[all-commits] [llvm/llvm-project] 9a5379: [InstCombine] Fold two select patterns into and-or

[Sanjay Patel via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9a53793ab803a839908411868700982923939015
      https://github.com/llvm/llvm-project/commit/9a53793ab803a839908411868700982923939015
  Author: chenglin.bi <chenglin.bi at cixcomputing.com>
  Date:   2022-03-28 (Mon, 28 Mar 2022)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
    M llvm/test/Transforms/InstCombine/select-and-or.ll

  Log Message:
  -----------
  [InstCombine] Fold two select patterns into and-or

select (~a | c), a, b -> and a, (or c, b) https://alive2.llvm.org/ce/z/bnDobs
select (~c & b), a, b -> and b, (or a, c) https://alive2.llvm.org/ce/z/k2jJHJ

Differential Revision: https://reviews.llvm.org/D122152