[rapsey]

I'm pretty sure it is not stable and not designed for such a use case.

[pjmlp]

Apple kind of disagrees with watchOS bitcode.

[tom_mellior]

"not designed for that use case" != "isn't used for that use case in practice"

Apple has tight control over the bitcode version and the target platforms supported by Xcode. That's not the same thing as accepting arbitrary LLVM bitcode files.

[pjmlp]

Nothing prevents LLVM project to adopt such variant, other than unwillingness to do so.