llvm/lib/CodeGen/ValueTypes.cpp

   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/Debug.h"
  14 #include "llvm/Support/ErrorHandling.h"
  15 #include "llvm/Support/TypeSize.h"
  16 #include "llvm/Support/WithColor.h"
  17 using namespace llvm;
  18
  19 EVT EVT::changeExtendedTypeToInteger() const {
  20   assert(isExtended() && "Type is not extended!");
  21   LLVMContext &Context = LLVMTy->getContext();
  22   return getIntegerVT(Context, getSizeInBits());
  23 }
  24
  25 EVT EVT::changeExtendedVectorElementTypeToInteger() const {
  26   assert(isExtended() && "Type is not extended!");
  27   LLVMContext &Context = LLVMTy->getContext();
  28   EVT IntTy = getIntegerVT(Context, getScalarSizeInBits());
  29   return getVectorVT(Context, IntTy, getVectorElementCount());
  30 }
  31
  32 EVT EVT::changeExtendedVectorElementType(EVT EltVT) const {
  33   assert(isExtended() && "Type is not extended!");
  34   LLVMContext &Context = LLVMTy->getContext();
  35   return getVectorVT(Context, EltVT, getVectorElementCount());
  36 }
  37
  38 EVT EVT::getExtendedIntegerVT(LLVMContext &Context, unsigned BitWidth) {
  39   EVT VT;
  40   VT.LLVMTy = IntegerType::get(Context, BitWidth);
  41   assert(VT.isExtended() && "Type is not extended!");
  42   return VT;
  43 }
  44
  45 EVT EVT::getExtendedVectorVT(LLVMContext &Context, EVT VT, unsigned NumElements,
  46                              bool IsScalable) {
  47   EVT ResultVT;
  48   ResultVT.LLVMTy =
  49       VectorType::get(VT.getTypeForEVT(Context), NumElements, IsScalable);
  50   assert(ResultVT.isExtended() && "Type is not extended!");
  51   return ResultVT;
  52 }
  53
  54 EVT EVT::getExtendedVectorVT(LLVMContext &Context, EVT VT, ElementCount EC) {
  55   EVT ResultVT;
  56   ResultVT.LLVMTy = VectorType::get(VT.getTypeForEVT(Context), EC);
  57   assert(ResultVT.isExtended() && "Type is not extended!");
  58   return ResultVT;
  59 }
  60
  61 bool EVT::isExtendedFloatingPoint() const {
  62   assert(isExtended() && "Type is not extended!");
  63   return LLVMTy->isFPOrFPVectorTy();
  64 }
  65
  66 bool EVT::isExtendedInteger() const {
  67   assert(isExtended() && "Type is not extended!");
  68   return LLVMTy->isIntOrIntVectorTy();
  69 }
  70
  71 bool EVT::isExtendedScalarInteger() const {
  72   assert(isExtended() && "Type is not extended!");
  73   return LLVMTy->isIntegerTy();
  74 }
  75
  76 bool EVT::isExtendedVector() const {
  77   assert(isExtended() && "Type is not extended!");
  78   return LLVMTy->isVectorTy();
  79 }
  80
  81 bool EVT::isExtended16BitVector() const {
  82   return isExtendedVector() &&
  83          getExtendedSizeInBits() == TypeSize::getFixed(16);
  84 }
  85
  86 bool EVT::isExtended32BitVector() const {
  87   return isExtendedVector() &&
  88          getExtendedSizeInBits() == TypeSize::getFixed(32);
  89 }
  90
  91 bool EVT::isExtended64BitVector() const {
  92   return isExtendedVector() &&
  93          getExtendedSizeInBits() == TypeSize::getFixed(64);
  94 }
  95
  96 bool EVT::isExtended128BitVector() const {
  97   return isExtendedVector() &&
  98          getExtendedSizeInBits() == TypeSize::getFixed(128);
  99 }
 100
 101 bool EVT::isExtended256BitVector() const {
 102   return isExtendedVector() &&
 103          getExtendedSizeInBits() == TypeSize::getFixed(256);
 104 }
 105
 106 bool EVT::isExtended512BitVector() const {
 107   return isExtendedVector() &&
 108          getExtendedSizeInBits() == TypeSize::getFixed(512);
 109 }
 110
