rename be_pos_XXX to n_be_XXX to be consistent with the architecture specific constants

[libfirm] / ir / be / beirg.c

diff --git a/ir/be/beirg.c b/ir/be/beirg.c
index 42460de..11d402c 100644 (file)
--- a/ir/be/beirg.c
+++ b/ir/be/beirg.c
@@ -1,61 +1,80 @@
 /*
- * Author:      Matthias Braun
- * Date:               13.12.2006
- * Copyright:   (c) Universitaet Karlsruhe
- * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
+/**
+ * @file
+ * @brief       Backend irg - a ir_graph with additional analysis information.
+ * @author      Matthias Braun
+ * @date        13.12.2006
+ * @version     $Id$
  */
-#ifdef HAVE_CONFIG_H
 #include "config.h"
-#endif
 
 #include "execfreq.h"
-#include "beirg_t.h"
+#include "beirg.h"
+#include "absgraph.h"
+#include "belive.h"
+#include "bedomfront.h"
 
-void be_assure_liveness(be_irg_t *birg)
+be_lv_t *be_assure_liveness(ir_graph *irg)
 {
-       if(birg->lv != NULL)
-               return;
+       be_irg_t *birg = be_birg_from_irg(irg);
+       if (birg->lv != NULL)
+               return birg->lv;
 
-       birg->lv = be_liveness(birg->irg);
+       return birg->lv = be_liveness(birg->irg);
 }
 
-void be_invalidate_liveness(be_irg_t *birg)
+void be_assure_dom_front(ir_graph *irg)
 {
-       if(birg->lv == NULL)
-               return;
-
-       be_liveness_free(birg->lv);
-       birg->lv = NULL;
-}
-
-void be_assure_dom_front(be_irg_t *birg)
-{
-       if(birg->dom_front != NULL)
+       be_irg_t *birg = be_birg_from_irg(irg);
+       if (birg->dom_front != NULL)
                return;
 
        birg->dom_front = be_compute_dominance_frontiers(birg->irg);
 }
 
-void be_invalidate_dom_front(be_irg_t *birg)
+void be_invalidate_dom_front(ir_graph *irg)
 {
-       if(birg->dom_front == NULL)
+       be_irg_t *birg = be_birg_from_irg(irg);
+       if (birg->dom_front == NULL)
                return;
 
        be_free_dominance_frontiers(birg->dom_front);
        birg->dom_front = NULL;
 }
 
-void be_free_birg(be_irg_t *birg)
+void be_free_birg(ir_graph *irg)
 {
+       be_irg_t *birg = be_birg_from_irg(irg);
        free_execfreq(birg->exec_freq);
        birg->exec_freq = NULL;
 
-       if(birg->dom_front != NULL) {
+       if (birg->dom_front != NULL) {
                be_free_dominance_frontiers(birg->dom_front);
                birg->dom_front = NULL;
        }
-       if(birg->lv != NULL) {
+       if (birg->lv != NULL) {
                be_liveness_free(birg->lv);
                birg->lv = NULL;
        }
+
+       obstack_free(&birg->obst, NULL);
+       irg->be_data = NULL;
 }