[PATCH] D113782: [SLP]Improve cost model for the shuffled extracts.

[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.

Improved the calculation of the shuffled extracts, where possible. Need
to calculate the cost for the extracted scalars if some users are not
insertelements + improved the total estimation of the shuffled scalars
used in insertelements build vectors.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D113782

Files:
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Transforms/SLPVectorizer/X86/load-merge-inseltpoison.ll
  llvm/test/Transforms/SLPVectorizer/X86/load-merge.ll
  llvm/test/Transforms/SLPVectorizer/X86/vec_list_bias-inseltpoison.ll
  llvm/test/Transforms/SLPVectorizer/X86/vec_list_bias.ll

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