[llvm-branch-commits] [llvm] [BOLT][NFC] Refactoring CallGraph (PR #96922)

[Amir Ayupov via llvm-branch-commits]

https://github.com/aaupov approved this pull request.

LGTM but please ensure that the diff passes NFC checks and shared build work.

https://github.com/llvm/llvm-project/pull/96922