Remove unused variable.

[libfirm] / ir / opt / opt_osr.c

diff --git a/ir/opt/opt_osr.c b/ir/opt/opt_osr.c
index 6df1c7f..54e6921 100644 (file)
--- a/ir/opt/opt_osr.c
+++ b/ir/opt/opt_osr.c
@@ -28,9 +28,7 @@
  *  by Keith D. Cooper, L. Taylor Simpson, Christopher A. Vick.
  *  Extended version.
  */
-#ifdef HAVE_CONFIG_H
 #include "config.h"
-#endif
 
 #include "adt/pdeq.h"
 #include "iroptimize.h"
@@ -939,7 +937,7 @@ static void dfs(ir_node *irn, iv_env *env)
                for (i = 0; i < n; ++i) {
                        ir_node *pred = get_irn_n(irn, i);
 
-                       if (irn_not_visited(pred))
+                       if (!irn_visited(pred))
                                dfs(pred, env);
                }
        }
@@ -951,7 +949,7 @@ static void dfs(ir_node *irn, iv_env *env)
                push(env, irn);
 
                /* handle the block */
-               if (irn_not_visited(block))
+               if (!irn_visited(block))
                        dfs(block, env);
 
                n = get_irn_arity(irn);
@@ -959,7 +957,7 @@ static void dfs(ir_node *irn, iv_env *env)
                        ir_node *pred = get_irn_n(irn, i);
                        node_entry *o = get_irn_ne(pred, env);
 
-                       if (irn_not_visited(pred)) {
+                       if (!irn_visited(pred)) {
                                dfs(pred, env);
                                node->low = MIN(node->low, o->low);
                        }
@@ -1010,7 +1008,7 @@ static void do_dfs(ir_graph *irg, iv_env *env) {
        for (i = 0; i < n; ++i) {
                ir_node *ka = get_End_keepalive(end, i);
 
-               if (irn_not_visited(ka))
+               if (!irn_visited(ka))
                        dfs(ka, env);
        }