[llvm] [GISEL][RISCV] RegBank Scalable Vector Load/Store (PR #99932)

[Jiahan Xie via llvm-commits]

jiahanxie353 wrote:

Tests not passing only because they failed on [MIParser](https://github.com/llvm/llvm-project/pull/84965/files#diff-c72079b2a595aca3300d5e3c15d227f81937f2745f7c5494fcf1fe9ba37d8828). They will pass once that change in the legalizer patch gets merged.

https://github.com/llvm/llvm-project/pull/99932