[all-commits] [llvm/llvm-project] a98882: [SLP]Keep the original order in the reductions.

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a98882112387b6bc585e758a8139fd06ac41f448
      https://github.com/llvm/llvm-project/commit/a98882112387b6bc585e758a8139fd06ac41f448
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2024-07-09 (Tue, 09 Jul 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/AArch64/getelementptr.ll
    M llvm/test/Transforms/SLPVectorizer/AArch64/loadorder.ll
    M llvm/test/Transforms/SLPVectorizer/AArch64/transpose-inseltpoison.ll
    M llvm/test/Transforms/SLPVectorizer/AArch64/transpose.ll
    M llvm/test/Transforms/SLPVectorizer/RISCV/reductions.ll
    M llvm/test/Transforms/SLPVectorizer/RISCV/shuffled-gather-casted.ll
    M llvm/test/Transforms/SLPVectorizer/RISCV/unsigned-icmp-signed-op.ll
    M llvm/test/Transforms/SLPVectorizer/SystemZ/minbitwidth-trunc.ll
    M llvm/test/Transforms/SLPVectorizer/X86/PR35628_2.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/entries-different-vf.ll
    M llvm/test/Transforms/SLPVectorizer/X86/external-used-across-reductions.ll
    M llvm/test/Transforms/SLPVectorizer/X86/extract-many-users-buildvector.ll
    M llvm/test/Transforms/SLPVectorizer/X86/extract-scalar-from-undef.ll
    M llvm/test/Transforms/SLPVectorizer/X86/extractelement-single-use-many-nodes.ll
    M llvm/test/Transforms/SLPVectorizer/X86/gather-extractelements-different-bbs.ll
    M llvm/test/Transforms/SLPVectorizer/X86/horizontal-list.ll
    M llvm/test/Transforms/SLPVectorizer/X86/icmp-altopcode-after-reordering.ll
    M llvm/test/Transforms/SLPVectorizer/X86/int-bitcast-minbitwidth.ll
    M llvm/test/Transforms/SLPVectorizer/X86/minbitwidth-node-with-multi-users.ll
    M llvm/test/Transforms/SLPVectorizer/X86/minbitwidth-transformed-operand.ll
    M llvm/test/Transforms/SLPVectorizer/X86/reduction-bool-logic-op-inside.ll
    M llvm/test/Transforms/SLPVectorizer/X86/reduction-logical.ll
    M llvm/test/Transforms/SLPVectorizer/X86/reduction_unrolled.ll
    M llvm/test/Transforms/SLPVectorizer/X86/remark_gather-load-redux-cost.ll
    M llvm/test/Transforms/SLPVectorizer/X86/reorder-vf-to-resize.ll
    M llvm/test/Transforms/SLPVectorizer/X86/reorder_repeated_ops.ll
    M llvm/test/Transforms/SLPVectorizer/slp-umax-rdx-matcher-crash.ll

  Log Message:
  -----------
  [SLP]Keep the original order in the reductions.

The patch tries to keep the original order of the instruction in the
reductions. Previously, two first instructions were switched, giving
reverse order.
The first step to support of the ordered reductions.

Reviewers: RKSimon

Reviewed By: RKSimon

Pull Request: https://github.com/llvm/llvm-project/pull/98025



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