[all-commits] [llvm/llvm-project] 8dd160: Revert "[VPlan] Fold NOT into predicate of wide co...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8dd160f4767f971572eac065c8650d9202ff5bf9
      https://github.com/llvm/llvm-project/commit/8dd160f4767f971572eac065c8650d9202ff5bf9
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2025-03-07 (Fri, 07 Mar 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlan.h
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
    M llvm/test/Transforms/LoopVectorize/AArch64/masked-call.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/masked-op-cost.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/simple_early_exit.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-select-cmp.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/tail-fold-uniform-memops.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/select-cmp-reduction.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/vectorize-force-tail-with-evl-cond-reduction.ll
    M llvm/test/Transforms/LoopVectorize/X86/cost-model.ll
    M llvm/test/Transforms/LoopVectorize/X86/drop-inbounds-flags-for-reverse-vector-pointer.ll
    M llvm/test/Transforms/LoopVectorize/X86/gep-use-outside-loop.ll
    M llvm/test/Transforms/LoopVectorize/X86/induction-costs.ll
    M llvm/test/Transforms/LoopVectorize/X86/masked-store-cost.ll
    M llvm/test/Transforms/LoopVectorize/X86/masked_load_store.ll
    M llvm/test/Transforms/LoopVectorize/X86/pr55096-scalarize-add.ll
    M llvm/test/Transforms/LoopVectorize/debugloc.ll
    M llvm/test/Transforms/LoopVectorize/epilog-vectorization-any-of-reductions.ll
    M llvm/test/Transforms/LoopVectorize/if-reduction.ll
    M llvm/test/Transforms/LoopVectorize/load-deref-pred-align.ll
    M llvm/test/Transforms/LoopVectorize/loop-form.ll
    M llvm/test/Transforms/LoopVectorize/pointer-induction.ll
    M llvm/test/Transforms/LoopVectorize/select-cmp.ll
    M llvm/test/Transforms/LoopVectorize/select-reduction-start-value-may-be-undef-or-poison.ll
    M llvm/test/Transforms/LoopVectorize/single_early_exit.ll
    M llvm/test/Transforms/LoopVectorize/single_early_exit_live_outs.ll
    M llvm/test/Transforms/LoopVectorize/vplan-sink-scalars-and-merge.ll

  Log Message:
  -----------
  Revert "[VPlan] Fold NOT into predicate of wide compares." (#130347)

Reverts llvm/llvm-project#129430

this seems to have introduced a divergence between legacy and
VPlan-based cost model

https://lab.llvm.org/buildbot/#/builders/30/builds/17159



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