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359dea2a6b
Type specific declarations have been moved to Type.h and error handling routines have been moved to ErrorHandling.h. Both are included in Core.h so nothing should change for projects directly including the headers, but transitive dependencies may be affected. llvm-svn: 255965
100 lines
3.8 KiB
C++
100 lines
3.8 KiB
C++
//===- llvm/PassRegistry.h - Pass Information Registry ----------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines PassRegistry, a class that is used in the initialization
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// and registration of passes. At application startup, passes are registered
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// with the PassRegistry, which is later provided to the PassManager for
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// dependency resolution and similar tasks.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_PASSREGISTRY_H
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#define LLVM_PASSREGISTRY_H
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/SmallPtrSet.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/PassInfo.h"
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#include "llvm/Support/CBindingWrapping.h"
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#include "llvm/Support/RWMutex.h"
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#include <vector>
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namespace llvm {
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class PassInfo;
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struct PassRegistrationListener;
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/// PassRegistry - This class manages the registration and intitialization of
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/// the pass subsystem as application startup, and assists the PassManager
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/// in resolving pass dependencies.
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/// NOTE: PassRegistry is NOT thread-safe. If you want to use LLVM on multiple
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/// threads simultaneously, you will need to use a separate PassRegistry on
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/// each thread.
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class PassRegistry {
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mutable sys::SmartRWMutex<true> Lock;
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/// PassInfoMap - Keep track of the PassInfo object for each registered pass.
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typedef DenseMap<const void *, const PassInfo *> MapType;
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MapType PassInfoMap;
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typedef StringMap<const PassInfo *> StringMapType;
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StringMapType PassInfoStringMap;
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std::vector<std::unique_ptr<const PassInfo>> ToFree;
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std::vector<PassRegistrationListener *> Listeners;
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public:
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PassRegistry() {}
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~PassRegistry();
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/// getPassRegistry - Access the global registry object, which is
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/// automatically initialized at application launch and destroyed by
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/// llvm_shutdown.
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static PassRegistry *getPassRegistry();
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/// getPassInfo - Look up a pass' corresponding PassInfo, indexed by the pass'
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/// type identifier (&MyPass::ID).
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const PassInfo *getPassInfo(const void *TI) const;
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/// getPassInfo - Look up a pass' corresponding PassInfo, indexed by the pass'
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/// argument string.
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const PassInfo *getPassInfo(StringRef Arg) const;
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/// registerPass - Register a pass (by means of its PassInfo) with the
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/// registry. Required in order to use the pass with a PassManager.
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void registerPass(const PassInfo &PI, bool ShouldFree = false);
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/// registerAnalysisGroup - Register an analysis group (or a pass implementing
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// an analysis group) with the registry. Like registerPass, this is required
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// in order for a PassManager to be able to use this group/pass.
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void registerAnalysisGroup(const void *InterfaceID, const void *PassID,
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PassInfo &Registeree, bool isDefault,
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bool ShouldFree = false);
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/// enumerateWith - Enumerate the registered passes, calling the provided
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/// PassRegistrationListener's passEnumerate() callback on each of them.
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void enumerateWith(PassRegistrationListener *L);
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/// addRegistrationListener - Register the given PassRegistrationListener
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/// to receive passRegistered() callbacks whenever a new pass is registered.
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void addRegistrationListener(PassRegistrationListener *L);
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/// removeRegistrationListener - Unregister a PassRegistrationListener so that
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/// it no longer receives passRegistered() callbacks.
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void removeRegistrationListener(PassRegistrationListener *L);
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};
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// Create wrappers for C Binding types (see CBindingWrapping.h).
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DEFINE_STDCXX_CONVERSION_FUNCTIONS(PassRegistry, LLVMPassRegistryRef)
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}
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#endif
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