[llvm] [BOLT] BB can be cold, warm and hot. (PR #121475)

[via llvm-commits]

liusy58 wrote:

Yeah, In fact, I have implemented a new LongJmp for `cdsplit`. I will add them later. Since it will be a big patch, so I will add step by step.

https://github.com/llvm/llvm-project/pull/121475