[llvm-branch-commits] [llvm] AMDGPU: Stop using the wavemask register class for SCC cross class copies (PR #161801)

[Matt Arsenault via llvm-branch-commits]

arsenm wrote:

> Are there any codegen changes?

I don't think so. There could maybe be dag scheduling changes but I haven't found them 

https://github.com/llvm/llvm-project/pull/161801