mjacob added inline comments.
================
Comment at: lib/Sema/SemaCast.cpp:1081-1083
@@ -1080,3 +1080,5 @@
}
- Kind = CK_BitCast;
+ unsigned SrcAS = SrcPointee.getAddressSpace();
+ unsigned DestAS = DestPointee.getAddressSpace();
+ Kind = SrcAS != DestAS ? CK_AddressSpaceConversion : CK_BitCast;
return TC_Success;
----------------
rsmith wrote:
> I would expect to get both a `CK_BitCast` *and* a `CK_AddressSpaceCast`
> created for this case. Note that by not returning `CK_BitCast`, you lose the
> `checkCastAlign` call in the caller.
>
> Instead, can you push this check down into wherever we're building the
> conversion, so that if we try to create a `CK_BitCast` that crosses address
> spaces, we additionally create a `CK_AddressSpaceCast`?
I'm not sure what you mean by "**additionally** create a
`CK_AddressSpaceCast`". Please clarify.
Would it also be possible to extend all places which call `checkCastAlign()` to
also call it for `CK_AddressSpaceCast`?
http://reviews.llvm.org/D15169
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