[PATCH] D26196: Add support for non-zero null pointer for C and OpenCL
John McCall via cfe-commits
cfe-commits at lists.llvm.org
Sat Nov 12 15:15:17 PST 2016
rjmccall added a comment.
In https://reviews.llvm.org/D26196#592823, @yaxunl wrote:
> Hi John,
>
> It seems the casting from a pointer to different address space is not affected by this change. When a null pointer is casted to different address space, it is casted the same way as an ordinary pointer, e.g. by addrspacecast.
You mean, the code-generation for that knows about your special null pointer representation? That is confusing.
https://reviews.llvm.org/D26196
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