[llvm] [MemProf] Add v4 which contains CalleeGuids to CallSiteInfo. (PR #137394)

[Snehasish Kumar via llvm-commits]

snehasish wrote:

### Merge activity

* **May 1, 11:15 PM EDT**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/137394).


https://github.com/llvm/llvm-project/pull/137394