ShatianWang wrote: Based on comments from and offline discussion with @maksfb, added [fixup! [BOLT] Add structure of CDSplit to SplitFunctions](https://github.com/llvm/llvm-project/pull/73430/commits/165b75fbeb81af70629007838f76f784eec712d5) https://github.com/llvm/llvm-project/pull/73430