[PATCH] D133891: [SLP]Improve isUndefVector function by adding insertelement analysis.

[Alexey Bataev via Phabricator via llvm-commits]

ABataev updated this revision to Diff 460268.
ABataev added a comment.

Relaxed constraints, updated function description


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D133891/new/

https://reviews.llvm.org/D133891

Files:
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Transforms/SLPVectorizer/X86/buildvector-same-lane-insert.ll
  llvm/test/Transforms/SLPVectorizer/X86/cmp-as-alternate-ops.ll
  llvm/test/Transforms/SLPVectorizer/X86/insert-element-build-vector.ll

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