[PATCH] D83646: [LV][LoopUtils] Add UseReductionIntrinsic to createTargetReduction

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: gilr, Ayal, fhahn, SjoerdMeijer.
Herald added subscribers: vkmr, rogfer01, hiraditya.
Herald added a project: LLVM.

This changes the interface to createTargetReduction and createSimpleTargetReduction to take a UseReductionIntrinsic bool, instead of asking TTI. This allows us to calculate UseReductionIntrinsic earlier in the vectorizer and reduce the need to propagate TTI into RecuctionRecipes.

In the process I added a getReductionFlags mathod for conveniently creating the TargetTransformInfo::ReductionFlags flags used by several methods.


https://reviews.llvm.org/D83646

Files:
  llvm/include/llvm/Analysis/IVDescriptors.h
  llvm/include/llvm/Transforms/Utils/LoopUtils.h
  llvm/lib/Analysis/IVDescriptors.cpp
  llvm/lib/Transforms/Utils/LoopUtils.cpp
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/lib/Transforms/Vectorize/VPlan.h

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