X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeutil.c;h=fe26121b8eeb33a85ac6bf7eab1796d67162fbd6;hb=e7ba741cdd9599ce05d7989bff60a1c6137ee0b5;hp=12b2fa161612f16a88106d6e30a1138c5c40fd1b;hpb=590ee347f24fa1dedb141278ac21717d01f13fcf;p=libfirm

diff --git a/ir/be/beutil.c b/ir/be/beutil.c
index 12b2fa161..fe26121b8 100644
--- a/ir/be/beutil.c
+++ b/ir/be/beutil.c
@@ -1,7 +1,27 @@
+/*
+ * Copyright (C) 1995-2007 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.
+ */
+
 /**
- * Contains some useful function for the backend.
- * @author Sebastian Hack
- * @cvsid  $Id$
+ * @file
+ * @brief       Contains some useful function for the backend.
+ * @author      Sebastian Hack
+ * @version     $Id$
  */
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -24,7 +44,7 @@
 
 #include "beutil.h"
 #include "besched_t.h"
-#include "bearch.h"
+#include "bearch_t.h"
 
 /* Get an always empty set. */
 pset *be_empty_set(void)
@@ -108,6 +128,10 @@ void dump_allocated_irg(arch_env_t *arch_env, ir_graph *irg, char *suffix)
  */
 static int sched_edge_hook(FILE *F, ir_node *irn)
 {
+#ifndef SCHEDULE_PROJS
+	if (is_Proj(irn))
+		return 1;
+#endif
 	if(sched_is_scheduled(irn) && sched_has_prev(irn)) {
 		ir_node *prev = sched_prev(irn);
 		fprintf(F, "edge:{sourcename:\"");
@@ -162,16 +186,19 @@ void be_dump(ir_graph *irg, const char *suffix, void (*dumper)(ir_graph *, const
 
 static void collect_phis(ir_node *irn, void *data)
 {
-  if(is_Phi(irn)) {
-    ir_node *bl = get_nodes_block(irn);
-    set_irn_link(irn, get_irn_link(bl));
-    set_irn_link(bl, irn);
-  }
+	(void) data;
+	if(is_Phi(irn)) {
+		ir_node *bl = get_nodes_block(irn);
+		set_irn_link(irn, get_irn_link(bl));
+		set_irn_link(bl, irn);
+	}
 }
 
 void be_clear_links(ir_graph *irg)
 {
+	set_using_irn_link(irg);
 	irg_walk_graph(irg, firm_clear_link, NULL, NULL);
+	clear_using_irn_link(irg);
 }
 
 void be_collect_phis(ir_graph *irg)
@@ -179,9 +206,11 @@ void be_collect_phis(ir_graph *irg)
 	irg_walk_graph(irg, collect_phis, NULL, NULL);
 }
 
-static void count_num_reachable_nodes(ir_node *irn, void *env) {
+static void count_num_reachable_nodes(ir_node *irn, void *env)
+{
 	int *num = env;
 	(*num)++;
+	(void) irn;
 }
 
 unsigned get_num_reachable_nodes(ir_graph *irg) {
@@ -194,40 +223,22 @@ unsigned get_num_reachable_nodes(ir_graph *irg) {
  * Sets all node inputs to BAD node.
  */
 void be_kill_node(ir_node *irn) {
-	int      i, first;
-	ir_graph *irg;
+	ir_graph *irg = get_irn_irg(irn);
 
 	assert(!is_Bad(irn));
 
-DEBUG_ONLY(
-	irg   = get_irn_irg(irn);
+#ifdef DEBUG_libfirm
+	{
+	int i, first;
 	first = 0 - ! is_Block(irn);
 
 	for (i = get_irn_arity(irn) - 1; i >= first; --i) {
 		set_irn_n(irn, i, get_irg_bad(irg));
 	}
-)
-	edges_node_deleted(irn, irg);
-}
-
-/* FIXME: not used. can be deleted? */
-ir_node *dom_up_search(pset *accept, ir_node *start_point_exclusive) {
-	ir_node *irn, *idom;
-
-	/* search the current block */
-	for (irn=sched_prev(start_point_exclusive); irn; irn=sched_prev(irn))
-		if (pset_find_ptr(accept, irn))
-			return irn;
-
-	/* FIXME: This is obviously buggy: after the first recursive call idom is a block
-	   and get_nodes_block will fail.
-		 Moreover, why not a simple iteration instead of recursion */
-	idom = get_Block_idom(get_nodes_block(start_point_exclusive));
+	}
+#endif
 
-	if (idom)
-		return dom_up_search(accept, idom); /* continue search in idom-block */
-	else
-		return NULL; /* this was the start block and we did not find an acceptable irn */
+	edges_node_deleted(irn, irg);
 }
 
 /**
@@ -247,3 +258,16 @@ ir_node *be_get_Proj_for_pn(const ir_node *irn, long pn) {
 
 	return NULL;
 }
+
+FILE *be_ffopen(const char *base, const char *ext, const char *mode) {
+	FILE *out;
+	char buf[1024];
+
+	snprintf(buf, sizeof(buf), "%s.%s", base, ext);
+	buf[sizeof(buf) - 1] = '\0';
+	if (! (out = fopen(buf, mode))) {
+		fprintf(stderr, "Cannot open file %s in mode %s\n", buf, mode);
+		return NULL;
+	}
+	return out;
+}