You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
98 lines
3.8 KiB
98 lines
3.8 KiB
4 months ago
|
//===- llvm/PassRegistry.h - Pass Information Registry ----------*- C++ -*-===//
|
||
|
|
//
|
||
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
||
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
||
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// This file defines PassRegistry, a class that is used in the initialization
|
||
|
|
// and registration of passes. At application startup, passes are registered
|
||
|
|
// with the PassRegistry, which is later provided to the PassManager for
|
||
|
|
// dependency resolution and similar tasks.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#ifndef LLVM_PASSREGISTRY_H
|
||
|
|
#define LLVM_PASSREGISTRY_H
|
||
|
|
|
||
|
|
#include "llvm/ADT/DenseMap.h"
|
||
|
|
#include "llvm/ADT/StringMap.h"
|
||
|
|
#include "llvm/ADT/StringRef.h"
|
||
|
|
#include "llvm/Support/CBindingWrapping.h"
|
||
|
|
#include "llvm/Support/RWMutex.h"
|
||
|
|
#include <memory>
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
namespace llvm {
|
||
|
|
|
||
|
|
class PassInfo;
|
||
|
|
struct PassRegistrationListener;
|
||
|
|
|
||
|
|
/// PassRegistry - This class manages the registration and intitialization of
|
||
|
|
/// the pass subsystem as application startup, and assists the PassManager
|
||
|
|
/// in resolving pass dependencies.
|
||
|
|
/// NOTE: PassRegistry is NOT thread-safe. If you want to use LLVM on multiple
|
||
|
|
/// threads simultaneously, you will need to use a separate PassRegistry on
|
||
|
|
/// each thread.
|
||
|
|
class PassRegistry {
|
||
|
|
mutable sys::SmartRWMutex<true> Lock;
|
||
|
|
|
||
|
|
/// PassInfoMap - Keep track of the PassInfo object for each registered pass.
|
||
|
|
using MapType = DenseMap<const void *, const PassInfo *>;
|
||
|
|
MapType PassInfoMap;
|
||
|
|
|
||
|
|
using StringMapType = StringMap<const PassInfo *>;
|
||
|
|
StringMapType PassInfoStringMap;
|
||
|
|
|
||
|
|
std::vector<std::unique_ptr<const PassInfo>> ToFree;
|
||
|
|
std::vector<PassRegistrationListener *> Listeners;
|
||
|
|
|
||
|
|
public:
|
||
|
|
PassRegistry() = default;
|
||
|
|
~PassRegistry();
|
||
|
|
|
||
|
|
/// getPassRegistry - Access the global registry object, which is
|
||
|
|
/// automatically initialized at application launch and destroyed by
|
||
|
|
/// llvm_shutdown.
|
||
|
|
static PassRegistry *getPassRegistry();
|
||
|
|
|
||
|
|
/// getPassInfo - Look up a pass' corresponding PassInfo, indexed by the pass'
|
||
|
|
/// type identifier (&MyPass::ID).
|
||
|
|
const PassInfo *getPassInfo(const void *TI) const;
|
||
|
|
|
||
|
|
/// getPassInfo - Look up a pass' corresponding PassInfo, indexed by the pass'
|
||
|
|
/// argument string.
|
||
|
|
const PassInfo *getPassInfo(StringRef Arg) const;
|
||
|
|
|
||
|
|
/// registerPass - Register a pass (by means of its PassInfo) with the
|
||
|
|
/// registry. Required in order to use the pass with a PassManager.
|
||
|
|
void registerPass(const PassInfo &PI, bool ShouldFree = false);
|
||
|
|
|
||
|
|
/// registerAnalysisGroup - Register an analysis group (or a pass implementing
|
||
|
|
// an analysis group) with the registry. Like registerPass, this is required
|
||
|
|
// in order for a PassManager to be able to use this group/pass.
|
||
|
|
void registerAnalysisGroup(const void *InterfaceID, const void *PassID,
|
||
|
|
PassInfo &Registeree, bool isDefault,
|
||
|
|
bool ShouldFree = false);
|
||
|
|
|
||
|
|
/// enumerateWith - Enumerate the registered passes, calling the provided
|
||
|
|
/// PassRegistrationListener's passEnumerate() callback on each of them.
|
||
|
|
void enumerateWith(PassRegistrationListener *L);
|
||
|
|
|
||
|
|
/// addRegistrationListener - Register the given PassRegistrationListener
|
||
|
|
/// to receive passRegistered() callbacks whenever a new pass is registered.
|
||
|
|
void addRegistrationListener(PassRegistrationListener *L);
|
||
|
|
|
||
|
|
/// removeRegistrationListener - Unregister a PassRegistrationListener so that
|
||
|
|
/// it no longer receives passRegistered() callbacks.
|
||
|
|
void removeRegistrationListener(PassRegistrationListener *L);
|
||
|
|
};
|
||
|
|
|
||
|
|
// Create wrappers for C Binding types (see CBindingWrapping.h).
|
||
|
|
DEFINE_STDCXX_CONVERSION_FUNCTIONS(PassRegistry, LLVMPassRegistryRef)
|
||
|
|
|
||
|
|
} // end namespace llvm
|
||
|
|
|
||
|
|
#endif // LLVM_PASSREGISTRY_H
|