[llvm-branch-commits] [clang] [lld] [llvm] [mlir] [RFC][AMDGPU] Add BARRIER address space (PR #195613)

[Nicolai Hähnle via llvm-branch-commits]

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

I'd prefer for the aperture to be adjusted from the start, but if you're going to do that in a quick follow-up it's fine with me.

https://github.com/llvm/llvm-project/pull/195613