X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fana%2Firextbb2.c;h=3c934c216cddaa87f1bfa41211e0b2ae89ee72fe;hb=9eeb2b41dc3c1fe19973b57b5454d651f95424e6;hp=9f83ec0c36aaee207e25bd013e58f5ae7b26dddb;hpb=1ce363f80e6a204d4011f85813362d9bd1d0e7e4;p=libfirm

diff --git a/ir/ana/irextbb2.c b/ir/ana/irextbb2.c
index 9f83ec0c3..3c934c216 100644
--- a/ir/ana/irextbb2.c
+++ b/ir/ana/irextbb2.c
@@ -27,9 +27,7 @@
  *  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"
@@ -109,11 +107,10 @@ static void create_extblk(ir_node *block, env_t *env)
 {
 	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);
 }
@@ -191,7 +188,7 @@ void compute_extbb_execfreqs(ir_graph *irg, ir_exec_freq *execfreqs) {
 		obstack_free(irg->extbb_obst, NULL);
 	}
 	else {
-		irg->extbb_obst = xmalloc(sizeof(*irg->extbb_obst));
+		irg->extbb_obst = XMALLOC(struct obstack);
 	}
 	obstack_init(irg->extbb_obst);
 
@@ -207,9 +204,7 @@ void compute_extbb_execfreqs(ir_graph *irg, ir_exec_freq *execfreqs) {
 
 	/* the end block needs a extbb assigned (even for endless loops) */
 	endblock = get_irg_end_block(irg);
-	if (! irn_visited(endblock)) {
-		create_extblk(endblock, &env);
-	}
+	create_extblk(endblock, &env);
 
 	/*
 		Ok, we have now the list of all extended blocks starting with env.head