[all-commits] [llvm/llvm-project] e251f5: Revert "[VPlan] Explicitly unroll replicate-region...

[Florian Hahn via All-commits]

  Branch: refs/heads/revert-170212-vplan-dissolve-replicate-regions1
  Home:   https://github.com/llvm/llvm-project
  Commit: e251f57b911cdf395850c2f35dc474e9e68cab96
      https://github.com/llvm/llvm-project/commit/e251f57b911cdf395850c2f35dc474e9e68cab96
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2026-03-26 (Thu, 26 Mar 2026)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlan.h
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.h
    M llvm/lib/Transforms/Vectorize/VPlanUnroll.cpp
    M llvm/test/Transforms/LoopVectorize/AArch64/blend-costs.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/conditional-branches-cost.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/fold-tail-low-trip-count.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/force-target-instruction-cost.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/induction-costs-sve.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/masked-call-scalarize.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/optsize_minsize.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/predicated-costs.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/transform-narrow-interleave-fold-tail.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/transform-narrow-interleave-to-widen-memory-multi-block.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/transform-narrow-interleave-to-widen-memory-remove-loop-region.ll
    M llvm/test/Transforms/LoopVectorize/SystemZ/force-target-instruction-cost.ll
    M llvm/test/Transforms/LoopVectorize/VPlan/interleave-and-scalarize-only.ll
    M llvm/test/Transforms/LoopVectorize/VPlan/vplan-predicate-switch.ll
    M llvm/test/Transforms/LoopVectorize/X86/consecutive-ptr-uniforms.ll
    M llvm/test/Transforms/LoopVectorize/X86/constant-fold.ll
    M llvm/test/Transforms/LoopVectorize/X86/cost-conditional-branches.ll
    M llvm/test/Transforms/LoopVectorize/X86/gather_scatter.ll
    M llvm/test/Transforms/LoopVectorize/X86/induction-costs.ll
    M llvm/test/Transforms/LoopVectorize/X86/pr109581-unused-blend.ll
    M llvm/test/Transforms/LoopVectorize/X86/pr55096-scalarize-add.ll
    M llvm/test/Transforms/LoopVectorize/X86/small-size.ll
    M llvm/test/Transforms/LoopVectorize/X86/x86-interleaved-accesses-masked-group.ll
    M llvm/test/Transforms/LoopVectorize/X86/x86-interleaved-store-accesses-with-gaps.ll
    M llvm/test/Transforms/LoopVectorize/as_cast.ll
    M llvm/test/Transforms/LoopVectorize/cast-induction.ll
    M llvm/test/Transforms/LoopVectorize/consecutive-ptr-uniforms.ll
    M llvm/test/Transforms/LoopVectorize/constant-fold-commutative-and.ll
    M llvm/test/Transforms/LoopVectorize/constantfolder.ll
    M llvm/test/Transforms/LoopVectorize/cse-casts.ll
    M llvm/test/Transforms/LoopVectorize/debugloc.ll
    M llvm/test/Transforms/LoopVectorize/dont-fold-tail-for-divisible-TC.ll
    M llvm/test/Transforms/LoopVectorize/find-last-iv-sinkable-load.ll
    M llvm/test/Transforms/LoopVectorize/first-order-recurrence.ll
    M llvm/test/Transforms/LoopVectorize/float-induction.ll
    M llvm/test/Transforms/LoopVectorize/hoist-and-sink-mem-ops-with-invariant-pointers.ll
    M llvm/test/Transforms/LoopVectorize/hoist-predicated-loads-with-predicated-stores.ll
    M llvm/test/Transforms/LoopVectorize/if-pred-stores.ll
    M llvm/test/Transforms/LoopVectorize/interleaved-accesses-pred-stores.ll
    M llvm/test/Transforms/LoopVectorize/load-deref-pred-align.ll
    M llvm/test/Transforms/LoopVectorize/loop-form.ll
    M llvm/test/Transforms/LoopVectorize/memdep-fold-tail.ll
    M llvm/test/Transforms/LoopVectorize/pointer-induction.ll
    M llvm/test/Transforms/LoopVectorize/pr37248.ll
    M llvm/test/Transforms/LoopVectorize/pr45679-fold-tail-by-masking.ll
    M llvm/test/Transforms/LoopVectorize/predicate-switch.ll
    M llvm/test/Transforms/LoopVectorize/select-cmp-multiuse.ll
    M llvm/test/Transforms/LoopVectorize/struct-return-replicate.ll
    M llvm/test/Transforms/LoopVectorize/struct-return.ll
    M llvm/test/Transforms/LoopVectorize/tail-folding-alloca-in-loop.ll
    M llvm/test/Transforms/LoopVectorize/tail-folding-div.ll
    M llvm/test/Transforms/LoopVectorize/tail-folding-masked-mem-opts.ll
    M llvm/test/Transforms/LoopVectorize/tail-folding-optimize-vector-induction-width.ll
    M llvm/test/Transforms/LoopVectorize/tail-folding-switch.ll
    M llvm/test/Transforms/LoopVectorize/trip-count-expansion-may-introduce-ub.ll
    M llvm/test/Transforms/LoopVectorize/use-scalar-epilogue-if-tp-fails.ll
    M llvm/test/Transforms/LoopVectorize/vector-loop-backedge-elimination.ll

  Log Message:
  -----------
  Revert "[VPlan] Explicitly unroll replicate-regions without live-outs by VF. …"

This reverts commit cb1661b0460627bac4407fda129febefbf3e738a.



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