Function regalloc_heap_alloc_and_uart_output

tests/integration/regalloc.rs:286–314

()

#[test]
fn regalloc_heap_alloc_and_uart_output() {
    // malloc results cross a call boundary into allocated registers; printing
    // exercises stdlib calls with allocated arguments.
    assert_equivalent(
        r#"
console := import("console")
external free: (p: i64*) -> void

main: () -> i32 {
    p: i64* = new(i64, 8)
    i: i64 = 0
    while i < 8 {
        p[i] = i * i
        i = i + 1
    }
    total: i64 = 0
    i = 0
    while i < 8 {
        total = total + p[i]
        i = i + 1
    }
    console.putchar(65 + (total % 26) as i32)
    console.putchar(10)
    free(p)
    return (total % 256) as i32
}
"#,
    );
}

#[test]
fn regalloc_composes_with_peephole_and_ir_opt() {
    // All three optimization flags together must still be behavior-preserving.