[llvm] Port CodeGenPrepare to new pass manager (and BasicBlockSectionsProfil… (PR #75380)

[Matt Arsenault via llvm-commits]

arsenm wrote:

>  it looks like I am failing some tests because PSI is nullptr, PSI = MAMProxy.getCachedResult<ProfileSummaryAnalysis>(*F.getParent()); This would mean ProfileSummaryAnalysis is not cached and hasn't been run

getCachedResult is for optional analyses; if it's a hard requirement you should just use getResult instead to ensure it's available 

https://github.com/llvm/llvm-project/pull/75380