diff options
Diffstat (limited to 'llvm/lib/IR/ConstantFold.cpp')
| -rw-r--r-- | llvm/lib/IR/ConstantFold.cpp | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/llvm/lib/IR/ConstantFold.cpp b/llvm/lib/IR/ConstantFold.cpp index 218adb4..514a534 100644 --- a/llvm/lib/IR/ConstantFold.cpp +++ b/llvm/lib/IR/ConstantFold.cpp @@ -682,13 +682,8 @@ Constant *llvm::ConstantFoldCastInstruction(unsigned opc, Constant *V, const APInt &api = CI->getValue(); APFloat apf(DestTy->getFltSemantics(), APInt::getNullValue(DestTy->getPrimitiveSizeInBits())); - if (APFloat::opOverflow & - apf.convertFromAPInt(api, opc==Instruction::SIToFP, - APFloat::rmNearestTiesToEven)) { - // Undefined behavior invoked - the destination type can't represent - // the input constant. - return UndefValue::get(DestTy); - } + apf.convertFromAPInt(api, opc==Instruction::SIToFP, + APFloat::rmNearestTiesToEven); return ConstantFP::get(V->getContext(), apf); } return nullptr; |