 111 bool EVT::isExtended1024BitVector() const {
 112   return isExtendedVector() &&
 113          getExtendedSizeInBits() == TypeSize::getFixed(1024);
 114 }
 115
 116 bool EVT::isExtended2048BitVector() const {
 117   return isExtendedVector() &&
 118          getExtendedSizeInBits() == TypeSize::getFixed(2048);
 119 }
 120
 121 bool EVT::isExtendedFixedLengthVector() const {
 122   return isExtendedVector() && isa<FixedVectorType>(LLVMTy);
 123 }
 124
 125 bool EVT::isExtendedScalableVector() const {
 126   return isExtendedVector() && isa<ScalableVectorType>(LLVMTy);
 127 }
 128
 129 EVT EVT::getExtendedVectorElementType() const {
 130   assert(isExtended() && "Type is not extended!");
 131   return EVT::getEVT(cast<VectorType>(LLVMTy)->getElementType());
 132 }
 133
 134 unsigned EVT::getExtendedVectorNumElements() const {
 135   assert(isExtended() && "Type is not extended!");
 136   ElementCount EC = cast<VectorType>(LLVMTy)->getElementCount();
 137   if (EC.isScalable()) {
 138     WithColor::warning()
 139         << "The code that requested the fixed number of elements has made the "
 140            "assumption that this vector is not scalable. This assumption was "
 141            "not correct, and this may lead to broken code\n";
 142   }
 143   return EC.getKnownMinValue();
 144 }
 145
 146 ElementCount EVT::getExtendedVectorElementCount() const {
 147   assert(isExtended() && "Type is not extended!");
 148   return cast<VectorType>(LLVMTy)->getElementCount();
 149 }
 150
 151 TypeSize EVT::getExtendedSizeInBits() const {
 152   assert(isExtended() && "Type is not extended!");
 153   if (IntegerType *ITy = dyn_cast<IntegerType>(LLVMTy))
 154     return TypeSize::getFixed(ITy->getBitWidth());
 155   if (VectorType *VTy = dyn_cast<VectorType>(LLVMTy))
 156     return VTy->getPrimitiveSizeInBits();
 157   llvm_unreachable("Unrecognized extended type!");
 158 }
 159
 160 /// getEVTString - This function returns value type as a string, e.g. "i32".
 161 std::string EVT::getEVTString() const {
 162   switch (V.SimpleTy) {
 163   default:
 164     if (isVector())
 165       return (isScalableVector() ? "nxv" : "v") +
 166              utostr(getVectorElementCount().getKnownMinValue()) +
 167              getVectorElementType().getEVTString();
 168     if (isInteger())
 169       return "i" + utostr(getSizeInBits());
 170     if (isFloatingPoint())
 171       return "f" + utostr(getSizeInBits());
 172     llvm_unreachable("Invalid EVT!");
 173   case MVT::bf16:      return "bf16";
 174   case MVT::ppcf128:   return "ppcf128";
 175   case MVT::isVoid:    return "isVoid";
 176   case MVT::Other:     return "ch";
 177   case MVT::Glue:      return "glue";
 178   case MVT::x86mmx:    return "x86mmx";
 179   case MVT::x86amx:    return "x86amx";
 180   case MVT::i64x8:     return "i64x8";
 181   case MVT::Metadata:  return "Metadata";
 182   case MVT::Untyped:   return "Untyped";
 183   case MVT::funcref:   return "funcref";
 184   case MVT::externref: return "externref";
 185   case MVT::aarch64svcount:
 186     return "aarch64svcount";
 187   case MVT::spirvbuiltin:
 188     return "spirvbuiltin";
 189   }
 190 }
 191
 192 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
 193 void EVT::dump() const {
 194   print(dbgs());
 195   dbgs() << "\n";
 196 }
 197 #endif
 198
 199 /// getTypeForEVT - This method returns an LLVM type corresponding to the
 200 /// specified EVT.  For integer types, this returns an unsigned type.  Note
 201 /// that this will abort for types that cannot be represented.
