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37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
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//===- llvm/PassManager.h - Container for Passes -----------------*- C++ -*--=//
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//
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// This file defines the PassManager class. This class is used to hold,
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// maintain, and optimize execution of Pass's. 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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class Pass;
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class Module;
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template<class UnitType> class PassManagerT;
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class PassManager {
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PassManagerT<Module> *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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// 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 functions modifies the program, 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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#endif
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