From c779e96158cbac4c62df8e2053ab6a933eba5868 Mon Sep 17 00:00:00 2001 From: Chandler Carruth Date: Mon, 7 Jan 2013 15:35:46 +0000 Subject: Rename the VMCore unittest tree to IR. Somehow was missed when doing the library rename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171747 91177308-0d34-0410-b5e6-96231b3b80d8 --- unittests/IR/IRBuilderTest.cpp | 184 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 184 insertions(+) create mode 100644 unittests/IR/IRBuilderTest.cpp (limited to 'unittests/IR/IRBuilderTest.cpp') diff --git a/unittests/IR/IRBuilderTest.cpp b/unittests/IR/IRBuilderTest.cpp new file mode 100644 index 0000000000..c56721f51b --- /dev/null +++ b/unittests/IR/IRBuilderTest.cpp @@ -0,0 +1,184 @@ +//===- llvm/unittest/IR/IRBuilderTest.cpp - IRBuilder tests ---------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "llvm/IR/IRBuilder.h" +#include "llvm/ADT/OwningPtr.h" +#include "llvm/IR/BasicBlock.h" +#include "llvm/IR/DataLayout.h" +#include "llvm/IR/Function.h" +#include "llvm/IR/IntrinsicInst.h" +#include "llvm/IR/LLVMContext.h" +#include "llvm/IR/MDBuilder.h" +#include "llvm/IR/Module.h" +#include "gtest/gtest.h" + +using namespace llvm; + +namespace { + +class IRBuilderTest : public testing::Test { +protected: + virtual void SetUp() { + M.reset(new Module("MyModule", getGlobalContext())); + FunctionType *FTy = FunctionType::get(Type::getVoidTy(getGlobalContext()), + /*isVarArg=*/false); + F = Function::Create(FTy, Function::ExternalLinkage, "", M.get()); + BB = BasicBlock::Create(getGlobalContext(), "", F); + GV = new GlobalVariable(Type::getFloatTy(getGlobalContext()), true, + GlobalValue::ExternalLinkage); + } + + virtual void TearDown() { + BB = 0; + M.reset(); + } + + OwningPtr M; + Function *F; + BasicBlock *BB; + GlobalVariable *GV; +}; + +TEST_F(IRBuilderTest, Lifetime) { + IRBuilder<> Builder(BB); + AllocaInst *Var1 = Builder.CreateAlloca(Builder.getInt8Ty()); + AllocaInst *Var2 = Builder.CreateAlloca(Builder.getInt32Ty()); + AllocaInst *Var3 = Builder.CreateAlloca(Builder.getInt8Ty(), + Builder.getInt32(123)); + + CallInst *Start1 = Builder.CreateLifetimeStart(Var1); + CallInst *Start2 = Builder.CreateLifetimeStart(Var2); + CallInst *Start3 = Builder.CreateLifetimeStart(Var3, Builder.getInt64(100)); + + EXPECT_EQ(Start1->getArgOperand(0), Builder.getInt64(-1)); + EXPECT_EQ(Start2->getArgOperand(0), Builder.getInt64(-1)); + EXPECT_EQ(Start3->getArgOperand(0), Builder.getInt64(100)); + + EXPECT_EQ(Start1->getArgOperand(1), Var1); + EXPECT_NE(Start2->getArgOperand(1), Var2); + EXPECT_EQ(Start3->getArgOperand(1), Var3); + + Value *End1 = Builder.CreateLifetimeEnd(Var1); + Builder.CreateLifetimeEnd(Var2); + Builder.CreateLifetimeEnd(Var3); + + IntrinsicInst *II_Start1 = dyn_cast(Start1); + IntrinsicInst *II_End1 = dyn_cast(End1); + ASSERT_TRUE(II_Start1 != NULL); + EXPECT_EQ(II_Start1->getIntrinsicID(), Intrinsic::lifetime_start); + ASSERT_TRUE(II_End1 != NULL); + EXPECT_EQ(II_End1->getIntrinsicID(), Intrinsic::lifetime_end); +} + +TEST_F(IRBuilderTest, CreateCondBr) { + IRBuilder<> Builder(BB); + BasicBlock *TBB = BasicBlock::Create(getGlobalContext(), "", F); + BasicBlock *FBB = BasicBlock::Create(getGlobalContext(), "", F); + + BranchInst *BI = Builder.CreateCondBr(Builder.getTrue(), TBB, FBB); + TerminatorInst *TI = BB->getTerminator(); + EXPECT_EQ(BI, TI); + EXPECT_EQ(2u, TI->getNumSuccessors()); + EXPECT_EQ(TBB, TI->getSuccessor(0)); + EXPECT_EQ(FBB, TI->getSuccessor(1)); + + BI->eraseFromParent(); + MDNode *Weights = MDBuilder(getGlobalContext()).createBranchWeights(42, 13); + BI = Builder.CreateCondBr(Builder.getTrue(), TBB, FBB, Weights); + TI = BB->getTerminator(); + EXPECT_EQ(BI, TI); + EXPECT_EQ(2u, TI->getNumSuccessors()); + EXPECT_EQ(TBB, TI->getSuccessor(0)); + EXPECT_EQ(FBB, TI->getSuccessor(1)); + EXPECT_EQ(Weights, TI->getMetadata(LLVMContext::MD_prof)); +} + +TEST_F(IRBuilderTest, LandingPadName) { + IRBuilder<> Builder(BB); + LandingPadInst *LP = Builder.CreateLandingPad(Builder.getInt32Ty(), + Builder.getInt32(0), 0, "LP"); + EXPECT_EQ(LP->getName(), "LP"); +} + +TEST_F(IRBuilderTest, GetIntTy) { + IRBuilder<> Builder(BB); + IntegerType *Ty1 = Builder.getInt1Ty(); + EXPECT_EQ(Ty1, IntegerType::get(getGlobalContext(), 1)); + + DataLayout* DL = new DataLayout(M.get()); + IntegerType *IntPtrTy = Builder.getIntPtrTy(DL); + unsigned IntPtrBitSize = DL->getPointerSizeInBits(0); + EXPECT_EQ(IntPtrTy, IntegerType::get(getGlobalContext(), IntPtrBitSize)); +} + +TEST_F(IRBuilderTest, FastMathFlags) { + IRBuilder<> Builder(BB); + Value *F; + Instruction *FDiv, *FAdd; + + F = Builder.CreateLoad(GV); + F = Builder.CreateFAdd(F, F); + + EXPECT_FALSE(Builder.getFastMathFlags().any()); + ASSERT_TRUE(isa(F)); + FAdd = cast(F); + EXPECT_FALSE(FAdd->hasNoNaNs()); + + FastMathFlags FMF; + Builder.SetFastMathFlags(FMF); + + F = Builder.CreateFAdd(F, F); + EXPECT_FALSE(Builder.getFastMathFlags().any()); + + FMF.setUnsafeAlgebra(); + Builder.SetFastMathFlags(FMF); + + F = Builder.CreateFAdd(F, F); + EXPECT_TRUE(Builder.getFastMathFlags().any()); + ASSERT_TRUE(isa(F)); + FAdd = cast(F); + EXPECT_TRUE(FAdd->hasNoNaNs()); + + F = Builder.CreateFDiv(F, F); + EXPECT_TRUE(Builder.getFastMathFlags().any()); + EXPECT_TRUE(Builder.getFastMathFlags().UnsafeAlgebra); + ASSERT_TRUE(isa(F)); + FDiv = cast(F); + EXPECT_TRUE(FDiv->hasAllowReciprocal()); + + Builder.clearFastMathFlags(); + + F = Builder.CreateFDiv(F, F); + ASSERT_TRUE(isa(F)); + FDiv = cast(F); + EXPECT_FALSE(FDiv->hasAllowReciprocal()); + + FMF.clear(); + FMF.setAllowReciprocal(); + Builder.SetFastMathFlags(FMF); + + F = Builder.CreateFDiv(F, F); + EXPECT_TRUE(Builder.getFastMathFlags().any()); + EXPECT_TRUE(Builder.getFastMathFlags().AllowReciprocal); + ASSERT_TRUE(isa(F)); + FDiv = cast(F); + EXPECT_TRUE(FDiv->hasAllowReciprocal()); + + Builder.clearFastMathFlags(); + + F = Builder.CreateFDiv(F, F); + ASSERT_TRUE(isa(F)); + FDiv = cast(F); + EXPECT_FALSE(FDiv->getFastMathFlags().any()); + FDiv->copyFastMathFlags(FAdd); + EXPECT_TRUE(FDiv->hasNoNaNs()); + +} + +} -- cgit v1.2.3