[PATCH] D90124: [SLP] Pass VecPred argument to getCmpSelInstrCost.

[Florian Hahn via Phabricator via llvm-commits]

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

Check if all compares in VL have the same predicate and pass it to
getCmpSelInstrCost, to improve cost-modeling on targets that only
support compare/select combinations for certain uniform predicates.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D90124

Files:
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Transforms/SLPVectorizer/AArch64/horizontal.ll
  llvm/test/Transforms/SLPVectorizer/AArch64/vectorizable-selects-min-max.ll
  llvm/test/Transforms/SLPVectorizer/AArch64/vectorizable-selects-uniform-cmps.ll

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