/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
* PURPOSE.
*/
-/*
- * Author: Matthias Braun
- * Date: 13.12.2006
- * Copyright: (c) Universitaet Karlsruhe
- * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+/**
+ * @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"
#include "execfreq.h"
#include "beirg_t.h"
+#include "absgraph.h"
-void be_assure_liveness(be_irg_t *birg)
+be_lv_t *be_assure_liveness(be_irg_t *birg)
{
- if(birg->lv != NULL)
- return;
-
- birg->lv = be_liveness(birg->irg);
-}
-
-void be_invalidate_liveness(be_irg_t *birg)
-{
- if(birg->lv == NULL)
- return;
+ if (birg->lv != NULL)
+ return birg->lv;
- be_liveness_free(birg->lv);
- birg->lv = NULL;
+ return birg->lv = be_liveness(birg);
}
void be_assure_dom_front(be_irg_t *birg)
{
- if(birg->dom_front != NULL)
+ if (birg->dom_front != NULL)
return;
birg->dom_front = be_compute_dominance_frontiers(birg->irg);
void be_invalidate_dom_front(be_irg_t *birg)
{
- if(birg->dom_front == NULL)
+ if (birg->dom_front == NULL)
return;
be_free_dominance_frontiers(birg->dom_front);
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;
}
}
-ir_graph* (be_get_birg_irg) (const be_irg_t *birg)
+ir_graph *(be_get_birg_irg)(const be_irg_t *birg)
{
return _be_get_birg_irg(birg);
}
-ir_exec_freq* (be_get_birg_exec_freq) (const be_irg_t *birg)
+ir_exec_freq *(be_get_birg_exec_freq)(const be_irg_t *birg)
{
return _be_get_birg_exec_freq(birg);
}
-be_lv_t* (be_get_birg_liveness) (const be_irg_t *birg)
+be_lv_t *(be_get_birg_liveness)(const be_irg_t *birg)
{
return _be_get_birg_liveness(birg);
}
-be_dom_front_info_t* (be_get_birg_dom_front) (const be_irg_t *birg)
+be_dom_front_info_t *(be_get_birg_dom_front)(const be_irg_t *birg)
{
return _be_get_birg_dom_front(birg);
}
-const arch_env_t* (be_get_birg_arch_env) (const be_irg_t *birg)
+const arch_env_t *(be_get_birg_arch_env)(const be_irg_t *birg)
{
return _be_get_birg_arch_env(birg);
}