[PATCH] D107883: [RISCV] Select vector mul by 2 to a vector add.

[Jianjian Guan via Phabricator via llvm-commits]

jacquesguan updated this revision to Diff 365920.
jacquesguan added a comment.

Teach isKnownToBeAPowerOfTwo handle SPLAT_VECTOR.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D107883/new/

https://reviews.llvm.org/D107883

Files:
  llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  llvm/test/CodeGen/RISCV/rvv/vmul-sdnode-rv32.ll
  llvm/test/CodeGen/RISCV/rvv/vmul-sdnode-rv64.ll

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