[llvm] [RFC] IR: Support atomicrmw FP ops with vector types (PR #86796)

[James Y Knight via llvm-commits]

https://github.com/jyknight commented:

> I have support for fp vector typed xchg, and vector of int/ptr separately implemented

Does supporting those require substantially different code than you've already modified here? Perhaps should just do it at the same time for consistency?

https://github.com/llvm/llvm-project/pull/86796