Make addPred and removePred return void, since the return value is not
currently used by anything.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61066 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
index 9eefc7f..6ac608f 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
@@ -79,14 +79,14 @@
 
   /// AddPred - adds a predecessor edge to SUnit SU.
   /// This returns true if this is a new predecessor.
-  bool AddPred(SUnit *SU, const SDep &D) {
-    return SU->addPred(D);
+  void AddPred(SUnit *SU, const SDep &D) {
+    SU->addPred(D);
   }
 
   /// RemovePred - removes a predecessor edge from SUnit SU.
   /// This returns true if an edge was removed.
-  bool RemovePred(SUnit *SU, const SDep &D) {
-    return SU->removePred(D);
+  void RemovePred(SUnit *SU, const SDep &D) {
+    SU->removePred(D);
   }
 
 private: