llvm/unittests/IR/VectorTypesTest.cpp

   1 //===--- llvm/unittest/IR/VectorTypesTest.cpp - vector types unit tests ---===//
   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/IR/DataLayout.h"
  10 #include "llvm/IR/DerivedTypes.h"
  11 #include "llvm/IR/LLVMContext.h"
  12 #include "llvm/Support/TypeSize.h"
  13 #include "gtest/gtest.h"
  14 using namespace llvm;
  15
  16 namespace {
  17
  18 #define EXPECT_VTY_EQ(LHS, RHS)                                                \
  19   do {                                                                         \
  20     ASSERT_NE(LHS, nullptr) << #LHS << " must not be null";                    \
  21     ASSERT_NE(RHS, nullptr) << #RHS << " must not be null";                    \
  22     EXPECT_EQ(LHS, RHS) << "Expect that " << #LHS << " == " << #RHS            \
  23                         << " where " << #LHS << " = " << *LHS << " and "       \
  24                         << #RHS << " = " << *RHS;                              \
  25   } while (false)
  26
  27 #define EXPECT_VTY_NE(LHS, RHS)                                                \
  28   do {                                                                         \
  29     ASSERT_NE(LHS, nullptr) << #LHS << " must not be null";                    \
  30     ASSERT_NE(RHS, nullptr) << #RHS << " must not be null";                    \
  31     EXPECT_NE(LHS, RHS) << "Expect that " << #LHS << " != " << #RHS            \
  32                         << " where " << #LHS << " = " << *LHS << " and "       \
  33                         << #RHS << " = " << *RHS;                              \
  34   } while (false)
  35
  36 TEST(VectorTypesTest, FixedLength) {
  37   LLVMContext Ctx;
  38
  39   Type *Int8Ty = Type::getInt8Ty(Ctx);
  40   Type *Int16Ty = Type::getInt16Ty(Ctx);
  41   Type *Int32Ty = Type::getInt32Ty(Ctx);
  42   Type *Int64Ty = Type::getInt64Ty(Ctx);
  43   Type *Float64Ty = Type::getDoubleTy(Ctx);
  44
  45   auto *V16Int8Ty = FixedVectorType::get(Int8Ty, 16);
  46   ASSERT_NE(nullptr, V16Int8Ty);
  47   EXPECT_EQ(V16Int8Ty->getNumElements(), 16U);
  48   EXPECT_EQ(V16Int8Ty->getElementType()->getScalarSizeInBits(), 8U);
  49
  50   auto *V8Int32Ty =
  51       dyn_cast<FixedVectorType>(VectorType::get(Int32Ty, 8, false));
  52   ASSERT_NE(nullptr, V8Int32Ty);
  53   EXPECT_EQ(V8Int32Ty->getNumElements(), 8U);
  54   EXPECT_EQ(V8Int32Ty->getElementType()->getScalarSizeInBits(), 32U);
  55
  56   auto *V8Int8Ty =
  57       dyn_cast<FixedVectorType>(VectorType::get(Int8Ty, V8Int32Ty));
  58   EXPECT_VTY_NE(V8Int32Ty, V8Int8Ty);
  59   EXPECT_EQ(V8Int8Ty->getElementCount(), V8Int32Ty->getElementCount());
  60   EXPECT_EQ(V8Int8Ty->getElementType()->getScalarSizeInBits(), 8U);
  61
  62   auto *V8Int32Ty2 =
  63       dyn_cast<FixedVectorType>(VectorType::get(Int32Ty, V8Int32Ty));
  64   EXPECT_VTY_EQ(V8Int32Ty, V8Int32Ty2);
