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

[Congcong Cai via Phabricator via llvm-commits]

HerrCai0907 updated this revision to Diff 513451.
HerrCai0907 marked 2 inline comments as done.
HerrCai0907 edited the summary of this revision.
HerrCai0907 added a comment.

add select(X&Y==-1, X, X&Y) -> X&Y


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D148275/new/

https://reviews.llvm.org/D148275

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

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