It’s not fully functional in:
They are working on supporting all the new features. The swedish university that was working on it has scaled back I believe at least for the llvm part.
https://github.com/erlang/otp/pull/2262
The compiler team has been working on some really cool optimisations which is existing.
Plus an other thing I’ve been aware of for a long time without information is coming out, it’s probably not as optimises as we want to but might be a cool thing for the future:
https://www.researchgate.net/publication/266661009_BEAMJIT_a_just-in-time_compiling_runtime_for_Erlang
