// At this point we have only various mismatches of the first class types
// remaining and ptr->ptr. Just select the lossless conversions. Everything
- // else is not lossless.
- if (this->isPointerTy())
- return Ty->isPointerTy();
+ // else is not lossless. Conservatively assume we can't losslessly convert
+ // between pointers with different address spaces.
+ if (const PointerType *PTy = dyn_cast<PointerType>(this)) {
+ if (const PointerType *OtherPTy = dyn_cast<PointerType>(Ty))
+ return PTy->getAddressSpace() == OtherPTy->getAddressSpace();
+ return false;
+ }
return false; // Other types have no identity values
}