 202 Type *EVT::getTypeForEVT(LLVMContext &Context) const {
 203   // clang-format off
 204   switch (V.SimpleTy) {
 205   default:
 206     assert(isExtended() && "Type is not extended!");
 207     return LLVMTy;
 208   case MVT::isVoid:  return Type::getVoidTy(Context);
 209   case MVT::i1:      return Type::getInt1Ty(Context);
 210   case MVT::i2:      return Type::getIntNTy(Context, 2);
 211   case MVT::i4:      return Type::getIntNTy(Context, 4);
 212   case MVT::i8:      return Type::getInt8Ty(Context);
 213   case MVT::i16:     return Type::getInt16Ty(Context);
 214   case MVT::i32:     return Type::getInt32Ty(Context);
 215   case MVT::i64:     return Type::getInt64Ty(Context);
 216   case MVT::i128:    return IntegerType::get(Context, 128);
 217   case MVT::f16:     return Type::getHalfTy(Context);
 218   case MVT::bf16:    return Type::getBFloatTy(Context);
 219   case MVT::f32:     return Type::getFloatTy(Context);
 220   case MVT::f64:     return Type::getDoubleTy(Context);
 221   case MVT::f80:     return Type::getX86_FP80Ty(Context);
 222   case MVT::f128:    return Type::getFP128Ty(Context);
 223   case MVT::ppcf128: return Type::getPPC_FP128Ty(Context);
 224   case MVT::x86mmx:  return Type::getX86_MMXTy(Context);
 225   case MVT::aarch64svcount:
 226     return TargetExtType::get(Context, "aarch64.svcount");
 227   case MVT::x86amx:  return Type::getX86_AMXTy(Context);
 228   case MVT::i64x8:   return IntegerType::get(Context, 512);
 229   case MVT::externref: return Type::getWasm_ExternrefTy(Context);
 230   case MVT::funcref: return Type::getWasm_FuncrefTy(Context);
 231   case MVT::v1i1:
 232     return FixedVectorType::get(Type::getInt1Ty(Context), 1);
 233   case MVT::v2i1:
 234     return FixedVectorType::get(Type::getInt1Ty(Context), 2);
 235   case MVT::v4i1:
 236     return FixedVectorType::get(Type::getInt1Ty(Context), 4);
 237   case MVT::v8i1:
 238     return FixedVectorType::get(Type::getInt1Ty(Context), 8);
 239   case MVT::v16i1:
 240     return FixedVectorType::get(Type::getInt1Ty(Context), 16);
 241   case MVT::v32i1:
 242     return FixedVectorType::get(Type::getInt1Ty(Context), 32);
 243   case MVT::v64i1:
 244     return FixedVectorType::get(Type::getInt1Ty(Context), 64);
 245   case MVT::v128i1:
 246     return FixedVectorType::get(Type::getInt1Ty(Context), 128);
 247   case MVT::v256i1:
 248     return FixedVectorType::get(Type::getInt1Ty(Context), 256);
 249   case MVT::v512i1:
 250     return FixedVectorType::get(Type::getInt1Ty(Context), 512);
 251   case MVT::v1024i1:
 252     return FixedVectorType::get(Type::getInt1Ty(Context), 1024);
 253   case MVT::v2048i1:
 254     return FixedVectorType::get(Type::getInt1Ty(Context), 2048);
 255   case MVT::v128i2:
 256     return FixedVectorType::get(Type::getIntNTy(Context, 2), 128);
 257   case MVT::v256i2:
 258     return FixedVectorType::get(Type::getIntNTy(Context, 2), 256);
 259   case MVT::v64i4:
 260     return FixedVectorType::get(Type::getIntNTy(Context, 4), 64);
 261   case MVT::v128i4:
 262     return FixedVectorType::get(Type::getIntNTy(Context, 4), 128);
 263   case MVT::v1i8:
 264     return FixedVectorType::get(Type::getInt8Ty(Context), 1);
 265   case MVT::v2i8:
 266     return FixedVectorType::get(Type::getInt8Ty(Context), 2);
 267   case MVT::v4i8:
 268     return FixedVectorType::get(Type::getInt8Ty(Context), 4);
 269   case MVT::v8i8:
 270     return FixedVectorType::get(Type::getInt8Ty(Context), 8);
 271   case MVT::v16i8:
 272     return FixedVectorType::get(Type::getInt8Ty(Context), 16);
 273   case MVT::v32i8:
 274     return FixedVectorType::get(Type::getInt8Ty(Context), 32);
