[llvm-branch-commits] [llvm] release/18.x: Convert many LivePhysRegs uses to LiveRegUnits (PR #84118)

[Jay Foad via llvm-branch-commits]

https://github.com/jayfoad requested changes to this pull request.

> this isn't fixing any known correctness issue

Exactly. I don't think there is any reason to backport this.

https://github.com/llvm/llvm-project/pull/84118