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89 lines
3.6 KiB
C++
89 lines
3.6 KiB
C++
//===- Cloning.cpp - Unit tests for the Cloner ----------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "gtest/gtest.h"
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#include "llvm/Argument.h"
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#include "llvm/Instructions.h"
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#include "llvm/LLVMContext.h"
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using namespace llvm;
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TEST(CloneInstruction, OverflowBits) {
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LLVMContext context;
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Value *V = new Argument(Type::getInt32Ty(context));
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BinaryOperator *Add = BinaryOperator::Create(Instruction::Add, V, V);
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BinaryOperator *Sub = BinaryOperator::Create(Instruction::Sub, V, V);
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BinaryOperator *Mul = BinaryOperator::Create(Instruction::Mul, V, V);
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EXPECT_FALSE(cast<BinaryOperator>(Add->clone())->hasNoUnsignedWrap());
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EXPECT_FALSE(cast<BinaryOperator>(Add->clone())->hasNoSignedWrap());
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EXPECT_FALSE(cast<BinaryOperator>(Sub->clone())->hasNoUnsignedWrap());
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EXPECT_FALSE(cast<BinaryOperator>(Sub->clone())->hasNoSignedWrap());
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EXPECT_FALSE(cast<BinaryOperator>(Mul->clone())->hasNoUnsignedWrap());
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EXPECT_FALSE(cast<BinaryOperator>(Mul->clone())->hasNoSignedWrap());
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Add->setHasNoUnsignedWrap();
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Sub->setHasNoUnsignedWrap();
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Mul->setHasNoUnsignedWrap();
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EXPECT_TRUE(cast<BinaryOperator>(Add->clone())->hasNoUnsignedWrap());
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EXPECT_FALSE(cast<BinaryOperator>(Add->clone())->hasNoSignedWrap());
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EXPECT_TRUE(cast<BinaryOperator>(Sub->clone())->hasNoUnsignedWrap());
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EXPECT_FALSE(cast<BinaryOperator>(Sub->clone())->hasNoSignedWrap());
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EXPECT_TRUE(cast<BinaryOperator>(Mul->clone())->hasNoUnsignedWrap());
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EXPECT_FALSE(cast<BinaryOperator>(Mul->clone())->hasNoSignedWrap());
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Add->setHasNoSignedWrap();
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Sub->setHasNoSignedWrap();
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Mul->setHasNoSignedWrap();
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EXPECT_TRUE(cast<BinaryOperator>(Add->clone())->hasNoUnsignedWrap());
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EXPECT_TRUE(cast<BinaryOperator>(Add->clone())->hasNoSignedWrap());
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EXPECT_TRUE(cast<BinaryOperator>(Sub->clone())->hasNoUnsignedWrap());
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EXPECT_TRUE(cast<BinaryOperator>(Sub->clone())->hasNoSignedWrap());
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EXPECT_TRUE(cast<BinaryOperator>(Mul->clone())->hasNoUnsignedWrap());
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EXPECT_TRUE(cast<BinaryOperator>(Mul->clone())->hasNoSignedWrap());
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Add->setHasNoUnsignedWrap(false);
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Sub->setHasNoUnsignedWrap(false);
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Mul->setHasNoUnsignedWrap(false);
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EXPECT_FALSE(cast<BinaryOperator>(Add->clone())->hasNoUnsignedWrap());
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EXPECT_TRUE(cast<BinaryOperator>(Add->clone())->hasNoSignedWrap());
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EXPECT_FALSE(cast<BinaryOperator>(Sub->clone())->hasNoUnsignedWrap());
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EXPECT_TRUE(cast<BinaryOperator>(Sub->clone())->hasNoSignedWrap());
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EXPECT_FALSE(cast<BinaryOperator>(Mul->clone())->hasNoUnsignedWrap());
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EXPECT_TRUE(cast<BinaryOperator>(Mul->clone())->hasNoSignedWrap());
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}
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TEST(CloneInstruction, Inbounds) {
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LLVMContext context;
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Value *V = new Argument(Type::getInt32PtrTy(context));
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Constant *Z = Constant::getNullValue(Type::getInt32Ty(context));
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std::vector<Value *> ops;
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ops.push_back(Z);
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GetElementPtrInst *GEP = GetElementPtrInst::Create(V, ops.begin(), ops.end());
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EXPECT_FALSE(cast<GetElementPtrInst>(GEP->clone())->isInBounds());
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GEP->setIsInBounds();
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EXPECT_TRUE(cast<GetElementPtrInst>(GEP->clone())->isInBounds());
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}
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TEST(CloneInstruction, Exact) {
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LLVMContext context;
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Value *V = new Argument(Type::getInt32Ty(context));
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BinaryOperator *SDiv = BinaryOperator::Create(Instruction::SDiv, V, V);
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EXPECT_FALSE(cast<BinaryOperator>(SDiv->clone())->isExact());
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SDiv->setIsExact(true);
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EXPECT_TRUE(cast<BinaryOperator>(SDiv->clone())->isExact());
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}
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