[llvm] [BOLT] Tidy up code (PR #92927)

[Heewon Cho via llvm-commits]

Pribess wrote:

> Can you please split up the two changes? As per LLVM policy:
> 
> > Each change should be kept as small as possible. This simplifies your work (into a logical progression), simplifies code review and reduces the chance that you will get negative feedback on the change. Small increments also facilitate the maintenance of a high quality code base.

You mean i should split up commits to two PR?

https://github.com/llvm/llvm-project/pull/92927