1 //===- llvm/PassRegistry.h - Pass Information Registry ----------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines PassRegistry, a class that is used in the initialization
11 // and registration of passes. At application startup, passes are registered
12 // with the PassRegistry, which is later provided to the PassManager for
13 // dependency resolution and similar tasks.
15 //===----------------------------------------------------------------------===//
17 #ifndef LLVM_PASSREGISTRY_H
18 #define LLVM_PASSREGISTRY_H
20 #include "llvm-c/Core.h"
21 #include "llvm/ADT/StringRef.h"
22 #include "llvm/Support/CBindingWrapping.h"
27 struct PassRegistrationListener;
29 /// PassRegistry - This class manages the registration and intitialization of
30 /// the pass subsystem as application startup, and assists the PassManager
31 /// in resolving pass dependencies.
32 /// NOTE: PassRegistry is NOT thread-safe. If you want to use LLVM on multiple
33 /// threads simultaneously, you will need to use a separate PassRegistry on
37 void *getImpl() const;
40 PassRegistry() : pImpl(0) { }
43 /// getPassRegistry - Access the global registry object, which is
44 /// automatically initialized at application launch and destroyed by
46 static PassRegistry *getPassRegistry();
48 /// getPassInfo - Look up a pass' corresponding PassInfo, indexed by the pass'
49 /// type identifier (&MyPass::ID).
50 const PassInfo *getPassInfo(const void *TI) const;
52 /// getPassInfo - Look up a pass' corresponding PassInfo, indexed by the pass'
54 const PassInfo *getPassInfo(StringRef Arg) const;
56 /// registerPass - Register a pass (by means of its PassInfo) with the
57 /// registry. Required in order to use the pass with a PassManager.
58 void registerPass(const PassInfo &PI, bool ShouldFree = false);
60 /// registerPass - Unregister a pass (by means of its PassInfo) with the
62 void unregisterPass(const PassInfo &PI);
64 /// registerAnalysisGroup - Register an analysis group (or a pass implementing
65 // an analysis group) with the registry. Like registerPass, this is required
66 // in order for a PassManager to be able to use this group/pass.
67 void registerAnalysisGroup(const void *InterfaceID, const void *PassID,
68 PassInfo& Registeree, bool isDefault,
69 bool ShouldFree = false);
71 /// enumerateWith - Enumerate the registered passes, calling the provided
72 /// PassRegistrationListener's passEnumerate() callback on each of them.
73 void enumerateWith(PassRegistrationListener *L);
75 /// addRegistrationListener - Register the given PassRegistrationListener
76 /// to receive passRegistered() callbacks whenever a new pass is registered.
77 void addRegistrationListener(PassRegistrationListener *L);
79 /// removeRegistrationListener - Unregister a PassRegistrationListener so that
80 /// it no longer receives passRegistered() callbacks.
81 void removeRegistrationListener(PassRegistrationListener *L);
84 // Create wrappers for C Binding types (see CBindingWrapping.h).
85 DEFINE_STDCXX_CONVERSION_FUNCTIONS(PassRegistry, LLVMPassRegistryRef)