* Modified by:
* Created:
* CVS-ID: $Id$
- * Copyright: (c) 1998-2006 Universitaet Karlsruhe
+ * Copyright: (c) 1998-2007 Universitaet Karlsruhe
* Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
*/
* @param name The name of the phase.
* @param irg The graph the phase will run on.
* @param growth_factor A factor denoting how many node slots will be additionally allocated,
- * if the node => data is full. 256 means 1.0.
+ * if the node => data is full. The factor is given in units of 1/256, so
+ * 256 means 1.0.
* @param irn_data_init A callback that is called to initialize newly created node data.
+ * Must be non-null.
* @param priv Some private pointer which is kept in the phase and can be retrieved with phase_get_private().
* @return A new phase object.
*/
/**
* Re-initialize the irn data for all nodes in the node => data map using the given callback.
* @param phase The phase.
- * @note This function will pass NULL to the init function passed to phase_new().
*/
void phase_reinit_irn_data(phase_t *phase);
+/**
+ * Re-initialize the irn data for all nodes in the given block.
+ * @param phase The phase.
+ * @param block The block.
+ */
+void phase_reinit_block_irn_data(phase_t *phase, ir_node *block);
+
+/**
+ * Re-initialize the irn data for the given node.
+ * @param phase The phase.
+ * @param irn The irn.
+ */
+#define phase_reinit_single_irn_data(phase, irn) _phase_reinit_single_irn_data((phase), (irn))
+
+/**
+ * Returns the first node of the phase having some data assigned.
+ * @param phase The phase.
+ * @return The first irn having some data assigned, NULL otherwise
+ */
+ir_node *phase_get_first_node(phase_t *phase);
+
+/**
+ * Returns the next node after @p start having some data assigned.
+ * @param phase The phase.
+ * @param start The node to start from
+ * @return The next node after start having some data assigned, NULL otherwise
+ */
+ir_node *phase_get_next_node(phase_t *phase, ir_node *start);
+
+/**
+ * Convenience macro to iterate over all nodes of a phase
+ * having some data assigned.
+ */
+#define foreach_phase_irn(phase, irn) \
+ for (irn = phase_get_first_node(phase); irn; irn = phase_get_next_node(phase, irn))
+
/**
* Get the name of the phase.
*/
*/
#define phase_set_irn_data(ph, irn, data) _phase_set_irn_data((ph), (irn), (data))
+/**
+ * This is private and only here for performance reasons.
+ */
+static INLINE void _phase_reinit_single_irn_data(phase_t *phase, ir_node *irn)
+{
+ int idx;
+
+ if (! phase->data_init)
+ return;
+
+ idx = get_irn_idx(irn);
+ if (phase->data_ptr[idx])
+ phase->data_init(phase, irn, phase->data_ptr[idx]);
+}
+
+
/**
* This is private and just here for performance reasons.
*/
return res;
}
-
#endif /* _FIRM_IR_PHASE_T_H */