[llvm-branch-commits] [llvm] MachineUniformityAnalysis: Improve isConstantOrUndefValuePhi (PR #112866)

[Jay Foad via llvm-branch-commits]

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

> Change existing code to match what LLVM-IR version is doing

Yeah, looks reasonable to me.

https://github.com/llvm/llvm-project/pull/112866