//===----------------------------------------------------------------------===//
#include "llvm/PassRegistry.h"
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/StringMap.h"
#include "llvm/IR/Function.h"
#include "llvm/PassSupport.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/Mutex.h"
#include "llvm/Support/RWMutex.h"
#include <vector>
return &*PassRegistryObj;
}
-static ManagedStatic<sys::SmartRWMutex<true> > Lock;
-
-//===----------------------------------------------------------------------===//
-// PassRegistryImpl
-//
-
-namespace {
-struct PassRegistryImpl {
- /// PassInfoMap - Keep track of the PassInfo object for each registered pass.
- typedef DenseMap<const void*, const PassInfo*> MapType;
- MapType PassInfoMap;
-
- typedef StringMap<const PassInfo*> StringMapType;
- StringMapType PassInfoStringMap;
-
- /// AnalysisGroupInfo - Keep track of information for each analysis group.
- struct AnalysisGroupInfo {
- SmallPtrSet<const PassInfo *, 8> Implementations;
- };
- DenseMap<const PassInfo*, AnalysisGroupInfo> AnalysisGroupInfoMap;
-
- std::vector<const PassInfo*> ToFree;
- std::vector<PassRegistrationListener*> Listeners;
-};
-} // end anonymous namespace
-
-void *PassRegistry::getImpl() const {
- if (!pImpl)
- pImpl = new PassRegistryImpl();
- return pImpl;
-}
-
//===----------------------------------------------------------------------===//
// Accessors
//
PassRegistry::~PassRegistry() {
- sys::SmartScopedWriter<true> Guard(*Lock);
- PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(pImpl);
-
- for (std::vector<const PassInfo*>::iterator I = Impl->ToFree.begin(),
- E = Impl->ToFree.end(); I != E; ++I)
- delete *I;
-
- delete Impl;
- pImpl = 0;
}
const PassInfo *PassRegistry::getPassInfo(const void *TI) const {
- sys::SmartScopedReader<true> Guard(*Lock);
- PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
- PassRegistryImpl::MapType::const_iterator I = Impl->PassInfoMap.find(TI);
- return I != Impl->PassInfoMap.end() ? I->second : 0;
+ sys::SmartScopedReader<true> Guard(Lock);
+ MapType::const_iterator I = PassInfoMap.find(TI);
+ return I != PassInfoMap.end() ? I->second : nullptr;
}
const PassInfo *PassRegistry::getPassInfo(StringRef Arg) const {
- sys::SmartScopedReader<true> Guard(*Lock);
- PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
- PassRegistryImpl::StringMapType::const_iterator
- I = Impl->PassInfoStringMap.find(Arg);
- return I != Impl->PassInfoStringMap.end() ? I->second : 0;
+ sys::SmartScopedReader<true> Guard(Lock);
+ StringMapType::const_iterator I = PassInfoStringMap.find(Arg);
+ return I != PassInfoStringMap.end() ? I->second : nullptr;
}
//===----------------------------------------------------------------------===//
//
void PassRegistry::registerPass(const PassInfo &PI, bool ShouldFree) {
- sys::SmartScopedWriter<true> Guard(*Lock);
- PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
+ sys::SmartScopedWriter<true> Guard(Lock);
bool Inserted =
- Impl->PassInfoMap.insert(std::make_pair(PI.getTypeInfo(),&PI)).second;
+ PassInfoMap.insert(std::make_pair(PI.getTypeInfo(),&PI)).second;
assert(Inserted && "Pass registered multiple times!");
(void)Inserted;
- Impl->PassInfoStringMap[PI.getPassArgument()] = &PI;
+ PassInfoStringMap[PI.getPassArgument()] = &PI;
// Notify any listeners.
for (std::vector<PassRegistrationListener*>::iterator
- I = Impl->Listeners.begin(), E = Impl->Listeners.end(); I != E; ++I)
+ I = Listeners.begin(), E = Listeners.end(); I != E; ++I)
(*I)->passRegistered(&PI);
- if (ShouldFree) Impl->ToFree.push_back(&PI);
+ if (ShouldFree) ToFree.push_back(std::unique_ptr<const PassInfo>(&PI));
}
void PassRegistry::unregisterPass(const PassInfo &PI) {
- sys::SmartScopedWriter<true> Guard(*Lock);
- PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
- PassRegistryImpl::MapType::iterator I =
- Impl->PassInfoMap.find(PI.getTypeInfo());
- assert(I != Impl->PassInfoMap.end() && "Pass registered but not in map!");
+ sys::SmartScopedWriter<true> Guard(Lock);
+ MapType::iterator I = PassInfoMap.find(PI.getTypeInfo());
+ assert(I != PassInfoMap.end() && "Pass registered but not in map!");
// Remove pass from the map.
