-#define sched_get_time_step(irn) _sched_get_time_step(irn)
-#define sched_has_succ(irn) _sched_has_succ(irn)
-#define sched_has_prev(irn) _sched_has_prev(irn)
-#define sched_succ(irn) _sched_succ(irn)
-#define sched_prev(irn) _sched_prev(irn)
-#define sched_first(irn) _sched_first(irn)
-#define sched_last(irn) _sched_last(irn)
-#define sched_add_before(before, irn) _sched_add_before(before, irn)
-#define sched_add_after(after, irn) _sched_add_after(after, irn)
+/**
+ * Predicate for sched_skip(), returns non-zero if irn is a control flow changing node.
+ *
+ * @param irn the node to evaluate
+ * @param data an arch_env_t * used to determine if irn is a cf
+ * node for the given architecture
+ */
+int sched_skip_cf_predicator(const ir_node *irn, void *data);
+
+/**
+ * Predicate for sched_skip(), returns non-zero if irn is a Phi node.
+ *
+ * Used with sched_skip().
+ *
+ * @param irn the node to evaluate
+ * @param data unused
+ */
+int sched_skip_phi_predicator(const ir_node *irn, void *data);
+
+/**
+ * Skip nodes in a schedule.
+ * @param from The node to start from.
+ * @param forward The direction (1 for forward, 0 for backward).
+ * @param predicator The predicator function which decides what is skipped.
+ * @param data context parameter for the predicator.
+ *
+ * @return The first node not rejected by the predicator or the block
+ * itself if all nodes were rejected.
+ */
+ir_node *sched_skip(ir_node *from, int forward, sched_predicator_t *predicator, void *data);
+
+#define have_sched_info(irg) _have_sched_info(irg)
+#define sched_get_time_step(irn) _sched_get_time_step(irn)
+#define sched_has_next(irn) _sched_has_next(irn)
+#define sched_has_prev(irn) _sched_has_prev(irn)
+#define sched_next(irn) _sched_next(irn)
+#define sched_prev(irn) _sched_prev(irn)
+#define sched_first(irn) _sched_first(irn)
+#define sched_last(irn) _sched_last(irn)
+#define sched_add_before(before, irn) _sched_add_before(before, irn)
+#define sched_add_after(after, irn) _sched_add_after(after, irn)
+#define sched_remove(irn) _sched_remove(irn)