  65
  66   auto *V8Int16Ty = dyn_cast<FixedVectorType>(
  67       VectorType::get(Int16Ty, ElementCount::getFixed(8)));
  68   ASSERT_NE(nullptr, V8Int16Ty);
  69   EXPECT_EQ(V8Int16Ty->getNumElements(), 8U);
  70   EXPECT_EQ(V8Int16Ty->getElementType()->getScalarSizeInBits(), 16U);
  71
  72   auto EltCnt = ElementCount::getFixed(4);
  73   auto *V4Int64Ty = dyn_cast<FixedVectorType>(VectorType::get(Int64Ty, EltCnt));
  74   ASSERT_NE(nullptr, V4Int64Ty);
  75   EXPECT_EQ(V4Int64Ty->getNumElements(), 4U);
  76   EXPECT_EQ(V4Int64Ty->getElementType()->getScalarSizeInBits(), 64U);
  77
  78   auto *V2Int64Ty = dyn_cast<FixedVectorType>(
  79       VectorType::get(Int64Ty, EltCnt.divideCoefficientBy(2)));
  80   ASSERT_NE(nullptr, V2Int64Ty);
  81   EXPECT_EQ(V2Int64Ty->getNumElements(), 2U);
  82   EXPECT_EQ(V2Int64Ty->getElementType()->getScalarSizeInBits(), 64U);
  83
  84   auto *V8Int64Ty =
  85       dyn_cast<FixedVectorType>(VectorType::get(Int64Ty, EltCnt * 2));
  86   ASSERT_NE(nullptr, V8Int64Ty);
  87   EXPECT_EQ(V8Int64Ty->getNumElements(), 8U);
  88   EXPECT_EQ(V8Int64Ty->getElementType()->getScalarSizeInBits(), 64U);
  89
  90   auto *V4Float64Ty =
  91       dyn_cast<FixedVectorType>(VectorType::get(Float64Ty, EltCnt));
  92   ASSERT_NE(nullptr, V4Float64Ty);
  93   EXPECT_EQ(V4Float64Ty->getNumElements(), 4U);
  94   EXPECT_EQ(V4Float64Ty->getElementType()->getScalarSizeInBits(), 64U);
  95
  96   auto *ExtTy = dyn_cast<FixedVectorType>(
  97       VectorType::getExtendedElementVectorType(V8Int16Ty));
  98   EXPECT_VTY_EQ(ExtTy, V8Int32Ty);
  99   EXPECT_EQ(ExtTy->getNumElements(), 8U);
 100   EXPECT_EQ(ExtTy->getElementType()->getScalarSizeInBits(), 32U);
 101
 102   auto *TruncTy = dyn_cast<FixedVectorType>(
 103       VectorType::getTruncatedElementVectorType(V8Int32Ty));
 104   EXPECT_VTY_EQ(TruncTy, V8Int16Ty);
 105   EXPECT_EQ(TruncTy->getNumElements(), 8U);
 106   EXPECT_EQ(TruncTy->getElementType()->getScalarSizeInBits(), 16U);
 107
 108   auto *HalvedTy = dyn_cast<FixedVectorType>(
 109       VectorType::getHalfElementsVectorType(V4Int64Ty));
 110   EXPECT_VTY_EQ(HalvedTy, V2Int64Ty);
 111   EXPECT_EQ(HalvedTy->getNumElements(), 2U);
 112   EXPECT_EQ(HalvedTy->getElementType()->getScalarSizeInBits(), 64U);
 113
 114   auto *DoubledTy = dyn_cast<FixedVectorType>(
 115       VectorType::getDoubleElementsVectorType(V4Int64Ty));
 116   EXPECT_VTY_EQ(DoubledTy, V8Int64Ty);
 117   EXPECT_EQ(DoubledTy->getNumElements(), 8U);
 118   EXPECT_EQ(DoubledTy->getElementType()->getScalarSizeInBits(), 64U);
 119
 120   auto *ConvTy = dyn_cast<FixedVectorType>(VectorType::getInteger(V4Float64Ty));
 121   EXPECT_VTY_EQ(ConvTy, V4Int64Ty);
 122   EXPECT_EQ(ConvTy->getNumElements(), 4U);
 123   EXPECT_EQ(ConvTy->getElementType()->getScalarSizeInBits(), 64U);
 124
 125   EltCnt = V8Int64Ty->getElementCount();
