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