 275   case MVT::v64i8:
 276     return FixedVectorType::get(Type::getInt8Ty(Context), 64);
 277   case MVT::v128i8:
 278     return FixedVectorType::get(Type::getInt8Ty(Context), 128);
 279   case MVT::v256i8:
 280     return FixedVectorType::get(Type::getInt8Ty(Context), 256);
 281   case MVT::v512i8:
 282     return FixedVectorType::get(Type::getInt8Ty(Context), 512);
 283   case MVT::v1024i8:
 284     return FixedVectorType::get(Type::getInt8Ty(Context), 1024);
 285   case MVT::v1i16:
 286     return FixedVectorType::get(Type::getInt16Ty(Context), 1);
 287   case MVT::v2i16:
 288     return FixedVectorType::get(Type::getInt16Ty(Context), 2);
 289   case MVT::v3i16:
 290     return FixedVectorType::get(Type::getInt16Ty(Context), 3);
 291   case MVT::v4i16:
 292     return FixedVectorType::get(Type::getInt16Ty(Context), 4);
 293   case MVT::v8i16:
 294     return FixedVectorType::get(Type::getInt16Ty(Context), 8);
 295   case MVT::v16i16:
 296     return FixedVectorType::get(Type::getInt16Ty(Context), 16);
 297   case MVT::v32i16:
 298     return FixedVectorType::get(Type::getInt16Ty(Context), 32);
 299   case MVT::v64i16:
 300     return FixedVectorType::get(Type::getInt16Ty(Context), 64);
 301   case MVT::v128i16:
 302     return FixedVectorType::get(Type::getInt16Ty(Context), 128);
 303   case MVT::v256i16:
 304     return FixedVectorType::get(Type::getInt16Ty(Context), 256);
 305   case MVT::v512i16:
 306     return FixedVectorType::get(Type::getInt16Ty(Context), 512);
 307   case MVT::v1i32:
 308     return FixedVectorType::get(Type::getInt32Ty(Context), 1);
 309   case MVT::v2i32:
 310     return FixedVectorType::get(Type::getInt32Ty(Context), 2);
 311   case MVT::v3i32:
 312     return FixedVectorType::get(Type::getInt32Ty(Context), 3);
 313   case MVT::v4i32:
 314     return FixedVectorType::get(Type::getInt32Ty(Context), 4);
 315   case MVT::v5i32:
 316     return FixedVectorType::get(Type::getInt32Ty(Context), 5);
 317   case MVT::v6i32:
 318     return FixedVectorType::get(Type::getInt32Ty(Context), 6);
 319   case MVT::v7i32:
 320     return FixedVectorType::get(Type::getInt32Ty(Context), 7);
 321   case MVT::v8i32:
 322     return FixedVectorType::get(Type::getInt32Ty(Context), 8);
 323   case MVT::v9i32:
 324     return FixedVectorType::get(Type::getInt32Ty(Context), 9);
 325   case MVT::v10i32:
 326     return FixedVectorType::get(Type::getInt32Ty(Context), 10);
 327   case MVT::v11i32:
 328     return FixedVectorType::get(Type::getInt32Ty(Context), 11);
 329   case MVT::v12i32:
 330     return FixedVectorType::get(Type::getInt32Ty(Context), 12);
 331   case MVT::v16i32:
 332     return FixedVectorType::get(Type::getInt32Ty(Context), 16);
 333   case MVT::v32i32:
 334     return FixedVectorType::get(Type::getInt32Ty(Context), 32);
 335   case MVT::v64i32:
 336     return FixedVectorType::get(Type::getInt32Ty(Context), 64);
 337   case MVT::v128i32:
 338     return FixedVectorType::get(Type::getInt32Ty(Context), 128);
 339   case MVT::v256i32:
 340     return FixedVectorType::get(Type::getInt32Ty(Context), 256);
 341   case MVT::v512i32:
 342     return FixedVectorType::get(Type::getInt32Ty(Context), 512);
 343   case MVT::v1024i32:
 344     return FixedVectorType::get(Type::getInt32Ty(Context), 1024);
 345   case MVT::v2048i32:
 346     return FixedVectorType::get(Type::getInt32Ty(Context), 2048);
 347   case MVT::v1i64:
 348     return FixedVectorType::get(Type::getInt64Ty(Context), 1);
 349   case MVT::v2i64:
 350     return FixedVectorType::get(Type::getInt64Ty(Context), 2);
 351   case MVT::v3i64:
