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Viewing changes to unittests/Support/IRBuilderTest.cpp

  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2012-03-29 19:09:51 UTC
  • Revision ID: package-import@ubuntu.com-20120329190951-aq83ivog4cg8bxun
Tags: upstream-3.1~svn153643
Import upstream version 3.1~svn153643

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unittests/Support/IRBuilderTest.cpp
 
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//===- llvm/unittest/Support/IRBuilderTest.cpp - IRBuilder tests ----------===//
 
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//
 
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//                     The LLVM Compiler Infrastructure
 
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//
 
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// This file is distributed under the University of Illinois Open Source
 
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// License. See LICENSE.TXT for details.
 
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//
 
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//===----------------------------------------------------------------------===//
 
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#include "llvm/Support/IRBuilder.h"
 
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#include "llvm/BasicBlock.h"
 
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#include "llvm/Function.h"
 
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#include "llvm/IntrinsicInst.h"
 
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#include "llvm/LLVMContext.h"
 
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#include "llvm/Module.h"
 
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#include "llvm/ADT/OwningPtr.h"
 
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#include "gtest/gtest.h"
 
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using namespace llvm;
 
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namespace {
 
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class IRBuilderTest : public testing::Test {
 
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protected:
 
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  virtual void SetUp() {
 
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    M.reset(new Module("MyModule", getGlobalContext()));
 
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    FunctionType *FTy = FunctionType::get(Type::getVoidTy(getGlobalContext()),
 
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                                          /*isVarArg=*/false);
 
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    Function *F = Function::Create(FTy, Function::ExternalLinkage, "", M.get());
 
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    BB = BasicBlock::Create(getGlobalContext(), "", F);
 
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  }
 
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  virtual void TearDown() {
 
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    BB = 0;
 
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    M.reset();
 
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  }
 
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  OwningPtr<Module> M;
 
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  BasicBlock *BB;
 
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};
 
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}
 
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TEST_F(IRBuilderTest, Lifetime) {
 
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  IRBuilder<> Builder(BB);
 
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  AllocaInst *Var1 = Builder.CreateAlloca(Builder.getInt8Ty());
 
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  AllocaInst *Var2 = Builder.CreateAlloca(Builder.getInt32Ty());
 
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  AllocaInst *Var3 = Builder.CreateAlloca(Builder.getInt8Ty(),
 
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                                          Builder.getInt32(123));
 
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  CallInst *Start1 = Builder.CreateLifetimeStart(Var1);
 
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  CallInst *Start2 = Builder.CreateLifetimeStart(Var2);
 
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  CallInst *Start3 = Builder.CreateLifetimeStart(Var3, Builder.getInt64(100));
 
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  EXPECT_EQ(Start1->getArgOperand(0), Builder.getInt64(-1));
 
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  EXPECT_EQ(Start2->getArgOperand(0), Builder.getInt64(-1));
 
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  EXPECT_EQ(Start3->getArgOperand(0), Builder.getInt64(100));
 
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  EXPECT_EQ(Start1->getArgOperand(1), Var1);
 
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  EXPECT_NE(Start2->getArgOperand(1), Var2);
 
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  EXPECT_EQ(Start3->getArgOperand(1), Var3);
 
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  Value *End1 = Builder.CreateLifetimeEnd(Var1);
 
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  Builder.CreateLifetimeEnd(Var2);
 
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  Builder.CreateLifetimeEnd(Var3);
 
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  IntrinsicInst *II_Start1 = dyn_cast<IntrinsicInst>(Start1);
 
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  IntrinsicInst *II_End1 = dyn_cast<IntrinsicInst>(End1);
 
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  ASSERT_TRUE(II_Start1 != NULL);
 
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  EXPECT_EQ(II_Start1->getIntrinsicID(), Intrinsic::lifetime_start);
 
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  ASSERT_TRUE(II_End1 != NULL);
 
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  EXPECT_EQ(II_End1->getIntrinsicID(), Intrinsic::lifetime_end);
 
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}