[llvm] [Passes][FuncSpec] Move optsize/minsize handling into pass (PR #189952)

[Alexandros Lamprineas via llvm-commits]

https://github.com/labrinea approved this pull request.

Thanks for the patch, it seems reasonable to me.

cc @momchil-velikov
I think you are looking at the pass pipelines these days if I am not mistaken. Justing bringing this to your attention.

https://github.com/llvm/llvm-project/pull/189952