clang-jit

Example of C Compiler using JIT Engine of Clang.

Overview

This is a sample of how to use Clang JIT Engine. I did a lot of searching how to do it, combining information, so many try & error, and I finally got it. I hope this information will help a lot of people.

Note: This information only for Windows.

Building Clang

See clang/README.md for details. I tried this with the version 8.0.0 of Clang.

Point Of View.

• If you want to use a host prgrams funcion, please see predef.cpp.
• jit.h is available for C and C++. It defines ClangJitCompiler class wrapping C functions.

How to Make It

Build It

Try below after preparing Clang library modules under clang folder.

$ make.cmd

Now you will find krycc.exe.

Test It

Look at the folder carefully, and you will also find fib.c. Just do it as below.

$ krycc.exe fib.c
9227465

That's all.

Clang...

Clang is very amazing compiler frontend and backend and it has a very high level optimizer. But it is too much big component... For example, my krycc.exe is over 30MB with only one executable file.

If you want a compact C Compiler for your light use with direct execution on JIT or VM, look at kcs.

I believe it will help you.