use inkwell::context::Context;
use inkwell::execution_engine::JitFunction;
use inkwell::targets::{InitializationConfig, Target};
use inkwell::OptimizationLevel;
#[test]
fn test_tari_example() {
Target::initialize_native(&InitializationConfig::default()).expect("Failed to initialize native target");
let context = Context::create();
let module = context.create_module("sum");
let builder = context.create_builder();
let execution_engine = module.create_jit_execution_engine(OptimizationLevel::None).unwrap();
let i64_type = context.i64_type();
let fn_type = i64_type.fn_type(&[i64_type.into(), i64_type.into(), i64_type.into()], false);
let function = module.add_function("sum", fn_type, None);
let basic_block = context.append_basic_block(function, "entry");
builder.position_at_end(basic_block);
let x = function.get_nth_param(0).unwrap().into_int_value();
let y = function.get_nth_param(1).unwrap().into_int_value();
let z = function.get_nth_param(2).unwrap().into_int_value();
let sum = builder.build_int_add(x, y, "sum");
let sum = builder.build_int_add(sum, z, "sum");
builder.build_return(Some(&sum));
unsafe {
type Sum = unsafe extern "C" fn(u64, u64, u64) -> u64;
let sum: JitFunction<Sum> = execution_engine.get_function("sum").unwrap();
let x = 1u64;
let y = 2u64;
let z = 3u64;
assert_eq!(sum.call(x, y, z), x + y + z);
}
}