static Constant *get(Type* Ty, double V);
static Constant *get(Type* Ty, StringRef Str);
static ConstantFP *get(LLVMContext &Context, const APFloat &V);
- static ConstantFP *getNegativeZero(Type* Ty);
- static ConstantFP *getInfinity(Type *Ty, bool Negative = false);
+ static Constant *getNegativeZero(Type *Ty);
+ static Constant *getInfinity(Type *Ty, bool Negative = false);
/// isValueValidForType - return true if Ty is big enough to represent V.
static bool isValueValidForType(Type *Ty, const APFloat &V);
return C;
}
+Constant *ConstantFP::getNegativeZero(Type *Ty) {
+ const fltSemantics &Semantics = *TypeToFloatSemantics(Ty->getScalarType());
+ APFloat NegZero = APFloat::getZero(Semantics, /*Negative=*/true);
+ Constant *C = get(Ty->getContext(), NegZero);
-ConstantFP *ConstantFP::getNegativeZero(Type *Ty) {
- LLVMContext &Context = Ty->getContext();
- APFloat apf = cast<ConstantFP>(Constant::getNullValue(Ty))->getValueAPF();
- apf.changeSign();
- return get(Context, apf);
+ if (VectorType *VTy = dyn_cast<VectorType>(Ty))
+ return ConstantVector::getSplat(VTy->getNumElements(), C);
+
+ return C;
}
Constant *ConstantFP::getZeroValueForNegation(Type *Ty) {
- Type *ScalarTy = Ty->getScalarType();
- if (ScalarTy->isFloatingPointTy()) {
- Constant *C = getNegativeZero(ScalarTy);
- if (VectorType *VTy = dyn_cast<VectorType>(Ty))
- return ConstantVector::getSplat(VTy->getNumElements(), C);
- return C;
- }
+ if (Ty->isFPOrFPVectorTy())
+ return getNegativeZero(Ty);
return Constant::getNullValue(Ty);
}
return Slot;
}
-ConstantFP *ConstantFP::getInfinity(Type *Ty, bool Negative) {
- const fltSemantics &Semantics = *TypeToFloatSemantics(Ty);
- return ConstantFP::get(Ty->getContext(),
- APFloat::getInf(Semantics, Negative));
+Constant *ConstantFP::getInfinity(Type *Ty, bool Negative) {
+ const fltSemantics &Semantics = *TypeToFloatSemantics(Ty->getScalarType());
+ Constant *C = get(Ty->getContext(), APFloat::getInf(Semantics, Negative));
+
+ if (VectorType *VTy = dyn_cast<VectorType>(Ty))
+ return ConstantVector::getSplat(VTy->getNumElements(), C);
+
+ return C;
}
ConstantFP::ConstantFP(Type *Ty, const APFloat& V)