[PATCH] D125326: [RISCV] Add caching to the gather/scatter to strided load/store conversion.

[Craig Topper via Phabricator via llvm-commits]

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If we have multiple gather/scatter instructions using the same the
same strided address we would scalarize it multiple times. I guess
a later pass cleans this up, but I don't know if that's guaranteed.

This patch adds a cache to remember the scalarization we already
created for a previous gather/scatter.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D125326

Files:
  llvm/lib/Target/RISCV/RISCVGatherScatterLowering.cpp
  llvm/test/CodeGen/RISCV/rvv/fixed-vector-strided-load-store.ll

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