[all-commits] [llvm/llvm-project] b9483d: Revert "[X86] Fold not(pcmpeq(and(X, CstPow2), 0)) -...

[dyung via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b9483d30a7d7a0650a0e83c75fcb9ab4932f475a
      https://github.com/llvm/llvm-project/commit/b9483d30a7d7a0650a0e83c75fcb9ab4932f475a
  Author: Douglas Yung <douglas.yung at sony.com>
  Date:   2024-01-25 (Thu, 25 Jan 2024)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/icmp-pow2-mask.ll

  Log Message:
  -----------
  Revert "[X86] Fold not(pcmpeq(and(X,CstPow2),0)) -> pcmpeq(and(X,CstPow2),CstPow2)"

This reverts commit 72f10f7eb536da58cb79e13974895cd97d4e1a5f.

This change was causing a miscompile on an internal test and is being reverted at the author's request until it can be fixed.