[llvm] [FMV][GlobalOpt] Bypass the IFunc Resolver of MultiVersioned functions. (PR #87939)

[Jon Roelofs via llvm-commits]

jroelofs wrote:

Yes, this optimization is still interesting to me, but I’m not in a rush. We can take our time on it. I have a non-FMV project I need to focus on over the summer, but I expect to pick up work on things in this area in the fall.

https://github.com/llvm/llvm-project/pull/87939