 126   EXPECT_EQ(EltCnt.getKnownMinValue(), 8U);
 127   ASSERT_FALSE(EltCnt.isScalable());
 128
 129   auto *SubTy = VectorType::getSubdividedVectorType(V4Int64Ty, 2);
 130   EXPECT_EQ(SubTy->getElementCount(), ElementCount::getFixed(16));
 131   EXPECT_TRUE(SubTy->getElementType()->isIntegerTy(16));
 132 }
 133
 134 TEST(VectorTypesTest, Scalable) {
 135   LLVMContext Ctx;
 136
 137   Type *Int8Ty = Type::getInt8Ty(Ctx);
 138   Type *Int16Ty = Type::getInt16Ty(Ctx);
 139   Type *Int32Ty = Type::getInt32Ty(Ctx);
 140   Type *Int64Ty = Type::getInt64Ty(Ctx);
 141   Type *Float64Ty = Type::getDoubleTy(Ctx);
 142
 143   auto *ScV16Int8Ty = ScalableVectorType::get(Int8Ty, 16);
 144   ASSERT_NE(nullptr, ScV16Int8Ty);
 145   EXPECT_EQ(ScV16Int8Ty->getMinNumElements(), 16U);
 146   EXPECT_EQ(ScV16Int8Ty->getScalarSizeInBits(), 8U);
 147
 148   auto *ScV8Int32Ty =
 149       dyn_cast<ScalableVectorType>(VectorType::get(Int32Ty, 8, true));
 150   ASSERT_NE(nullptr, ScV8Int32Ty);
 151   EXPECT_EQ(ScV8Int32Ty->getMinNumElements(), 8U);
 152   EXPECT_EQ(ScV8Int32Ty->getElementType()->getScalarSizeInBits(), 32U);
 153
 154   auto *ScV8Int8Ty =
 155       dyn_cast<ScalableVectorType>(VectorType::get(Int8Ty, ScV8Int32Ty));
 156   EXPECT_VTY_NE(ScV8Int32Ty, ScV8Int8Ty);
 157   EXPECT_EQ(ScV8Int8Ty->getElementCount(), ScV8Int32Ty->getElementCount());
 158   EXPECT_EQ(ScV8Int8Ty->getElementType()->getScalarSizeInBits(), 8U);
 159
 160   auto *ScV8Int32Ty2 =
 161       dyn_cast<ScalableVectorType>(VectorType::get(Int32Ty, ScV8Int32Ty));
 162   EXPECT_VTY_EQ(ScV8Int32Ty, ScV8Int32Ty2);
 163
 164   auto *ScV8Int16Ty = dyn_cast<ScalableVectorType>(
 165       VectorType::get(Int16Ty, ElementCount::getScalable(8)));
 166   ASSERT_NE(nullptr, ScV8Int16Ty);
 167   EXPECT_EQ(ScV8Int16Ty->getMinNumElements(), 8U);
 168   EXPECT_EQ(ScV8Int16Ty->getElementType()->getScalarSizeInBits(), 16U);
 169
 170   auto EltCnt = ElementCount::getScalable(4);
 171   auto *ScV4Int64Ty =
 172       dyn_cast<ScalableVectorType>(VectorType::get(Int64Ty, EltCnt));
 173   ASSERT_NE(nullptr, ScV4Int64Ty);
 174   EXPECT_EQ(ScV4Int64Ty->getMinNumElements(), 4U);
 175   EXPECT_EQ(ScV4Int64Ty->getElementType()->getScalarSizeInBits(), 64U);
 176
 177   auto *ScV2Int64Ty = dyn_cast<ScalableVectorType>(
 178       VectorType::get(Int64Ty, EltCnt.divideCoefficientBy(2)));
 179   ASSERT_NE(nullptr, ScV2Int64Ty);
 180   EXPECT_EQ(ScV2Int64Ty->getMinNumElements(), 2U);
 181   EXPECT_EQ(ScV2Int64Ty->getElementType()->getScalarSizeInBits(), 64U);
 182
 183   auto *ScV8Int64Ty =
 184       dyn_cast<ScalableVectorType>(VectorType::get(Int64Ty, EltCnt * 2));
 185   ASSERT_NE(nullptr, ScV8Int64Ty);
 186   EXPECT_EQ(ScV8Int64Ty->getMinNumElements(), 8U);
 187   EXPECT_EQ(ScV8Int64Ty->getElementType()->getScalarSizeInBits(), 64U);
 188
 189   auto *ScV4Float64Ty =
