[all-commits] [llvm/llvm-project] 7e9989: [VPlan] Materialize Build(Struct)Vectors for VPRep...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7e9989390d95cbb382cb2dc9eb44b37717e23738
      https://github.com/llvm/llvm-project/commit/7e9989390d95cbb382cb2dc9eb44b37717e23738
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2025-08-18 (Mon, 18 Aug 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/lib/Transforms/Vectorize/VPlan.cpp
    M llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.h
    M llvm/lib/Transforms/Vectorize/VPlanUnroll.cpp

  Log Message:
  -----------
  [VPlan] Materialize Build(Struct)Vectors for VPReplicateRecipes. (NFCI) (#151487)

Materialze Build(Struct)Vectors explicitly for VPRecplicateRecipes, to
serve their users requiring a vector, instead of doing so when unrolling
by VF.

Now we only need to implicitly build vectors in VPTransformState::get
for VPInstructions. Once they are also unrolled by VF we can remove the
code-path alltogether.

PR: https://github.com/llvm/llvm-project/pull/151487



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