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D62705.id.diff
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Created
Fri, Sep 20, 1:46 AM

D62705.id.diff

Index: llvm/trunk/include/llvm/IR/InstrTypes.h
===================================================================
--- llvm/trunk/include/llvm/IR/InstrTypes.h
+++ llvm/trunk/include/llvm/IR/InstrTypes.h
@@ -154,6 +154,20 @@
}
#include "llvm/IR/Instruction.def"
+ static UnaryOperator *CreateWithCopiedFlags(UnaryOps Opc,
+ Value *V,
+ Instruction *CopyO,
+ const Twine &Name = "") {
+ UnaryOperator *UO = Create(Opc, V, Name);
+ UO->copyIRFlags(CopyO);
+ return UO;
+ }
+
+ static UnaryOperator *CreateFNegFMF(Value *Op, Instruction *FMFSource,
+ const Twine &Name = "") {
+ return CreateWithCopiedFlags(Instruction::FNeg, Op, FMFSource, Name);
+ }
+
UnaryOps getOpcode() const {
return static_cast<UnaryOps>(Instruction::getOpcode());
}
@@ -269,7 +283,7 @@
static BinaryOperator *CreateFNegFMF(Value *Op, Instruction *FMFSource,
const Twine &Name = "") {
Value *Zero = ConstantFP::getNegativeZero(Op->getType());
- return CreateWithCopiedFlags(Instruction::FSub, Zero, Op, FMFSource);
+ return CreateWithCopiedFlags(Instruction::FSub, Zero, Op, FMFSource, Name);
}
static BinaryOperator *CreateNSW(BinaryOps Opc, Value *V1, Value *V2,
Index: llvm/trunk/unittests/IR/InstructionsTest.cpp
===================================================================
--- llvm/trunk/unittests/IR/InstructionsTest.cpp
+++ llvm/trunk/unittests/IR/InstructionsTest.cpp
@@ -1081,5 +1081,23 @@
I->deleteValue();
}
+TEST(InstructionsTest, FNegInstruction) {
+ LLVMContext Context;
+ Type *FltTy = Type::getFloatTy(Context);
+ Constant *One = ConstantFP::get(FltTy, 1.0);
+ BinaryOperator *FAdd = BinaryOperator::CreateFAdd(One, One);
+ FAdd->setHasNoNaNs(true);
+ UnaryOperator *FNeg = UnaryOperator::CreateFNegFMF(One, FAdd);
+ EXPECT_TRUE(FNeg->hasNoNaNs());
+ EXPECT_FALSE(FNeg->hasNoInfs());
+ EXPECT_FALSE(FNeg->hasNoSignedZeros());
+ EXPECT_FALSE(FNeg->hasAllowReciprocal());
+ EXPECT_FALSE(FNeg->hasAllowContract());
+ EXPECT_FALSE(FNeg->hasAllowReassoc());
+ EXPECT_FALSE(FNeg->hasApproxFunc());
+ FAdd->deleteValue();
+ FNeg->deleteValue();
+}
+
} // end anonymous namespace
} // end namespace llvm

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