[all-commits] [llvm/llvm-project] 5739a2: [VPlan] Also duplicated scalar-steps when it enabl...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5739a22fbb593eb44490d23e0c8cc12386e4b5b6
      https://github.com/llvm/llvm-project/commit/5739a22fbb593eb44490d23e0c8cc12386e4b5b6
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2025-04-21 (Mon, 21 Apr 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
    M llvm/test/Transforms/LoopVectorize/AArch64/blend-costs.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/uniform-load-store.ll
    M llvm/test/Transforms/LoopVectorize/X86/cost-model.ll
    M llvm/test/Transforms/LoopVectorize/debugloc.ll
    M llvm/test/Transforms/LoopVectorize/dereferenceable-info-from-assumption-constant-size.ll
    M llvm/test/Transforms/LoopVectorize/float-induction.ll
    M llvm/test/Transforms/LoopVectorize/if-pred-stores.ll
    M llvm/test/Transforms/LoopVectorize/induction.ll
    M llvm/test/Transforms/LoopVectorize/load-deref-pred-align.ll
    M llvm/test/Transforms/LoopVectorize/load-of-struct-deref-pred.ll
    M llvm/test/Transforms/LoopVectorize/loop-form.ll
    M llvm/test/Transforms/LoopVectorize/select-cmp-multiuse.ll
    M llvm/test/Transforms/LoopVectorize/select-cmp-predicated.ll
    M llvm/test/Transforms/LoopVectorize/struct-return.ll
    M llvm/test/Transforms/LoopVectorize/trip-count-expansion-may-introduce-ub.ll
    M llvm/test/Transforms/LoopVectorize/vplan-printing.ll
    M llvm/test/Transforms/LoopVectorize/vplan-sink-scalars-and-merge.ll

  Log Message:
  -----------
  [VPlan] Also duplicated scalar-steps when it enables sinking scalars. (#136021)

Extend sinking logic to duplicate scalar steps recipe if it enables
sinking, that is if all users in a destination block require all lanes.

This should be the last step before removing legacy sinkScalarOperands.

PR: https://github.com/llvm/llvm-project/pull/136021



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