[llvm] [ctx_prof] CtxProfAnalysis: populate module data (PR #102930)

[Snehasish Kumar via llvm-commits]

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

lgtm, with some minor comments. The only one I have a strong opinion on is the use of attr vs disable-preinline for the test.

https://github.com/llvm/llvm-project/pull/102930