X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fana%2Firbackedge.c;h=0d624f83cf77f75776772d62a9d6636630bcb6aa;hb=6ccff2965d94c272f71df2a1655336af47bb7753;hp=13fee326f6925c57a7baa2ad84907b1bfc9e98f7;hpb=1a3b7d363474ab544c13093a2f0b578718d37c7a;p=libfirm

diff --git a/ir/ana/irbackedge.c b/ir/ana/irbackedge.c
index 13fee326f..0d624f83c 100644
--- a/ir/ana/irbackedge.c
+++ b/ir/ana/irbackedge.c
@@ -22,7 +22,6 @@
  * @brief     Access function for backedges.
  * @author    Goetz Lindenmaier
  * @date      7.2002
- * @version   $Id$
  */
 #include "config.h"
 
@@ -44,7 +43,7 @@
  * Does not assert whether the backarray is correct -- use
  * very careful!
  */
-static bitset_t *mere_get_backarray(ir_node *n)
+static bitset_t *mere_get_backarray(const ir_node *n)
 {
 	switch (get_irn_opcode(n)) {
 	case iro_Block:
@@ -65,7 +64,7 @@ static bitset_t *mere_get_backarray(ir_node *n)
  * Returns backarray if the node can have backedges, else returns
  * NULL.
  */
-static bitset_t *get_backarray(ir_node *n)
+static bitset_t *get_backarray(const ir_node *n)
 {
 	bitset_t *ba = mere_get_backarray(n);
 
@@ -85,7 +84,7 @@ static bitset_t *get_backarray(ir_node *n)
  * Returns non-zero if node has no backarray, or
  *                  if size of backarray == size of in array.
  */
-static int legal_backarray(ir_node *n)
+static int legal_backarray(const ir_node *n)
 {
 	bitset_t *ba = mere_get_backarray(n);
 	if (ba && (bitset_size(ba) != (unsigned) get_irn_arity(n)))
@@ -119,7 +118,7 @@ void fix_backedges(struct obstack *obst, ir_node *n)
 }
 
 /* Returns non-zero if the predecessor pos is a backedge. */
-int is_backedge(ir_node *n, int pos)
+int is_backedge(const ir_node *n, int pos)
 {
 	bitset_t *ba = get_backarray(n);
 	if (ba)
@@ -144,7 +143,7 @@ void set_not_backedge(ir_node *n, int pos)
 }
 
 /* Returns non-zero if n has backedges. */
-int has_backedges(ir_node *n)
+int has_backedges(const ir_node *n)
 {
 	bitset_t *ba = get_backarray(n);
 	if (ba != NULL) {