 352     return FixedVectorType::get(Type::getInt64Ty(Context), 3);
 353   case MVT::v4i64:
 354     return FixedVectorType::get(Type::getInt64Ty(Context), 4);
 355   case MVT::v8i64:
 356     return FixedVectorType::get(Type::getInt64Ty(Context), 8);
 357   case MVT::v16i64:
 358     return FixedVectorType::get(Type::getInt64Ty(Context), 16);
 359   case MVT::v32i64:
 360     return FixedVectorType::get(Type::getInt64Ty(Context), 32);
 361   case MVT::v64i64:
 362     return FixedVectorType::get(Type::getInt64Ty(Context), 64);
 363   case MVT::v128i64:
 364     return FixedVectorType::get(Type::getInt64Ty(Context), 128);
 365   case MVT::v256i64:
 366     return FixedVectorType::get(Type::getInt64Ty(Context), 256);
 367   case MVT::v1i128:
 368     return FixedVectorType::get(Type::getInt128Ty(Context), 1);
 369   case MVT::v1f16:
 370     return FixedVectorType::get(Type::getHalfTy(Context), 1);
 371   case MVT::v2f16:
 372     return FixedVectorType::get(Type::getHalfTy(Context), 2);
 373   case MVT::v3f16:
 374     return FixedVectorType::get(Type::getHalfTy(Context), 3);
 375   case MVT::v4f16:
 376     return FixedVectorType::get(Type::getHalfTy(Context), 4);
 377   case MVT::v8f16:
 378     return FixedVectorType::get(Type::getHalfTy(Context), 8);
 379   case MVT::v16f16:
 380     return FixedVectorType::get(Type::getHalfTy(Context), 16);
 381   case MVT::v32f16:
 382     return FixedVectorType::get(Type::getHalfTy(Context), 32);
 383   case MVT::v64f16:
 384     return FixedVectorType::get(Type::getHalfTy(Context), 64);
 385   case MVT::v128f16:
 386     return FixedVectorType::get(Type::getHalfTy(Context), 128);
 387   case MVT::v256f16:
 388     return FixedVectorType::get(Type::getHalfTy(Context), 256);
 389   case MVT::v512f16:
 390     return FixedVectorType::get(Type::getHalfTy(Context), 512);
 391   case MVT::v2bf16:
 392     return FixedVectorType::get(Type::getBFloatTy(Context), 2);
 393   case MVT::v3bf16:
 394     return FixedVectorType::get(Type::getBFloatTy(Context), 3);
 395   case MVT::v4bf16:
 396     return FixedVectorType::get(Type::getBFloatTy(Context), 4);
 397   case MVT::v8bf16:
 398     return FixedVectorType::get(Type::getBFloatTy(Context), 8);
 399   case MVT::v16bf16:
 400     return FixedVectorType::get(Type::getBFloatTy(Context), 16);
 401   case MVT::v32bf16:
 402     return FixedVectorType::get(Type::getBFloatTy(Context), 32);
 403   case MVT::v64bf16:
 404     return FixedVectorType::get(Type::getBFloatTy(Context), 64);
 405   case MVT::v128bf16:
 406     return FixedVectorType::get(Type::getBFloatTy(Context), 128);
 407   case MVT::v1f32:
 408     return FixedVectorType::get(Type::getFloatTy(Context), 1);
 409   case MVT::v2f32:
 410     return FixedVectorType::get(Type::getFloatTy(Context), 2);
 411   case MVT::v3f32:
 412     return FixedVectorType::get(Type::getFloatTy(Context), 3);
 413   case MVT::v4f32:
 414     return FixedVectorType::get(Type::getFloatTy(Context), 4);
 415   case MVT::v5f32:
 416     return FixedVectorType::get(Type::getFloatTy(Context), 5);
 417   case MVT::v6f32:
 418     return FixedVectorType::get(Type::getFloatTy(Context), 6);
 419   case MVT::v7f32:
 420     return FixedVectorType::get(Type::getFloatTy(Context), 7);
 421   case MVT::v8f32:
 422     return FixedVectorType::get(Type::getFloatTy(Context), 8);
 423   case MVT::v9f32:
 424     return FixedVectorType::get(Type::getFloatTy(Context), 9);
 425   case MVT::v10f32:
 426     return FixedVectorType::get(Type::getFloatTy(Context), 10);
 427   case MVT::v11f32:
 428     return FixedVectorType::get(Type::getFloatTy(Context), 11);
 429   case MVT::v12f32:
