[llvm-branch-commits] [llvm] [AMDGPU][gfx12] Clean-up implementation of waits before SCOPE_SYS stores (PR #150587)

[Pierre van Houtryve via llvm-branch-commits]

Pierre-vh wrote:

### Merge activity

* **Jul 28, 8:23 AM UTC**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/150587).


https://github.com/llvm/llvm-project/pull/150587