 190       dyn_cast<ScalableVectorType>(VectorType::get(Float64Ty, EltCnt));
 191   ASSERT_NE(nullptr, ScV4Float64Ty);
 192   EXPECT_EQ(ScV4Float64Ty->getMinNumElements(), 4U);
 193   EXPECT_EQ(ScV4Float64Ty->getElementType()->getScalarSizeInBits(), 64U);
 194
 195   auto *ExtTy = dyn_cast<ScalableVectorType>(
 196       VectorType::getExtendedElementVectorType(ScV8Int16Ty));
 197   EXPECT_VTY_EQ(ExtTy, ScV8Int32Ty);
 198   EXPECT_EQ(ExtTy->getMinNumElements(), 8U);
 199   EXPECT_EQ(ExtTy->getElementType()->getScalarSizeInBits(), 32U);
 200
 201   auto *TruncTy = dyn_cast<ScalableVectorType>(
 202       VectorType::getTruncatedElementVectorType(ScV8Int32Ty));
 203   EXPECT_VTY_EQ(TruncTy, ScV8Int16Ty);
 204   EXPECT_EQ(TruncTy->getMinNumElements(), 8U);
 205   EXPECT_EQ(TruncTy->getElementType()->getScalarSizeInBits(), 16U);
 206
 207   auto *HalvedTy = dyn_cast<ScalableVectorType>(
 208       VectorType::getHalfElementsVectorType(ScV4Int64Ty));
 209   EXPECT_VTY_EQ(HalvedTy, ScV2Int64Ty);
 210   EXPECT_EQ(HalvedTy->getMinNumElements(), 2U);
 211   EXPECT_EQ(HalvedTy->getElementType()->getScalarSizeInBits(), 64U);
 212
 213   auto *DoubledTy = dyn_cast<ScalableVectorType>(
 214       VectorType::getDoubleElementsVectorType(ScV4Int64Ty));
 215   EXPECT_VTY_EQ(DoubledTy, ScV8Int64Ty);
 216   EXPECT_EQ(DoubledTy->getMinNumElements(), 8U);
 217   EXPECT_EQ(DoubledTy->getElementType()->getScalarSizeInBits(), 64U);
 218
 219   auto *ConvTy =
 220       dyn_cast<ScalableVectorType>(VectorType::getInteger(ScV4Float64Ty));
 221   EXPECT_VTY_EQ(ConvTy, ScV4Int64Ty);
 222   EXPECT_EQ(ConvTy->getMinNumElements(), 4U);
 223   EXPECT_EQ(ConvTy->getElementType()->getScalarSizeInBits(), 64U);
 224
 225   EltCnt = ScV8Int64Ty->getElementCount();
 226   EXPECT_EQ(EltCnt.getKnownMinValue(), 8U);
 227   ASSERT_TRUE(EltCnt.isScalable());
 228 }
 229
 230 TEST(VectorTypesTest, BaseVectorType) {
 231   LLVMContext Ctx;
 232
 233   Type *Int16Ty = Type::getInt16Ty(Ctx);
 234   Type *Int32Ty = Type::getInt32Ty(Ctx);
 235
 236   std::array<VectorType *, 8> VTys = {
 237       VectorType::get(Int16Ty, ElementCount::getScalable(4)),
 238       VectorType::get(Int16Ty, ElementCount::getFixed(4)),
 239       VectorType::get(Int16Ty, ElementCount::getScalable(2)),
 240       VectorType::get(Int16Ty, ElementCount::getFixed(2)),
 241       VectorType::get(Int32Ty, ElementCount::getScalable(4)),
 242       VectorType::get(Int32Ty, ElementCount::getFixed(4)),
 243       VectorType::get(Int32Ty, ElementCount::getScalable(2)),
 244       VectorType::get(Int32Ty, ElementCount::getFixed(2))};
 245
 246   /*
 247     The comparison matrix is symmetric, so we only check the upper triangle:
 248
 249     (0,0) (0,1) (0,2) ... (0,7)
 250     (1,0) (1,1) (1,2)         .
 251     (2,0) (2,1) (2,2)         .
 252     .                 .       .
 253     .                  .
 254     .                   .
