[all-commits] [llvm/llvm-project] 925093: [X86] Fold shuffle(not(x), undef) -> not(shuffle(x, ...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 925093d88ae74560a8e94cf66f95d60ea3ffa2d3
      https://github.com/llvm/llvm-project/commit/925093d88ae74560a8e94cf66f95d60ea3ffa2d3
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2021-03-01 (Mon, 01 Mar 2021)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/combine-bitselect.ll
    M llvm/test/CodeGen/X86/promote-cmp.ll

  Log Message:
  -----------
  [X86] Fold shuffle(not(x),undef) -> not(shuffle(x,undef))

Move NOT out to expose more AND -> ANDN folds