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Teach this test not to leak. Also, clean up all the cast<BinaryOperator> cruft.

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llvm-svn: 98446
This commit is contained in:
Nick Lewycky 2010-03-13 19:58:26 +00:00
parent 661d89861c
commit 2b795f8940
1 changed files with 89 additions and 36 deletions
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125
unittests/Transforms/Utils/Cloning.cpp
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@ -11,78 +11,131 @@
#include "llvm/Argument.h"
#include "llvm/Instructions.h"
#include "llvm/LLVMContext.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/STLExtras.h"
using namespace llvm;
TEST(CloneInstruction, OverflowBits) {
class CloneInstruction : public ::testing::Test {
protected:
virtual void SetUp() {
V = NULL;
}
template <typename T>
T *clone(T *V1) {
Value *V2 = V1->clone();
Orig.insert(V1);
Clones.insert(V2);
return cast<T>(V2);
}
void eraseClones() {
DeleteContainerPointers(Clones);
}
virtual void TearDown() {
eraseClones();
DeleteContainerPointers(Orig);
delete V;
}
SmallPtrSet<Value *, 4> Orig; // Erase on exit
SmallPtrSet<Value *, 4> Clones; // Erase in eraseClones
LLVMContext context;
Value *V = new Argument(Type::getInt32Ty(context));
Value *V;
};
TEST_F(CloneInstruction, OverflowBits) {
V = new Argument(Type::getInt32Ty(context));
BinaryOperator *Add = BinaryOperator::Create(Instruction::Add, V, V);
BinaryOperator *Sub = BinaryOperator::Create(Instruction::Sub, V, V);
BinaryOperator *Mul = BinaryOperator::Create(Instruction::Mul, V, V);
EXPECT_FALSE(cast<BinaryOperator>(Add->clone())->hasNoUnsignedWrap());
EXPECT_FALSE(cast<BinaryOperator>(Add->clone())->hasNoSignedWrap());
EXPECT_FALSE(cast<BinaryOperator>(Sub->clone())->hasNoUnsignedWrap());
EXPECT_FALSE(cast<BinaryOperator>(Sub->clone())->hasNoSignedWrap());
EXPECT_FALSE(cast<BinaryOperator>(Mul->clone())->hasNoUnsignedWrap());
EXPECT_FALSE(cast<BinaryOperator>(Mul->clone())->hasNoSignedWrap());
BinaryOperator *AddClone = this->clone(Add);
BinaryOperator *SubClone = this->clone(Sub);
BinaryOperator *MulClone = this->clone(Mul);
EXPECT_FALSE(AddClone->hasNoUnsignedWrap());
EXPECT_FALSE(AddClone->hasNoSignedWrap());
EXPECT_FALSE(SubClone->hasNoUnsignedWrap());
EXPECT_FALSE(SubClone->hasNoSignedWrap());
EXPECT_FALSE(MulClone->hasNoUnsignedWrap());
EXPECT_FALSE(MulClone->hasNoSignedWrap());
eraseClones();
Add->setHasNoUnsignedWrap();
Sub->setHasNoUnsignedWrap();
Mul->setHasNoUnsignedWrap();
EXPECT_TRUE(cast<BinaryOperator>(Add->clone())->hasNoUnsignedWrap());
EXPECT_FALSE(cast<BinaryOperator>(Add->clone())->hasNoSignedWrap());
EXPECT_TRUE(cast<BinaryOperator>(Sub->clone())->hasNoUnsignedWrap());
EXPECT_FALSE(cast<BinaryOperator>(Sub->clone())->hasNoSignedWrap());
EXPECT_TRUE(cast<BinaryOperator>(Mul->clone())->hasNoUnsignedWrap());
EXPECT_FALSE(cast<BinaryOperator>(Mul->clone())->hasNoSignedWrap());
AddClone = this->clone(Add);
SubClone = this->clone(Sub);
MulClone = this->clone(Mul);
EXPECT_TRUE(AddClone->hasNoUnsignedWrap());