 255     (7,0) ...             (7,7)
 256   */
 257   for (size_t I = 0, IEnd = VTys.size(); I < IEnd; ++I) {
 258     // test I == J
 259     VectorType *VI = VTys[I];
 260     ElementCount ECI = VI->getElementCount();
 261     EXPECT_EQ(isa<ScalableVectorType>(VI), ECI.isScalable());
 262
 263     for (size_t J = I + 1, JEnd = VTys.size(); J < JEnd; ++J) {
 264       // test I < J
 265       VectorType *VJ = VTys[J];
 266       EXPECT_VTY_NE(VI, VJ);
 267
 268       VectorType *VJPrime = VectorType::get(VI->getElementType(), VJ);
 269       if (VI->getElementType() == VJ->getElementType()) {
 270         EXPECT_VTY_EQ(VJ, VJPrime);
 271       } else {
 272         EXPECT_VTY_NE(VJ, VJPrime);
 273       }
 274
 275       EXPECT_EQ(VJ->getTypeID(), VJPrime->getTypeID())
 276           << "VJ and VJPrime are the same sort of vector";
 277     }
 278   }
 279 }
 280
 281 TEST(VectorTypesTest, FixedLenComparisons) {
 282   LLVMContext Ctx;
 283   DataLayout DL;
 284
 285   Type *Int32Ty = Type::getInt32Ty(Ctx);
 286   Type *Int64Ty = Type::getInt64Ty(Ctx);
 287
 288   auto *V2Int32Ty = FixedVectorType::get(Int32Ty, 2);
 289   auto *V4Int32Ty = FixedVectorType::get(Int32Ty, 4);
 290
 291   auto *V2Int64Ty = FixedVectorType::get(Int64Ty, 2);
 292
 293   TypeSize V2I32Len = V2Int32Ty->getPrimitiveSizeInBits();
 294   EXPECT_EQ(V2I32Len.getKnownMinValue(), 64U);
 295   EXPECT_FALSE(V2I32Len.isScalable());
 296
 297   EXPECT_LT(V2Int32Ty->getPrimitiveSizeInBits().getFixedValue(),
 298             V4Int32Ty->getPrimitiveSizeInBits().getFixedValue());
 299   EXPECT_GT(V2Int64Ty->getPrimitiveSizeInBits().getFixedValue(),
 300             V2Int32Ty->getPrimitiveSizeInBits().getFixedValue());
 301   EXPECT_EQ(V4Int32Ty->getPrimitiveSizeInBits(),
 302             V2Int64Ty->getPrimitiveSizeInBits());
 303   EXPECT_NE(V2Int32Ty->getPrimitiveSizeInBits(),
 304             V2Int64Ty->getPrimitiveSizeInBits());
 305
 306   // Check that a fixed-only comparison works for fixed size vectors.
 307   EXPECT_EQ(V2Int64Ty->getPrimitiveSizeInBits().getFixedValue(),
 308             V4Int32Ty->getPrimitiveSizeInBits().getFixedValue());
 309
 310   // Check the DataLayout interfaces.
 311   EXPECT_EQ(DL.getTypeSizeInBits(V2Int64Ty), DL.getTypeSizeInBits(V4Int32Ty));
 312   EXPECT_EQ(DL.getTypeSizeInBits(V2Int32Ty), 64U);
 313   EXPECT_EQ(DL.getTypeSizeInBits(V2Int64Ty), 128U);
 314   EXPECT_EQ(DL.getTypeStoreSize(V2Int64Ty), DL.getTypeStoreSize(V4Int32Ty));
 315   EXPECT_NE(DL.getTypeStoreSizeInBits(V2Int32Ty),
 316             DL.getTypeStoreSizeInBits(V2Int64Ty));
 317   EXPECT_EQ(DL.getTypeStoreSizeInBits(V2Int32Ty), 64U);
 318   EXPECT_EQ(DL.getTypeStoreSize(V2Int64Ty), 16U);
 319   EXPECT_EQ(DL.getTypeAllocSize(V4Int32Ty), DL.getTypeAllocSize(V2Int64Ty));
 320   EXPECT_NE(DL.getTypeAllocSizeInBits(V2Int32Ty),
 321             DL.getTypeAllocSizeInBits(V2Int64Ty));
 322   EXPECT_EQ(DL.getTypeAllocSizeInBits(V4Int32Ty), 128U);
 323   EXPECT_EQ(DL.getTypeAllocSize(V2Int32Ty), 8U);
 324   ASSERT_TRUE(DL.typeSizeEqualsStoreSize(V4Int32Ty));
 325 }
 326
