[all-commits] [llvm/llvm-project] ac1b99: [DAGCombiner] fold or (and x, y), x --> x

[chenglin.bi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ac1b999e855ed9ab5908842be6c1e4cbd246d3bc
      https://github.com/llvm/llvm-project/commit/ac1b999e855ed9ab5908842be6c1e4cbd246d3bc
  Author: chenglin.bi <chenglin.bi at cixcomputing.com>
  Date:   2022-11-21 (Mon, 21 Nov 2022)

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

  Log Message:
  -----------
  [DAGCombiner] fold or (and x, y), x --> x

Reviewed By: RKSimon

Differential Revision: https://reviews.llvm.org/D138398