 430     return FixedVectorType::get(Type::getFloatTy(Context), 12);
 431   case MVT::v16f32:
 432     return FixedVectorType::get(Type::getFloatTy(Context), 16);
 433   case MVT::v32f32:
 434     return FixedVectorType::get(Type::getFloatTy(Context), 32);
 435   case MVT::v64f32:
 436     return FixedVectorType::get(Type::getFloatTy(Context), 64);
 437   case MVT::v128f32:
 438     return FixedVectorType::get(Type::getFloatTy(Context), 128);
 439   case MVT::v256f32:
 440     return FixedVectorType::get(Type::getFloatTy(Context), 256);
 441   case MVT::v512f32:
 442     return FixedVectorType::get(Type::getFloatTy(Context), 512);
 443   case MVT::v1024f32:
 444     return FixedVectorType::get(Type::getFloatTy(Context), 1024);
 445   case MVT::v2048f32:
 446     return FixedVectorType::get(Type::getFloatTy(Context), 2048);
 447   case MVT::v1f64:
 448     return FixedVectorType::get(Type::getDoubleTy(Context), 1);
 449   case MVT::v2f64:
 450     return FixedVectorType::get(Type::getDoubleTy(Context), 2);
 451   case MVT::v3f64:
 452     return FixedVectorType::get(Type::getDoubleTy(Context), 3);
 453   case MVT::v4f64:
 454     return FixedVectorType::get(Type::getDoubleTy(Context), 4);
 455   case MVT::v8f64:
 456     return FixedVectorType::get(Type::getDoubleTy(Context), 8);
 457   case MVT::v16f64:
 458     return FixedVectorType::get(Type::getDoubleTy(Context), 16);
 459   case MVT::v32f64:
 460     return FixedVectorType::get(Type::getDoubleTy(Context), 32);
 461   case MVT::v64f64:
 462     return FixedVectorType::get(Type::getDoubleTy(Context), 64);
 463   case MVT::v128f64:
 464     return FixedVectorType::get(Type::getDoubleTy(Context), 128);
 465   case MVT::v256f64:
 466     return FixedVectorType::get(Type::getDoubleTy(Context), 256);
 467   case MVT::nxv1i1:
 468     return ScalableVectorType::get(Type::getInt1Ty(Context), 1);
 469   case MVT::nxv2i1:
 470     return ScalableVectorType::get(Type::getInt1Ty(Context), 2);
 471   case MVT::nxv4i1:
 472     return ScalableVectorType::get(Type::getInt1Ty(Context), 4);
 473   case MVT::nxv8i1:
 474     return ScalableVectorType::get(Type::getInt1Ty(Context), 8);
 475   case MVT::nxv16i1:
 476     return ScalableVectorType::get(Type::getInt1Ty(Context), 16);
 477   case MVT::nxv32i1:
 478     return ScalableVectorType::get(Type::getInt1Ty(Context), 32);
 479   case MVT::nxv64i1:
 480     return ScalableVectorType::get(Type::getInt1Ty(Context), 64);
 481   case MVT::nxv1i8:
 482     return ScalableVectorType::get(Type::getInt8Ty(Context), 1);
 483   case MVT::nxv2i8:
 484     return ScalableVectorType::get(Type::getInt8Ty(Context), 2);
 485   case MVT::nxv4i8:
 486     return ScalableVectorType::get(Type::getInt8Ty(Context), 4);
 487   case MVT::nxv8i8:
 488     return ScalableVectorType::get(Type::getInt8Ty(Context), 8);
 489   case MVT::nxv16i8:
 490     return ScalableVectorType::get(Type::getInt8Ty(Context), 16);
 491   case MVT::nxv32i8:
 492     return ScalableVectorType::get(Type::getInt8Ty(Context), 32);
 493   case MVT::nxv64i8:
 494     return ScalableVectorType::get(Type::getInt8Ty(Context), 64);
 495   case MVT::nxv1i16:
 496     return ScalableVectorType::get(Type::getInt16Ty(Context), 1);
 497   case MVT::nxv2i16:
 498     return ScalableVectorType::get(Type::getInt16Ty(Context), 2);
 499   case MVT::nxv4i16:
 500     return ScalableVectorType::get(Type::getInt16Ty(Context), 4);
 501   case MVT::nxv8i16:
 502     return ScalableVectorType::get(Type::getInt16Ty(Context), 8);
 503   case MVT::nxv16i16:
 504     return ScalableVectorType::get(Type::getInt16Ty(Context), 16);
 505   case MVT::nxv32i16:
