[PATCH] D145678: [RISCV] Model interleave and deinterleave shuffles

[Luke Lau via Phabricator via llvm-commits]

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Interleave and deinterleave shuffles are lowered by a more efficient
sequence if the element size is smaller than ELEN.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D145678

Files:
  llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
  llvm/test/Analysis/CostModel/RISCV/shuffle-interleave.ll

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