class PassManagerImpl;
class FunctionPassManagerImpl;
+/// PassManagerBase - An abstract interface to allow code to add passes to
+/// a pass manager without having to hard-code what kind of pass manager
+/// it is.
+class PassManagerBase {
+public:
+ virtual ~PassManagerBase();
+
+ /// add - Add a pass to the queue of passes to run. This passes ownership of
+ /// the Pass to the PassManager. When the PassManager is destroyed, the pass
+ /// will be destroyed as well, so there is no need to delete the pass. This
+ /// implies that all passes MUST be allocated with 'new'.
+ virtual void add(Pass *P) = 0;
+};
+
/// PassManager manages ModulePassManagers
-class PassManager {
+class PassManager : public PassManagerBase {
public:
PassManager();
};
/// FunctionPassManager manages FunctionPasses and BasicBlockPassManagers.
-class FunctionPassManager {
+class FunctionPassManager : public PassManagerBase {
public:
/// FunctionPassManager ctor - This initializes the pass manager. It needs,
/// but does not take ownership of, the specified module provider.