[PATCH] D115955: [SLP]Alternate vectorization for cmp instructions.

[Alexey Bataev via Phabricator via llvm-commits]

ABataev created this revision.
ABataev added reviewers: RKSimon, anton-afanasyev, dtemirbulatov.
Herald added a subscriber: hiraditya.
ABataev requested review of this revision.
Herald added a project: LLVM.

Added support for alternate ops vectorization of the cmp instructions.
It allows to vectorize either cmp instructions with same/swapped
predicate but different (swapped) operands kinds or cmp instructions
with different predicates and compatible operands kinds.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D115955

Files:
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Transforms/PhaseOrdering/X86/vector-reductions-logical.ll
  llvm/test/Transforms/SLPVectorizer/X86/cmp_commute-inseltpoison.ll
  llvm/test/Transforms/SLPVectorizer/X86/cmp_commute.ll
  llvm/test/Transforms/SLPVectorizer/X86/horizontal-minmax.ll
  llvm/test/Transforms/SLPVectorizer/X86/reduction-logical.ll

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