//===----------------------------------------------------------------------===//
#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/LLVMContext.h"
#include "llvm/IR/MDBuilder.h"
#include "llvm/IR/Module.h"
+#include "llvm/IR/NoFolder.h"
#include "gtest/gtest.h"
using namespace llvm;
class IRBuilderTest : public testing::Test {
protected:
virtual void SetUp() {
- M.reset(new Module("MyModule", getGlobalContext()));
- FunctionType *FTy = FunctionType::get(Type::getVoidTy(getGlobalContext()),
+ M.reset(new Module("MyModule", Ctx));
+ FunctionType *FTy = FunctionType::get(Type::getVoidTy(Ctx),
/*isVarArg=*/false);
F = Function::Create(FTy, Function::ExternalLinkage, "", M.get());
- BB = BasicBlock::Create(getGlobalContext(), "", F);
- GV = new GlobalVariable(Type::getFloatTy(getGlobalContext()), true,
- GlobalValue::ExternalLinkage);
+ BB = BasicBlock::Create(Ctx, "", F);
+ GV = new GlobalVariable(*M, Type::getFloatTy(Ctx), true,
+ GlobalValue::ExternalLinkage, nullptr);
}
virtual void TearDown() {
- BB = 0;
+ BB = nullptr;
M.reset();
}
- OwningPtr<Module> M;
+ LLVMContext Ctx;
+ std::unique_ptr<Module> M;
Function *F;
BasicBlock *BB;
GlobalVariable *GV;
IntrinsicInst *II_Start1 = dyn_cast<IntrinsicInst>(Start1);
IntrinsicInst *II_End1 = dyn_cast<IntrinsicInst>(End1);
- ASSERT_TRUE(II_Start1 != NULL);
+ ASSERT_TRUE(II_Start1 != nullptr);
EXPECT_EQ(II_Start1->getIntrinsicID(), Intrinsic::lifetime_start);
- ASSERT_TRUE(II_End1 != NULL);
+ ASSERT_TRUE(II_End1 != nullptr);
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);
+ BasicBlock *TBB = BasicBlock::Create(Ctx, "", F);
+ BasicBlock *FBB = BasicBlock::Create(Ctx, "", F);
BranchInst *BI = Builder.CreateCondBr(Builder.getTrue(), TBB, FBB);
TerminatorInst *TI = BB->getTerminator();
EXPECT_EQ(FBB, TI->getSuccessor(1));
BI->eraseFromParent();
- MDNode *Weights = MDBuilder(getGlobalContext()).createBranchWeights(42, 13);
+ MDNode *Weights = MDBuilder(Ctx).createBranchWeights(42, 13);
BI = Builder.CreateCondBr(Builder.getTrue(), TBB, FBB, Weights);
TI = BB->getTerminator();
EXPECT_EQ(BI, TI);
EXPECT_EQ(LP->getName(), "LP");
}
+TEST_F(IRBuilderTest, DataLayout) {
+ std::unique_ptr<Module> M(new Module("test", Ctx));
+ M->setDataLayout("e-n32");
+ EXPECT_TRUE(M->getDataLayout()->isLegalInteger(32));
+ M->setDataLayout("e");
+ EXPECT_FALSE(M->getDataLayout()->isLegalInteger(32));
+}
+
TEST_F(IRBuilderTest, GetIntTy) {
IRBuilder<> Builder(BB);
IntegerType *Ty1 = Builder.getInt1Ty();
- EXPECT_EQ(Ty1, IntegerType::get(getGlobalContext(), 1));
+ EXPECT_EQ(Ty1, IntegerType::get(Ctx, 1));
DataLayout* DL = new DataLayout(M.get());
IntegerType *IntPtrTy = Builder.getIntPtrTy(DL);
unsigned IntPtrBitSize = DL->getPointerSizeInBits(0);
- EXPECT_EQ(IntPtrTy, IntegerType::get(getGlobalContext(), IntPtrBitSize));
+ EXPECT_EQ(IntPtrTy, IntegerType::get(Ctx, IntPtrBitSize));
+ delete DL;
}
TEST_F(IRBuilderTest, FastMathFlags) {
FAdd = cast<Instruction>(F);
EXPECT_TRUE(FAdd->hasNoNaNs());
+ // Now, try it with CreateBinOp
+ F = Builder.CreateBinOp(Instruction::FAdd, F, F);
+ EXPECT_TRUE(Builder.getFastMathFlags().any());
+ ASSERT_TRUE(isa<Instruction>(F));
+ FAdd = cast<Instruction>(F);
+ EXPECT_TRUE(FAdd->hasNoNaNs());
+
F = Builder.CreateFDiv(F, F);
EXPECT_TRUE(Builder.getFastMathFlags().any());
EXPECT_TRUE(Builder.getFastMathFlags().UnsafeAlgebra);
Builder.clearFastMathFlags();
+ // To test a copy, make sure that a '0' and a '1' change state.
