[PATCH] D115226: [RISCV] Use vmv.s.x to lower VID sequences that only the first element is inconsistent.

[Jianjian Guan via Phabricator via llvm-commits]

jacquesguan created this revision.
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Because we could use vmv.s.x to set the first element, we could lower a sequence to vid if only the first element is inconsistent.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D115226

Files:
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-int-buildvec.ll

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