 506     return ScalableVectorType::get(Type::getInt16Ty(Context), 32);
 507   case MVT::nxv1i32:
 508     return ScalableVectorType::get(Type::getInt32Ty(Context), 1);
 509   case MVT::nxv2i32:
 510     return ScalableVectorType::get(Type::getInt32Ty(Context), 2);
 511   case MVT::nxv4i32:
 512     return ScalableVectorType::get(Type::getInt32Ty(Context), 4);
 513   case MVT::nxv8i32:
 514     return ScalableVectorType::get(Type::getInt32Ty(Context), 8);
 515   case MVT::nxv16i32:
 516     return ScalableVectorType::get(Type::getInt32Ty(Context), 16);
 517   case MVT::nxv32i32:
 518     return ScalableVectorType::get(Type::getInt32Ty(Context), 32);
 519   case MVT::nxv1i64:
 520     return ScalableVectorType::get(Type::getInt64Ty(Context), 1);
 521   case MVT::nxv2i64:
 522     return ScalableVectorType::get(Type::getInt64Ty(Context), 2);
 523   case MVT::nxv4i64:
 524     return ScalableVectorType::get(Type::getInt64Ty(Context), 4);
 525   case MVT::nxv8i64:
 526     return ScalableVectorType::get(Type::getInt64Ty(Context), 8);
 527   case MVT::nxv16i64:
 528     return ScalableVectorType::get(Type::getInt64Ty(Context), 16);
 529   case MVT::nxv32i64:
 530     return ScalableVectorType::get(Type::getInt64Ty(Context), 32);
 531   case MVT::nxv1f16:
 532     return ScalableVectorType::get(Type::getHalfTy(Context), 1);
 533   case MVT::nxv2f16:
 534     return ScalableVectorType::get(Type::getHalfTy(Context), 2);
 535   case MVT::nxv4f16:
 536     return ScalableVectorType::get(Type::getHalfTy(Context), 4);
 537   case MVT::nxv8f16:
 538     return ScalableVectorType::get(Type::getHalfTy(Context), 8);
 539   case MVT::nxv16f16:
 540     return ScalableVectorType::get(Type::getHalfTy(Context), 16);
 541   case MVT::nxv32f16:
 542     return ScalableVectorType::get(Type::getHalfTy(Context), 32);
 543   case MVT::nxv1bf16:
 544     return ScalableVectorType::get(Type::getBFloatTy(Context), 1);
 545   case MVT::nxv2bf16:
 546     return ScalableVectorType::get(Type::getBFloatTy(Context), 2);
 547   case MVT::nxv4bf16:
 548     return ScalableVectorType::get(Type::getBFloatTy(Context), 4);
 549   case MVT::nxv8bf16:
 550     return ScalableVectorType::get(Type::getBFloatTy(Context), 8);
 551   case MVT::nxv16bf16:
 552     return ScalableVectorType::get(Type::getBFloatTy(Context), 16);
 553   case MVT::nxv32bf16:
 554     return ScalableVectorType::get(Type::getBFloatTy(Context), 32);
 555   case MVT::nxv1f32:
 556     return ScalableVectorType::get(Type::getFloatTy(Context), 1);
 557   case MVT::nxv2f32:
 558     return ScalableVectorType::get(Type::getFloatTy(Context), 2);
 559   case MVT::nxv4f32:
 560     return ScalableVectorType::get(Type::getFloatTy(Context), 4);
 561   case MVT::nxv8f32:
 562     return ScalableVectorType::get(Type::getFloatTy(Context), 8);
 563   case MVT::nxv16f32:
 564     return ScalableVectorType::get(Type::getFloatTy(Context), 16);
 565   case MVT::nxv1f64:
 566     return ScalableVectorType::get(Type::getDoubleTy(Context), 1);
 567   case MVT::nxv2f64:
 568     return ScalableVectorType::get(Type::getDoubleTy(Context), 2);
 569   case MVT::nxv4f64:
 570     return ScalableVectorType::get(Type::getDoubleTy(Context), 4);
 571   case MVT::nxv8f64:
 572     return ScalableVectorType::get(Type::getDoubleTy(Context), 8);
 573   case MVT::Metadata: return Type::getMetadataTy(Context);
 574   }
 575   // clang-format on
 576 }
 577
 578 /// Return the value type corresponding to the specified type.  This returns all
 579 /// pointers as MVT::iPTR.  If HandleUnknown is true, unknown types are returned
 580 /// as Other, otherwise they are invalid.
