[llvm] [InstCombine] Fold ((X << nuw Z) binop nuw Y) >>u Z --> X binop nuw (Y >>u Z) (PR #88193)

[Yingwei Zheng via llvm-commits]

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

LGTM.

Please don't force-push in this PR. The notifications flood my mailbox :(


https://github.com/llvm/llvm-project/pull/88193