/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
* @param irn The node.
* @param edge An ir_edge_t pointer which shall be set to the current edge.
* @param ne The next edge, enables alteration safe edge processing.
+ * @param kind The kind of the edge.
*/
#define foreach_out_edge_kind_safe(irn, edge, ne, kind) \
for((edge) = (get_irn_out_edge_first_kind(irn, kind)), (ne) = ((edge) ? (get_irn_out_edge_next(irn, edge)) : NULL); \
*/
ir_node *get_edge_src_irn(const ir_edge_t *edge);
-/**
- * Get the number of edges pointing to a node.
- * @param irn The node.
- * @return The number of edges pointing to this node.
- */
-int get_irn_n_edges(const ir_node *irn);
-
/**
* Get the position of an edge.
* @param edge The edge.
* @return The position in the in array of that edges source.
*/
-extern int get_edge_src_pos(const ir_edge_t *edge);
+int get_edge_src_pos(const ir_edge_t *edge);
/**
* Get the edge object of an outgoing edge at a node.
- * @param irg The graph, the node is in.
- * @param irn The node at which the edge originates.
- * @param pos The position of the edge.
+ * @param irg The graph, the node is in.
+ * @param irn The node at which the edge originates.
+ * @param pos The position of the edge.
+ * @param kind The kind of the edge.
* @return The corresponding edge object or NULL,
* if no such edge exists.
*/
* @param irn The node.
* @param kind The kind.
*/
-extern int get_irn_n_edges_kind(const ir_node *irn, ir_edge_kind_t kind);
-
+int get_irn_n_edges_kind(const ir_node *irn, ir_edge_kind_t kind);
/**
* Check, if the out edges are activated.
- * @param irg The graph.
- * @param kind The edge kind.
+ *
+ * @param irg The graph.
+ * @param kind The edge kind.
+ *
* @return 1, if the edges are present for the given irg, 0 if not.
*/
-extern int edges_activated_kind(const ir_graph *irg, ir_edge_kind_t kind);
+int edges_activated_kind(const ir_graph *irg, ir_edge_kind_t kind);
/**
* Activate the edges for an irg.
- * @param irg The graph to activate the edges for.
- * @param kind The edge kind.
+ *
+ * @param irg The graph to activate the edges for.
+ * @param kind The edge kind.
*/
-extern void edges_activate_kind(ir_graph *irg, ir_edge_kind_t kind);
+void edges_activate_kind(ir_graph *irg, ir_edge_kind_t kind);
/**
* Deactivate the edges for an irg.
- * @param irg The graph.
- * @param kind The edge kind.
+ *
+ * @param irg The graph.
+ * @param kind The edge kind.
*/
-extern void edges_deactivate_kind(ir_graph *irg, ir_edge_kind_t kind);
+void edges_deactivate_kind(ir_graph *irg, ir_edge_kind_t kind);
-extern void edges_reroute_kind(ir_node *old, ir_node *nw, ir_edge_kind_t kind, ir_graph *irg);
+/**
+ * Reroute edges of a specified kind from an old node to
+ * a new one.
+ *
+ * @param old the old node
+ * @param nw the new node
+ * @param kind the edge kind
+ * @param irg the graph on which the rerouting occurs
+ */
+void edges_reroute_kind(ir_node *old, ir_node *nw, ir_edge_kind_t kind, ir_graph *irg);
/**
* Verifies the out edges of graph @p irg.
*/
void edges_init_dbg(int do_dbg);
+/**
+ * Creates an ir_graph pass for edges_verify().
+ *
+ * @param name the name of this pass or NULL
+ * @param assert_on_problem assert if problems were found
+ *
+ * @return the newly created ir_graph pass
+ */
+ir_graph_pass_t *irg_verify_edges_pass(const char *name, unsigned assert_on_problem);
+
/************************************************************************/
/* Begin Old Interface */
/************************************************************************/
#endif
/**
- * Activate all the edges for an irg.
- * @param irg The graph to activate the edges for.
+ * Activates data and block edges for an irg.
+ * If the irg phase is phase_backend, Dependence edges are
+ * additionally activated.
+ *
+ * @param irg The graph to activate the edges for.
*/
-extern void edges_activate(ir_graph *irg);
+void edges_activate(ir_graph *irg);
/**
- * Deactivate all the edges for an irg.
- * @param irg The graph.
+ * Deactivate data and block edges for an irg.
+ * If the irg phase is phase_backend, Dependence edges are
+ * additionally deactivated.
+ * @param irg The graph.
*/
-extern void edges_deactivate(ir_graph *irg);
+void edges_deactivate(ir_graph *irg);
-extern int edges_assure(ir_graph *irg);
+/**
+ * Ensure that edges are activated.
+ *
+ * @param irg the IR graph
+ *
+ * @return 0 if edges was deactivated before the call, 1 else
+ */
+int edges_assure(ir_graph *irg);
-extern void edges_node_deleted(ir_node *irn, ir_graph *irg);
+/**
+ * Ensure that edges of a given kind are activated.
+ *
+ * @param irg the IR graph
+ * @param kind the edge kind
+ *
+ * @return 0 if edges was deactivated before the call, 1 else
+ */
+int edges_assure_kind(ir_graph *irg, ir_edge_kind_t kind);
+
+void edges_node_deleted(ir_node *irn, ir_graph *irg);
/**
* Notify normal and block edges.
*/
-extern void edges_notify_edge(ir_node *src, int pos, ir_node *tgt, ir_node *old_tgt, ir_graph *irg);
+void edges_notify_edge(ir_node *src, int pos, ir_node *tgt, ir_node *old_tgt, ir_graph *irg);
/**
- * Walks only over Block nodes in the graph. Has it's own visited
- * flag, so that it can be interleaved with the other walker.
+ * Walks only over Block nodes in the graph. Uses the block visited
+ * flag, so that it can be interleaved with another walker.
*
* @param block the start block
* @param pre the pre visit function
*/
void irg_block_edges_walk(ir_node *block, irg_walk_func *pre, irg_walk_func *post, void *env);
-void edges_reset_private_data(ir_graph *irg, int offset, size_t size);
+/**
+ * Reset the user's private data at offset 'offset'
+ * The user has to remember his offset and the size of his data!
+ * Caution: Using wrong values here can destroy other users private data!
+ *
+ * @param irg the IR graph to operate on
+ * @param offset offset of the private data inside the edge
+ * @param size length of the private data inside the edge
+ */
+void edges_reset_private_data(ir_graph *irg, int offset, unsigned size);
/************************************************************************/
/* End Old Interface */
projects / libfirm / blobdiff