[all-commits] [llvm/llvm-project] fbfac8: [InstCombine] add tests for or-xor-nand; NFC

[Sanjay Patel via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: fbfac8e3884bd6b3c36b248e93dbc3096007e606
      https://github.com/llvm/llvm-project/commit/fbfac8e3884bd6b3c36b248e93dbc3096007e606
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2022-09-03 (Sat, 03 Sep 2022)

  Changed paths:
    M llvm/test/Transforms/InstCombine/or-xor.ll

  Log Message:
  -----------
  [InstCombine] add tests for or-xor-nand; NFC


  Commit: 5c759edc57d61bf4713f7e9dbb490c7e0328136d
      https://github.com/llvm/llvm-project/commit/5c759edc57d61bf4713f7e9dbb490c7e0328136d
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2022-09-03 (Sat, 03 Sep 2022)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
    M llvm/test/Transforms/InstCombine/or-xor.ll

  Log Message:
  -----------
  [InstCombine] reduce another or-xor bitwise logic pattern

~(A & ?) | (A ^ B) --> ~((A & ?) & B)
https://alive2.llvm.org/ce/z/mxex6V

This is similar to 9d218b61cc50 where we peeked through
another logic op to find a common operand.


Compare: https://github.com/llvm/llvm-project/compare/1c12e1211198...5c759edc57d6