[llvm-branch-commits] [TableGen] Support RegClassByHwMode in CompressPat (PR #171061)

[Alexander Richardson via llvm-branch-commits]

arichardson wrote:

I believe the output is correct, but I will wait before submitting this until I have some actual real-world tests for this (based on adding the RVY extension).

https://github.com/llvm/llvm-project/pull/171061