diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/IR/Instructions.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/IR/Instructions.cpp b/llvm/lib/IR/Instructions.cpp index 55c8ab6d5fd..490fcbce743 100644 --- a/llvm/lib/IR/Instructions.cpp +++ b/llvm/lib/IR/Instructions.cpp @@ -2877,12 +2877,15 @@ bool CastInst::isBitCastable(Type *SrcTy, Type *DestTy) { bool CastInst::isBitOrNoopPointerCastable(Type *SrcTy, Type *DestTy, const DataLayout &DL) { + // ptrtoint and inttoptr are not allowed on non-integral pointers if (auto *PtrTy = dyn_cast<PointerType>(SrcTy)) if (auto *IntTy = dyn_cast<IntegerType>(DestTy)) - return IntTy->getBitWidth() == DL.getPointerTypeSizeInBits(PtrTy); + return (IntTy->getBitWidth() == DL.getPointerTypeSizeInBits(PtrTy) && + !DL.isNonIntegralPointerType(PtrTy)); if (auto *PtrTy = dyn_cast<PointerType>(DestTy)) if (auto *IntTy = dyn_cast<IntegerType>(SrcTy)) - return IntTy->getBitWidth() == DL.getPointerTypeSizeInBits(PtrTy); + return (IntTy->getBitWidth() == DL.getPointerTypeSizeInBits(PtrTy) && + !DL.isNonIntegralPointerType(PtrTy)); return isBitCastable(SrcTy, DestTy); } |
