restrict dyn_cast_or_null to pointer types, just like cast_or_null; re-commit of...

[oota-llvm.git] / include / llvm / Support / ManagedStatic.h

diff --git a/include/llvm/Support/ManagedStatic.h b/include/llvm/Support/ManagedStatic.h
index 4fc648319ad4757ba44d6cf6153defaccdd9cefe..a6b3341c16556f09ac660db060431cf5cb85c2db 100644 (file)
--- a/include/llvm/Support/ManagedStatic.h
+++ b/include/llvm/Support/ManagedStatic.h
@@ -27,10 +27,12 @@ void* object_creator() {
 
 /// object_deleter - Helper method for ManagedStatic.
 ///
-template<class C>
-void object_deleter(void *Ptr) {
-  delete (C*)Ptr;
-}
+template<typename T> struct object_deleter {
+  static void call(void * Ptr) { delete (T*)Ptr; }
+};
+template<typename T, size_t N> struct object_deleter<T[N]> {
+  static void call(void * Ptr) { delete[] (T*)Ptr; }
+};
 
 /// ManagedStaticBase - Common base class for ManagedStatic instances.
 class ManagedStaticBase {
@@ -62,39 +64,33 @@ public:
   C &operator*() {
     void* tmp = Ptr;
     if (llvm_is_multithreaded()) sys::MemoryFence();
-    if (!tmp) RegisterManagedStatic(object_creator<C>, object_deleter<C>);
+    if (!tmp) RegisterManagedStatic(object_creator<C>, object_deleter<C>::call);
 
     return *static_cast<C*>(Ptr);
   }
   C *operator->() {
     void* tmp = Ptr;
     if (llvm_is_multithreaded()) sys::MemoryFence();
-    if (!tmp) RegisterManagedStatic(object_creator<C>, object_deleter<C>);
+    if (!tmp) RegisterManagedStatic(object_creator<C>, object_deleter<C>::call);
 
     return static_cast<C*>(Ptr);
   }
   const C &operator*() const {
     void* tmp = Ptr;
     if (llvm_is_multithreaded()) sys::MemoryFence();
-    if (!tmp) RegisterManagedStatic(object_creator<C>, object_deleter<C>);
+    if (!tmp) RegisterManagedStatic(object_creator<C>, object_deleter<C>::call);
 
     return *static_cast<C*>(Ptr);
   }
   const C *operator->() const {
     void* tmp = Ptr;
     if (llvm_is_multithreaded()) sys::MemoryFence();
-    if (!tmp) RegisterManagedStatic(object_creator<C>, object_deleter<C>);
+    if (!tmp) RegisterManagedStatic(object_creator<C>, object_deleter<C>::call);
 
     return static_cast<C*>(Ptr);
   }
 };
 
-template<void (*CleanupFn)(void*)>
-class ManagedCleanup : public ManagedStaticBase {
-public:
-  void Register() { RegisterManagedStatic(0, CleanupFn); }
-};
-
 /// llvm_shutdown - Deallocate and destroy all ManagedStatic variables.
 void llvm_shutdown();