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https://github.com/c64scene-ar/llvm-6502.git
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4b31c4d93f
This is in anticipation of changing CreateCondBr and wanting to test those changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160250 91177308-0d34-0410-b5e6-96231b3b80d8
89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
//===- llvm/unittest/VMCore/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/BasicBlock.h"
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#include "llvm/Function.h"
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#include "llvm/IRBuilder.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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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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Function *F;
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BasicBlock *BB;
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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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}
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TEST_F(IRBuilderTest, CreateCondBr) {
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IRBuilder<> Builder(BB);
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BasicBlock *TBB = BasicBlock::Create(getGlobalContext(), "", F);
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BasicBlock *FBB = BasicBlock::Create(getGlobalContext(), "", F);
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BranchInst *BI = Builder.CreateCondBr(Builder.getTrue(), TBB, FBB);
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TerminatorInst *TI = BB->getTerminator();
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EXPECT_EQ(BI, TI);
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EXPECT_EQ(2u, TI->getNumSuccessors());
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EXPECT_EQ(TBB, TI->getSuccessor(0));
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EXPECT_EQ(FBB, TI->getSuccessor(1));
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}
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}
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