Index: include/llvm/CodeGen/MachineMemOperand.h
===================================================================
--- include/llvm/CodeGen/MachineMemOperand.h
+++ include/llvm/CodeGen/MachineMemOperand.h
@@ -202,18 +202,14 @@
     return static_cast<SynchronizationScope>(AtomicInfo.SynchScope);
   }
 
-  /// Return the atomic ordering requirements for this memory operation.
+  /// Return the atomic ordering requirements for this memory operation. For
+  /// cmpxchg atomic operations, return the atomic ordering requirements when
+  /// store occurs.
   AtomicOrdering getOrdering() const {
     return static_cast<AtomicOrdering>(AtomicInfo.Ordering);
   }
 
   /// For cmpxchg atomic operations, return the atomic ordering requirements
-  /// when store occurs.
-  AtomicOrdering getSuccessOrdering() const {
-    return getOrdering();
-  }
-
-  /// For cmpxchg atomic operations, return the atomic ordering requirements
   /// when store does not occur.
   AtomicOrdering getFailureOrdering() const {
     return static_cast<AtomicOrdering>(AtomicInfo.FailureOrdering);
Index: include/llvm/CodeGen/SelectionDAGNodes.h
===================================================================
--- include/llvm/CodeGen/SelectionDAGNodes.h
+++ include/llvm/CodeGen/SelectionDAGNodes.h
@@ -1123,7 +1123,9 @@
   /// Return the synchronization scope for this memory operation.
   SynchronizationScope getSynchScope() const { return MMO->getSynchScope(); }
 
-  /// Return the atomic ordering requirements for this memory operation.
+  /// Return the atomic ordering requirements for this memory operation. For
+  /// cmpxchg atomic operations, return the atomic ordering requirements when
+  /// store occurs.
   AtomicOrdering getOrdering() const { return MMO->getOrdering(); }
 
   /// Return the type of the in-memory value.
@@ -1205,13 +1207,6 @@
   }
 
   /// For cmpxchg atomic operations, return the atomic ordering requirements
-  /// when store occurs.
-  AtomicOrdering getSuccessOrdering() const {
-    assert(isCompareAndSwap() && "Must be cmpxchg operation");
-    return MMO->getSuccessOrdering();
-  }
-
-  /// For cmpxchg atomic operations, return the atomic ordering requirements
   /// when store does not occur.
   AtomicOrdering getFailureOrdering() const {
     assert(isCompareAndSwap() && "Must be cmpxchg operation");