X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fopt%2Fircgopt.c;h=2b28f563f32aed59c300154fd8dc9eceaf3eb928;hb=e669cdc1b57e7226b656c1c18816f71c3dc89347;hp=e962a8c04fc8993f238ea9391628ad4675c4a0d5;hpb=e30e5834fd8c1c3a7d28fc66e99b91a84993bde8;p=libfirm

diff --git a/ir/opt/ircgopt.c b/ir/opt/ircgopt.c
index e962a8c04..2b28f563f 100644
--- a/ir/opt/ircgopt.c
+++ b/ir/opt/ircgopt.c
@@ -30,9 +30,7 @@
  * der nicht erreichbaren Methoden wird aus der Abschätzung der
  * Aufrufrelation bestimmt.
  */
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
+#include "config.h"
 
 #include "ircgopt.h"
 
@@ -43,7 +41,9 @@
 #include "irloop_t.h"
 #include "irflag_t.h"
 #include "ircons.h"
+#include "cgana.h"
 #include "irtools.h"
+#include "irpass.h"
 
 DEBUG_ONLY(static firm_dbg_module_t *dbg);
 
@@ -145,11 +145,35 @@ void gc_irgs(int n_keep, ir_entity ** keep_arr) {
 			free_loop_information(irg);
 		}
 		if ((get_entity_visibility(ent) == visibility_local) && (get_entity_link(ent) != MARK)) {
-			remove_irp_irg(irg);
-			set_entity_peculiarity(ent, peculiarity_description);
 
 			DB((dbg, LEVEL_1, "  freeing method %+F\n",	ent));
+			remove_irp_irg(irg);
+			set_entity_peculiarity(ent, peculiarity_description);
 		}
 		set_entity_link(ent, NULL);
 	}
 }
+
+/**
+ * Wrapper for running gc_irgs() as an ir_prog pass.
+ */
+static void pass_wrapper(void)
+{
+    ir_entity **keep_methods;
+    int         arr_len;
+
+    /* Analysis that finds the free methods,
+       i.e. methods that are dereferenced.
+       Optimizes polymorphic calls :-). */
+    cgana(&arr_len, &keep_methods);
+
+    /* Remove methods that are never called. */
+    gc_irgs(arr_len, keep_methods);
+
+    free(keep_methods);
+}
+
+ir_prog_pass_t *gc_irgs_pass(const char *name)
+{
+	return def_prog_pass(name ? name : "cgana", pass_wrapper);
+}