reid-llvm/reid-llvm-lib/examples/libtest.rs
2025-06-28 21:58:35 +03:00

43 lines
1.4 KiB
Rust

use reid_lib::{Context, IntPredicate, types::BasicType};
pub fn main() {
// Notes from inkwell:
// - Creating new values should probably just be functions in the context
// - Creating functions should probably be functions from module
// - Builder could well be it's own struct
// - Although, I do like the fact where blocks move the builder by itself..
let context = Context::new();
let module = context.module("testmodule");
let int_32 = context.type_i32();
let secondary = module.add_function(int_32.function_type(&[]), "secondary");
let s_entry = secondary.block("entry");
s_entry.ret(&int_32.from_signed(54)).unwrap();
let function = module.add_function(int_32.function_type(&[]), "main");
let entry = function.block("entry");
let v1 = int_32.from_signed(100);
let v2 = entry.call(&secondary, vec![], "call").unwrap();
let lhs_cmp = entry.add(&v1, &v2, "add").unwrap();
let rhs_cmp = int_32.from_signed(200);
let cond_res = entry
.integer_compare(&lhs_cmp, &rhs_cmp, &IntPredicate::SLT, "cmp")
.unwrap();
let (lhs, rhs) = entry.conditional_br(&cond_res, "lhs", "rhs").unwrap();
lhs.ret(&int_32.from_signed(123)).unwrap();
rhs.ret(&int_32.from_signed(456)).unwrap();
match module.print_to_string() {
Ok(v) => println!("{}", v),
Err(e) => println!("Err: {:?}", e),
}
}