[llvm-branch-commits] [Lanai] Add test coverage for NewPM (PR #206200)

[Aiden Grossman via llvm-branch-commits]

https://github.com/boomanaiden154 created https://github.com/llvm/llvm-project/pull/206200

Just duplicate all the RUN lines to additionally call llc with the NewPM
given there are only a handful of tests.