[PATCH] D103247: [SLP]Allow to reorder nodes with >2 scalar values.

[Alexey Bataev via Phabricator via llvm-commits]

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

tryToVectorizeList function allows to reorder only 2 scalars. Patch
allows to reorder >2 scalars. Also, to avoid possible regressions, it
allows extra vectorization of the remaining parts of the scalars
elements if possible.

Part of D57059 <https://reviews.llvm.org/D57059>.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D103247

Files:
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Transforms/SLPVectorizer/AArch64/gather-root.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/crash_cmpop.ll
  llvm/test/Transforms/SLPVectorizer/X86/phi.ll
  llvm/test/Transforms/SLPVectorizer/X86/pr49081.ll
  llvm/test/Transforms/SLPVectorizer/X86/resched.ll
  llvm/test/Transforms/SLPVectorizer/X86/rgb_phi.ll
  llvm/test/Transforms/SLPVectorizer/X86/sext-inseltpoison.ll
  llvm/test/Transforms/SLPVectorizer/X86/sext.ll

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