[llvm] [RISCV][GISel] Legalize G_INSERT_VECTOR_ELT for supported vector types (PR #159708)

[Craig Topper via llvm-commits]

topperc wrote:

> Can you add end to end IR tests? Those should be the preferred starting point for all legalizer tests. Mir should be left for testing edge cases

We don't have a generic insert vector element instruction in RISC-V so there's no existing isel pattern that could match.

@jacquesguan What's the plan here?

https://github.com/llvm/llvm-project/pull/159708