X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firnode.c;h=a446381cf1115ea73949f76b238fea9517aab25b;hb=cb91bddc9cacdab7c28e4336847bd3dc248aa549;hp=fd2b94565aaea34a9f636f33f5cbf79151b42da5;hpb=e56b6aa71539f48504385fabb1882c2254e0368e;p=libfirm

diff --git a/ir/ir/irnode.c b/ir/ir/irnode.c
index fd2b94565..a446381cf 100644
--- a/ir/ir/irnode.c
+++ b/ir/ir/irnode.c
@@ -1158,22 +1158,22 @@ set_Call_type (ir_node *node, type *tp) {
 }
 
 int Call_has_callees(ir_node *node) {
-
+  assert(node && node->op == op_Call);
   return ((get_irg_callee_info_state(get_irn_irg(node)) != irg_callee_info_none) &&
 	  (node->attr.call.callee_arr != NULL));
 }
 
 int get_Call_n_callees(ir_node * node) {
-  assert(node->op == op_Call && node->attr.call.callee_arr);
+  assert(node && node->op == op_Call && node->attr.call.callee_arr);
   return ARR_LEN(node->attr.call.callee_arr);
 }
 
 entity * get_Call_callee(ir_node * node, int pos) {
-  assert(node->op == op_Call && node->attr.call.callee_arr);
+  assert(pos >= 0 && pos < get_Call_n_callees(node));
   return node->attr.call.callee_arr[pos];
 }
 
-void set_Call_callee_arr(ir_node * node, int n, entity ** arr) {
+void set_Call_callee_arr(ir_node * node, const int n, entity ** arr) {
   assert(node->op == op_Call);
   if (node->attr.call.callee_arr == NULL || get_Call_n_callees(node) != n) {
     node->attr.call.callee_arr = NEW_ARR_D(entity *, current_ir_graph->obst, n);