//
// 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 is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#define LLVM_PASSMANAGER_H
#include "llvm/Pass.h"
-#include <vector>
namespace llvm {
class Pass;
-class ModulePass;
class Module;
-class ModuleProvider;
-class ModulePassManager;
-class FunctionPassManagerT;
-class BasicBlockPassManager;
-class PassManager {
- ModulePassManager *PM; // This is a straightforward Pimpl class
+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 : public PassManagerBase {
public:
+
PassManager();
~PassManager();
/// 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'.
- ///
void add(Pass *P);
/// run - Execute all of the passes scheduled for execution. Keep track of
/// whether any of the passes modifies the module, and if so, return true.
- ///
bool run(Module &M);
-};
-class FunctionPass;
-class ImmutablePass;
-class Function;
+private:
+ /// PassManagerImpl_New is the actual class. PassManager is just the
+ /// wraper to publish simple pass manager interface
+ PassManagerImpl *PM;
+};
-class FunctionPassManager {
- FunctionPassManagerT *PM; // This is a straightforward Pimpl class
- ModuleProvider *MP;
+/// FunctionPassManager manages FunctionPasses and BasicBlockPassManagers.
+class FunctionPassManager : public PassManagerBase {
public:
- FunctionPassManager(ModuleProvider *P);
+ /// FunctionPassManager ctor - This initializes the pass manager. It needs,
+ /// but does not take ownership of, the specified Module.
+ explicit FunctionPassManager(Module *M);
~FunctionPassManager();
/// add - Add a pass to the queue of passes to run. This passes
- /// ownership of the FunctionPass 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'.
- ///
- void add(FunctionPass *P);
-
- /// add - ImmutablePasses are not FunctionPasses, so we have a
- /// special hack to get them into a FunctionPassManager.
- ///
- void add(ImmutablePass *IP);
+ /// ownership of the Pass to the PassManager. When the
+ /// PassManager_X 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'.
+ void add(Pass *P);
- /// doInitialization - Run all of the initializers for the function passes.
- ///
- bool doInitialization();
-
/// run - Execute all of the passes scheduled for execution. Keep
/// track of whether any of the passes modifies the function, and if
/// so, return true.
///
bool run(Function &F);
-
- /// doFinalization - Run all of the initializers for the function passes.
- ///
- bool doFinalization();
-};
-
-/// BasicBlockpassManager_New manages BasicBlockPass. It batches all the
-/// pass together and sequence them to process one basic block before
-/// processing next basic block.
-class BasicBlockPassManager_New: public Pass {
-
-public:
- BasicBlockPassManager_New() { }
-
- /// Add a pass into a passmanager queue.
- bool addPass(Pass *p);
-
- /// Execute all of the passes scheduled for execution. Keep track of
- /// whether any of the passes modifies the function, and if so, return true.
- bool runOnFunction(Function &F);
-
-private:
- // Collection of pass that are not yet scheduled
- std::vector<Pass *> PassVector;
-};
-
-/// FunctionPassManager_New manages FunctionPasses and BasicBlockPassManagers.
-/// It batches all function passes and basic block pass managers together and
-/// sequence them to process one function at a time before processing next
-/// function.
-class FunctionPassManager_New:public Pass {
-public:
- FunctionPassManager_New(ModuleProvider *P) { /* TODO */ }
- FunctionPassManager_New() {
- activeBBPassManager = NULL;
- }
- ~FunctionPassManager_New() { /* TODO */ };
-
- /// add - Add a pass to the queue of passes to run. This passes
- /// ownership of the Pass to the PassManager. When the
- /// PassManager_X is destroyed, the pass will be destroyed as well, so
- /// there is no need to delete the pass. (TODO delete passes.)
- /// This implies that all passes MUST be allocated with 'new'.
- void add(Pass *P) { /* TODO*/ }
- /// Add pass into the pass manager queue.
- bool addPass(Pass *P);
+ /// doInitialization - Run all of the initializers for the function passes.
+ ///
+ bool doInitialization();
- /// Execute all of the passes scheduled for execution. Keep
- /// track of whether any of the passes modifies the function, and if
- /// so, return true.
- bool runOnModule(Module &M);
+ /// doFinalization - Run all of the finalizers for the function passes.
+ ///
+ bool doFinalization();
private:
- // Collection of pass that are not yet scheduled
- std::vector<Pass *> PassVector;
-
- // Active Pass Managers
- BasicBlockPassManager_New *activeBBPassManager;
+ FunctionPassManagerImpl *FPM;
+ Module *M;
};
} // End llvm namespace
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