65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
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//===- InstructionCostTest.cpp - InstructionCost tests --------------------===//
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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/Support/InstructionCost.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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struct CostTest : public testing::Test {
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CostTest() {}
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};
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} // namespace
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TEST_F(CostTest, Operators) {
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InstructionCost VThree = 3;
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InstructionCost VNegTwo = -2;
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InstructionCost VSix = 6;
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InstructionCost IThreeA = InstructionCost::getInvalid(3);
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InstructionCost IThreeB = InstructionCost::getInvalid(3);
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InstructionCost TmpCost;
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EXPECT_NE(VThree, VNegTwo);
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EXPECT_GT(VThree, VNegTwo);
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EXPECT_NE(VThree, IThreeA);
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EXPECT_EQ(IThreeA, IThreeB);
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EXPECT_GE(IThreeA, VNegTwo);
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EXPECT_LT(VSix, IThreeA);
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EXPECT_EQ(VSix - IThreeA, IThreeB);
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EXPECT_EQ(VThree - VNegTwo, 5);
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EXPECT_EQ(VThree * VNegTwo, -6);
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EXPECT_EQ(VSix / VThree, 2);
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EXPECT_FALSE(IThreeA.isValid());
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EXPECT_EQ(IThreeA.getState(), InstructionCost::Invalid);
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TmpCost = VThree + IThreeA;
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EXPECT_FALSE(TmpCost.isValid());
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// Test increments, decrements
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EXPECT_EQ(++VThree, 4);
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EXPECT_EQ(VThree++, 4);
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EXPECT_EQ(VThree, 5);
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EXPECT_EQ(--VThree, 4);
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EXPECT_EQ(VThree--, 4);
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EXPECT_EQ(VThree, 3);
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TmpCost = VThree * IThreeA;
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EXPECT_FALSE(TmpCost.isValid());
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// Test value extraction
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EXPECT_EQ(*(VThree.getValue()), 3);
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EXPECT_EQ(IThreeA.getValue(), None);
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EXPECT_EQ(std::min(VThree, VNegTwo), -2);
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EXPECT_EQ(std::max(VThree, VSix), 6);
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}
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