A complier using LLVM for the esoteric language Whirl (blog.bigzaphod.org)

Wow! This reminds of Knuth's MIX, core wars, Post-Turing machine et al.

In http://bigzaphod.org/whirl/llvm/whirl-llvm.cpp, I'm intrigued by the block:

extern "C" {

#include "whirl-runtime.c"

}