[PATCH] D91281: [CUDA][HIP] Diagnose reference of host variable

[Yaxun Liu via Phabricator via cfe-commits]

yaxunl added a comment.

In D91281#2607082 <https://reviews.llvm.org/D91281#2607082>, @yaxunl wrote:

> @tra I got some issue with this patch. There are cases that an expression using a host variable is compile-time constant, e.g.
>
>   int x;
>   __device__ void fun() {
>     sizeof(x);
>   }
>
> Do we want to allow that? Thanks.

It seems we should only diagnose ODR-use (https://en.cppreference.com/w/cpp/language/definition) of host variable in device functions.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D91281/new/

https://reviews.llvm.org/D91281