1411afbe321a7a3705a390d405e9e71ab21f71657Chandler Carruth//===- llvm/unittest/VMCore/IRBuilderTest.cpp - IRBuilder tests -----------===// 20cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky// 30cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky// The LLVM Compiler Infrastructure 40cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky// 50cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky// This file is distributed under the University of Illinois Open Source 60cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky// License. See LICENSE.TXT for details. 70cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky// 80cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky//===----------------------------------------------------------------------===// 90cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky 100cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky#include "llvm/BasicBlock.h" 110cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky#include "llvm/Function.h" 1206cb8ed00696eb14d1b831921452e50ec0568ea2Chandler Carruth#include "llvm/IRBuilder.h" 130cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky#include "llvm/IntrinsicInst.h" 140cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky#include "llvm/LLVMContext.h" 15299493720382ab26e0842eca233fd240dce3b3d6Chandler Carruth#include "llvm/MDBuilder.h" 160cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky#include "llvm/Module.h" 170cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky#include "llvm/ADT/OwningPtr.h" 180cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky 190cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky#include "gtest/gtest.h" 200cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky 210cf51561eddd659a7b427f40144e22363fd95a57Nick Lewyckyusing namespace llvm; 220cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky 232d24e2a396a1d211baaeedf32148a3b657240170David Blaikienamespace { 241880e2d34458f67a92e26953c257f2feb334ceefChandler Carruth 250cf51561eddd659a7b427f40144e22363fd95a57Nick Lewyckyclass IRBuilderTest : public testing::Test { 260cf51561eddd659a7b427f40144e22363fd95a57Nick Lewyckyprotected: 270cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky virtual void SetUp() { 280cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky M.reset(new Module("MyModule", getGlobalContext())); 290cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky FunctionType *FTy = FunctionType::get(Type::getVoidTy(getGlobalContext()), 300cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky /*isVarArg=*/false); 314b31c4d93ff23c4b9a5d9169ff5e6f51731fca17Chandler Carruth F = Function::Create(FTy, Function::ExternalLinkage, "", M.get()); 320cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky BB = BasicBlock::Create(getGlobalContext(), "", F); 330cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky } 340cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky 350cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky virtual void TearDown() { 360cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky BB = 0; 370cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky M.reset(); 380cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky } 390cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky 400cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky OwningPtr<Module> M; 414b31c4d93ff23c4b9a5d9169ff5e6f51731fca17Chandler Carruth Function *F; 420cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky BasicBlock *BB; 430cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky}; 440cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky 450cf51561eddd659a7b427f40144e22363fd95a57Nick LewyckyTEST_F(IRBuilderTest, Lifetime) { 460cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky IRBuilder<> Builder(BB); 470cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky AllocaInst *Var1 = Builder.CreateAlloca(Builder.getInt8Ty()); 480cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky AllocaInst *Var2 = Builder.CreateAlloca(Builder.getInt32Ty()); 490cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky AllocaInst *Var3 = Builder.CreateAlloca(Builder.getInt8Ty(), 500cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky Builder.getInt32(123)); 510cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky 520cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky CallInst *Start1 = Builder.CreateLifetimeStart(Var1); 530cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky CallInst *Start2 = Builder.CreateLifetimeStart(Var2); 540cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky CallInst *Start3 = Builder.CreateLifetimeStart(Var3, Builder.getInt64(100)); 550cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky 560cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky EXPECT_EQ(Start1->getArgOperand(0), Builder.getInt64(-1)); 570cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky EXPECT_EQ(Start2->getArgOperand(0), Builder.getInt64(-1)); 580cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky EXPECT_EQ(Start3->getArgOperand(0), Builder.getInt64(100)); 590cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky 600cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky EXPECT_EQ(Start1->getArgOperand(1), Var1); 610cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky EXPECT_NE(Start2->getArgOperand(1), Var2); 620cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky EXPECT_EQ(Start3->getArgOperand(1), Var3); 630cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky 640cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky Value *End1 = Builder.CreateLifetimeEnd(Var1); 650cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky Builder.CreateLifetimeEnd(Var2); 660cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky Builder.CreateLifetimeEnd(Var3); 670cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky 680cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky IntrinsicInst *II_Start1 = dyn_cast<IntrinsicInst>(Start1); 690cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky IntrinsicInst *II_End1 = dyn_cast<IntrinsicInst>(End1); 700cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky ASSERT_TRUE(II_Start1 != NULL); 710cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky EXPECT_EQ(II_Start1->getIntrinsicID(), Intrinsic::lifetime_start); 720cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky ASSERT_TRUE(II_End1 != NULL); 730cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky EXPECT_EQ(II_End1->getIntrinsicID(), Intrinsic::lifetime_end); 740cf51561eddd659a7b427f40144e22363fd95a57Nick Lewycky} 751880e2d34458f67a92e26953c257f2feb334ceefChandler Carruth 764b31c4d93ff23c4b9a5d9169ff5e6f51731fca17Chandler CarruthTEST_F(IRBuilderTest, CreateCondBr) { 774b31c4d93ff23c4b9a5d9169ff5e6f51731fca17Chandler Carruth IRBuilder<> Builder(BB); 784b31c4d93ff23c4b9a5d9169ff5e6f51731fca17Chandler Carruth BasicBlock *TBB = BasicBlock::Create(getGlobalContext(), "", F); 794b31c4d93ff23c4b9a5d9169ff5e6f51731fca17Chandler Carruth BasicBlock *FBB = BasicBlock::Create(getGlobalContext(), "", F); 804b31c4d93ff23c4b9a5d9169ff5e6f51731fca17Chandler Carruth 814b31c4d93ff23c4b9a5d9169ff5e6f51731fca17Chandler Carruth BranchInst *BI = Builder.CreateCondBr(Builder.getTrue(), TBB, FBB); 824b31c4d93ff23c4b9a5d9169ff5e6f51731fca17Chandler Carruth TerminatorInst *TI = BB->getTerminator(); 834b31c4d93ff23c4b9a5d9169ff5e6f51731fca17Chandler Carruth EXPECT_EQ(BI, TI); 844b31c4d93ff23c4b9a5d9169ff5e6f51731fca17Chandler Carruth EXPECT_EQ(2u, TI->getNumSuccessors()); 854b31c4d93ff23c4b9a5d9169ff5e6f51731fca17Chandler Carruth EXPECT_EQ(TBB, TI->getSuccessor(0)); 864b31c4d93ff23c4b9a5d9169ff5e6f51731fca17Chandler Carruth EXPECT_EQ(FBB, TI->getSuccessor(1)); 87299493720382ab26e0842eca233fd240dce3b3d6Chandler Carruth 88299493720382ab26e0842eca233fd240dce3b3d6Chandler Carruth BI->eraseFromParent(); 89299493720382ab26e0842eca233fd240dce3b3d6Chandler Carruth MDNode *Weights = MDBuilder(getGlobalContext()).createBranchWeights(42, 13); 90299493720382ab26e0842eca233fd240dce3b3d6Chandler Carruth BI = Builder.CreateCondBr(Builder.getTrue(), TBB, FBB, Weights); 91299493720382ab26e0842eca233fd240dce3b3d6Chandler Carruth TI = BB->getTerminator(); 92299493720382ab26e0842eca233fd240dce3b3d6Chandler Carruth EXPECT_EQ(BI, TI); 93299493720382ab26e0842eca233fd240dce3b3d6Chandler Carruth EXPECT_EQ(2u, TI->getNumSuccessors()); 94299493720382ab26e0842eca233fd240dce3b3d6Chandler Carruth EXPECT_EQ(TBB, TI->getSuccessor(0)); 95299493720382ab26e0842eca233fd240dce3b3d6Chandler Carruth EXPECT_EQ(FBB, TI->getSuccessor(1)); 96299493720382ab26e0842eca233fd240dce3b3d6Chandler Carruth EXPECT_EQ(Weights, TI->getMetadata(LLVMContext::MD_prof)); 974b31c4d93ff23c4b9a5d9169ff5e6f51731fca17Chandler Carruth} 984b31c4d93ff23c4b9a5d9169ff5e6f51731fca17Chandler Carruth 991880e2d34458f67a92e26953c257f2feb334ceefChandler Carruth} 100