88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
//===-------- llvm/unittest/CodeGen/ScalableVectorMVTsTest.cpp ------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/ValueTypes.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/Support/MachineValueType.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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TEST(ScalableVectorMVTsTest, IntegerMVTs) {
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for (auto VecTy : MVT::integer_scalable_vector_valuetypes()) {
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ASSERT_TRUE(VecTy.isValid());
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ASSERT_TRUE(VecTy.isInteger());
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ASSERT_TRUE(VecTy.isVector());
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ASSERT_TRUE(VecTy.isScalableVector());
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ASSERT_TRUE(VecTy.getScalarType().isValid());
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ASSERT_FALSE(VecTy.isFloatingPoint());
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}
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}
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TEST(ScalableVectorMVTsTest, FloatMVTs) {
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for (auto VecTy : MVT::fp_scalable_vector_valuetypes()) {
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ASSERT_TRUE(VecTy.isValid());
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ASSERT_TRUE(VecTy.isFloatingPoint());
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ASSERT_TRUE(VecTy.isVector());
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ASSERT_TRUE(VecTy.isScalableVector());
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ASSERT_TRUE(VecTy.getScalarType().isValid());
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ASSERT_FALSE(VecTy.isInteger());
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}
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}
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TEST(ScalableVectorMVTsTest, HelperFuncs) {
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LLVMContext Ctx;
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// Create with scalable flag
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EVT Vnx4i32 = EVT::getVectorVT(Ctx, MVT::i32, 4, /*Scalable=*/true);
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ASSERT_TRUE(Vnx4i32.isScalableVector());
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// Create with separate MVT::ElementCount
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auto EltCnt = MVT::ElementCount(2, true);
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EVT Vnx2i32 = EVT::getVectorVT(Ctx, MVT::i32, EltCnt);
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ASSERT_TRUE(Vnx2i32.isScalableVector());
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// Create with inline MVT::ElementCount
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EVT Vnx2i64 = EVT::getVectorVT(Ctx, MVT::i64, {2, true});
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ASSERT_TRUE(Vnx2i64.isScalableVector());
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// Check that changing scalar types/element count works
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EXPECT_EQ(Vnx2i32.widenIntegerVectorElementType(Ctx), Vnx2i64);
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EXPECT_EQ(Vnx4i32.getHalfNumVectorElementsVT(Ctx), Vnx2i32);
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// Check that overloaded '*' and '/' operators work
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EXPECT_EQ(EVT::getVectorVT(Ctx, MVT::i64, EltCnt * 2), MVT::nxv4i64);
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EXPECT_EQ(EVT::getVectorVT(Ctx, MVT::i64, EltCnt / 2), MVT::nxv1i64);
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// Check that float->int conversion works
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EVT Vnx2f64 = EVT::getVectorVT(Ctx, MVT::f64, {2, true});
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EXPECT_EQ(Vnx2f64.changeTypeToInteger(), Vnx2i64);
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// Check fields inside MVT::ElementCount
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EltCnt = Vnx4i32.getVectorElementCount();
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EXPECT_EQ(EltCnt.Min, 4U);
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ASSERT_TRUE(EltCnt.Scalable);
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// Check that fixed-length vector types aren't scalable.
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EVT V8i32 = EVT::getVectorVT(Ctx, MVT::i32, 8);
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ASSERT_FALSE(V8i32.isScalableVector());
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EVT V4f64 = EVT::getVectorVT(Ctx, MVT::f64, {4, false});
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ASSERT_FALSE(V4f64.isScalableVector());
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// Check that MVT::ElementCount works for fixed-length types.
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EltCnt = V8i32.getVectorElementCount();
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EXPECT_EQ(EltCnt.Min, 8U);
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ASSERT_FALSE(EltCnt.Scalable);
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}
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}
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