[llvm-branch-commits] [llvm] [AMDGPU][InsertWaitCnts] Track global_wb/inv/wbinv (PR #135340)

[Jay Foad via llvm-branch-commits]

https://github.com/jayfoad approved this pull request.

Patch looks OK to me, unless you are still worried about the global_inv loadcnt decrement ordering thing.

Removing unnecessary waits at a function call boundary can be done as a separate optimization.

https://github.com/llvm/llvm-project/pull/135340