[llvm-branch-commits] [llvm] [AMDGPU][SplitModule] Add entry points for unreachable call cycles (PR #230984)

[Krzysztof Drewniak via llvm-branch-commits]

https://github.com/krzysz00 approved this pull request.

Seems OK? I don't know if there are helper methods that'd clean this up though

https://github.com/llvm/llvm-project/pull/230984