[PATCH] D126432: [SLP][TTI][X86] Implement addsub cost calculation.

[Vasileios Porpodas via Phabricator via llvm-commits]

vporpo created this revision.
vporpo added reviewers: vdmitrie, ABataev, dmgreen, RKSimon.
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This patch adds support for the addsub instructions in SLP's getEntryCost().
This relies on extending TTI->getShuffleCost() to return the correct cost
for such instructions.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D126432

Files:
  llvm/lib/Target/X86/X86TargetTransformInfo.cpp
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Analysis/CostModel/X86/shuffle-add-sub.ll
  llvm/test/Transforms/SLPVectorizer/X86/supernode.ll

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