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

[Vasileios Porpodas via Phabricator via llvm-commits]

vporpo updated this revision to Diff 434215.
vporpo marked an inline comment as done.
vporpo added a comment.

Updated the fix. It seems to be generating broadcasts with insertelements now instead of shuffles.


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/AArch64/loadi8.ll
  llvm/test/Transforms/SLPVectorizer/AArch64/vectorizable-selects-uniform-cmps.ll
  llvm/test/Transforms/SLPVectorizer/AArch64/vectorize-free-extracts-inserts.ll
  llvm/test/Transforms/SLPVectorizer/X86/PR35628_2.ll
  llvm/test/Transforms/SLPVectorizer/X86/bad-reduction.ll
  llvm/test/Transforms/SLPVectorizer/X86/barriercall.ll
  llvm/test/Transforms/SLPVectorizer/X86/broadcast.ll
  llvm/test/Transforms/SLPVectorizer/X86/broadcast_long.ll
  llvm/test/Transforms/SLPVectorizer/X86/commutativity.ll
  llvm/test/Transforms/SLPVectorizer/X86/cse.ll
  llvm/test/Transforms/SLPVectorizer/X86/diamond.ll
  llvm/test/Transforms/SLPVectorizer/X86/diamond_broadcast.ll
  llvm/test/Transforms/SLPVectorizer/X86/diamond_broadcast_extra_shuffle.ll
  llvm/test/Transforms/SLPVectorizer/X86/extract-scalar-from-undef.ll
  llvm/test/Transforms/SLPVectorizer/X86/extractcost.ll
  llvm/test/Transforms/SLPVectorizer/X86/hoist.ll
  llvm/test/Transforms/SLPVectorizer/X86/horizontal-list.ll
  llvm/test/Transforms/SLPVectorizer/X86/insert-after-bundle.ll
  llvm/test/Transforms/SLPVectorizer/X86/insert-shuffle.ll
  llvm/test/Transforms/SLPVectorizer/X86/landing_pad.ll
  llvm/test/Transforms/SLPVectorizer/X86/loopinvariant.ll
  llvm/test/Transforms/SLPVectorizer/X86/matched-shuffled-entries.ll
  llvm/test/Transforms/SLPVectorizer/X86/multi_user.ll
  llvm/test/Transforms/SLPVectorizer/X86/odd_store.ll
  llvm/test/Transforms/SLPVectorizer/X86/partail.ll
  llvm/test/Transforms/SLPVectorizer/X86/phi-undef-input.ll
  llvm/test/Transforms/SLPVectorizer/X86/reduction-logical.ll
  llvm/test/Transforms/SLPVectorizer/X86/remark_extract_broadcast.ll
  llvm/test/Transforms/SLPVectorizer/X86/reorder_with_external_users.ll
  llvm/test/Transforms/SLPVectorizer/X86/resched.ll
  llvm/test/Transforms/SLPVectorizer/X86/reused-undefs.ll
  llvm/test/Transforms/SLPVectorizer/X86/saxpy.ll
  llvm/test/Transforms/SLPVectorizer/X86/slp-fma-loss.ll
  llvm/test/Transforms/SLPVectorizer/X86/stacksave-dependence.ll
  llvm/test/Transforms/SLPVectorizer/X86/tiny-tree.ll
  llvm/test/Transforms/SLPVectorizer/X86/used-reduced-op.ll
  llvm/test/Transforms/SLPVectorizer/X86/vectorize-widest-phis.ll

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