[PATCH] D105827: [SLP]Workaround for InsertSubVector cost.

[Alexey Bataev via Phabricator via llvm-commits]

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

The cost of the InsertSubvector shuffle kind cost is not complete and
may end up with just extracts + inserts costs in many cases. Added
a workaround to represent it as a generic PermuteSingleSrc, which is
still pessimistic but better than InsertSubvector.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D105827

Files:
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Transforms/SLPVectorizer/AArch64/accelerate-vector-functions-inseltpoison.ll
  llvm/test/Transforms/SLPVectorizer/AArch64/accelerate-vector-functions.ll
  llvm/test/Transforms/SLPVectorizer/X86/alternate-calls-inseltpoison.ll
  llvm/test/Transforms/SLPVectorizer/X86/alternate-calls.ll
  llvm/test/Transforms/SLPVectorizer/X86/alternate-int-inseltpoison.ll
  llvm/test/Transforms/SLPVectorizer/X86/alternate-int.ll
  llvm/test/Transforms/SLPVectorizer/X86/cmp_commute-inseltpoison.ll
  llvm/test/Transforms/SLPVectorizer/X86/cmp_commute.ll
  llvm/test/Transforms/SLPVectorizer/X86/pr47629-inseltpoison.ll
  llvm/test/Transforms/SLPVectorizer/X86/pr47629.ll
  llvm/test/Transforms/SLPVectorizer/X86/resched.ll
  llvm/test/Transforms/SLPVectorizer/X86/vec_list_bias-inseltpoison.ll
  llvm/test/Transforms/SLPVectorizer/X86/vec_list_bias.ll

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