[all-commits] [llvm/llvm-project] 1c0681: Revert "[AArch64] Optimize memcmp when the result ...

[Paul Kirth via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1c0681757669880bda144aeb56dcad6901a2016b
      https://github.com/llvm/llvm-project/commit/1c0681757669880bda144aeb56dcad6901a2016b
  Author: Paul Kirth <paulkirth at google.com>
  Date:   2022-10-28 (Fri, 28 Oct 2022)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/test/CodeGen/AArch64/atomicrmw-O0.ll
    M llvm/test/CodeGen/AArch64/bcmp-inline-small.ll
    M llvm/test/CodeGen/AArch64/bcmp.ll
    M llvm/test/CodeGen/AArch64/dag-combine-setcc.ll
    M llvm/test/CodeGen/AArch64/i128-cmp.ll
    M llvm/test/CodeGen/AArch64/umulo-128-legalisation-lowering.ll

  Log Message:
  -----------
  Revert "[AArch64] Optimize memcmp when the result is tested for [in]equality with 0"

This reverts commit 01ff511593d1a4920fa3c1d450ad2077661e0bdc.

It triggers an assertion failure in SelectionDAG.cpp

see https://github.com/llvm/llvm-project/issues/58675 for details.