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

[Brandon Wu via llvm-commits]

4vtomat wrote:

> Then we should add `TargetExtType::HasZeroInit` attribute to `riscv.vector.tuple` type in `llvm/lib/IR/Type.cpp:getTargetTypeInfo`?

Yeah, I think I added? Or do you mean we shouldn't add?

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