X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firgraph.c;h=81d2de5886cd6e47d43023336b4be43e5c090f14;hb=b597c7fd473086ca6374b2abbdf129f595c156d0;hp=b645db84a795d52600d11781246fb1a89fe72843;hpb=9c6ef39a9a1f9401eb46b5b577f109f704fa92b9;p=libfirm

diff --git a/ir/ir/irgraph.c b/ir/ir/irgraph.c
index b645db84a..81d2de588 100644
--- a/ir/ir/irgraph.c
+++ b/ir/ir/irgraph.c
@@ -166,6 +166,10 @@ void irg_set_nloc(ir_graph *res, int n_loc) {
 		                               the store. This is not the number of parameters
 		                               to the procedure!  */
 	}
+	if (res->loc_descriptions) {
+		xfree(res->loc_descriptions);
+		res->loc_descriptions = NULL;
+	}
 }
 
 /* Allocates a list of nodes:
@@ -485,7 +489,7 @@ ir_graph *create_irg_copy(ir_graph *irg) {
 
 	res->phase_state = irg->phase_state;
 
-	set_using_irn_link(irg);
+	ir_reserve_resources(irg, IR_RESOURCE_IRN_LINK);
 
 	/* copy all nodes from the graph irg to the new graph res */
 	irg_walk_anchors(irg, copy_all_nodes, set_all_preds, res);
@@ -512,7 +516,7 @@ ir_graph *create_irg_copy(ir_graph *irg) {
 	   is different from the original one. */
 	res->estimated_node_count = irg->estimated_node_count;
 
-	clear_using_irn_link(irg);
+	ir_free_resources(irg, IR_RESOURCE_IRN_LINK);
 
 	return res;
 }
@@ -529,6 +533,8 @@ ir_graph *create_irg_copy(ir_graph *irg) {
 void free_ir_graph(ir_graph *irg) {
 	assert(is_ir_graph(irg));
 
+	edges_deactivate(irg);
+
 	hook_free_graph(irg);
 	if (irg->outs_state != outs_none)
 		free_irg_outs(irg);
@@ -1041,50 +1047,23 @@ void *get_irg_loc_description(ir_graph *irg, int n) {
 }
 
 #ifndef NDEBUG
-void set_using_block_visited(ir_graph *irg) {
-	assert(irg->using_block_visited == 0);
-	irg->using_block_visited = 1;
-}
-
-void clear_using_block_visited(ir_graph *irg) {
-	assert(irg->using_block_visited == 1);
-	irg->using_block_visited = 0;
-}
-
-int using_block_visited(const ir_graph *irg) {
-	return irg->using_block_visited;
-}
-
-
-void set_using_irn_visited(ir_graph *irg) {
-	assert(irg->using_irn_visited == 0);
-	irg->using_irn_visited = 1;
+void ir_reserve_resources(ir_graph *irg, ir_resources_t resources)
+{
+	assert((irg->reserved_resources & resources) == 0);
+	irg->reserved_resources |= resources;
 }
 
-void clear_using_irn_visited(ir_graph *irg) {
-	assert(irg->using_irn_visited == 1);
-	irg->using_irn_visited = 0;
+void ir_free_resources(ir_graph *irg, ir_resources_t resources)
+{
+	assert((irg->reserved_resources & resources) == resources);
+	irg->reserved_resources &= ~resources;
 }
 
-int using_irn_visited(const ir_graph *irg) {
-	return irg->using_irn_visited;
+ir_resources_t ir_resources_reserved(const ir_graph *irg)
+{
+	return irg->reserved_resources;
 }
-
-
-void set_using_irn_link(ir_graph *irg) {
-	assert(irg->using_irn_link == 0);
-	irg->using_irn_link = 1;
-}
-
-void clear_using_irn_link(ir_graph *irg) {
-	assert(irg->using_irn_link == 1);
-	irg->using_irn_link = 0;
-}
-
-int using_irn_link(const ir_graph *irg) {
-	return irg->using_irn_link;
-}
-#endif
+#endif /* NDEBUG */
 
 /* Returns a estimated node count of the irg. */
 unsigned (get_irg_estimated_node_cnt)(const ir_graph *irg) {