bearch: Disallow passing Projs to get_irn_ops().

[libfirm] / ir / be / bestat.h

diff --git a/ir/be/bestat.h b/ir/be/bestat.h
index 04e2462..9302ca1 100644 (file)
--- a/ir/be/bestat.h
+++ b/ir/be/bestat.h
@@ -1,30 +1,65 @@
-#ifndef _BESTAT_H_
-#define _BESTAT_H_
+/*
+ * This file is part of libFirm.
+ * Copyright (C) 2012 University of Karlsruhe.
+ */
+
+/**
+ * @file
+ * @brief       Provides several statistic functions for the backend.
+ * @author      Christian Wuerdig, Matthias Braun
+ */
+#ifndef FIRM_BE_BESTAT_H
+#define FIRM_BE_BESTAT_H
 
-#include "firm_config.h"
-#include "be_t.h"
-#include "benodesets.h"
+#include "firm_types.h"
+#include "irnodeset.h"
 
-#ifdef FIRM_STATISTICS
+#include "bearch.h"
+
+typedef enum be_stat_tag_t {
+       BE_STAT_FIRST,
+       BE_STAT_PHIS = BE_STAT_FIRST, /**< phi count (excluding mem-phis) */
+       BE_STAT_MEM_PHIS,             /**< memory-phi count */
+       BE_STAT_COPIES,               /**< copies */
+       BE_STAT_PERMS,                /**< perms */
+       BE_STAT_COUNT
+} be_stat_tag_t;
+ENUM_COUNTABLE(be_stat_tag_t)
+typedef unsigned long be_node_stats_t[BE_STAT_COUNT];
+
+/**
+ * Collect statistics about node types
+ */
+void be_collect_node_stats(be_node_stats_t *stats, ir_graph *irg);
+
+void be_subtract_node_stats(be_node_stats_t *stats, be_node_stats_t *sub);
+
+void be_copy_node_stats(be_node_stats_t *dest, be_node_stats_t *src);
+
+void be_emit_node_stats(be_node_stats_t *stats, const char *prefix);
 
 /**
  * Collects statistics information about register pressure.
- * @param birg The be irg object containing the irg
+ * @param irg    The irg
  */
-void be_do_stat_reg_pressure(be_irg_t *birg);
+void be_do_stat_reg_pressure(ir_graph *irg, const arch_register_class_t *cls);
 
 /**
- * Collect statistics about amount of ready nodes per block
- * @param block     The block
- * @param ready_set A set of ready nodes
+ * Gives a cost estimate for the program (based on execution frequencies)
+ * and backend op_estimated_cost
  */
-void be_do_stat_sched_ready(ir_node *block, nodeset *ready_set);
+double be_estimate_irg_costs(ir_graph *irg);
 
-#else
+/**
+ * return number of "instructions" (=nodes without some virtual nodes like Proj,
+ * Start, End)
+ */
+unsigned long be_count_insns(ir_graph *irg);
 
-#define be_do_stat_reg_pressure(birg)
-#define be_do_stat_sched_ready(block, ready_set)
+/**
+ * return number of basic blocks (without the end block)
+ */
+unsigned long be_count_blocks(ir_graph *irg);
 
-#endif /* FIRM_STATISTICS */
 
-#endif /* _BESTAT_H_ */
+#endif