X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fopt%2Fgarbage_collect.c;h=963c4fcf06a3071a6e30a00186a12dcbb4f042e7;hb=8c9921a1fc166552f6e416434fd8394a4fc210a3;hp=9f32c64e902bca898c274ef12515a4bc5dbd19d7;hpb=1c4973a049cd4a443446fcd77b1d3a4b43b46d95;p=libfirm

diff --git a/ir/opt/garbage_collect.c b/ir/opt/garbage_collect.c
index 9f32c64e9..963c4fcf0 100644
--- a/ir/opt/garbage_collect.c
+++ b/ir/opt/garbage_collect.c
@@ -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);
 
@@ -149,13 +148,13 @@ 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 +168,8 @@ 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 +184,7 @@ 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)