[llvm] [InstCombine][RISCV] Convert VPIntrinsics with splat operands to splats (PR #65706)

[Michael Maitland via llvm-commits]

michaelmaitland wrote:

> Would it make sense to do this in VectorCombine::scalarizeBinopOrCmp? It seems to have some cost modelling in there which I'd imagine would be good to take advantage of

It isn't quite similar enough to fit right into VectorCombine::scalarizeBinopOrCmp, but I've put it in right around that same area. Having the cost model from VectorCombine there is a great idea.

https://github.com/llvm/llvm-project/pull/65706