[llvm] [RISCV][GISel] Instruction select for vector G_ADD, G_SUB (PR #74114)

[Michael Maitland via llvm-commits]

michaelmaitland wrote:

> Thanks! Seems like the link to the lowerFormalArguments patch is not working? Can you send again?
https://github.com/llvm/llvm-project/commit/ac4ff6168ab803db282f56af05270faf916f22e2


https://github.com/llvm/llvm-project/pull/74114