X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fana%2Firbackedge.c;h=da5690b94082014c41e772bfc6924842e72c02b0;hb=c9cf5741b1e2053990f0021b0b25b1d135a9c254;hp=9387fb24cc28ac15244b657855fe3fbe41a3bb16;hpb=ac7a8d6d17e3080b94233fb5ab099591b9dc757b;p=libfirm

diff --git a/ir/ana/irbackedge.c b/ir/ana/irbackedge.c
index 9387fb24c..da5690b94 100644
--- a/ir/ana/irbackedge.c
+++ b/ir/ana/irbackedge.c
@@ -129,25 +129,32 @@ void set_not_backedge (ir_node *n, int pos) {
 bool has_backedges (ir_node *n) {
   int i;
   int *ba = get_backarray (n);
-  if (ba)
-    for (i = 0; i < get_irn_arity(n); i++)
+  if (ba) {
+    int arity = get_irn_arity(n);
+    for (i = 0; i < arity; i++)
       if (ba[i]) return true;
+  }
   return false;
 }
 
 /** Sets all backedge information to zero. */
 void clear_backedges (ir_node *n) {
-  int i, rem = interprocedural_view;
+  int i, arity;
+  int rem = interprocedural_view;
   int *ba;
   interprocedural_view = 0;
   ba = get_backarray (n);
-  if (ba)
-    for (i = 0; i < get_irn_arity(n); i++)
+  if (ba) {
+    arity = get_irn_arity(n);
+    for (i = 0; i < arity; i++)
       ba[i] = 0;
+  }
   interprocedural_view = 1;
   ba = get_backarray (n);
-  if (ba)
-    for (i = 0; i < get_irn_arity(n); i++)
+  if (ba) {
+    arity = get_irn_arity(n);
+    for (i = 0; i < arity; i++)
       ba[i] = 0;
+  }
   interprocedural_view = rem;
 }