[all-commits] [llvm/llvm-project] 2c7d40: [VPlan] Generalize SCALAR-STEPS removal to any unr...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2c7d40b2f0c5e68e90297b605ceb70c55d201bca
      https://github.com/llvm/llvm-project/commit/2c7d40b2f0c5e68e90297b605ceb70c55d201bca
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2025-03-26 (Wed, 26 Mar 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlan.h
    M llvm/test/Transforms/LoopVectorize/AArch64/call-costs.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/conditional-branches-cost.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/divs-with-scalable-vfs.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/epilog-vectorization-factors.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/epilog-vectorization-widen-inductions.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/fixed-order-recurrence.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/induction-costs.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/induction-trunc.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/interleaving-load-store.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/interleaving-reduction.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/optsize_minsize.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce-dot-product-mixed.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce-dot-product-neon.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce-dot-product.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce-no-dotprod.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/partial-reduce-sub.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/pr73894.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/reduction-recurrence-costs-sve.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/scalable-strict-fadd.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/store-costs-sve.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-epilog-vect-inloop-reductions.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-epilog-vect-reductions.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-epilog-vect-strict-reductions.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-epilog-vect.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-fneg.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-inductions-unusual-types.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-live-out-pointer-induction.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-multiexit.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-runtime-check-size-based-threshold.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-unroll.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/transform-narrow-interleave-to-widen-memory-constant-ops.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/transform-narrow-interleave-to-widen-memory-cost.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/transform-narrow-interleave-to-widen-memory-unroll.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/transform-narrow-interleave-to-widen-memory-with-wide-ops.ll
    M llvm/test/Transforms/LoopVectorize/ARM/tail-folding-prefer-flag.ll
    M llvm/test/Transforms/LoopVectorize/LoongArch/defaults.ll
    M llvm/test/Transforms/LoopVectorize/PowerPC/exit-branch-cost.ll
    M llvm/test/Transforms/LoopVectorize/PowerPC/large-loop-rdx.ll
    M llvm/test/Transforms/LoopVectorize/PowerPC/optimal-epilog-vectorization.ll
    M llvm/test/Transforms/LoopVectorize/PowerPC/pr41179.ll
    M llvm/test/Transforms/LoopVectorize/PowerPC/small-loop-rdx.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/divrem.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/first-order-recurrence-scalable-vf1.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/interleaved-accesses.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/riscv-vector-reverse-output.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/uniform-load-store.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/vectorize-force-tail-with-evl-inloop-reduction.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/vectorize-force-tail-with-evl-interleave.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/vectorize-force-tail-with-evl-reduction.ll
    M llvm/test/Transforms/LoopVectorize/X86/conversion-cost.ll
    M llvm/test/Transforms/LoopVectorize/X86/epilog-vectorization-inductions.ll
    M llvm/test/Transforms/LoopVectorize/X86/fixed-order-recurrence.ll
    M llvm/test/Transforms/LoopVectorize/X86/imprecise-through-phis.ll
    M llvm/test/Transforms/LoopVectorize/X86/induction-costs.ll
    M llvm/test/Transforms/LoopVectorize/X86/induction-step.ll
    M llvm/test/Transforms/LoopVectorize/X86/iv-live-outs.ll
    M llvm/test/Transforms/LoopVectorize/X86/limit-vf-by-tripcount.ll
    M llvm/test/Transforms/LoopVectorize/X86/load-deref-pred.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/metadata-enable.ll
    M llvm/test/Transforms/LoopVectorize/X86/pr35432.ll
    M llvm/test/Transforms/LoopVectorize/X86/pr47437.ll
    M llvm/test/Transforms/LoopVectorize/X86/predicate-switch.ll
    M llvm/test/Transforms/LoopVectorize/X86/reduction-fastmath.ll
    M llvm/test/Transforms/LoopVectorize/X86/uniform_mem_op.ll
    M llvm/test/Transforms/LoopVectorize/X86/vect.omp.force.small-tc.ll
    M llvm/test/Transforms/LoopVectorize/X86/vectorize-force-tail-with-evl.ll
    M llvm/test/Transforms/LoopVectorize/X86/widened-value-used-as-scalar-and-first-lane.ll
    M llvm/test/Transforms/LoopVectorize/cast-induction.ll
    M llvm/test/Transforms/LoopVectorize/dead_instructions.ll
    M llvm/test/Transforms/LoopVectorize/dont-fold-tail-for-const-TC.ll
    M llvm/test/Transforms/LoopVectorize/expand-scev-after-invoke.ll
    M llvm/test/Transforms/LoopVectorize/first-order-recurrence-interleave-only.ll
    M llvm/test/Transforms/LoopVectorize/first-order-recurrence.ll
    M llvm/test/Transforms/LoopVectorize/float-induction.ll
    M llvm/test/Transforms/LoopVectorize/if-pred-non-void.ll
    M llvm/test/Transforms/LoopVectorize/if-pred-stores.ll
    M llvm/test/Transforms/LoopVectorize/induction-ptrcasts.ll
    M llvm/test/Transforms/LoopVectorize/induction-unroll-novec.ll
    M llvm/test/Transforms/LoopVectorize/induction.ll
    M llvm/test/Transforms/LoopVectorize/interleave-and-scalarize-only.ll
    M llvm/test/Transforms/LoopVectorize/interleave-with-i65-induction.ll
    M llvm/test/Transforms/LoopVectorize/iv-select-cmp-nested-loop.ll
    M llvm/test/Transforms/LoopVectorize/iv-select-cmp-trunc.ll
    M llvm/test/Transforms/LoopVectorize/iv-select-cmp.ll
    M llvm/test/Transforms/LoopVectorize/iv_outside_user.ll
    M llvm/test/Transforms/LoopVectorize/pointer-induction-unroll.ll
    M llvm/test/Transforms/LoopVectorize/pointer-select-runtime-checks.ll
    M llvm/test/Transforms/LoopVectorize/predicate-switch.ll
    M llvm/test/Transforms/LoopVectorize/reduction-odd-interleave-counts.ll
    M llvm/test/Transforms/LoopVectorize/reverse_induction.ll
    M llvm/test/Transforms/LoopVectorize/scalable-iv-outside-user.ll
    M llvm/test/Transforms/LoopVectorize/scalar_after_vectorization.ll
    M llvm/test/Transforms/LoopVectorize/select-cmp-multiuse.ll
    M llvm/test/Transforms/LoopVectorize/select-cmp-predicated.ll
    M llvm/test/Transforms/LoopVectorize/select-cmp.ll
    M llvm/test/Transforms/LoopVectorize/select-min-index.ll
    M llvm/test/Transforms/LoopVectorize/strict-fadd-interleave-only.ll
    M llvm/test/Transforms/LoopVectorize/strided-accesses-interleave-only.ll
    M llvm/test/Transforms/LoopVectorize/tail-folding-vectorization-factor-1.ll
    M llvm/test/Transforms/LoopVectorize/unroll_nonlatch.ll
    M llvm/test/Transforms/LoopVectorize/vector-loop-backedge-elimination-early-exit.ll
    M llvm/test/Transforms/LoopVectorize/vplan-printing-before-execute.ll

  Log Message:
  -----------
  [VPlan] Generalize SCALAR-STEPS removal to any unroll factor.

Follow-up to dfca6c0d3bf9d1a056 to extend isUnrolled handle any unrolled
VPlan, which means there's a single UF, but it will be > 1 if unrolling
took place.



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