- renamed access offset functions

[libfirm] / ir / be / beutil.c

diff --git a/ir/be/beutil.c b/ir/be/beutil.c
index 844fcf2..e48f3ed 100644 (file)
--- a/ir/be/beutil.c
+++ b/ir/be/beutil.c
@@ -1,3 +1,8 @@
+/**
+ * Contains some useful function for the backend.
+ * @author Sebastian Hack
+ * @cvsid  $Id$
+ */
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
@@ -33,8 +38,8 @@ pset *be_empty_set(void)
 }
 
 struct dump_env {
-  FILE *f;
-  arch_env_t *env;
+       FILE *f;
+       arch_env_t *env;
 };
 
 static void dump_allocated_block(ir_node *block, void *data)
@@ -83,9 +88,9 @@ static void dump_allocated_block(ir_node *block, void *data)
 void dump_allocated_irg(arch_env_t *arch_env, ir_graph *irg, char *suffix)
 {
        char buf[1024];
-  struct dump_env env;
+       struct dump_env env;
 
-  env.env = arch_env;
+       env.env = arch_env;
 
        ir_snprintf(buf, sizeof(buf), "%F-alloc%s.vcg", irg, suffix);
 
@@ -207,6 +212,17 @@ void be_collect_phis(ir_graph *irg)
        irg_walk_graph(irg, collect_phis, NULL, NULL);
 }
 
+static void count_num_reachable_nodes(ir_node *irn, void *env) {
+       int *num = env;
+       (*num)++;
+}
+
+unsigned get_num_reachable_nodes(ir_graph *irg) {
+       int num = 0;
+       irg_walk_graph(irg, count_num_reachable_nodes, NULL, &num);
+       return num;
+}
+
 /* FIXME: not used. can be deleted? */
 ir_node *dom_up_search(pset *accept, ir_node *start_point_exclusive) {
        ir_node *irn, *idom;