llvm-6502/include/llvm/PassManager.h
Chris Lattner b2cd4bac87 Add explicit doInitialization/doFinalization methods instead of making
the FunctionPassManager redo this for each function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30079 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-04 04:07:39 +00:00

91 lines
2.8 KiB
C++

//===- llvm/PassManager.h - Container for Passes ----------------*- 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 defines the PassManager class. This class is used to hold,
// maintain, and optimize execution of Passes. The PassManager class ensures
// that analysis results are available before a pass runs, and that Pass's are
// destroyed when the PassManager is destroyed.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_PASSMANAGER_H
#define LLVM_PASSMANAGER_H
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
public:
PassManager();
~PassManager();
/// 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'.
///
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;
class FunctionPassManager {
FunctionPassManagerT *PM; // This is a straightforward Pimpl class
ModuleProvider *MP;
public:
FunctionPassManager(ModuleProvider *P);
~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);
/// 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();
};
} // End llvm namespace
#endif