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//===- llvm/PassManager.h - Container for Passes ----------------*- C++ -*-===//
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2005-04-21 20:19:05 +00:00
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//
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2003-10-20 20:19:47 +00:00
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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2005-04-21 20:19:05 +00:00
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//
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2003-10-20 20:19:47 +00:00
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//===----------------------------------------------------------------------===//
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//
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// This file defines the PassManager class. This class is used to hold,
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2003-05-20 18:39:06 +00:00
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// maintain, and optimize execution of Passes. The PassManager class ensures
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// that analysis results are available before a pass runs, and that Pass's are
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// destroyed when the PassManager is destroyed.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_PASSMANAGER_H
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#define LLVM_PASSMANAGER_H
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2006-11-07 21:31:57 +00:00
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#include "llvm/Pass.h"
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#include <vector>
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2003-11-11 22:41:34 +00:00
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namespace llvm {
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class Pass;
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class ModulePass;
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class Module;
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class ModuleProvider;
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class ModulePassManager;
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class FunctionPassManagerT;
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class BasicBlockPassManager;
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class PassManager {
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ModulePassManager *PM; // This is a straightforward Pimpl class
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public:
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PassManager();
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~PassManager();
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2002-08-25 22:54:55 +00:00
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/// add - Add a pass to the queue of passes to run. This passes ownership of
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/// the Pass to the PassManager. When the PassManager is destroyed, the pass
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/// will be destroyed as well, so there is no need to delete the pass. This
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/// implies that all passes MUST be allocated with 'new'.
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///
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void add(Pass *P);
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/// run - Execute all of the passes scheduled for execution. Keep track of
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/// whether any of the passes modifies the module, and if so, return true.
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///
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bool run(Module &M);
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};
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class FunctionPass;
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class ImmutablePass;
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class Function;
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class FunctionPassManager {
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FunctionPassManagerT *PM; // This is a straightforward Pimpl class
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ModuleProvider *MP;
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public:
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FunctionPassManager(ModuleProvider *P);
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~FunctionPassManager();
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/// add - Add a pass to the queue of passes to run. This passes
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/// ownership of the FunctionPass to the PassManager. When the
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/// PassManager is destroyed, the pass will be destroyed as well, so
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/// there is no need to delete the pass. This implies that all
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/// passes MUST be allocated with 'new'.
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///
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void add(FunctionPass *P);
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/// add - ImmutablePasses are not FunctionPasses, so we have a
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/// special hack to get them into a FunctionPassManager.
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///
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void add(ImmutablePass *IP);
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/// doInitialization - Run all of the initializers for the function passes.
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///
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bool doInitialization();
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/// run - Execute all of the passes scheduled for execution. Keep
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/// track of whether any of the passes modifies the function, and if
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/// so, return true.
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///
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bool run(Function &F);
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/// doFinalization - Run all of the initializers for the function passes.
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///
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bool doFinalization();
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};
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/// BasicBlockpassManager_New manages BasicBlockPass. It batches all the
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/// pass together and sequence them to process one basic block before
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/// processing next basic block.
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class BasicBlockPassManager_New: public Pass {
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public:
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BasicBlockPassManager_New() { }
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/// Add a pass into a passmanager queue.
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bool addPass(Pass *p);
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/// Execute all of the passes scheduled for execution. Keep track of
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/// whether any of the passes modifies the function, and if so, return true.
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bool runOnFunction(Function &F);
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private:
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// Collection of pass that are not yet scheduled
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std::vector<Pass *> PassVector;
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};
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2006-11-07 21:49:50 +00:00
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/// FunctionPassManager_New manages FunctionPasses and BasicBlockPassManagers.
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/// It batches all function passes and basic block pass managers together and
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/// sequence them to process one function at a time before processing next
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/// function.
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class FunctionPassManager_New:public Pass {
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public:
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FunctionPassManager_New(ModuleProvider *P) { /* TODO */ }
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FunctionPassManager_New() {
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activeBBPassManager = NULL;
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}
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~FunctionPassManager_New() { /* TODO */ };
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/// add - Add a pass to the queue of passes to run. This passes
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/// ownership of the Pass to the PassManager. When the
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/// PassManager_X is destroyed, the pass will be destroyed as well, so
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/// there is no need to delete the pass. (TODO delete passes.)
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/// This implies that all passes MUST be allocated with 'new'.
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void add(Pass *P) { /* TODO*/ }
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/// Add pass into the pass manager queue.
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bool addPass(Pass *P);
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/// Execute all of the passes scheduled for execution. Keep
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/// track of whether any of the passes modifies the function, and if
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/// so, return true.
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bool runOnModule(Module &M);
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private:
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// Collection of pass that are not yet scheduled
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std::vector<Pass *> PassVector;
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// Active Pass Managers
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BasicBlockPassManager_New *activeBBPassManager;
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};
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2006-11-07 22:03:15 +00:00
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/// FunctionPassManager_New manages FunctionPasses.
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/// It batches all Module passes passes and function pass managers together and
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/// sequence them to process one module.
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class ModulePassManager_New: public Pass {
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public:
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ModulePassManager_New() { activeFunctionPassManager = NULL; }
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/// Add a pass into a passmanager queue.
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bool addPass(Pass *p);
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/// run - Execute all of the passes scheduled for execution. Keep track of
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/// whether any of the passes modifies the module, and if so, return true.
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bool runOnModule(Module &M);
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private:
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// Collection of pass that are not yet scheduled
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std::vector<Pass *> PassVector;
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// Active Pass Manager
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FunctionPassManager_New *activeFunctionPassManager;
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};
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2003-11-11 22:41:34 +00:00
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} // End llvm namespace
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#endif
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