@extern putchar fun: character u32 -> u32

User blob
    num1 s32
    num2 u8
;

rawAdd raw<"=r,r,r">: num1 u32, num2 u32 -> u32
    add $1, $2
    mov $0, $1
;

main fun -> u32
    n1 u32 <- 5
    n2 u32 <- 4
    n3 u32 <- rawAdd(n1, n2)

    ret 0
;