[clang] [llvm] [NVPTX] Add conversion intrinsics from/to fp8 types (e4m3, e5m2) (PR #102969)

[Sergey Kozub via cfe-commits]

sergey-kozub wrote:

> Looks like that it was clang-format check github was waiting on an approaval for. I've just clicked that button.

Now it's all green, thank you.
How do I actually upstream it? I don't see any buttons on this PR page that'd allow me to submit it.


https://github.com/llvm/llvm-project/pull/102969