[all-commits] [llvm/llvm-project] 266ff9: [LV][VPlan] Use VF VPValue in VPVectorPointerRecip...

[Shih-Po Hung via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 266ff98cba44b9e969e6894eaa30d4fe37647210
      https://github.com/llvm/llvm-project/commit/266ff98cba44b9e969e6894eaa30d4fe37647210
  Author: Shih-Po Hung <shihpo.hung at sifive.com>
  Date:   2024-10-26 (Sat, 26 Oct 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/lib/Transforms/Vectorize/VPlan.h
    M llvm/lib/Transforms/Vectorize/VPlanAnalysis.cpp
    M llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
    M llvm/lib/Transforms/Vectorize/VPlanUnroll.cpp
    M llvm/lib/Transforms/Vectorize/VPlanValue.h
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-vector-reverse.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/riscv-vector-reverse.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/vectorize-force-tail-with-evl-reverse-load-store.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/vectorize-force-tail-with-evl-uniform-store.ll
    M llvm/test/Transforms/LoopVectorize/reverse_induction.ll
    M llvm/test/Transforms/LoopVectorize/vplan-sink-scalars-and-merge.ll

  Log Message:
  -----------
  [LV][VPlan] Use VF VPValue in VPVectorPointerRecipe (#110974)

Refactors VPVectorPointerRecipe to use the VF VPValue to obtain the
runtime VF, similar to #95305.

Since only reverse vector pointers require the runtime VF, the patch
sets VPUnrollPart::PartOpIndex to 1 for vector pointers and 2 for
reverse vector pointers. As a result, the generation of reverse vector
pointers is moved into a separate recipe.



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