[PATCH] D95974: [CUDA, NVPTX] Allow targeting sm_86 GPUs.

[Johannes Doerfert via Phabricator via cfe-commits]

jdoerfert added a comment.

In D95974#2540352 <https://reviews.llvm.org/D95974#2540352>, @tra wrote:

>> So we add ptx72 but it's not used with sm_86, interesting.
>
> `ptx71` is the minimum/default requited PTX version for sm_86. If we compile with CUDA-11.2, clang will set the '+ptx72' as we may potentially need it in order to link in libdevice bitcode or if source code (e.g CUDA headers) has inline asm with instructions supported by CUDA-11.2.

I see, thanks :)


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