[llvm] [SystemZ] XPLINK64: emit narrow sign/zero-extend instructions for sub-i32 formal args (PR #206833)

[Ulrich Weigand via llvm-commits]

https://github.com/uweigand commented:

I'm generally fine with the code changes now.  A couple of final -more cosmetic- comments inline.

https://github.com/llvm/llvm-project/pull/206833