1 //===- llvm/unittest/VMCore/IRBuilderTest.cpp - IRBuilder tests -----------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/BasicBlock.h"
11 #include "llvm/DataLayout.h"
12 #include "llvm/Function.h"
13 #include "llvm/IRBuilder.h"
14 #include "llvm/IntrinsicInst.h"
15 #include "llvm/LLVMContext.h"
16 #include "llvm/MDBuilder.h"
17 #include "llvm/Module.h"
18 #include "llvm/ADT/OwningPtr.h"
20 #include "gtest/gtest.h"
26 class IRBuilderTest : public testing::Test {
28 virtual void SetUp() {
29 M.reset(new Module("MyModule", getGlobalContext()));
30 FunctionType *FTy = FunctionType::get(Type::getVoidTy(getGlobalContext()),
32 F = Function::Create(FTy, Function::ExternalLinkage, "", M.get());
33 BB = BasicBlock::Create(getGlobalContext(), "", F);
36 virtual void TearDown() {
46 TEST_F(IRBuilderTest, Lifetime) {
47 IRBuilder<> Builder(BB);
48 AllocaInst *Var1 = Builder.CreateAlloca(Builder.getInt8Ty());
49 AllocaInst *Var2 = Builder.CreateAlloca(Builder.getInt32Ty());
50 AllocaInst *Var3 = Builder.CreateAlloca(Builder.getInt8Ty(),
51 Builder.getInt32(123));
53 CallInst *Start1 = Builder.CreateLifetimeStart(Var1);
54 CallInst *Start2 = Builder.CreateLifetimeStart(Var2);
55 CallInst *Start3 = Builder.CreateLifetimeStart(Var3, Builder.getInt64(100));
57 EXPECT_EQ(Start1->getArgOperand(0), Builder.getInt64(-1));
58 EXPECT_EQ(Start2->getArgOperand(0), Builder.getInt64(-1));
59 EXPECT_EQ(Start3->getArgOperand(0), Builder.getInt64(100));
61 EXPECT_EQ(Start1->getArgOperand(1), Var1);
62 EXPECT_NE(Start2->getArgOperand(1), Var2);
63 EXPECT_EQ(Start3->getArgOperand(1), Var3);
65 Value *End1 = Builder.CreateLifetimeEnd(Var1);
66 Builder.CreateLifetimeEnd(Var2);
67 Builder.CreateLifetimeEnd(Var3);
69 IntrinsicInst *II_Start1 = dyn_cast<IntrinsicInst>(Start1);
70 IntrinsicInst *II_End1 = dyn_cast<IntrinsicInst>(End1);
71 ASSERT_TRUE(II_Start1 != NULL);
72 EXPECT_EQ(II_Start1->getIntrinsicID(), Intrinsic::lifetime_start);
73 ASSERT_TRUE(II_End1 != NULL);
74 EXPECT_EQ(II_End1->getIntrinsicID(), Intrinsic::lifetime_end);
77 TEST_F(IRBuilderTest, CreateCondBr) {
78 IRBuilder<> Builder(BB);
79 BasicBlock *TBB = BasicBlock::Create(getGlobalContext(), "", F);
80 BasicBlock *FBB = BasicBlock::Create(getGlobalContext(), "", F);
82 BranchInst *BI = Builder.CreateCondBr(Builder.getTrue(), TBB, FBB);
83 TerminatorInst *TI = BB->getTerminator();
85 EXPECT_EQ(2u, TI->getNumSuccessors());
86 EXPECT_EQ(TBB, TI->getSuccessor(0));
87 EXPECT_EQ(FBB, TI->getSuccessor(1));
89 BI->eraseFromParent();
90 MDNode *Weights = MDBuilder(getGlobalContext()).createBranchWeights(42, 13);
91 BI = Builder.CreateCondBr(Builder.getTrue(), TBB, FBB, Weights);
92 TI = BB->getTerminator();
94 EXPECT_EQ(2u, TI->getNumSuccessors());
95 EXPECT_EQ(TBB, TI->getSuccessor(0));
96 EXPECT_EQ(FBB, TI->getSuccessor(1));
97 EXPECT_EQ(Weights, TI->getMetadata(LLVMContext::MD_prof));
100 TEST_F(IRBuilderTest, GetIntTy) {
101 IRBuilder<> Builder(BB);
102 IntegerType *Ty1 = Builder.getInt1Ty();
103 EXPECT_EQ(Ty1, IntegerType::get(getGlobalContext(), 1));
105 DataLayout* DL = new DataLayout(M.get());
106 IntegerType *IntPtrTy = Builder.getIntPtrTy(DL);
107 unsigned IntPtrBitSize = DL->getPointerSizeInBits(0);
108 EXPECT_EQ(IntPtrTy, IntegerType::get(getGlobalContext(), IntPtrBitSize));