 327 TEST(VectorTypesTest, ScalableComparisons) {
 328   LLVMContext Ctx;
 329   DataLayout DL;
 330
 331   Type *Int32Ty = Type::getInt32Ty(Ctx);
 332   Type *Int64Ty = Type::getInt64Ty(Ctx);
 333
 334   auto *ScV2Int32Ty = ScalableVectorType::get(Int32Ty, 2);
 335   auto *ScV4Int32Ty = ScalableVectorType::get(Int32Ty, 4);
 336
 337   auto *ScV2Int64Ty = ScalableVectorType::get(Int64Ty, 2);
 338
 339   TypeSize ScV2I32Len = ScV2Int32Ty->getPrimitiveSizeInBits();
 340   EXPECT_EQ(ScV2I32Len.getKnownMinValue(), 64U);
 341   EXPECT_TRUE(ScV2I32Len.isScalable());
 342
 343   EXPECT_LT(ScV2Int32Ty->getPrimitiveSizeInBits().getKnownMinValue(),
 344             ScV4Int32Ty->getPrimitiveSizeInBits().getKnownMinValue());
 345   EXPECT_GT(ScV2Int64Ty->getPrimitiveSizeInBits().getKnownMinValue(),
 346             ScV2Int32Ty->getPrimitiveSizeInBits().getKnownMinValue());
 347   EXPECT_EQ(ScV4Int32Ty->getPrimitiveSizeInBits().getKnownMinValue(),
 348             ScV2Int64Ty->getPrimitiveSizeInBits().getKnownMinValue());
 349   EXPECT_NE(ScV2Int32Ty->getPrimitiveSizeInBits().getKnownMinValue(),
 350             ScV2Int64Ty->getPrimitiveSizeInBits().getKnownMinValue());
 351
 352   // Check the DataLayout interfaces.
 353   EXPECT_EQ(DL.getTypeSizeInBits(ScV2Int64Ty),
 354             DL.getTypeSizeInBits(ScV4Int32Ty));
 355   EXPECT_EQ(DL.getTypeSizeInBits(ScV2Int32Ty).getKnownMinValue(), 64U);
 356   EXPECT_EQ(DL.getTypeStoreSize(ScV2Int64Ty), DL.getTypeStoreSize(ScV4Int32Ty));
 357   EXPECT_NE(DL.getTypeStoreSizeInBits(ScV2Int32Ty),
 358             DL.getTypeStoreSizeInBits(ScV2Int64Ty));
 359   EXPECT_EQ(DL.getTypeStoreSizeInBits(ScV2Int32Ty).getKnownMinValue(), 64U);
 360   EXPECT_EQ(DL.getTypeStoreSize(ScV2Int64Ty).getKnownMinValue(), 16U);
 361   EXPECT_EQ(DL.getTypeAllocSize(ScV4Int32Ty), DL.getTypeAllocSize(ScV2Int64Ty));
 362   EXPECT_NE(DL.getTypeAllocSizeInBits(ScV2Int32Ty),
 363             DL.getTypeAllocSizeInBits(ScV2Int64Ty));
 364   EXPECT_EQ(DL.getTypeAllocSizeInBits(ScV4Int32Ty).getKnownMinValue(), 128U);
 365   EXPECT_EQ(DL.getTypeAllocSize(ScV2Int32Ty).getKnownMinValue(), 8U);
 366   ASSERT_TRUE(DL.typeSizeEqualsStoreSize(ScV4Int32Ty));
 367 }
 368
 369 TEST(VectorTypesTest, CrossComparisons) {
 370   LLVMContext Ctx;
 371
 372   Type *Int32Ty = Type::getInt32Ty(Ctx);
 373
 374   auto *V4Int32Ty = FixedVectorType::get(Int32Ty, 4);
 375   auto *ScV4Int32Ty = ScalableVectorType::get(Int32Ty, 4);
 376
 377   // Even though the minimum size is the same, a scalable vector could be
 378   // larger so we don't consider them to be the same size.
 379   EXPECT_NE(V4Int32Ty->getPrimitiveSizeInBits(),
 380             ScV4Int32Ty->getPrimitiveSizeInBits());
 381   // If we are only checking the minimum, then they are the same size.
 382   EXPECT_EQ(V4Int32Ty->getPrimitiveSizeInBits().getKnownMinValue(),
 383             ScV4Int32Ty->getPrimitiveSizeInBits().getKnownMinValue());
 384
 385   // We can't use ordering comparisons (<,<=,>,>=) between scalable and
 386   // non-scalable vector sizes.
 387 }
 388
 389 } // end anonymous namespace