LLVM tutorials

LLVM tutorials for beginners.

Environments

These contents are tested under following environments:

• Mac OSX 10.7
• LLVM 3.2 (installed via homebrew)
• Apple clang version 2.1

Contents

hello_world

The most basic example of LLVM assembly code.

$ cd hello_world
$ llvm-gcc -S -o hello_world.s
$ lli hello_world.s
Hello, world!

handwritten_assembly_code

A tutorial for how to handwrite LLVM assembly code.

$ cd handwritten_assembly_code
$ lli handwritten_assembly_code.s
Hello, world!

main_maker

A tutorial to create LLVM assembly code via C++ API of LLVM.

$ cd main_maker
$ clang++ -g main_maker.cpp -o main_maker.out `llvm-config --cppflags --ldflags --libs` -ldl -lpthread
$ ./main_maker.out 2>&1 | lli
Hello, world!