32: 411 return ScalableVectorType::get(Type::getInt32Ty(Context), 2); 412 case MVT::nxv4i32: 413 return ScalableVectorType::get(Type::getInt32Ty(Context), 4); 414 case MVT::nxv8i32: 415 return ScalableVectorType::get(Type::getInt32Ty(Context), 8); 416 case MVT::nxv16i32: 417 return ScalableVectorType::get(Type::getInt32Ty(Context), 16); 418 case MVT::nxv32i32: 419 return ScalableVectorType::get(Type::getInt32Ty(Context), 32); 420 case MVT::nxv1i64: 421 return ScalableVectorType::get(Type::getInt64Ty(Context), 1); 422 case MVT::nxv2i64: 423 return ScalableVectorType::get(Type::getInt64Ty(Context), 2); 424 case MVT::nxv4i64: 425 return ScalableVectorType::get(Type::getInt64Ty(Context), 4); 426 case MVT::nxv8i64: 427 return ScalableVectorType::get(Type::getInt64Ty(Context), 8); 428 case MVT::nxv16i64: 429 return ScalableVectorType::get(Type::getInt64Ty(Context), 16); 430 case MVT::nxv32i64: 431 return ScalableVectorType::get(Type::getInt64Ty(Context), 32); 432 case MVT::nxv1f16: 433 return ScalableVectorType::get(Type::getHalfTy(Context), 1); 434 case MVT::nxv2f16: 435 return ScalableVectorType::get(Type::getHalfTy(Context), 2); 436 case MVT::nxv4f16: 437 return ScalableVectorType::get(Type::getHalfTy(Context), 4); 438 case MVT::nxv8f16: 439 return ScalableVectorType::get(Type::getHalfTy(Context), 8); 440 case MVT::nxv16f16: 441 return ScalableVectorType::get(Type::getHalfTy(Context), 16); 442 case MVT::nxv32f16: 443 return ScalableVectorType::get(Type::getHalfTy(Context), 32); 444 case MVT::nxv2bf16: 445 return ScalableVectorType::get(Type::getBFloatTy(Context), 2); 446 case MVT::nxv4bf16: 447 return ScalableVectorType::get(Type::getBFloatTy(Context), 4); 448 case MVT::nxv8bf16: 449 return ScalableVectorType::get(Type::getBFloatTy(Context), 8); 450 case MVT::nxv1f32: 451 return ScalableVectorType::get(Type::getFloatTy(Context), 1); 452 case MVT::nxv2f32: 453 return ScalableVectorType::get(Type::getFloatTy(Context), 2); 454 case MVT::nxv4f32: 455 return ScalableVectorType::get(Type::getFloatTy(Context), 4); 456 case MVT::nxv8f32: 457 return ScalableVectorType::get(Type::getFloatTy(Context), 8); 458 case MVT::nxv16f32: 459 return ScalableVectorType::get(Type::getFloatTy(Context), 16); 460 case MVT::nxv1f64: 461 return ScalableVectorType::get(Type::getDoubleTy(Context), 1); 462 case MVT::nxv2f64: 463 return ScalableVectorType::get(Type::getDoubleTy(Context), 2); 464 case MVT::nxv4f64: 465 return ScalableVectorType::get(Type::getDoubleTy(Context), 4); 466 case MVT::nxv8f64: 467 return ScalableVectorType::get(Type::getDoubleTy(Context), 8); 468 case MVT::Metadata: return Type::getMetadataTy(Context); 469 } 470 } 471 472 /// Return the value type corresponding to the specified type. This returns all 473 /// pointers as MVT::iPTR. If HandleUnknown is true, unknown types are returned 474 /// as Other, otherwise they are invalid. 475 MVT MVT::getVT(Type *Ty, bool HandleUnknown){ 476 switch (Ty->getTypeID()) { 477 default: 478 if (HandleUnknown) return MVT(MVT::Other); 479 llvm_unreachable("Unknown type!"); 480 case Type::VoidTyID: 481 return MVT::isVoid; 482 case Type::IntegerTyID: 483 return getIntegerVT(cast<IntegerType>(Ty)->getBitWidth()); 484 case Type::HalfTyID: return MVT(MVT::f16); 485 case Type::BFloatTyID: return MVT(MVT::bf16); 486 case Type::FloatTyID: return MVT(MVT::f32); 487 case Type::DoubleTyID: return MVT(MVT::f64); 488 case Type::X86_FP80TyID: return MVT(MVT::f80); 489 case Type::X86_MMXTyID: return MVT(MVT::x86mmx); 490 case Type::FP128TyID: return MVT(MVT::f128); 491 case Type::PPC_FP128TyID: return MVT(MVT::ppcf128); 492 case Type::PointerTyID: return MVT(MVT::iPTR); 493 case Type::FixedVectorTyID: 494 case Type::ScalableVectorTyID: { 495 VectorType *VTy = cast<VectorType>(Ty); 496 return getVectorVT( 497 getVT(VTy->getElementType(), /*HandleUnknown=*/ false), 498 VTy->getElementCount()); 499 } 500 } 501 } 502 503 /// getEVT - Return the value type corresponding to the specified type. This 504 /// returns all pointers as MVT::iPTR. If HandleUnknown is true, unknown types 505 /// are returned as Other, otherwise they are invalid. 506 EVT EVT::getEVT(Type *Ty, bool HandleUnknown){ 507 switch (Ty->getTypeID()) { 508 default: 509 return MVT::getVT(Ty, HandleUnknown); 510 case Type::IntegerTyID: 511 return getIntegerVT(Ty->getContext(), cast<IntegerType>(Ty)->getBitWidth()); 512 case Type::FixedVectorTyID: 513 case Type::ScalableVectorTyID: { 514 VectorType *VTy = cast<VectorType>(Ty); 515 return getVectorVT(Ty->getContext(), 516 getEVT(VTy->getElementType(), /*HandleUnknown=*/ false), 517 VTy->getElementCount()); 518 } 519 } 520 } 521