[all-commits] [llvm/llvm-project] acc877: [VPlan] Skip branch term in masks for some preserv...

[Andrei Elovikov via All-commits]

  Branch: refs/heads/users/eas/predicator-skip-preserved-mask
  Home:   https://github.com/llvm/llvm-project
  Commit: acc8777d7408a2f935b0765edfaa93a87ec0e92c
      https://github.com/llvm/llvm-project/commit/acc8777d7408a2f935b0765edfaa93a87ec0e92c
  Author: Andrei Elovikov <andrei.elovikov at sifive.com>
  Date:   2026-09-09 (Wed, 09 Sep 2026)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/lib/Transforms/Vectorize/VPlanPredicator.cpp
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
    M llvm/test/Transforms/LoopVectorize/AArch64/conditional-branches-cost.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/invariant-replicate-region.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/predication_costs.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-predicated-costs.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/transform-narrow-interleave-to-widen-memory-multi-block.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/dead-ops-cost.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/divrem.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/predicated-costs.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/predicated-reverse-store.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/tail-folding-complex-mask.ll
    M llvm/test/Transforms/LoopVectorize/VPlan/dissolve-replicate-regions.ll
    M llvm/test/Transforms/LoopVectorize/VPlan/memory-checks.ll
    M llvm/test/Transforms/LoopVectorize/VPlan/phi-with-fastflags-vplan.ll
    M llvm/test/Transforms/LoopVectorize/VPlan/predicator.ll
    M llvm/test/Transforms/LoopVectorize/VPlan/vplan-sink-scalars-and-merge-vf1.ll
    M llvm/test/Transforms/LoopVectorize/VPlan/vplan-sink-scalars-and-merge.ll
    M llvm/test/Transforms/LoopVectorize/X86/cost-conditional-branches.ll
    M llvm/test/Transforms/LoopVectorize/X86/invariant-load-gather.ll
    M llvm/test/Transforms/LoopVectorize/X86/masked-store-cost.ll
    M llvm/test/Transforms/LoopVectorize/X86/narrow-to-single-scalar.ll
    M llvm/test/Transforms/LoopVectorize/X86/pr141968-instsimplifyfolder.ll
    M llvm/test/Transforms/LoopVectorize/X86/predicated-instruction-cost.ll
    M llvm/test/Transforms/LoopVectorize/X86/predicated-replicate-feeding-cast.ll
    M llvm/test/Transforms/LoopVectorize/X86/replicate-recipe-with-only-first-lane-used.ll
    M llvm/test/Transforms/LoopVectorize/X86/replicate-uniform-call.ll
    M llvm/test/Transforms/LoopVectorize/constant-fold-commutative-and.ll
    M llvm/test/Transforms/LoopVectorize/div-exact.ll
    M llvm/test/Transforms/LoopVectorize/if-pred-stores.ll
    M llvm/test/Transforms/LoopVectorize/multiple-result-intrinsics.ll
    M llvm/test/Transforms/LoopVectorize/phi-with-fastflags.ll
    M llvm/test/Transforms/LoopVectorize/pr37248.ll
    M llvm/test/Transforms/LoopVectorize/pr44488-predication.ll
    M llvm/test/Transforms/LoopVectorize/pr45525.ll
    M llvm/test/Transforms/LoopVectorize/predicator.ll
    M llvm/test/Transforms/LoopVectorize/scalarize-masked-call.ll
    M llvm/test/Transforms/LoopVectorize/struct-return-replicate.ll
    M llvm/test/Transforms/LoopVectorize/uniform-blend.ll
    M llvm/test/Transforms/PhaseOrdering/loop-vectorize-bfi.ll

  Log Message:
  -----------
  [VPlan] Skip branch term in masks for some preserved uniform edges



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