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//===- llvm/PassManager.h - Container for Passes -----------------*- C++ -*--=//
//
// This file defines the PassManager class. This class is used to hold,
// maintain, and optimize execution of Pass's. 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
class Pass;
class Module;
template<class UnitType> class PassManagerT;
class PassManager {
PassManagerT<Module> *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 functions modifies the program, and if so, return true.
//
bool run(Module *M);
};
#endif
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