[PATCH] D138398: [DAGCombiner] fold or (and x, y), x --> x

[chenglin.bi via Phabricator via llvm-commits]

bcl5980 created this revision.
bcl5980 added reviewers: RKSimon, craig.topper.
Herald added subscribers: StephenFan, ecnelises, pengfei, hiraditya.
Herald added a project: All.
bcl5980 requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

https://reviews.llvm.org/D138398

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/X86/avx512-select.ll
  llvm/test/CodeGen/X86/bswap_tree2.ll
  llvm/test/CodeGen/X86/known-signbits-vector.ll

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