[llvm-branch-commits] [llvm] PeepholeOpt: Stop allocating tiny helper classes (PR #123936)

[Quentin Colombet via llvm-branch-commits]

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

I only skimmed through the changes but they make sense.
Do you see any compile time improvements over these?

Otherwise LGTM.
(The PR/commit could have the NFC tag, right?)

https://github.com/llvm/llvm-project/pull/123936