[llvm] [RISCV] vsetvl pseudo may cross inline asm without sideeffect (PR #97794)

[Pengcheng Wang via llvm-commits]

wangpc-pp wrote:

I don't know if I understand correctly, correct me if I am wrong.
I think the behavior is correct, since the scheduler doesn't see the dependency of vl for `vfmadd.vv` instruction.

https://github.com/llvm/llvm-project/pull/97794