| //===- Cloning.cpp - Unit tests for the Cloner ----------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "gtest/gtest.h" |
| #include "llvm/Argument.h" |
| #include "llvm/Instructions.h" |
| #include "llvm/LLVMContext.h" |
| |
| using namespace llvm; |
| |
| TEST(CloneInstruction, OverflowBits) { |
| LLVMContext context; |
| Value *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()); |
| |
| 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()); |
| |
| 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()); |
| |
| 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()); |
| } |
| |
| TEST(CloneInstruction, Inbounds) { |
| LLVMContext context; |
| Value *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()); |
| |
| GEP->setIsInBounds(); |
| EXPECT_TRUE(cast<GetElementPtrInst>(GEP->clone())->isInBounds()); |
| } |
| |
| TEST(CloneInstruction, Exact) { |
| LLVMContext context; |
| Value *V = new Argument(Type::getInt32Ty(context)); |
| |
| BinaryOperator *SDiv = BinaryOperator::Create(Instruction::SDiv, V, V); |
| EXPECT_FALSE(cast<BinaryOperator>(SDiv->clone())->isExact()); |
| |
| SDiv->setIsExact(true); |
| EXPECT_TRUE(cast<BinaryOperator>(SDiv->clone())->isExact()); |
| } |