1 files changed, 7 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/ScheduleDAG.h b/include/llvm/CodeGen/ScheduleDAG.h
index ef62685..f4de693 100644
--- a/include/llvm/CodeGen/ScheduleDAG.h
+++ b/include/llvm/CodeGen/ScheduleDAG.h
@@ -410,6 +410,13 @@ namespace llvm {
       return false;
     }
 
+    bool isTopReady() const {
+      return NumPredsLeft == 0;
+    }
+    bool isBottomReady() const {
+      return NumSuccsLeft == 0;
+    }
+
     void dump(const ScheduleDAG *G) const;
     void dumpAll(const ScheduleDAG *G) const;
     void print(raw_ostream &O, const ScheduleDAG *G) const;