[llvm] [NVPTX] Make GlobalUniqueCallSite a member of NVPTXISelLowering (PR #130212)

[Artem Belevich via llvm-commits]

Artem-B wrote:

Can you elaborate on the problem you're trying to solve? What kind of race conditions do you see while updating an atomic variable?


https://github.com/llvm/llvm-project/pull/130212