Let foreach_pset() declare its iterator variable.
[libfirm] / ir / opt / garbage_collect.c
index 9f32c64..ddaf9fd 100644 (file)
@@ -21,7 +21,6 @@
  * @file
  * @brief    Removal of unreachable methods.
  * @author   Matthias Braun
- * @version  $Id$
  */
 #include "config.h"
 
@@ -36,7 +35,7 @@
 #include "error.h"
 #include "debug.h"
 
-DEBUG_ONLY(static firm_dbg_module_t *dbg);
+DEBUG_ONLY(static firm_dbg_module_t *dbg;)
 
 static void visit_entity(ir_entity *entity);
 
@@ -101,13 +100,6 @@ static void visit_entity(ir_entity *entity)
 
        if (entity->initializer != NULL) {
                visit_initializer(entity->initializer);
-       }  else if (entity_has_compound_ent_values(entity)) {
-               size_t i;
-               size_t n_members = get_compound_ent_n_values(entity);
-               for (i = 0; i < n_members; ++i) {
-                       ir_node *node = get_compound_ent_value(entity, i);
-                       start_visit_node(node);
-               }
        }
 
        irg = get_entity_irg(entity);
@@ -123,8 +115,9 @@ static void visit_segment(ir_type *segment)
 
        for (i = 0; i < n_entities; ++i) {
                ir_entity *entity = get_compound_member(segment, i);
-               if (get_entity_visibility(entity) != ir_visibility_default
-                               && !(get_entity_linkage(entity) & IR_LINKAGE_HIDDEN_USER))
+               if (get_entity_visibility(entity) != ir_visibility_external
+                               && !(get_entity_linkage(entity) & IR_LINKAGE_HIDDEN_USER)
+                               && !(get_entity_linkage(entity) & IR_LINKAGE_NO_CODEGEN))
                        continue;
 
                visit_entity(entity);
@@ -149,13 +142,13 @@ static void garbage_collect_in_segment(ir_type *segment)
 
 void garbage_collect_entities(void)
 {
-       size_t       i, n;
+       size_t       i;
        ir_segment_t s;
 
        FIRM_DBG_REGISTER(dbg, "firm.opt.garbagecollect");
 
        /* start a type walk for all externally visible entities */
-       irp_reserve_resources(irp, IR_RESOURCE_TYPE_VISITED);
+       irp_reserve_resources(irp, IRP_RESOURCE_TYPE_VISITED);
        inc_master_type_visited();
        inc_max_irg_visited();
 
@@ -169,8 +162,8 @@ 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) */
-       for (i = 0, n = get_irp_n_irgs(); i < n; ++i) {
-               ir_graph  *irg    = get_irp_irg(i);
+       for (i = get_irp_n_irgs(); i > 0;) {
+               ir_graph  *irg    = get_irp_irg(--i);
                ir_entity *entity = get_irg_entity(irg);
 
                if (entity_visited(entity))
@@ -185,7 +178,7 @@ void garbage_collect_entities(void)
                ir_type *type = get_segment_type(s);
                garbage_collect_in_segment(type);
        }
-       irp_free_resources(irp, IR_RESOURCE_TYPE_VISITED);
+       irp_free_resources(irp, IRP_RESOURCE_TYPE_VISITED);
 }
 
 ir_prog_pass_t *garbage_collect_entities_pass(const char *name)