[llvm] [MergeFunctions] Preserve entry counts on folds (PR #202218)

[Alok Kumar Sharma via llvm-commits]

alokkrsharma wrote:

> This LGTM thanks for the fix! Let me know if you need me to merge this :)

Thanks for the review. I have merge permissions, so I can merge it myself. Appreciate you taking a look.

https://github.com/llvm/llvm-project/pull/202218