[PATCH] D153112: [RISCV] Match shl (ext v, splat 1) to vector widening add.

[Jianjian Guan via Phabricator via llvm-commits]

jacquesguan created this revision.
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Since we use match shl (v, splat 1) to vadd, we could also expand to widening add.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D153112

Files:
  llvm/lib/Target/RISCV/RISCVInstrInfoVSDPatterns.td
  llvm/test/CodeGen/RISCV/rvv/mgather-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/mscatter-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vpgather-sdnode.ll
  llvm/test/CodeGen/RISCV/rvv/vpscatter-sdnode.ll

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