[all-commits] [llvm/llvm-project] 5b4759: Revert "[X86] Don't always separate conditions in ...

[NAKAMURA Takumi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5b4759f9fd1419abc69e656c40f04a0fd9483d2a
      https://github.com/llvm/llvm-project/commit/5b4759f9fd1419abc69e656c40f04a0fd9483d2a
  Author: NAKAMURA Takumi <geek4civic at gmail.com>
  Date:   2024-03-03 (Sun, 03 Mar 2024)

  Changed paths:
    M llvm/include/llvm/CodeGen/TargetLowering.h
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/lib/Target/X86/X86ISelLowering.h
    M llvm/test/CodeGen/X86/2006-04-27-ISelFoldingBug.ll
    M llvm/test/CodeGen/X86/2007-08-09-IllegalX86-64Asm.ll
    M llvm/test/CodeGen/X86/2007-12-18-LoadCSEBug.ll
    M llvm/test/CodeGen/X86/2008-02-18-TailMergingBug.ll
    M llvm/test/CodeGen/X86/avx-cmp.ll
    M llvm/test/CodeGen/X86/cmp.ll
    M llvm/test/CodeGen/X86/dagcombine-and-setcc.ll
    M llvm/test/CodeGen/X86/div-rem-pair-recomposition-unsigned.ll
    M llvm/test/CodeGen/X86/inline-spiller-impdef-on-implicit-def-regression.ll
    M llvm/test/CodeGen/X86/lsr-addrecloops.ll
    M llvm/test/CodeGen/X86/movmsk-cmp.ll
    M llvm/test/CodeGen/X86/or-branch.ll
    M llvm/test/CodeGen/X86/peephole-na-phys-copy-folding.ll
    M llvm/test/CodeGen/X86/pr33747.ll
    M llvm/test/CodeGen/X86/pr37025.ll
    M llvm/test/CodeGen/X86/pr38795.ll
    M llvm/test/CodeGen/X86/setcc-logic.ll
    M llvm/test/CodeGen/X86/swifterror.ll
    M llvm/test/CodeGen/X86/tail-dup-merge-loop-headers.ll
    M llvm/test/CodeGen/X86/tail-opts.ll
    M llvm/test/CodeGen/X86/tailcall-extract.ll
    M llvm/test/CodeGen/X86/test-shrink-bug.ll
    M llvm/test/CodeGen/X86/x86-shrink-wrap-unwind.ll

  Log Message:
  -----------
  Revert "[X86] Don't always separate conditions in `(br (and/or cond0, cond1))` into separate branches"

This has been buggy for a while.

Reverts #81689
This reverts commit ae76dfb74701e05e5ab4be194e20e49f10768e46.



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