[clang] [llvm] [AMDGPU] Add intrinsics for v_[pk]_add_{min|max}_* instructions (PR #164731)

[Stanislav Mekhanoshin via llvm-commits]

rampitec wrote:

> > Pattern is trivial, but practically impossible to achieve from a source code.
> 
> No, the saturating add pattern is already matched and has clang builtins

I agree. But I do not want to educate everyone every odd day how to get it working. Users wanted intrinsics, I give up.

https://github.com/llvm/llvm-project/pull/164731