//test file for common subexpression eliminiation (cse)
int main(){

    int a = 1;
    int b = 2; 
    int c, d, e, f;

    c = a + b;

    if(c > 0){
        b = 3;
        d = a + b;
    }
    
    e = a + b;

    return e;
}