- Impl->PassInfoMap.erase(I);
- Impl->PassInfoStringMap.erase(PI.getPassArgument());
+ PassInfoMap.erase(I);
+ PassInfoStringMap.erase(PI.getPassArgument());
}
void PassRegistry::enumerateWith(PassRegistrationListener *L) {
- sys::SmartScopedReader<true> Guard(*Lock);
- PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
- for (PassRegistryImpl::MapType::const_iterator I = Impl->PassInfoMap.begin(),
- E = Impl->PassInfoMap.end(); I != E; ++I)
+ sys::SmartScopedReader<true> Guard(Lock);
+ for (auto I = PassInfoMap.begin(), E = PassInfoMap.end(); I != E; ++I)
L->passEnumerate(I->second);
}
bool isDefault,
bool ShouldFree) {
PassInfo *InterfaceInfo = const_cast<PassInfo*>(getPassInfo(InterfaceID));
- if (InterfaceInfo == 0) {
+ if (!InterfaceInfo) {
// First reference to Interface, register it now.
registerPass(Registeree);
InterfaceInfo = &Registeree;
assert(ImplementationInfo &&
"Must register pass before adding to AnalysisGroup!");
- sys::SmartScopedWriter<true> Guard(*Lock);
+ sys::SmartScopedWriter<true> Guard(Lock);
// Make sure we keep track of the fact that the implementation implements
// the interface.
ImplementationInfo->addInterfaceImplemented(InterfaceInfo);
- PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
- PassRegistryImpl::AnalysisGroupInfo &AGI =
- Impl->AnalysisGroupInfoMap[InterfaceInfo];
+ AnalysisGroupInfo &AGI = AnalysisGroupInfoMap[InterfaceInfo];
assert(AGI.Implementations.count(ImplementationInfo) == 0 &&
"Cannot add a pass to the same analysis group more than once!");
AGI.Implementations.insert(ImplementationInfo);
if (isDefault) {
- assert(InterfaceInfo->getNormalCtor() == 0 &&
+ assert(InterfaceInfo->getNormalCtor() == nullptr &&
"Default implementation for analysis group already specified!");
assert(ImplementationInfo->getNormalCtor() &&
"Cannot specify pass as default if it does not have a default ctor");
}
}
- PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
- if (ShouldFree) Impl->ToFree.push_back(&Registeree);
+ if (ShouldFree)
+ ToFree.push_back(std::unique_ptr<const PassInfo>(&Registeree));
}
void PassRegistry::addRegistrationListener(PassRegistrationListener *L) {
- sys::SmartScopedWriter<true> Guard(*Lock);
- PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
- Impl->Listeners.push_back(L);
+ sys::SmartScopedWriter<true> Guard(Lock);
+ Listeners.push_back(L);
}
void PassRegistry::removeRegistrationListener(PassRegistrationListener *L) {
- sys::SmartScopedWriter<true> Guard(*Lock);
-
- // NOTE: This is necessary, because removeRegistrationListener() can be called
- // as part of the llvm_shutdown sequence. Since we have no control over the
- // order of that sequence, we need to gracefully handle the case where the
- // PassRegistry is destructed before the object that triggers this call.
- if (!pImpl) return;
+ sys::SmartScopedWriter<true> Guard(Lock);
- PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
- std::vector<PassRegistrationListener*>::iterator I =
- std::find(Impl->Listeners.begin(), Impl->Listeners.end(), L);
- assert(I != Impl->Listeners.end() &&
- "PassRegistrationListener not registered!");
- Impl->Listeners.erase(I);
+ auto I = std::find(Listeners.begin(), Listeners.end(), L);
+ Listeners.erase(I);
}
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