* Alternative algorithm for computing extended basic blocks (using out edges
* and execution frequencies)
*/
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
+#include "config.h"
#include "irextbb_t.h"
#include "irgwalk.h"
{
ir_extblk *extblk;
- if (irn_visited(block))
+ if (irn_visited_else_mark(block))
return;
extblk = allocate_extblk(block, env);
- mark_irn_visited(block);
pick_successor(block, extblk, env);
}