1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/ipa-utils.c b/gcc/ipa-utils.c
index b59be8c..5802884 100644
--- a/gcc/ipa-utils.c
+++ b/gcc/ipa-utils.c
@@ -253,6 +253,22 @@ ipa_get_nodes_in_cycle (struct cgraph_node *node)
   return v;
 }
 
+/* Return true iff the CS is an edge within a strongly connected component as
+   computed by ipa_reduced_postorder.  */
+
+bool
+ipa_edge_within_scc (struct cgraph_edge *cs)
+{
+  struct ipa_dfs_info *caller_dfs = (struct ipa_dfs_info *) cs->caller->symbol.aux;
+  struct ipa_dfs_info *callee_dfs;
+  struct cgraph_node *callee = cgraph_function_node (cs->callee, NULL);
+
+  callee_dfs = (struct ipa_dfs_info *) callee->symbol.aux;
+  return (caller_dfs
+	  && callee_dfs
+	  && caller_dfs->scc_no == callee_dfs->scc_no);
+}
+
 struct postorder_stack
 {
   struct cgraph_node *node;