X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firnode.c;h=84d149ecb25ec54e9239bb705cbe1460b5816d35;hb=62038ec14e9c072a91b13270058bb18958027aa8;hp=f1174b9decdaa993b16d1c6dbbf4a96987af19a6;hpb=31d36dd3e8a2b7b513958f005cc555e01b9c3d5b;p=libfirm

diff --git a/ir/ir/irnode.c b/ir/ir/irnode.c
index f1174b9de..84d149ecb 100644
--- a/ir/ir/irnode.c
+++ b/ir/ir/irnode.c
@@ -304,44 +304,50 @@ ir_node *(get_irn_dep)(const ir_node *node, int pos)
 	return get_irn_dep_(node, pos);
 }
 
-void (set_irn_dep)(ir_node *node, int pos, ir_node *dep)
+void set_irn_dep(ir_node *node, int pos, ir_node *dep)
 {
-	set_irn_dep_(node, pos, dep);
+	ir_node *old;
+	ir_graph *irg;
+
+	assert(node->deps && "dependency array node yet allocated. use add_irn_dep()");
+	assert(pos >= 0 && pos < (int)ARR_LEN(node->deps) && "dependency index out of range");
+	assert(dep != NULL);
+	old = node->deps[pos];
+	node->deps[pos] = dep;
+	irg = get_irn_irg(node);
+	if (edges_activated_kind(irg, EDGE_KIND_DEP))
+		edges_notify_edge_kind(node, pos, dep, old, EDGE_KIND_DEP, irg);
 }
 
-int add_irn_dep(ir_node *node, ir_node *dep)
+void add_irn_dep(ir_node *node, ir_node *dep)
 {
-	int res = 0;
-
-	/* DEP edges are only allowed in backend phase */
-	assert(get_irg_phase_state(get_irn_irg(node)) == phase_backend);
+	ir_graph *irg;
+	assert(dep != NULL);
 	if (node->deps == NULL) {
-		node->deps = NEW_ARR_F(ir_node *, 1);
-		node->deps[0] = dep;
-	} else {
-		int i, n;
-		int first_zero = -1;
-
-		for (i = 0, n = ARR_LEN(node->deps); i < n; ++i) {
-			if (node->deps[i] == NULL)
-				first_zero = i;
+		node->deps = NEW_ARR_F(ir_node *, 0);
+	}
+	ARR_APP1(ir_node*, node->deps, dep);
+	irg = get_irn_irg(node);
+	if (edges_activated_kind(irg, EDGE_KIND_DEP))
+		edges_notify_edge_kind(node, ARR_LEN(node->deps)-1, dep, NULL, EDGE_KIND_DEP, irg);
+}
 
-			if (node->deps[i] == dep)
-				return i;
-		}
+void delete_irn_dep(ir_node *node, ir_node *dep)
+{
+	size_t i;
+	size_t n_deps;
+	if (node->deps == NULL)
+		return;
 
-		if (first_zero >= 0) {
-			node->deps[first_zero] = dep;
-			res = first_zero;
-		} else {
-			ARR_APP1(ir_node *, node->deps, dep);
-			res = n;
+	n_deps = ARR_LEN(node->deps);
+	for (i = 0; i < n_deps; ++i) {
+		if (node->deps[i] == dep) {
+			set_irn_dep(node, i, node->deps[n_deps-1]);
+			edges_notify_edge(node, i, NULL, dep, get_irn_irg(node));
+			ARR_SHRINKLEN(node->deps, n_deps-1);
+			break;
 		}
 	}
-
-	edges_notify_edge_kind(node, res, dep, NULL, EDGE_KIND_DEP, get_irn_irg(node));
-
-	return res;
 }
 
 void add_irn_deps(ir_node *tgt, ir_node *src)