[llvm-branch-commits] [llvm] release/19.x: [LoongArch][ISel] Check the number of sign bits in `PatGprGpr_32` (#107432) (PR #107945)

[Tobias Hieta via llvm-branch-commits]

tru wrote:

> It introduces a performance regression. I have filed an issue to track this: https://github.com/llvm/llvm-project/issues/107946.

Is this something you also expect to backport in this case? do we want to wait for this fix to be available before we merge? In that case - would it be better to wait and merge both these changes into a 19.1.x release instead?

https://github.com/llvm/llvm-project/pull/107945