[llvm] [RISCV] Add new tests for RISCV zicond extension (PR #143580)

[Mikhail Gudim via llvm-commits]

mgudim wrote:

> > > Please test `+xventanacondops` too. They have identical semantics to Zicond and all code paths affect that extension too.
> > 
> > 
> > We plan to remove 'xventanacondops' and just go with zicondops
> 
> Did xventanacondops ever ship in real hardware?

No

https://github.com/llvm/llvm-project/pull/143580