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| author | Tim Northover <Tim.Northover@arm.com> | 2013-01-22 09:46:31 +0000 |
|---|---|---|
| committer | Tim Northover <Tim.Northover@arm.com> | 2013-01-22 09:46:31 +0000 |
| commit | 29178a348a719c4c4e14939dcc02218bcd5341d9 (patch) | |
| tree | 01778be07ddb8b749cbb3275700c21293d107d51 /llvm/lib/IR/ConstantFold.cpp | |
| parent | 015333f88c21673a8d8958242ef24920dd0506a9 (diff) | |
| download | llvm-29178a348a719c4c4e14939dcc02218bcd5341d9.zip llvm-29178a348a719c4c4e14939dcc02218bcd5341d9.tar.gz llvm-29178a348a719c4c4e14939dcc02218bcd5341d9.tar.bz2 | |
Make APFloat constructor require explicit semantics.
Previously we tried to infer it from the bit width size, with an added
IsIEEE argument for the PPC/IEEE 128-bit case, which had a default
value. This default value allowed bugs to creep in, where it was
inappropriate.
llvm-svn: 173138
Diffstat (limited to 'llvm/lib/IR/ConstantFold.cpp')
| -rw-r--r-- | llvm/lib/IR/ConstantFold.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/IR/ConstantFold.cpp b/llvm/lib/IR/ConstantFold.cpp index 0ffb24e..417e0d1 100644 --- a/llvm/lib/IR/ConstantFold.cpp +++ b/llvm/lib/IR/ConstantFold.cpp @@ -168,8 +168,8 @@ static Constant *FoldBitCast(Constant *V, Type *DestTy) { if (DestTy->isFloatingPointTy()) return ConstantFP::get(DestTy->getContext(), - APFloat(CI->getValue(), - !DestTy->isPPC_FP128Ty())); + APFloat(DestTy->getFltSemantics(), + CI->getValue())); // Otherwise, can't fold this (vector?) return 0; @@ -647,8 +647,8 @@ Constant *llvm::ConstantFoldCastInstruction(unsigned opc, Constant *V, case Instruction::SIToFP: if (ConstantInt *CI = dyn_cast<ConstantInt>(V)) { APInt api = CI->getValue(); - APFloat apf(APInt::getNullValue(DestTy->getPrimitiveSizeInBits()), - !DestTy->isPPC_FP128Ty() /* isEEEE */); + APFloat apf(DestTy->getFltSemantics(), + APInt::getNullValue(DestTy->getPrimitiveSizeInBits())); (void)apf.convertFromAPInt(api, opc==Instruction::SIToFP, APFloat::rmNearestTiesToEven); |