Index: include/llvm-c/DebugInfo.h
===================================================================
--- include/llvm-c/DebugInfo.h
+++ include/llvm-c/DebugInfo.h
@@ -883,6 +883,12 @@
     size_t NameLen, unsigned ArgNo, LLVMMetadataRef File, unsigned LineNo,
     LLVMMetadataRef Ty, LLVMBool AlwaysPreserve, LLVMDIFlags Flags);
 
+/**
+ * Retrieve the DWARF tag associated with a given metadata node.
+ * \param Node    The DINode.
+ */
+unsigned LLVMDIMetadataGetTag(LLVMMetadataRef Node);
+
 /**
  * Get the metadata of the subprogram attached to a function.
  *
Index: lib/IR/DebugInfo.cpp
===================================================================
--- lib/IR/DebugInfo.cpp
+++ lib/IR/DebugInfo.cpp
@@ -1158,6 +1158,10 @@
   return wrap(unwrap(Builder)->getOrCreateArray({DataValue, Length}).get());
 }
 
+unsigned LLVMDIMetadataGetTag(LLVMMetadataRef Node) {
+  return unwrapDI<DINode>(Node)->getTag();
+}
+
 LLVMMetadataRef LLVMGetSubprogram(LLVMValueRef Func) {
   return wrap(unwrap<Function>(Func)->getSubprogram());
 }