[llvm-branch-commits] [BPF][NewPM] Port bpf-check-and-opt-ir (PR #207787)

[Aiden Grossman via llvm-branch-commits]

https://github.com/boomanaiden154 created https://github.com/llvm/llvm-project/pull/207787

Standard pass porting. Part of the effort to make BPF work solely with
the new pass manager.