[llvm] [RISCV][VLOPT] Add support for integer multiply-add instructions (PR #112216)

[Luke Lau via llvm-commits]

lukel97 wrote:

> > > Should we have tests where vmacc is the using instruction so we test the operand info for the source operands?
> > 
> > 
> > The vop_vv* tests in vl-opt-op-info.mir should also test the same getOperandInfo cases
> 
> Are you saying the tests already exist? Or are you asking Michael to add more tests to that file?

They already exist

https://github.com/llvm/llvm-project/pull/112216