[llvm] [RISCV] Handle zeroinitializer of vector tuple Type (PR #113995)

[Philip Reames via llvm-commits]

preames wrote:

I'm clearly missing some context here, but... why do we need anything specific here to RISCVTupleType at all?  At the IR level, why is this not simply a struct?  I'd have assumed we already had the lowering for a first class aggregate, what am I missing here?

https://github.com/llvm/llvm-project/pull/113995