[llvm] [CodeGen] Support MachineFunctionProperties in PassConcept (PR #79749)

[Arthur Eubanks via llvm-commits]

https://github.com/aeubanks commented:

I'm not sure why PassManager and its surrounding infra is even in the IR library instead of Passes. we should try moving it

https://github.com/llvm/llvm-project/pull/79749