[all-commits] [llvm/llvm-project] 8c88fa: [VPlan] Lower CanIVIncrementForPart in convertToCo...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8c88fae6764a33affa7e99449694427df9171aa8
      https://github.com/llvm/llvm-project/commit/8c88fae6764a33affa7e99449694427df9171aa8
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2026-04-08 (Wed, 08 Apr 2026)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
    M llvm/test/Transforms/LoopVectorize/AArch64/scalable-strict-fadd.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-unroll.ll

  Log Message:
  -----------
  [VPlan] Lower CanIVIncrementForPart in convertToConcreteRecipes. (#190844)

Move the lowering of CanonicalIVIncrementForPart from generate() to
convertToConcreteRecipes, converting it to an Add VPInstruction at the
VPlan level. This enables VPlan-level simplifications (e.g., folding add
0, x) and prepares for adding a 3-operand form.

PR: https://github.com/llvm/llvm-project/pull/190844



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