[PATCH] D126939: [SLP] Avoid converting undef to poison when gathering.

[Vasileios Porpodas via Phabricator via llvm-commits]

vporpo updated this revision to Diff 434139.
vporpo added a comment.

I think this fix should work better.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D126939/new/

https://reviews.llvm.org/D126939

Files:
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Transforms/SLPVectorizer/X86/broadcast_long.ll
  llvm/test/Transforms/SLPVectorizer/X86/diamond_broadcast_extra_shuffle.ll
  llvm/test/Transforms/SLPVectorizer/X86/insert-shuffle.ll
  llvm/test/Transforms/SLPVectorizer/X86/matched-shuffled-entries.ll
  llvm/test/Transforms/SLPVectorizer/X86/partail.ll
  llvm/test/Transforms/SLPVectorizer/X86/phi-undef-input.ll
  llvm/test/Transforms/SLPVectorizer/X86/reused-undefs.ll
  llvm/test/Transforms/SLPVectorizer/X86/vectorize-widest-phis.ll

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