[PATCH] D115462: [SLP]Improve shuffles cost estimation where possible.

[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/fixed cost modeling for shuffles by providing masks, improved
cost model for non-identity insertelements.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D115462

Files:
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Transforms/SLPVectorizer/X86/alternate-int-inseltpoison.ll
  llvm/test/Transforms/SLPVectorizer/X86/alternate-int.ll

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