Index: include/llvm/IR/DebugInfo.h
===================================================================
--- include/llvm/IR/DebugInfo.h
+++ include/llvm/IR/DebugInfo.h
@@ -156,6 +156,11 @@
 
   /// dump - print descriptor to dbgs() with a newline.
   void dump() const;
+
+  /// replaceAllUsesWith - Replace all uses of debug info referenced by
+  /// this descriptor.
+  void replaceAllUsesWith(LLVMContext &VMContext, DIDescriptor D);
+  void replaceAllUsesWith(MDNode *D);
 };
 
 /// DISubrange - This is used to represent ranges, for array bounds.
@@ -352,11 +357,6 @@
     return (getFlags() & FlagRValueReference) != 0;
   }
   bool isValid() const { return DbgNode && isType(); }
-
-  /// replaceAllUsesWith - Replace all uses of debug info referenced by
-  /// this descriptor.
-  void replaceAllUsesWith(LLVMContext &VMContext, DIDescriptor D);
-  void replaceAllUsesWith(MDNode *D);
 };
 
 /// DIBasicType - A basic type, like 'int' or 'float'.
Index: lib/IR/DebugInfo.cpp
===================================================================
--- lib/IR/DebugInfo.cpp
+++ lib/IR/DebugInfo.cpp
@@ -363,7 +363,7 @@
 
 /// replaceAllUsesWith - Replace all uses of the MDNode used by this
 /// type with the one in the passed descriptor.
-void DIType::replaceAllUsesWith(LLVMContext &VMContext, DIDescriptor D) {
+void DIDescriptor::replaceAllUsesWith(LLVMContext &VMContext, DIDescriptor D) {
 
   assert(DbgNode && "Trying to replace an unverified type!");
 
@@ -389,7 +389,7 @@
 
 /// replaceAllUsesWith - Replace all uses of the MDNode used by this
 /// type with the one in D.
-void DIType::replaceAllUsesWith(MDNode *D) {
+void DIDescriptor::replaceAllUsesWith(MDNode *D) {
 
   assert(DbgNode && "Trying to replace an unverified type!");
   assert(DbgNode != D && "This replacement should always happen");