[llvm] [llvm] revisions to `LLVM_ABI` export macro definitions (PR #144598)

[Saleem Abdulrasool via llvm-commits]

compnerd wrote:

Yeah, I could see this being an intermediary step. Could you please file an issue and link it in the code? I think that with the reference as to what needs to be done, I would be okay with this moving forward.

https://github.com/llvm/llvm-project/pull/144598