Add support for emitting 64-bit integers

[oota-llvm.git] / include / llvm / ModuleProvider.h

diff --git a/include/llvm/ModuleProvider.h b/include/llvm/ModuleProvider.h
index de9616fe2ed2c9fba17c66a86a64fc1fd70ddbe1..2f185e01d353732b909c9614bed901f482ab1f93 100644 (file)
--- a/include/llvm/ModuleProvider.h
+++ b/include/llvm/ModuleProvider.h
@@ -1,10 +1,10 @@
 //===-- llvm/ModuleProvider.h - Interface for module providers --*- C++ -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by the LLVM research group and is distributed under
 // the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file provides an abstract interface for loading a module from some
@@ -35,23 +35,39 @@ public:
   ///
   Module* getModule() { return TheModule; }
 
-  /// materializeFunction - make sure the given function is fully read.
+  /// materializeFunction - make sure the given function is fully read.  Note
+  /// that this can throw an exception if the module is corrupt!
   ///
   virtual void materializeFunction(Function *F) = 0;
 
   /// materializeModule - make sure the entire Module has been completely read.
+  /// Note that this can throw an exception if the module is corrupt!
   ///
-  Module* materializeModule();
+  virtual Module* materializeModule() = 0;
 
   /// releaseModule - no longer delete the Module* when provider is destroyed.
+  /// Note that this can throw an exception if the module is corrupt!
   ///
-  virtual Module* releaseModule() { 
+  virtual Module* releaseModule() {
     // Since we're losing control of this Module, we must hand it back complete
     materializeModule();
-    Module *tempM = TheModule; 
-    TheModule = 0; 
-    return tempM; 
+    Module *tempM = TheModule;
+    TheModule = 0;
+    return tempM;
+  }
+};
+
+
+/// ExistingModuleProvider - Allow conversion from a fully materialized Module
+/// into a ModuleProvider, allowing code that expects a ModuleProvider to work
+/// if we just have a Module.  Note that the ModuleProvider takes ownership of
+/// the Module specified.
+struct ExistingModuleProvider : public ModuleProvider {
+  ExistingModuleProvider(Module *M) {
+    TheModule = M;
   }
+  void materializeFunction(Function *F) {}
+  Module* materializeModule() { return TheModule; }
 };
 
 } // End llvm namespace