[PATCH] D140100: [SLP]Integrate looking through shuffles logic into ShuffleInstructionBuilder.

[Alexey Bataev via Phabricator via llvm-commits]

ABataev created this revision.
ABataev added reviewers: RKSimon, vdmitrie.
Herald added subscribers: vporpo, hiraditya.
Herald added a project: All.
ABataev requested review of this revision.
Herald added a subscriber: pcwang-thead.
Herald added a project: LLVM.

Added BaseShuffleAnalysis as a base class for ShuffleInstructionBuilder
and integrated shuffle logic from shuffles for externally used scalars
into this class. This class is used as the main container that
implements smart shuffle instruction builder logic.
ShuffleInstructionBuilder uses this logic.
ShuffleInstructionBuilder is also used in building of the shuffle for
the externally used scalars instead of lambdas, which are now part of BaseShuffleAnalysis class.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D140100

Files:
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Transforms/SLPVectorizer/AArch64/tsc-s116.ll
  llvm/test/Transforms/SLPVectorizer/X86/buildvector-same-lane-insert.ll
  llvm/test/Transforms/SLPVectorizer/X86/jumbled_store_crash.ll
  llvm/test/Transforms/SLPVectorizer/X86/reduced-gathered-vectorized.ll
  llvm/test/Transforms/SLPVectorizer/X86/reorder-reused-masked-gather.ll

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