[llvm] [RISCV] Add GetVTypeMinimalPredicates for the operation supported by zvfhmin. NFC. (PR #143847)

[Jim Lin via llvm-commits]

tclin914 wrote:

> FYI @tclin914 SiFive has patches for assembler and intrinsics for Zvfbfa internally. Should we provide those to upstream or have you already done the work yourself?
> 
> CC: @4vtomat

I haven't finished work on Zvfbfa yet. Contributions from SiFive for the Zvfbfa support would be greatly appreciated.

https://github.com/llvm/llvm-project/pull/143847