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 :)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D95974/new/

https://reviews.llvm.org/D95974

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