[PATCH] D118167: [VPlan] Record whether scalar IVs are need in induction recipe.

[Florian Hahn via Phabricator via llvm-commits]

fhahn created this revision.
fhahn added reviewers: gilr, rengolin, Ayal.
Herald added subscribers: tschuett, psnobl, rogfer01, bollu, hiraditya.
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This explicitly records whether a scalar IV is needed in the
VPWidenIntOrFpInductionRecipe, to remove a dependence on the cost-model
during its ::execute.

It will also be used in D116123 <https://reviews.llvm.org/D116123> to determine if a vector phi will be
generated.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D118167

Files:
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/lib/Transforms/Vectorize/VPRecipeBuilder.h
  llvm/lib/Transforms/Vectorize/VPlan.h
  llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp

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