Define npos in a way that should make MSVC happier.

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

diff --git a/include/llvm/PassManager.h b/include/llvm/PassManager.h
index 6d462026e3a25c02a48c0e6dd75e359cdffba81a..a6703fd5867a88457d4a91b8dc67e22ec6126903 100644 (file)
--- a/include/llvm/PassManager.h
+++ b/include/llvm/PassManager.h
@@ -29,8 +29,22 @@ class ModuleProvider;
 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();
@@ -54,7 +68,7 @@ private:
 };
 
 /// 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.
@@ -81,6 +95,12 @@ public:
   /// doFinalization - Run all of the finalizers for the function passes.
   ///
   bool doFinalization();
+  
+  /// getModuleProvider - Return the module provider that this passmanager is
+  /// currently using.  This is the module provider that it uses when a function
+  /// is optimized that is non-resident in the module.
+  ModuleProvider *getModuleProvider() const { return MP; }
+  void setModuleProvider(ModuleProvider *NewMP) { MP = NewMP; }
 
 private:
   FunctionPassManagerImpl *FPM;