EXPECT_FALSE(AddClone->hasNoSignedWrap());
EXPECT_TRUE(SubClone->hasNoUnsignedWrap());
EXPECT_FALSE(SubClone->hasNoSignedWrap());
EXPECT_TRUE(MulClone->hasNoUnsignedWrap());
EXPECT_FALSE(MulClone->hasNoSignedWrap());
eraseClones();
Add->setHasNoSignedWrap();
Sub->setHasNoSignedWrap();
Mul->setHasNoSignedWrap();
EXPECT_TRUE(cast<BinaryOperator>(Add->clone())->hasNoUnsignedWrap());
EXPECT_TRUE(cast<BinaryOperator>(Add->clone())->hasNoSignedWrap());
EXPECT_TRUE(cast<BinaryOperator>(Sub->clone())->hasNoUnsignedWrap());
EXPECT_TRUE(cast<BinaryOperator>(Sub->clone())->hasNoSignedWrap());
EXPECT_TRUE(cast<BinaryOperator>(Mul->clone())->hasNoUnsignedWrap());
EXPECT_TRUE(cast<BinaryOperator>(Mul->clone())->hasNoSignedWrap());
AddClone = this->clone(Add);
SubClone = this->clone(Sub);
MulClone = this->clone(Mul);
EXPECT_TRUE(AddClone->hasNoUnsignedWrap());
EXPECT_TRUE(AddClone->hasNoSignedWrap());
EXPECT_TRUE(SubClone->hasNoUnsignedWrap());
EXPECT_TRUE(SubClone->hasNoSignedWrap());
EXPECT_TRUE(MulClone->hasNoUnsignedWrap());
EXPECT_TRUE(MulClone->hasNoSignedWrap());
eraseClones();
Add->setHasNoUnsignedWrap(false);
Sub->setHasNoUnsignedWrap(false);
Mul->setHasNoUnsignedWrap(false);
EXPECT_FALSE(cast<BinaryOperator>(Add->clone())->hasNoUnsignedWrap());
EXPECT_TRUE(cast<BinaryOperator>(Add->clone())->hasNoSignedWrap());
EXPECT_FALSE(cast<BinaryOperator>(Sub->clone())->hasNoUnsignedWrap());
EXPECT_TRUE(cast<BinaryOperator>(Sub->clone())->hasNoSignedWrap());
EXPECT_FALSE(cast<BinaryOperator>(Mul->clone())->hasNoUnsignedWrap());
EXPECT_TRUE(cast<BinaryOperator>(Mul->clone())->hasNoSignedWrap());
AddClone = this->clone(Add);
SubClone = this->clone(Sub);
MulClone = this->clone(Mul);
EXPECT_FALSE(AddClone->hasNoUnsignedWrap());
EXPECT_TRUE(AddClone->hasNoSignedWrap());
EXPECT_FALSE(SubClone->hasNoUnsignedWrap());
EXPECT_TRUE(SubClone->hasNoSignedWrap());
EXPECT_FALSE(MulClone->hasNoUnsignedWrap());
EXPECT_TRUE(MulClone->hasNoSignedWrap());
}
TEST(CloneInstruction, Inbounds) {
LLVMContext context;
Value *V = new Argument(Type::getInt32PtrTy(context));
TEST_F(CloneInstruction, Inbounds) {
V = new Argument(Type::getInt32PtrTy(context));
Constant *Z = Constant::getNullValue(Type::getInt32Ty(context));
std::vector<Value *> ops;
ops.push_back(Z);
GetElementPtrInst *GEP = GetElementPtrInst::Create(V, ops.begin(), ops.end());
EXPECT_FALSE(cast<GetElementPtrInst>(GEP->clone())->isInBounds());
EXPECT_FALSE(this->clone(GEP)->isInBounds());
GEP->setIsInBounds();
EXPECT_TRUE(cast<GetElementPtrInst>(GEP->clone())->isInBounds());
EXPECT_TRUE(this->clone(GEP)->isInBounds());
}
TEST(CloneInstruction, Exact) {
LLVMContext context;
Value *V = new Argument(Type::getInt32Ty(context));
TEST_F(CloneInstruction, Exact) {
V = new Argument(Type::getInt32Ty(context));
BinaryOperator *SDiv = BinaryOperator::Create(Instruction::SDiv, V, V);
EXPECT_FALSE(cast<BinaryOperator>(SDiv->clone())->isExact());
EXPECT_FALSE(this->clone(SDiv)->isExact());
SDiv->setIsExact(true);
EXPECT_TRUE(cast<BinaryOperator>(SDiv->clone())->isExact());
EXPECT_TRUE(this->clone(SDiv)->isExact());
}