+ /* and one for small non-recursive functions: we want them to be inlined in mostly every case */
+ else if (callee_env->n_nodes < 20 && !callee_env->recursive)
+ weight += 5000;
+
+ /* and finally for leaves: they do not increase the register pressure
+ because of callee safe registers */
+ else if (callee_env->n_call_nodes == 0)
+ weight += 25;
+
+ /*
+ * Reduce the weight for recursive function IFF not all arguments are const.
+ * inlining recursive functions is rarely good.
+ */
+ if (callee_env->recursive && !all_const)
+ weight -= 500;
+
+ /*
+ * All arguments constant is probably a good sign, give an extra bonus
+ */
+ if (all_const)
+ weight += 100;
+