if (loop->n_sons > 0) {
/* we have child loops, mature them */
- int i;
+ size_t i;
- for (i = ARR_LEN(new_children) - 1; i >= 0; --i) {
- loop_element child = new_children[i];
+ for (i = ARR_LEN(new_children); i > 0;) {
+ loop_element child = new_children[--i];
if (*child.kind == k_ir_loop) {
mature_loops(child.son, obst);
for (i = 0; i < n; i++)
if (get_loop_element(loop, i).node == le)
return i;
- return (size_t)-1;
+ return INVALID_LOOP_POS;
}