[llvm] Port CodeGenPrepare to new pass manager (and BasicBlockSectionsProfil… (PR #77182)

[Aiden Grossman via llvm-commits]

https://github.com/boomanaiden154 commented:

No regressions for me locally testing this with expensive checks.

Looks like the only change between this version of the patch and the last version of the patch is removing the preservation of the CFGAnalyses:
```
-  PA.preserveSet<CFGAnalyses>();
```

https://github.com/llvm/llvm-project/pull/77182