[PATCH] D121256: [RISCV] Teach shouldSinkOperands to sink all true mask for scalable vector VP intrinsics.

[Craig Topper via Phabricator via llvm-commits]

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Creating an all ones mask requires an insertelement and a shufflevector.
These will be pulled out of loops by LICM. We need to sink them back down so
our isel patterns can see them.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D121256

Files:
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/test/CodeGen/RISCV/rvv/sink-splat-operands.ll

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