X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbelive.h;h=71c9586f3bcd9f95b37d6419361360778013c37a;hb=63e8a062a48c91aa36429576c648624f88dcfe35;hp=792633c8768b1ad15b214629db1b6912d800b02d;hpb=ee7d02f0224c71ad158f07c193d731ad7762c884;p=libfirm

diff --git a/ir/be/belive.h b/ir/be/belive.h
index 792633c87..71c9586f3 100644
--- a/ir/be/belive.h
+++ b/ir/be/belive.h
@@ -26,15 +26,7 @@
 #ifndef FIRM_BE_BELIVE_H
 #define FIRM_BE_BELIVE_H
 
-#include <stdio.h>
-
 #include "be_types.h"
-
-#include "firm_types.h"
-#include "pset.h"
-
-#include "irlivechk.h"
-#include "bearch.h"
 #include "irnodeset.h"
 
 typedef enum {
@@ -47,7 +39,7 @@ typedef enum {
  * 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_new(ir_graph *irg);
 
 /**
  * Free the liveness information.
@@ -55,9 +47,21 @@ be_lv_t *be_liveness(ir_graph *irg);
 void be_liveness_free(be_lv_t *lv);
 
 /**
- * Recompute the complete liveness information.
+ * (Re)compute the liveness information if necessary.
+ */
+void be_liveness_compute_sets(be_lv_t *lv);
+void be_liveness_compute_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.
+ * @note If changed the control flow then you must also call
+ *       be_liveness_invalidate_chk()
  */
-void be_liveness_recompute(be_lv_t *lv);
+void be_liveness_invalidate_sets(be_lv_t *lv);
+void be_liveness_invalidate_chk(be_lv_t *lv);
 
 /**
  * Update the liveness information for a single node.
@@ -81,13 +85,6 @@ void be_liveness_remove(be_lv_t *lv, const ir_node *irn);
  */
 void be_liveness_introduce(be_lv_t *lv, ir_node *irn);
 
-/**
- * Add all nodes which are missing in the current liveness data.
- * The liveness data of the already existing nodes (in the liveness data) is not touched.
- * @param The liveness info.
- */
-void be_liveness_add_missing(be_lv_t *lv);
-
 /**
  * Check, if a node is live in at a block.
  * @param block The block.
@@ -137,36 +134,11 @@ void be_liveness_end_of_block(const be_lv_t *lv,
                               const ir_node *bl, ir_nodeset_t *nodeset);
 
 /**
- * Compute a set of nodes which are live at another node.
- * BEWARE: This is the liveness immediately after the node,
- *         so the node itself is alive but its operands maybe not.
+ * Compute a set of nodes which are live just before the given node.
  * @param cls      The register class to consider.
  * @param pos      The node.
  * @param live     The set to put them into.
  */
-void be_liveness_nodes_live_at(const be_lv_t *lv,
-                               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);
-
-/**
- * Make sure all information needed for liveness checks is available.
- * @param lv The liveness information.
- */
-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);
+void be_liveness_nodes_live_before(be_lv_t const *lv, arch_register_class_t const *cls, ir_node const *pos, ir_nodeset_t *live);
 
-#endif /* FIRM_BE_BELIVE_H */
+#endif