[PATCH] D132063: [LV] Support vectorizing 'select index of minimum element' idiom. (WIP)

[Florian Hahn via Phabricator via llvm-commits]

fhahn updated this revision to Diff 495077.
fhahn added a comment.
Herald added subscribers: pcwang-thead, StephenFan.

Rebase and fix crash with VF=1 IC>1 (test added in 40621ff4b8a6214924 <https://reviews.llvm.org/rG40621ff4b8a6214924f6260f5d306386f9e78399>)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D132063/new/

https://reviews.llvm.org/D132063

Files:
  llvm/include/llvm/Analysis/IVDescriptors.h
  llvm/lib/Analysis/IVDescriptors.cpp
  llvm/lib/Transforms/Utils/LoopUtils.cpp
  llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
  llvm/test/Transforms/LoopVectorize/select-min-index.ll

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