[llvm] [AMDGPU] Fix getAsmVOP3Base call agruments. (PR #144572)

[Brox Chen via llvm-commits]

broxigarchen wrote:

> > I thought HasSrcMods is for mod in asm string, but it's actually for dag? If this is the case, it surpises me that none of the vop3 insts hit this issue in upstream
> 
> Yes, somehow we got lucky.

Thanks. Now I see what happened

https://github.com/llvm/llvm-project/pull/144572