[PATCH] D148524: [RISCV] Check for COPY_TO_REGCLASS in usesAllOnesMask

[Luke Lau via Phabricator via llvm-commits]

luke created this revision.
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Sometimes with mask vectors that have been widened, there is a
CopyToRegClass node in between the VMSET and the CopyToReg.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D148524

Files:
  llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-abs-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-abs.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-ceil-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-floor-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-nearbyint-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-rint-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-round-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-roundeven-vp.ll
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-roundtozero-vp.ll

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