[llvm] [RISCV][GISEL] Add IRTranslation for shufflevector on scalable vector types (PR #80378)

[Craig Topper via llvm-commits]

topperc wrote:

> @aemerson We would still need G_FSPLAT_VECTOR and G_SPLAT_VECTOR. If there are constants or operations?!?

Why would we need two? There's only one G_BUILD_VECTOR isn't there? Though I do see a G_BUILD_VECTOR_TRUNC. So maybe we need G_SPLAT_VECTOR and G_SPLAT_VECTOR_TRUNC?

https://github.com/llvm/llvm-project/pull/80378