[all-commits] [llvm/llvm-project] 7717e1: Revert "[AArch64] Reassociate sub(x, add(m1, m2)) ...

[Martin Storsjö via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7717e1114ad3681d2d626fda711186ebb8a7ddd6
      https://github.com/llvm/llvm-project/commit/7717e1114ad3681d2d626fda711186ebb8a7ddd6
  Author: Martin Storsjö <martin at martin.st>
  Date:   2023-02-12 (Sun, 12 Feb 2023)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/test/CodeGen/AArch64/arm64-vmul.ll
    M llvm/test/CodeGen/AArch64/reassocmls.ll

  Log Message:
  -----------
  Revert "[AArch64] Reassociate sub(x, add(m1, m2)) to sub(sub(x, m1), m2)"

This reverts commit c52255d26a23df6ecf09f60ca3e3615467f16bbe.

That commit caused certain files (in ffmpeg, libvpx and libaom) to hang
while compiling, see https://reviews.llvm.org/D143143 for repro.