[PATCH] D100486: [COST]Improve cost model for shuffles in SLP.

[Alexey Bataev via Phabricator via llvm-commits]

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

Introduced masks where they are not added and improved target dependent
cost models to avoid returning of the incorrect cost results after
adding masks.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D100486

Files:
  llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
  llvm/lib/Target/X86/X86TargetTransformInfo.cpp
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Analysis/CostModel/AArch64/getIntrinsicInstrCost-vector-reverse.ll
  llvm/test/Analysis/CostModel/X86/reduction.ll
  llvm/test/Analysis/CostModel/X86/shuffle-reverse.ll
  llvm/test/Analysis/CostModel/X86/shuffle-single-src.ll
  llvm/test/Transforms/LoopVectorize/AArch64/vector-reverse-mask4.ll

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