[llvm] [NVPTX] Add Read/Write/SideEffect attributes to atomic instructions (PR #109665)

[Lewis Crawford via llvm-commits]

LewisCrawford wrote:

Sorry, I don't have a good isolated test-case for this unfortunately.

The only example I've seen of this triggering a bug relied on several downstream compiler changes, and I've been struggling to create a reproducer that also fails on this upstream version.

I was hoping this change was trivial enough that it would be ok to commit without an explicit unit test.

https://github.com/llvm/llvm-project/pull/109665