[all-commits] [llvm/llvm-project] ab6892: [InstCombine] allow sext in fold of mask using sig...

[Sanjay Patel via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ab6892967c97acf8e0a4541dceeed6f062343d6c
      https://github.com/llvm/llvm-project/commit/ab6892967c97acf8e0a4541dceeed6f062343d6c
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2022-08-28 (Sun, 28 Aug 2022)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
    M llvm/test/Transforms/InstCombine/and.ll
    M llvm/test/Transforms/InstCombine/negated-bitmask.ll

  Log Message:
  -----------
  [InstCombine] allow sext in fold of mask using signbit, part 2

https://alive2.llvm.org/ce/z/rcbZmx

Sibling tranform to 275aa24c0a51

This pattern is seen in the examples in issue #57381.