| //===-------- llvm/unittest/CodeGen/ScalableVectorMVTsTest.cpp ------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/CodeGen/ValueTypes.h" |
| #include "llvm/IR/DerivedTypes.h" |
| #include "llvm/IR/LLVMContext.h" |
| #include "llvm/Support/MachineValueType.h" |
| #include "llvm/Support/TypeSize.h" |
| #include "gtest/gtest.h" |
| |
| using namespace llvm; |
| |
| namespace { |
| |
| TEST(ScalableVectorMVTsTest, IntegerMVTs) { |
| for (auto VecTy : MVT::integer_scalable_vector_valuetypes()) { |
| ASSERT_TRUE(VecTy.isValid()); |
| ASSERT_TRUE(VecTy.isInteger()); |
| ASSERT_TRUE(VecTy.isVector()); |
| ASSERT_TRUE(VecTy.isScalableVector()); |
| ASSERT_TRUE(VecTy.getScalarType().isValid()); |
| |
| ASSERT_FALSE(VecTy.isFloatingPoint()); |
| } |
| } |
| |
| TEST(ScalableVectorMVTsTest, FloatMVTs) { |
| for (auto VecTy : MVT::fp_scalable_vector_valuetypes()) { |
| ASSERT_TRUE(VecTy.isValid()); |
| ASSERT_TRUE(VecTy.isFloatingPoint()); |
| ASSERT_TRUE(VecTy.isVector()); |
| ASSERT_TRUE(VecTy.isScalableVector()); |
| ASSERT_TRUE(VecTy.getScalarType().isValid()); |
| |
| ASSERT_FALSE(VecTy.isInteger()); |
| } |
| } |
| |
| TEST(ScalableVectorMVTsTest, HelperFuncs) { |
| LLVMContext Ctx; |
| |
| // Create with scalable flag |
| EVT Vnx4i32 = EVT::getVectorVT(Ctx, MVT::i32, 4, /*Scalable=*/true); |
| ASSERT_TRUE(Vnx4i32.isScalableVector()); |
| |
| // Create with separate llvm::ElementCount |
| auto EltCnt = ElementCount(2, true); |
| EVT Vnx2i32 = EVT::getVectorVT(Ctx, MVT::i32, EltCnt); |
| ASSERT_TRUE(Vnx2i32.isScalableVector()); |
| |
| // Create with inline llvm::ElementCount |
| EVT Vnx2i64 = EVT::getVectorVT(Ctx, MVT::i64, {2, true}); |
| ASSERT_TRUE(Vnx2i64.isScalableVector()); |
| |
| // Check that changing scalar types/element count works |
| EXPECT_EQ(Vnx2i32.widenIntegerVectorElementType(Ctx), Vnx2i64); |
| EXPECT_EQ(Vnx4i32.getHalfNumVectorElementsVT(Ctx), Vnx2i32); |
| |
| // Check that overloaded '*' and '/' operators work |
| EXPECT_EQ(EVT::getVectorVT(Ctx, MVT::i64, EltCnt * 2), MVT::nxv4i64); |
| EXPECT_EQ(EVT::getVectorVT(Ctx, MVT::i64, EltCnt / 2), MVT::nxv1i64); |
| |
| // Check that float->int conversion works |
| EVT Vnx2f64 = EVT::getVectorVT(Ctx, MVT::f64, {2, true}); |
| EXPECT_EQ(Vnx2f64.changeTypeToInteger(), Vnx2i64); |
| |
| // Check fields inside llvm::ElementCount |
| EltCnt = Vnx4i32.getVectorElementCount(); |
| EXPECT_EQ(EltCnt.Min, 4U); |
| ASSERT_TRUE(EltCnt.Scalable); |
| |
| // Check that fixed-length vector types aren't scalable. |
| EVT V8i32 = EVT::getVectorVT(Ctx, MVT::i32, 8); |
| ASSERT_FALSE(V8i32.isScalableVector()); |
| EVT V4f64 = EVT::getVectorVT(Ctx, MVT::f64, {4, false}); |
| ASSERT_FALSE(V4f64.isScalableVector()); |
| |
| // Check that llvm::ElementCount works for fixed-length types. |
| EltCnt = V8i32.getVectorElementCount(); |
| EXPECT_EQ(EltCnt.Min, 8U); |
| ASSERT_FALSE(EltCnt.Scalable); |
| } |
| |
| TEST(ScalableVectorMVTsTest, IRToVTTranslation) { |
| LLVMContext Ctx; |
| |
| Type *Int64Ty = Type::getInt64Ty(Ctx); |
| VectorType *ScV8Int64Ty = VectorType::get(Int64Ty, {8, true}); |
| |
| // Check that we can map a scalable IR type to an MVT |
| MVT Mnxv8i64 = MVT::getVT(ScV8Int64Ty); |
| ASSERT_TRUE(Mnxv8i64.isScalableVector()); |
| ASSERT_EQ(ScV8Int64Ty->getElementCount(), Mnxv8i64.getVectorElementCount()); |
| ASSERT_EQ(MVT::getVT(ScV8Int64Ty->getElementType()), |
| Mnxv8i64.getScalarType()); |
| |
| // Check that we can map a scalable IR type to an EVT |
| EVT Enxv8i64 = EVT::getEVT(ScV8Int64Ty); |
| ASSERT_TRUE(Enxv8i64.isScalableVector()); |
| ASSERT_EQ(ScV8Int64Ty->getElementCount(), Enxv8i64.getVectorElementCount()); |
| ASSERT_EQ(EVT::getEVT(ScV8Int64Ty->getElementType()), |
| Enxv8i64.getScalarType()); |
| } |
| |
| TEST(ScalableVectorMVTsTest, VTToIRTranslation) { |
| LLVMContext Ctx; |
| |
| EVT Enxv4f64 = EVT::getVectorVT(Ctx, MVT::f64, {4, true}); |
| |
| Type *Ty = Enxv4f64.getTypeForEVT(Ctx); |
| VectorType *ScV4Float64Ty = cast<VectorType>(Ty); |
| ASSERT_TRUE(ScV4Float64Ty->isScalable()); |
| ASSERT_EQ(Enxv4f64.getVectorElementCount(), ScV4Float64Ty->getElementCount()); |
| ASSERT_EQ(Enxv4f64.getScalarType().getTypeForEVT(Ctx), |
| ScV4Float64Ty->getElementType()); |
| } |
| |
| } // end anonymous namespace |