IR: Add ConstantFP::getNaN()

This is a wrapper around APFloat::getNaN().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235332 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard
2015-04-20 19:38:24 +00:00
parent 91ad62302f
commit eb963a5f2a
2 changed files with 12 additions and 0 deletions

View File

@@ -663,6 +663,17 @@ Constant *ConstantFP::get(Type *Ty, StringRef Str) {
return C;
}
Constant *ConstantFP::getNaN(Type *Ty, bool Negative, unsigned Type) {
const fltSemantics &Semantics = *TypeToFloatSemantics(Ty->getScalarType());
APFloat NaN = APFloat::getNaN(Semantics, Negative, Type);
Constant *C = get(Ty->getContext(), NaN);
if (VectorType *VTy = dyn_cast<VectorType>(Ty))
return ConstantVector::getSplat(VTy->getNumElements(), C);
return C;
}
Constant *ConstantFP::getNegativeZero(Type *Ty) {
const fltSemantics &Semantics = *TypeToFloatSemantics(Ty->getScalarType());
APFloat NegZero = APFloat::getZero(Semantics, /*Negative=*/true);