/*
- * Project: libFIRM
- * File name: ir/ana/field_temperature.h
- * Purpose: Compute an estimate of field temperature, i.e., field access heuristic.
- * Author: Goetz Lindenmaier
- * Modified by:
- * Created: 21.7.2004
- * CVS-ID: $Id$
- * Copyright: (c) 2004 Universität Karlsruhe
- * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ * Copyrigth (C) 1995-2007 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
*/
-#ifndef _FIELD_TEMPERATURE_H_
-#define _FIELD_TEMPERATURE_H_
-
/**
- * @file field_temperature.h
- *
- * @author Goetz Lindenmaier
- *
+ * @file
+ * @brief Compute an estimate of field temperature, i.e., field access heuristic.
+ * @author Goetz Lindenmaier
+ * @date 21.7.2004
+ * @version $Id$
+ * @note
* Watch it! This is highly java dependent.
*
* - All Sel nodes get an array with possibly accessed entities.
*
* - We compute a value for the entity based on the Sel nodes.
*/
+#ifndef FIRM_ANA_FIELD_TEMPERATURE_H
+#define FIRM_ANA_FIELD_TEMPERATURE_H
-#include "irnode.h"
-#include "entity.h"
-#include "type.h"
-
+#include "firm_types.h"
/* The number of array elements we assume if not both bounds are given. */
#define DEFAULT_N_ARRAY_ELEMENTS 1
-
/** The entities that can be accessed by this Sel node. *
-int get_Sel_n_accessed_entities(ir_node *sel);
-entity *get_Sel_accessed_entity (ir_node *sel, int pos);
+int get_Sel_n_accessed_entities(ir_node *sel);
+ir_entity *get_Sel_accessed_entity (ir_node *sel, int pos);
*/
+int get_irn_loop_call_depth(ir_node *n);
+/** Return loop depth of node.
+ *
+ * Returns the loop depth of n in the control flow. I.e., we
+ * go from the node to the block to the loop the block is in,
+ * and return its depth. */
+int get_irn_cfloop_depth(ir_node *n);
+int get_irn_recursion_depth(ir_node *n);
/** Get the weighted interprocedural loop depth of the node.
- The depth is estimated by a heuristic. The heuristic consideres
+ The depth is estimated by a heuristic. The heuristic considers
loop and recursion depth. */
int get_weighted_loop_depth(ir_node *n);
/** Heuristic merging recursion and loop depth. */
double get_irn_final_cost(ir_node *n);
-/** Get accumulated execution frequencies.
+/** Get accumulated(really?) execution frequencies.
* A heuristic weights the recursions. */
-double get_type_estimated_n_instances(type *clss);
-double get_type_estimated_mem_consumption_bytes(type *tp);
+double get_type_estimated_n_instances(ir_type *clss);
+double get_type_estimated_mem_consumption_bytes(ir_type *tp);
/** Estimates the size of an object.
*
* The heuristic mainly affects array sizes.
* Further this ignores padding for alignment, especially of small fields. */
-int get_type_estimated_size_bytes(type *tp);
+int get_type_estimated_size_bytes(ir_type *tp);
/** Estimates the number of fields of a single Object.
- * The heuristic mainly affects array sizes. */
-int get_type_estimated_n_fields(type *tp);
-double get_type_estimated_n_casts(type *clss);
+ * The heuristic mainly affects array sizes.
+ * @@@ Misses inherited fields! */
+int get_type_estimated_n_fields(ir_type *tp);
+double get_type_estimated_n_casts(ir_type *clss);
-double get_class_estimated_n_upcasts(type *clss);
-double get_class_estimated_n_downcasts(type *clss);
+double get_class_estimated_n_upcasts(ir_type *clss);
+double get_class_estimated_n_downcasts(ir_type *clss);
/** Returns the number of accesses to the dispatch table.
*
* This includes the initialization of the pointer field, and accesses
* to virtual fields (as instance marker in Java). Certainly this
* includes virtual method calls. */
-double get_class_estimated_n_dyncalls(type *clss);
+double get_class_estimated_n_dyncalls(ir_type *clss);
/** Returns the number of writes to the dispatch pointer.
* This is the same as the number of allocations. */
-double get_class_estimated_dispatch_writes(type *clss);
+double get_class_estimated_dispatch_writes(ir_type *clss);
/** Returns the number of reads of the dispatch pointer. */
-double get_class_estimated_dispatch_reads (type *clss);
+double get_class_estimated_dispatch_reads (ir_type *clss);
-double get_entity_estimated_n_loads(entity *ent);
-double get_entity_estimated_n_stores(entity *ent);
-double get_entity_estimated_n_calls(entity *ent);
+double get_entity_estimated_n_loads(ir_entity *ent);
+double get_entity_estimated_n_stores(ir_entity *ent);
+double get_entity_estimated_n_calls(ir_entity *ent);
/** The number of accesses to dynamically called methods and
* to other static fields that overwrite/are overwritten. */
-double get_entity_estimated_n_dyncalls(entity *ent);
+double get_entity_estimated_n_dyncalls(ir_entity *ent);
/* ------------------------------------------------------------------------- */
/* Accumulate information in the type hierarchy. */
temperature_inconsistent
} irp_temperature_state;
-void accumulate_temperatures(void);
-void free_accumulated_temperatures(void);
-
/** An auxiliary/temporary function */
-int is_jack_rts_class(type *t);
-int is_jack_rts_entity(entity *e);
+int is_jack_rts_class(ir_type *t);
+int is_jack_rts_entity(ir_entity *e);
-#endif /* _FIELD_TEMPERATURE_H_ */
+#endif
projects / libfirm / blobdiff