[PATCH] D121771: [RISCV] Add basic cost model for vector casting

[Yeting Kuo via Phabricator via llvm-commits]

fakepaper56 updated this revision to Diff 416131.
fakepaper56 added a comment.

Change the approach of cost model to caculate the vector casting counts.
I don't consider vsetvli in this patch, but it may cause the cost not accurated
for multiple conversioin.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D121771/new/

https://reviews.llvm.org/D121771

Files:
  llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
  llvm/lib/Target/RISCV/RISCVTargetTransformInfo.h
  llvm/test/Analysis/CostModel/RISCV/cast.ll

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