Make sure that at least one virtual method is defined in a .cpp file to avoid

having the compiler emit RTTI and vtables to EVERY translation unit.

llvm-svn: 11871

include/Support/Annotation.h

@@ -68,7 +68,7 @@ class Annotation {
   Annotation *Next;        // The next annotation in the linked list
 public:
   inline Annotation(AnnotationID id) : ID(id), Next(0) {}
-  virtual ~Annotation() {}  // Designed to be subclassed
+  virtual ~Annotation();  // Designed to be subclassed
 
   // getID - Return the unique ID# of this annotation
   inline AnnotationID getID() const { return ID; }
@@ -95,14 +95,7 @@ class Annotable {
   void operator=(const Annotable &);   // Do not implement
 public:
   Annotable() : AnnotationList(0) {}
-  virtual ~Annotable() {   // Virtual because it's designed to be subclassed...
-    Annotation *A = AnnotationList;
-    while (A) {
-      Annotation *Next = A->getNext();
-      delete A;
-      A = Next;
-    }
-  }
+  virtual ~Annotable();    // Virtual because it's designed to be subclassed...
 
   // getAnnotation - Search the list for annotations of the specified ID.  The
   // pointer returned is either null (if no annotations of the specified ID

include/llvm/AbstractTypeUser.h

@@ -44,7 +44,7 @@ class DerivedType;
 
 class AbstractTypeUser {
 protected:
-  virtual ~AbstractTypeUser() {}                        // Derive from me
+  virtual ~AbstractTypeUser();                        // Derive from me
 public:
 
   /// refineAbstractType - The callback method invoked when an abstract type is

lib/Support/Annotation.cpp

@@ -15,6 +15,18 @@
 #include "Support/Annotation.h"
 using namespace llvm;
 
+Annotation::~Annotation() {}  // Designed to be subclassed
+
+Annotable::~Annotable() {   // Virtual because it's designed to be subclassed...
+  Annotation *A = AnnotationList;
+  while (A) {
+    Annotation *Next = A->getNext();
+    delete A;
+    A = Next;
+  }
+}
+
+
 typedef std::map<const std::string, unsigned> IDMapType;
 static unsigned IDCounter = 0;  // Unique ID counter
 
@@ -41,7 +53,6 @@ static void eraseFromFactMap(unsigned ID) {
   }
 }
 
-
 AnnotationID AnnotationManager::getID(const std::string &Name) {  // Name -> ID
   IDMapType::iterator I = getIDMap().find(Name);
   if (I == getIDMap().end()) {

lib/VMCore/Type.cpp

@@ -26,6 +26,7 @@ using namespace llvm;
 //
 //#define DEBUG_MERGE_TYPES 1
 
+AbstractTypeUser::~AbstractTypeUser() {}
 
 //===----------------------------------------------------------------------===//
 //                         Type Class Implementation