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group's interface to all of the implementations of that analysis group. The groups themselves can and do manage this anyways, the pass registry needn't involve itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219097 91177308-0d34-0410-b5e6-96231b3b80d8
101 lines
3.8 KiB
C++
101 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-c/Core.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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