[PATCH] D107104: [SLP]Improve splats vectorization.

[Alexey Bataev via Phabricator via llvm-commits]

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

Replace insertelement instructions for splats with just single
insertelement + broadcast shuffle. Also, try to merge these instructions
if they come from the same/shuffled gather node.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D107104

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/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/extractcost.ll
  llvm/test/Transforms/SLPVectorizer/X86/horizontal-list.ll
  llvm/test/Transforms/SLPVectorizer/X86/insert-after-bundle.ll
  llvm/test/Transforms/SLPVectorizer/X86/loopinvariant.ll
  llvm/test/Transforms/SLPVectorizer/X86/multi_user.ll
  llvm/test/Transforms/SLPVectorizer/X86/remark_extract_broadcast.ll
  llvm/test/Transforms/SLPVectorizer/X86/resched.ll
  llvm/test/Transforms/SLPVectorizer/X86/saxpy.ll
  llvm/test/Transforms/SLPVectorizer/X86/tiny-tree.ll
  llvm/test/Transforms/SLPVectorizer/X86/used-reduced-op.ll
  llvm/test/Transforms/SLPVectorizer/slp-max-phi-size.ll

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