[PATCH] D148275: [InstCombine] support fold select(X|Y,X|Y,X) to X|Y

[Congcong Cai via Phabricator via llvm-commits]

HerrCai0907 created this revision.
HerrCai0907 added reviewers: lebedev.ri, reames.
Herald added subscribers: StephenFan, hiraditya.
Herald added a project: All.
HerrCai0907 requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

Fixed: https://github.com/llvm/llvm-project/issues/62113
Add addtional check in `visitSelectInst` to match select(X|Y,X|Y,X) and replaed with X|Y


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D148275

Files:
  llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
  llvm/test/Transforms/InstCombine/select_or.ll

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