extended functionality

[libfirm] / ir / ana / irbackedge.c

diff --git a/ir/ana/irbackedge.c b/ir/ana/irbackedge.c
index 9b37ac0..8a39fe2 100644 (file)
--- a/ir/ana/irbackedge.c
+++ b/ir/ana/irbackedge.c
@@ -82,7 +82,7 @@ static INLINE bool legal_backarray (ir_node *n) {
 }
 
 
-INLINE void fix_backedges(struct obstack *obst, ir_node *n) {
+void fix_backedges(struct obstack *obst, ir_node *n) {
   opcode opc = get_irn_opcode(n);
   int *arr = mere_get_backarray(n);
   if (ARR_LEN(arr) == ARR_LEN(get_irn_in(n))-1)
@@ -105,6 +105,25 @@ INLINE void fix_backedges(struct obstack *obst, ir_node *n) {
   }*/
 }
 
+int is_inter_backedge(ir_node *n, int pos) {
+  int res;
+  int rem = get_interprocedural_view();
+  set_interprocedural_view(0);
+  res = is_backedge(n, pos);
+  set_interprocedural_view(rem);
+  return res;
+}
+
+int is_intra_backedge(ir_node *n, int pos) {
+  int res;
+  int rem = get_interprocedural_view();
+  set_interprocedural_view(1);
+  res = is_backedge(n, pos);
+  set_interprocedural_view(rem);
+  return res;
+}
+
+
 /** Returns true if the predecessor pos is a backedge. */
 bool is_backedge (ir_node *n, int pos) {
   int *ba = get_backarray (n);