F = Builder.CreateFDiv(F, F);
ASSERT_TRUE(isa<Instruction>(F));
FDiv = cast<Instruction>(F);
EXPECT_FALSE(FDiv->getFastMathFlags().any());
+ FDiv->setHasAllowReciprocal(true);
+ FAdd->setHasAllowReciprocal(false);
FDiv->copyFastMathFlags(FAdd);
EXPECT_TRUE(FDiv->hasNoNaNs());
+ EXPECT_FALSE(FDiv->hasAllowReciprocal());
+
+}
+TEST_F(IRBuilderTest, WrapFlags) {
+ IRBuilder<true, NoFolder> Builder(BB);
+
+ // Test instructions.
+ GlobalVariable *G = new GlobalVariable(*M, Builder.getInt32Ty(), true,
+ GlobalValue::ExternalLinkage, nullptr);
+ Value *V = Builder.CreateLoad(G);
+ EXPECT_TRUE(
+ cast<BinaryOperator>(Builder.CreateNSWAdd(V, V))->hasNoSignedWrap());
+ EXPECT_TRUE(
+ cast<BinaryOperator>(Builder.CreateNSWMul(V, V))->hasNoSignedWrap());
+ EXPECT_TRUE(
+ cast<BinaryOperator>(Builder.CreateNSWSub(V, V))->hasNoSignedWrap());
+ EXPECT_TRUE(cast<BinaryOperator>(
+ Builder.CreateShl(V, V, "", /* NUW */ false, /* NSW */ true))
+ ->hasNoSignedWrap());
+
+ EXPECT_TRUE(
+ cast<BinaryOperator>(Builder.CreateNUWAdd(V, V))->hasNoUnsignedWrap());
+ EXPECT_TRUE(
+ cast<BinaryOperator>(Builder.CreateNUWMul(V, V))->hasNoUnsignedWrap());
+ EXPECT_TRUE(
+ cast<BinaryOperator>(Builder.CreateNUWSub(V, V))->hasNoUnsignedWrap());
+ EXPECT_TRUE(cast<BinaryOperator>(
+ Builder.CreateShl(V, V, "", /* NUW */ true, /* NSW */ false))
+ ->hasNoUnsignedWrap());
+
+ // Test operators created with constants.
+ Constant *C = Builder.getInt32(42);
+ EXPECT_TRUE(cast<OverflowingBinaryOperator>(Builder.CreateNSWAdd(C, C))
+ ->hasNoSignedWrap());
+ EXPECT_TRUE(cast<OverflowingBinaryOperator>(Builder.CreateNSWSub(C, C))
+ ->hasNoSignedWrap());
+ EXPECT_TRUE(cast<OverflowingBinaryOperator>(Builder.CreateNSWMul(C, C))
+ ->hasNoSignedWrap());
+ EXPECT_TRUE(cast<OverflowingBinaryOperator>(
+ Builder.CreateShl(C, C, "", /* NUW */ false, /* NSW */ true))
+ ->hasNoSignedWrap());
+
+ EXPECT_TRUE(cast<OverflowingBinaryOperator>(Builder.CreateNUWAdd(C, C))
+ ->hasNoUnsignedWrap());
+ EXPECT_TRUE(cast<OverflowingBinaryOperator>(Builder.CreateNUWSub(C, C))
+ ->hasNoUnsignedWrap());
+ EXPECT_TRUE(cast<OverflowingBinaryOperator>(Builder.CreateNUWMul(C, C))
+ ->hasNoUnsignedWrap());
+ EXPECT_TRUE(cast<OverflowingBinaryOperator>(
+ Builder.CreateShl(C, C, "", /* NUW */ true, /* NSW */ false))
+ ->hasNoUnsignedWrap());
}
+TEST_F(IRBuilderTest, RAIIHelpersTest) {
+ IRBuilder<> Builder(BB);
+ EXPECT_FALSE(Builder.getFastMathFlags().allowReciprocal());
+ MDBuilder MDB(M->getContext());
+
+ MDNode *FPMathA = MDB.createFPMath(0.01f);
+ MDNode *FPMathB = MDB.createFPMath(0.1f);
+
+ Builder.SetDefaultFPMathTag(FPMathA);
+
+ {
+ IRBuilder<>::FastMathFlagGuard Guard(Builder);
+ FastMathFlags FMF;
+ FMF.setAllowReciprocal();
+ Builder.SetFastMathFlags(FMF);
+ Builder.SetDefaultFPMathTag(FPMathB);
+ EXPECT_TRUE(Builder.getFastMathFlags().allowReciprocal());
+ EXPECT_EQ(FPMathB, Builder.getDefaultFPMathTag());
+ }
+
+ EXPECT_FALSE(Builder.getFastMathFlags().allowReciprocal());
+ EXPECT_EQ(FPMathA, Builder.getDefaultFPMathTag());
+
+ Value *F = Builder.CreateLoad(GV);
+
+ {
+ IRBuilder<>::InsertPointGuard Guard(Builder);
+ Builder.SetInsertPoint(cast<Instruction>(F));
+ EXPECT_EQ(F, Builder.GetInsertPoint());
+ }
+
+ EXPECT_EQ(BB->end(), Builder.GetInsertPoint());
+ EXPECT_EQ(BB, Builder.GetInsertBlock());
+}
+
+
}
projects / oota-llvm.git / blobdiff