Simplify collect_and_rewire_users(): Use get_edge_src_pos() instead of searching...

[libfirm] / ir / opt / garbage_collect.c

diff --git a/ir/opt/garbage_collect.c b/ir/opt/garbage_collect.c
index ddaf9fd..4892264 100644 (file)
--- a/ir/opt/garbage_collect.c
+++ b/ir/opt/garbage_collect.c
@@ -160,8 +160,8 @@ void garbage_collect_entities(void)
        }
 
        /* remove graphs of non-visited functions
-        * (we have to count backwards so we can safely call remove_irp_irg
-        *  while iterating) */
+        * (we have to count backwards, because freeing the graph moves the last
+        *  graph in the list to the free position) */
        for (i = get_irp_n_irgs(); i > 0;) {
                ir_graph  *irg    = get_irp_irg(--i);
                ir_entity *entity = get_irg_entity(irg);
@@ -170,7 +170,7 @@ void garbage_collect_entities(void)
                        continue;
 
                DB((dbg, LEVEL_1, "  freeing method %+F\n", entity));
-               remove_irp_irg(irg);
+               free_ir_graph(irg);
        }
 
        /* we can now remove all non-visited (global) entities */