[all-commits] [llvm/llvm-project] 883571: Revert "[SLP]Improve reductions analysis and emiss...

[Andrew V. Tischenko via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 883571928c3416bb46e0cb63344915fccd9e6192
      https://github.com/llvm/llvm-project/commit/883571928c3416bb46e0cb63344915fccd9e6192
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2022-04-19 (Tue, 19 Apr 2022)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/PhaseOrdering/X86/vector-reductions-logical.ll
    M llvm/test/Transforms/PhaseOrdering/X86/vector-reductions.ll
    M llvm/test/Transforms/SLPVectorizer/AArch64/gather-root.ll
    M llvm/test/Transforms/SLPVectorizer/AArch64/transpose-inseltpoison.ll
    M llvm/test/Transforms/SLPVectorizer/AArch64/transpose.ll
    M llvm/test/Transforms/SLPVectorizer/X86/PR35628_1.ll
    M llvm/test/Transforms/SLPVectorizer/X86/PR35628_2.ll
    M llvm/test/Transforms/SLPVectorizer/X86/PR39774.ll
    M llvm/test/Transforms/SLPVectorizer/X86/PR40310.ll
    M llvm/test/Transforms/SLPVectorizer/X86/blending-shuffle-inseltpoison.ll
    M llvm/test/Transforms/SLPVectorizer/X86/blending-shuffle.ll
    M llvm/test/Transforms/SLPVectorizer/X86/horizontal-list.ll
    M llvm/test/Transforms/SLPVectorizer/X86/matched-shuffled-entries.ll
    M llvm/test/Transforms/SLPVectorizer/X86/reduction-logical.ll
    M llvm/test/Transforms/SLPVectorizer/X86/reduction_loads.ll
    M llvm/test/Transforms/SLPVectorizer/X86/reduction_unrolled.ll
    M llvm/test/Transforms/SLPVectorizer/X86/reorder_repeated_ops.ll
    M llvm/test/Transforms/SLPVectorizer/X86/revectorized_rdx_crash.ll
    M llvm/test/Transforms/SLPVectorizer/X86/vectorize-reorder-reuse.ll
    M llvm/test/Transforms/SLPVectorizer/slp-umax-rdx-matcher-crash.ll

  Log Message:
  -----------
  Revert "[SLP]Improve reductions analysis and emission, part 1."

This reverts commit 0e1f4d4d3cb08ff84df5adc4f5e41d0a2cebc53d to fix
a crash reported in PR54976