*/
/**
- * Interblock liveness analysis.
- * @author Sebastian Hack
- * @date 6.12.2004
- * @cvs-id $Id$
+ * @file
+ * @brief Interblock liveness analysis.
+ * @author Sebastian Hack
+ * @date 06.12.2004
+ * @version $Id$
*/
-#ifndef FIRM_BELIVE_H
-#define FIRM_BELIVE_H
+#ifndef FIRM_BE_BELIVE_H
+#define FIRM_BE_BELIVE_H
+
+#include <stdio.h>
#include "firm_types.h"
#include "pset.h"
+
+#include "irlivechk.h"
#include "bearch.h"
+#include "irnodeset.h"
-#include <stdio.h>
+struct be_irg_t;
typedef enum {
be_lv_state_in = 1,
typedef struct _be_lv_info_t be_lv_info_t;
-
/**
* Compute the inter block liveness for a graph.
* @param irg The graph.
*/
-be_lv_t *be_liveness(ir_graph *irg);
+be_lv_t *be_liveness(const struct be_irg_t *birg);
/**
* Check the given liveness information against a freshly computed one.
* the nodes live after irn.
* @return live.
*/
-pset *be_liveness_transfer(const arch_env_t *arch_env, const arch_register_class_t *cls, ir_node *irn, pset *live);
+void be_liveness_transfer(const arch_env_t *arch_env,
+ const arch_register_class_t *cls, ir_node *node,
+ ir_nodeset_t *nodeset);
/**
* Put all node live at the end of a block into a set.
* @param live The set to put them into.
* @return live.
*/
-pset *be_liveness_end_of_block(const be_lv_t *lv, const arch_env_t *arch_env, const arch_register_class_t *cls, const ir_node *bl, pset *live);
+void be_liveness_end_of_block(const be_lv_t *lv, const arch_env_t *arch_env,
+ const arch_register_class_t *cls,
+ const ir_node *bl, ir_nodeset_t *nodeset);
/**
* Compute a set of nodes which are live at another node.
* @param cls The register class to consider.
* @param pos The node.
* @param live The set to put them into.
- * @return live.
*/
-pset *be_liveness_nodes_live_at(const be_lv_t *lv, const arch_env_t *arch_env, const arch_register_class_t *cls, const ir_node *pos, pset *live);
+void be_liveness_nodes_live_at(const be_lv_t *lv, const arch_env_t *arch_env,
+ const arch_register_class_t *cls,
+ const ir_node *pos, ir_nodeset_t *live);
/**
* Compute a set of nodes which are live at another node.
* @param cls The register class to consider.
* @param pos The node.
* @param live The set to put them into.
- * @return live.
*/
-pset *be_liveness_nodes_live_at_input(const be_lv_t *lv, const arch_env_t *arch_env, const arch_register_class_t *cls, const ir_node *pos, pset *live);
+void be_liveness_nodes_live_at_input(const be_lv_t *lv,
+ const arch_env_t *arch_env,
+ const arch_register_class_t *cls,
+ const ir_node *pos, ir_nodeset_t *live);
+/**
+ * Make sure the live sets are computed.
+ * @param lv The liveness information.
+ */
+void be_liveness_assure_sets(be_lv_t *lv);
/**
- * FIXME: Need comment
+ * Make sure all information needed for liveness checks is available.
+ * @param lv The liveness information.
*/
-void be_liveness_add_missing(be_lv_t *lv);
+void be_liveness_assure_chk(be_lv_t *lv);
+
+/**
+ * Invalidate the liveness information.
+ * You must call this if you modify the program and do not
+ * update the liveness with the be_liveness_{update,remove,introduce}
+ * functions.
+ * @param lv The liveness info.
+ */
+void be_liveness_invalidate(be_lv_t *lv);
-#endif /* _BELIVE_H */
+#endif /* FIRM_BE_BELIVE_H */