1 //===- llvm/unittest/Support/IRBuilderTest.cpp - IRBuilder tests ----------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/Support/IRBuilder.h" 11 #include "llvm/BasicBlock.h" 12 #include "llvm/Function.h" 13 #include "llvm/IntrinsicInst.h" 14 #include "llvm/LLVMContext.h" 15 #include "llvm/Module.h" 16 #include "llvm/ADT/OwningPtr.h" 17 18 #include "gtest/gtest.h" 19 20 using namespace llvm; 21 22 class IRBuilderTest : public testing::Test { 23 protected: 24 virtual void SetUp() { 25 M.reset(new Module("MyModule", getGlobalContext())); 26 FunctionType *FTy = FunctionType::get(Type::getVoidTy(getGlobalContext()), 27 /*isVarArg=*/false); 28 Function *F = Function::Create(FTy, Function::ExternalLinkage, "", M.get()); 29 BB = BasicBlock::Create(getGlobalContext(), "", F); 30 } 31 32 virtual void TearDown() { 33 BB = 0; 34 M.reset(); 35 } 36 37 OwningPtr<Module> M; 38 BasicBlock *BB; 39 }; 40 41 TEST_F(IRBuilderTest, Lifetime) { 42 IRBuilder<> Builder(BB); 43 AllocaInst *Var1 = Builder.CreateAlloca(Builder.getInt8Ty()); 44 AllocaInst *Var2 = Builder.CreateAlloca(Builder.getInt32Ty()); 45 AllocaInst *Var3 = Builder.CreateAlloca(Builder.getInt8Ty(), 46 Builder.getInt32(123)); 47 48 CallInst *Start1 = Builder.CreateLifetimeStart(Var1); 49 CallInst *Start2 = Builder.CreateLifetimeStart(Var2); 50 CallInst *Start3 = Builder.CreateLifetimeStart(Var3, Builder.getInt64(100)); 51 52 EXPECT_EQ(Start1->getArgOperand(0), Builder.getInt64(-1)); 53 EXPECT_EQ(Start2->getArgOperand(0), Builder.getInt64(-1)); 54 EXPECT_EQ(Start3->getArgOperand(0), Builder.getInt64(100)); 55 56 EXPECT_EQ(Start1->getArgOperand(1), Var1); 57 EXPECT_NE(Start2->getArgOperand(1), Var2); 58 EXPECT_EQ(Start3->getArgOperand(1), Var3); 59 60 Value *End1 = Builder.CreateLifetimeEnd(Var1); 61 Builder.CreateLifetimeEnd(Var2); 62 Builder.CreateLifetimeEnd(Var3); 63 64 IntrinsicInst *II_Start1 = dyn_cast<IntrinsicInst>(Start1); 65 IntrinsicInst *II_End1 = dyn_cast<IntrinsicInst>(End1); 66 ASSERT_TRUE(II_Start1 != NULL); 67 EXPECT_EQ(II_Start1->getIntrinsicID(), Intrinsic::lifetime_start); 68 ASSERT_TRUE(II_End1 != NULL); 69 EXPECT_EQ(II_End1->getIntrinsicID(), Intrinsic::lifetime_end); 70 } 71
