// be the same. Consequently, we just fold to V.
return V;
- if (DestTy->isFloatingPointTy())
+ // See note below regarding the PPC_FP128 restriction.
+ if (DestTy->isFloatingPointTy() && !DestTy->isPPC_FP128Ty())
return ConstantFP::get(DestTy->getContext(),
APFloat(DestTy->getFltSemantics(),
CI->getValue()));
}
// Handle ConstantFP input: FP -> Integral.
- if (ConstantFP *FP = dyn_cast<ConstantFP>(V))
+ if (ConstantFP *FP = dyn_cast<ConstantFP>(V)) {
+ // PPC_FP128 is really the sum of two consecutive doubles, where the first
+ // double is always stored first in memory, regardless of the target
+ // endianness. The memory layout of i128, however, depends on the target
+ // endianness, and so we can't fold this without target endianness
+ // information. This should instead be handled by
+ // Analysis/ConstantFolding.cpp
+ if (FP->getType()->isPPC_FP128Ty())
+ return nullptr;
+
return ConstantInt::get(FP->getContext(),
FP->getValueAPF().bitcastToAPInt());
+ }
return nullptr;
}