start register allocator again, fix typo

[libfirm] / ir / be / bestat.h

diff --git a/ir/be/bestat.h b/ir/be/bestat.h
index cd4fe04..1ace836 100644 (file)
--- a/ir/be/bestat.h
+++ b/ir/be/bestat.h
@@ -1,9 +1,28 @@
+/**
+ * Provides several statistic functions for the backend.
+ * @author Christian Wuerdig
+ * $Id$
+ */
+
 #ifndef _BESTAT_H_
 #define _BESTAT_H_
 
 #include "firm_config.h"
 #include "be_t.h"
 #include "benodesets.h"
+#include "bestatevent.h"
+
+enum {
+       STAT_TAG_FILE = 0,  /**< tag for source file name */
+       STAT_TAG_TIME = 1,  /**< tag for time */
+       STAT_TAG_IRG  = 2,  /**< tag for function name (irg) */
+       STAT_TAG_CLS  = 3,  /**< tag for register class (or "<all>") */
+       STAT_TAG_LAST
+};
+
+extern FILE *be_stat_file;
+extern const char *be_stat_tags[STAT_TAG_LAST];
+
 
 #ifdef FIRM_STATISTICS
 
@@ -44,8 +63,26 @@ void be_do_stat_perm(const char *class_name, int n_regs, ir_node *perm, ir_node
  */
 void be_do_stat_permcycle(const char *class_name, ir_node *perm, ir_node *block, int is_chain, int n_elems, int n_ops);
 
+/**
+ * Collects node statistics.
+ *
+ * @param irg      the to do statistics for
+ * @param phase    the phase to collect the statistic for
+ */
+void be_do_stat_nodes(ir_graph *irg, const char *phase);
+
+/**
+ * Performs initialization for be node statistics.
+ */
+void be_stat_init_irg(const arch_env_t *arch_env, ir_graph *irg);
+
+void be_init_stat_file(const char *filename, const char *sourcefilename);
+void be_close_stat_file(void);
+
 #else
 
+#define be_stat_init_irg(arch_env, irg)
+#define be_do_stat_nodes(irg, phase)
 #define be_do_stat_reg_pressure(birg)
 #define be_do_stat_sched_ready(block, ready_set)
 #define be_do_stat_perm(class_name, n_regs, perm, block, n, real_size)
@@ -53,4 +90,10 @@ void be_do_stat_permcycle(const char *class_name, ir_node *perm, ir_node *block,
 
 #endif /* FIRM_STATISTICS */
 
+/**
+ * Gives a cost estimate for the program (based on execution frequencies)
+ * and backend op_estimated_cost
+ */
+double be_estimate_irg_costs(ir_graph *irg, const arch_env_t *arch_env, ir_exec_freq *execfreqs);
+
 #endif /* _BESTAT_H_ */