[all-commits] [llvm/llvm-project] 34cdd6: [VPlan] Use VPWidenIntrinsicRecipe to vp.select. (...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 34cdd67c854ba5a7ec557291861f948ef674375f
      https://github.com/llvm/llvm-project/commit/34cdd67c854ba5a7ec557291861f948ef674375f
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2024-10-15 (Tue, 15 Oct 2024)

  Changed paths:
    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/VPlanTransforms.cpp
    M llvm/lib/Transforms/Vectorize/VPlanVerifier.cpp
    M llvm/test/Transforms/LoopVectorize/RISCV/vectorize-force-tail-with-evl-cond-reduction.ll
    A llvm/test/Transforms/LoopVectorize/RISCV/vplan-vp-select-intrinsics.ll

  Log Message:
  -----------
  [VPlan] Use VPWidenIntrinsicRecipe to vp.select. (#110489)

Use VPWidenIntrinsicRecipe
(https://github.com/llvm/llvm-project/pull/110486)
to create vp.select intrinsics. This potentially offers an alternative
to duplicating EVL recipes for all existing recipes.

There are some recipes that will need duplicates (at least at the
moment), due to extra code-gen needs (e.g. widening loads and stores).
But in cases the intrinsic can directly be used, creating the widened
intrinsic directly would reduce the need to duplicate some recipes.


PR: https://github.com/llvm/llvm-project/pull/110489



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