removed warning for ILP scheduler, as the scheduler can now schedule on it's own
[libfirm] / ir / be / bestat.c
index 8ac3d6d..a1be208 100644 (file)
@@ -10,6 +10,8 @@
 
 #ifdef FIRM_STATISTICS
 
+#include <time.h>
+
 #include "irnode_t.h"
 #include "irprintf.h"
 #include "irgwalk.h"
@@ -301,6 +303,77 @@ void be_stat_init_irg(const arch_env_t *arch_env, ir_graph *irg) {
        }
 }
 
+typedef struct _estimate_irg_costs_env_t {
+       const arch_env_t *arch_env;
+       ir_exec_freq *execfreqs;
+       double costs;
+} estimate_irg_costs_env_t;
+
+static void estimate_block_costs(ir_node *block, void *data)
+{
+       estimate_irg_costs_env_t *env = data;
+       ir_node *node;
+       double costs = 0;
+
+       sched_foreach(block, node) {
+               costs += arch_get_op_estimated_cost(env->arch_env, node);
+       }
+
+       env->costs += costs * get_block_execfreq(env->execfreqs, block);
+}
+
+double be_estimate_irg_costs(ir_graph *irg, const arch_env_t *arch_env, ir_exec_freq *execfreqs)
+{
+       estimate_irg_costs_env_t env;
+       env.arch_env = arch_env;
+       env.execfreqs = execfreqs;
+       env.costs = 0;
+
+       irg_block_walk_graph(irg, estimate_block_costs, NULL, &env);
+
+       return env.costs;
+}
+
+const char *be_stat_tags[STAT_TAG_LAST];
+FILE *be_stat_file = NULL;
+
+void be_init_stat_file(const char *stat_file_name, const char *sourcefilename)
+{
+       static char time_str[32];
+
+       assert(be_stat_file == NULL);
+
+       /* if we want to do some statistics, push the environment. */
+       if(strlen(stat_file_name) == 0)
+               return;
+
+       be_stat_file = fopen(stat_file_name, "at");
+       if(be_stat_file == NULL) {
+               fprintf(stderr, "Warning couldn't open statfile '%s'\n", stat_file_name);
+               return;
+       }
+
+       /* initialize the statistics tags */
+       ir_snprintf(time_str, sizeof(time_str),"%u", time(NULL));
+
+       be_stat_tags[STAT_TAG_FILE] = sourcefilename;
+       be_stat_tags[STAT_TAG_TIME] = time_str;
+       be_stat_tags[STAT_TAG_IRG]  = "<all>";
+       be_stat_tags[STAT_TAG_CLS]  = "<all>";
+
+       be_stat_ev_push(be_stat_tags, STAT_TAG_LAST, be_stat_file);
+}
+
+void be_close_stat_file()
+{
+       be_stat_ev_pop();
+       if(be_stat_file != NULL) {
+               fclose(be_stat_file);
+               be_stat_file = NULL;
+       }
+}
+
+
 #else
 
 void (be_stat_init_irg)(const arch_env_t *arch_env, ir_graph *irg) {}