[aykevl]

Yes, there is a fair bit of documentation. But it is nowhere near any popular general purposes language. Also, most documentation isn't very accessible if you're not a compiler developer already.

(Note: I'm the author of the post)

[vnorilo]

If someone wants to get started on building a LLVM backed language, I’d recommend go with the Kaleidoscope tutorial [0] if one is new to compilers.

0: https://llvm.org/docs/tutorial/LangImpl01.html