[all-commits] [llvm/llvm-project] d47f05: [DAG] visitXOR - fold XOR(A, B) -> OR(A, B) iff A an...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d47f056cd2843341de61c36683a44bc803500675
      https://github.com/llvm/llvm-project/commit/d47f056cd2843341de61c36683a44bc803500675
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-10-28 (Fri, 28 Oct 2022)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/test/CodeGen/AArch64/unfold-masked-merge-scalar-variablemask.ll
    M llvm/test/CodeGen/AArch64/unfold-masked-merge-vector-variablemask-const.ll
    M llvm/test/CodeGen/RISCV/unfold-masked-merge-scalar-variablemask.ll
    M llvm/test/CodeGen/X86/unfold-masked-merge-scalar-variablemask.ll
    M llvm/test/CodeGen/X86/unfold-masked-merge-vector-variablemask-const.ll

  Log Message:
  -----------
  [DAG] visitXOR - fold XOR(A,B) -> OR(A,B) iff A and B have no common bits

Alive2: https://alive2.llvm.org/ce/z/7wvfns

Part of Issue #58624