X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firphase.c;h=cc7a0d9262aec810315c62652b182f7259f673bc;hb=b4647d67ab7885d5da32c2a30242fbc4ed93d81b;hp=28f5ac3788d71d8f52351f81036d214217c28064;hpb=4e99d6de95366ff4467a8152362818f4c5ad946b;p=libfirm

diff --git a/ir/ir/irphase.c b/ir/ir/irphase.c
index 28f5ac378..cc7a0d926 100644
--- a/ir/ir/irphase.c
+++ b/ir/ir/irphase.c
@@ -1,73 +1,128 @@
 /*
- * Project:     libFIRM
- * File name:   ir/ir/irphase.c
- * Purpose:     Phase information handling using node indexes.
- * Author:      Sebastian Hack
- * Modified by:
- * Created:
- * CVS-ID:      $Id$
- * Copyright:   (c) 1998-2006 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.
  */
 
-#ifdef _HAVE_CONFIG_H
+/**
+ * @file
+ * @brief    Phase information handling using node indexes.
+ * @author   Sebastian Hack
+ * @version  $Id$
+ * @brief
+ *  A phase contains a link to private data for each node in an ir graph.
+ *  A phase is independent from the globally visible link field of ir nodes.
+ */
 #include "config.h"
-#endif
 
 #include "array.h"
+#include "util.h"
 #include "irnode_t.h"
+#include "irgraph_t.h"
 #include "irphase_t.h"
 
-phase_t *phase_init(phase_t *ph, const char *name, ir_graph *irg, size_t data_size, unsigned growth_factor, phase_irn_data_init_t *data_init)
+void *phase_irn_init_default(ir_phase *ph, const ir_node *irn)
 {
-	assert(growth_factor >= 1.0 && "growth factor must greater or equal to 1.0");
+	(void) ph;
+	(void) irn;
+	return NULL;
+}
 
-	obstack_init(&ph->obst);
+void phase_init(ir_phase *phase, ir_graph *irg, phase_irn_init *data_init)
+{
+	memset(phase, 0, sizeof(*phase));
 
-	ph->name          = name;
-	ph->growth_factor = growth_factor;
-	ph->data_init     = data_init;
-	ph->data_size     = data_size;
-	ph->irg           = irg;
-	ph->n_data_ptr    = 0;
-	ph->data_ptr      = NULL;
+	obstack_init(&phase->obst);
+	phase->data_init  = data_init;
+	phase->irg        = irg;
+	phase->n_data_ptr = 0;
+	phase->data_ptr   = NULL;
+}
 
-	return ph;
+ir_phase *new_phase(ir_graph *irg, phase_irn_init *data_init)
+{
+	ir_phase *phase = xmalloc(sizeof(*phase));
+	phase_init(phase, irg, data_init);
+	return phase;
 }
 
-void phase_free(phase_t *phase)
+void phase_deinit(ir_phase *phase)
 {
 	obstack_free(&phase->obst, NULL);
-	if(phase->data_ptr)
+	if (phase->data_ptr)
 		xfree(phase->data_ptr);
 }
 
-phase_stat_t *phase_stat(const phase_t *phase, phase_stat_t *stat)
+void phase_free(ir_phase *phase)
 {
-	int i, n;
+	phase_deinit(phase);
+	xfree(phase);
+}
+
+phase_stat_t *phase_stat(const ir_phase *phase, phase_stat_t *stat)
+{
+	unsigned i, n;
 	memset(stat, 0, sizeof(stat[0]));
 
 	stat->node_map_bytes = phase->n_data_ptr * sizeof(phase->data_ptr[0]);
 	stat->node_slots     = phase->n_data_ptr;
-	for(i = 0, n = phase->n_data_ptr; i < n; ++i) {
-		if(phase->data_ptr[i] != NULL) {
+	for (i = 0, n = phase->n_data_ptr; i < n; ++i) {
+		if (phase->data_ptr[i] != NULL) {
 			stat->node_slots_used++;
-			stat->node_data_bytes += phase->data_size;
 		}
 	}
-	stat->overall_bytes = stat->node_map_bytes + obstack_memory_used(&((phase_t *)phase)->obst);
+	stat->overall_bytes = stat->node_map_bytes + obstack_memory_used(&((ir_phase *)phase)->obst);
 	return stat;
 }
 
-void phase_reinit_irn_data(phase_t *phase)
+void phase_reinit_irn_data(ir_phase *phase, phase_irn_reinit *data_reinit)
 {
-	int i, n;
+	unsigned i, n;
+	ir_graph *irg;
 
-	if(!phase->data_init)
+	if (! phase->data_init)
 		return;
 
-	for(i = 0, n = phase->n_data_ptr; i < n; ++i) {
-		if(phase->data_ptr[i])
-			phase->data_init(phase, NULL, phase->data_ptr[i]);
+	irg = phase->irg;
+	for (i = 0, n = phase->n_data_ptr; i < n; ++i) {
+		if (phase->data_ptr[i]) {
+			ir_node *node = get_idx_irn(irg, i);
+			phase->data_ptr[i] = data_reinit(phase, node, phase->data_ptr[i]);
+		}
 	}
 }
+
+ir_node *phase_get_first_node(const ir_phase *phase)
+{
+	unsigned i;
+
+	for (i = 0; i < phase->n_data_ptr;  ++i)
+		if (phase->data_ptr[i])
+			return get_idx_irn(phase->irg, i);
+
+	return NULL;
+}
+
+ir_node *phase_get_next_node(const ir_phase *phase, ir_node *start)
+{
+	unsigned i;
+
+	for (i = get_irn_idx(start) + 1; i < phase->n_data_ptr; ++i)
+		if (phase->data_ptr[i])
+			return get_idx_irn(phase->irg, i);
+
+	return NULL;
+}