list_function_names.rs

extern crate llvm_sys;

use std::ffi::CStr;
use llvm_sys::core::*;
use llvm_sys::bit_reader::*;

fn main() {
    unsafe {
        let mut llvm_module = std::mem::uninitialized();
        let mut buffer = std::mem::uninitialized();
        let mut message = std::mem::uninitialized();
        LLVMCreateMemoryBufferWithContentsOfFile(b"./test.bc\0" as *const u8 as *const i8, &mut buffer, &mut message);
        LLVMParseBitcode2(buffer, &mut llvm_module);
        let mut fun = LLVMGetFirstFunction(llvm_module);
        while !fun.is_null() {
            let name = LLVMGetValueName(fun);
            println!("fn {}", CStr::from_ptr(name).to_string_lossy());
            fun = LLVMGetNextFunction(fun);
        }
        LLVMDisposeModule(llvm_module);
    }
}