find.rs

use std::io::*;

fn main() {
    let mut s = String::new();

    stdin().read_to_string(&mut s).unwrap();

    let mut lines = s.lines().enumerate();
    let start = loop {
        let (i, l) = lines.next().unwrap();
        if l.starts_with("define void") && l.contains("@foo") {
            break i
        }
    };

    while let Some((j, l)) = lines.next() {
        if l.ends_with(":") {
            continue
        }
        if l.contains(" alloca ") {
            continue
        }

        println!("{} allocas", j - start);
        break
    }
}