[llvm-branch-commits] [clang] [HLSL] Add `InterlockedExchange` function and resource methods (PR #222161)

[Finn Plummer via llvm-branch-commits]

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

Okay, other than the discrepancy noted that will be handled separately, LGTM

https://github.com/llvm/llvm-project/pull/222161