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