[llvm] [LoongArch] Add a pass to rewrite rd to r0 for non-computational instrs whose return values are unused (PR #94590)

[Tom Weaver via llvm-commits]

TomWeaver18 wrote:

I can see the first fix is in, is there work being done on the second failure?

https://github.com/llvm/llvm-project/commit/ac404632f991fc6e7dc75ef553a99676ba8002ce



https://github.com/llvm/llvm-project/pull/94590