//
//===----------------------------------------------------------------------===//
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/IR/Argument.h"
+#include "llvm/IR/Constant.h"
+#include "llvm/IR/Function.h"
+#include "llvm/IR/Instructions.h"
+#include "llvm/IR/IRBuilder.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/Transforms/Utils/Cloning.h"
#include "gtest/gtest.h"
-#include "llvm/Argument.h"
-#include "llvm/Instructions.h"
-#include "llvm/LLVMContext.h"
using namespace llvm;
-TEST(CloneInstruction, OverflowBits) {
+namespace {
+
+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());
+ GetElementPtrInst *GEP = GetElementPtrInst::Create(V, ops);
+ 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());
+}
+
+TEST_F(CloneInstruction, Attributes) {
+ Type *ArgTy1[] = { Type::getInt32PtrTy(context) };
+ FunctionType *FT1 = FunctionType::get(Type::getVoidTy(context), ArgTy1, false);
+
+ Function *F1 = Function::Create(FT1, Function::ExternalLinkage);
+ BasicBlock *BB = BasicBlock::Create(context, "", F1);
+ IRBuilder<> Builder(BB);
+ Builder.CreateRetVoid();
+
+ Function *F2 = Function::Create(FT1, Function::ExternalLinkage);
+
+ Attribute::AttrKind AK[] = { Attribute::NoCapture };
+ AttributeSet AS = AttributeSet::get(context, 0, AK);
+ Argument *A = F1->arg_begin();
+ A->addAttr(AS);
+
+ SmallVector<ReturnInst*, 4> Returns;
+ ValueToValueMapTy VMap;
+ VMap[A] = UndefValue::get(A->getType());
+
+ CloneFunctionInto(F2, F1, VMap, false, Returns);
+ EXPECT_FALSE(F2->arg_begin()->hasNoCaptureAttr());
+
+ delete F1;
+ delete F2;
+}
+
}