From: Matthias Braun <matze@braunis.de>
Date: Wed, 31 May 2006 12:10:13 +0000 (+0000)
Subject: - use foreach_out_edge_safe in remove_copies
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=ff4b945299a64fba36a700e117fd01db9300a5bc;p=libfirm

- use foreach_out_edge_safe in remove_copies
---

diff --git a/ir/be/bespillbelady.c b/ir/be/bespillbelady.c
index b0fb76d7c..bb08c2c77 100644
--- a/ir/be/bespillbelady.c
+++ b/ir/be/bespillbelady.c
@@ -589,20 +589,15 @@ static void remove_copies(belady_env_t *bel) {
 	edges_activate(current_ir_graph);
 	foreach_pset(bel->copies, irn) {
 		ir_node *src;
-		const ir_edge_t *edge;
+		const ir_edge_t *edge, *ne;
 
 		assert(be_is_Copy(irn));
 
 		src = be_get_Copy_op(irn);
-		foreach_out_edge(irn, edge) {
+		foreach_out_edge_safe(irn, edge, ne) {
 			ir_node *user = get_edge_src_irn(edge);
 			int user_pos = get_edge_src_pos(edge);
 
-#if 0
-			// is this normal?
-			if(user == NULL)
-				break;
-#endif
 			set_irn_n(user, user_pos, src);
 		}
 	}
diff --git a/ir/be/beverify.c b/ir/be/beverify.c
index b75c54519..e1264181a 100644
--- a/ir/be/beverify.c
+++ b/ir/be/beverify.c
@@ -109,8 +109,8 @@ static void verify_schedule_walker(ir_node *bl, void *data)
 	int delay_branches = 0;
 
 	/*
-		Make sure that all phi nodes are scheduled at the beginning of the block, and that there
-		is 1 or no control flow changing node scheduled as last operation
+	 * Make sure that all phi nodes are scheduled at the beginning of the block, and that there
+	 * is 1 or no control flow changing node scheduled and exactly delay_branches operations after it.
 	 */
 	sched_foreach(bl, irn) {
 		if (is_Phi(irn)) {