 581 MVT MVT::getVT(Type *Ty, bool HandleUnknown){
 582   assert(Ty != nullptr && "Invalid type");
 583   switch (Ty->getTypeID()) {
 584   default:
 585     if (HandleUnknown) return MVT(MVT::Other);
 586     llvm_unreachable("Unknown type!");
 587   case Type::VoidTyID:
 588     return MVT::isVoid;
 589   case Type::IntegerTyID:
 590     return getIntegerVT(cast<IntegerType>(Ty)->getBitWidth());
 591   case Type::HalfTyID:      return MVT(MVT::f16);
 592   case Type::BFloatTyID:    return MVT(MVT::bf16);
 593   case Type::FloatTyID:     return MVT(MVT::f32);
 594   case Type::DoubleTyID:    return MVT(MVT::f64);
 595   case Type::X86_FP80TyID:  return MVT(MVT::f80);
 596   case Type::X86_MMXTyID:   return MVT(MVT::x86mmx);
 597   case Type::TargetExtTyID: {
 598     TargetExtType *TargetExtTy = cast<TargetExtType>(Ty);
 599     if (TargetExtTy->getName() == "aarch64.svcount")
 600       return MVT(MVT::aarch64svcount);
 601     else if (TargetExtTy->getName().starts_with("spirv."))
 602       return MVT(MVT::spirvbuiltin);
 603     if (HandleUnknown)
 604       return MVT(MVT::Other);
 605     llvm_unreachable("Unknown target ext type!");
 606   }
 607   case Type::X86_AMXTyID:   return MVT(MVT::x86amx);
 608   case Type::FP128TyID:     return MVT(MVT::f128);
 609   case Type::PPC_FP128TyID: return MVT(MVT::ppcf128);
 610   case Type::PointerTyID:   return MVT(MVT::iPTR);
 611   case Type::FixedVectorTyID:
 612   case Type::ScalableVectorTyID: {
 613     VectorType *VTy = cast<VectorType>(Ty);
 614     return getVectorVT(
 615       getVT(VTy->getElementType(), /*HandleUnknown=*/ false),
 616             VTy->getElementCount());
 617   }
 618   }
 619 }
 620
 621 /// getEVT - Return the value type corresponding to the specified type.  This
 622 /// returns all pointers as MVT::iPTR.  If HandleUnknown is true, unknown types
 623 /// are returned as Other, otherwise they are invalid.
 624 EVT EVT::getEVT(Type *Ty, bool HandleUnknown){
 625   switch (Ty->getTypeID()) {
 626   default:
 627     return MVT::getVT(Ty, HandleUnknown);
 628   case Type::IntegerTyID:
 629     return getIntegerVT(Ty->getContext(), cast<IntegerType>(Ty)->getBitWidth());
 630   case Type::FixedVectorTyID:
 631   case Type::ScalableVectorTyID: {
 632     VectorType *VTy = cast<VectorType>(Ty);
 633     return getVectorVT(Ty->getContext(),
 634                        getEVT(VTy->getElementType(), /*HandleUnknown=*/ false),
 635                        VTy->getElementCount());
 636   }
 637   }
 638 }
 639
 640 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
 641 void MVT::dump() const {
 642   print(dbgs());
 643   dbgs() << "\n";
 644 }
 645 #endif
 646
 647 void MVT::print(raw_ostream &OS) const {
 648   if (SimpleTy == INVALID_SIMPLE_VALUE_TYPE)
 649     OS << "invalid";
 650   else
 651     OS << EVT(*this).getEVTString();
 652 }
 653