Llvm Lua

wiki

[Project home page.]

Features

• JIT compile Lua scripts to native code using LLVM's JIT engine. JIT supports x86, x86_64, PowerPC 32/64 processors.
• Compile Lua scripts to native(to any cpu architecture supported by LLVM) executables.

File

• [llvm-lua-0.5.tar.bz] llvm-lua 0.5 code.

Requires

• [LLVM] 2.4 release.
• llvm-gcc 4.2.x from LLVM 2.4 or higher.

Patches to the included Lua 5.1.3 code

• [Emergency Garbage Collector]
• [LuaCoco-1.1.4], required for coroutine support.
• A few members where added to the Proto & Closure structures, to support the JIT/compile code.

TODO list

• Add support to compile Lua scripts to Lua native modules (.so or .dll).
• Add option to enable Lua debug hooks (line & count hooks don't work right now).
• Inline nil/boolean/number constants to improve performance.
• Move for loop's number type loop counters to cstack and convert it to 'int' from 'double'.
• Add support for tailcalls.
• Remove requirement of bitcode file "lua_vm_ops.bc" needing to be in working directory.
• Remove globals in llvm-compiler.cpp to make thread-safe.
• Add debug info to generated LLVM IR.