diff --git a/include/llvm-c/Core.h b/include/llvm-c/Core.h
index ed7d46932c7..63d6fd41e22 100644
--- a/include/llvm-c/Core.h
+++ b/include/llvm-c/Core.h
@@ -567,6 +567,8 @@ LLVMValueRef LLVMMDNode(LLVMValueRef *Vals, unsigned Count);
 const char  *LLVMGetMDString(LLVMValueRef V, unsigned* Len);
 unsigned LLVMGetNamedMetadataNumOperands(LLVMModuleRef M, const char* name);
 void LLVMGetNamedMetadataOperands(LLVMModuleRef M, const char* name, LLVMValueRef *Dest);
+void LLVMAddNamedMetadataOperand(LLVMModuleRef M, const char* name,
+                                 LLVMValueRef Val);
 
 /* Operations on scalar constants */
 LLVMValueRef LLVMConstInt(LLVMTypeRef IntTy, unsigned long long N,
diff --git a/lib/VMCore/Core.cpp b/lib/VMCore/Core.cpp
index 612d5fa2b91..644ee03b0be 100644
--- a/lib/VMCore/Core.cpp
+++ b/lib/VMCore/Core.cpp
@@ -566,6 +566,17 @@ void LLVMGetNamedMetadataOperands(LLVMModuleRef M, const char* name, LLVMValueRe
     Dest[i] = wrap(N->getOperand(i));
 }
 
+void LLVMAddNamedMetadataOperand(LLVMModuleRef M, const char* name,
+                                 LLVMValueRef Val)
+{
+  NamedMDNode *N = unwrap(M)->getOrInsertNamedMetadata(name);
+  if (!N)
+    return;
+  MDNode *Op = Val ? unwrap<MDNode>(Val) : NULL;
+  if (Op)
+    N->addOperand(Op);
+}
+
 /*--.. Operations on scalar constants ......................................--*/
 
 LLVMValueRef LLVMConstInt(LLVMTypeRef IntTy, unsigned long long N,