1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/ModuloScheduling/MSchedGraph.h b/llvm/lib/CodeGen/ModuloScheduling/MSchedGraph.h
index 9fe6b52c47e..9680fc09944 100644
--- a/llvm/lib/CodeGen/ModuloScheduling/MSchedGraph.h
+++ b/llvm/lib/CodeGen/ModuloScheduling/MSchedGraph.h
@@ -99,6 +99,10 @@ namespace llvm {
     bool hasSuccessors() { return (Successors.size() > 0); }
     int getLatency() { return latency; }
     MSchedGraphEdge getInEdge(MSchedGraphNode *pred);
+    unsigned getInEdgeNum(MSchedGraphNode *pred);
+
+    bool isSuccessor(MSchedGraphNode *);
+    bool isPredecessor(MSchedGraphNode *);
 
     //Debug support
     void print(std::ostream &os) const;