static std::vector<PassRegistrationListener*> *Listeners = 0;
static sys::SmartMutex<true> ListenersLock;
-static PassRegistry *PassRegistryObj = 0;
-static PassRegistry *getPassRegistry() {
- // Use double-checked locking to safely initialize the registrar when
- // we're running in multithreaded mode.
- PassRegistry* tmp = PassRegistryObj;
- if (llvm_is_multithreaded()) {
- sys::MemoryFence();
- if (!tmp) {
- llvm_acquire_global_lock();
- tmp = PassRegistryObj;
- if (!tmp) {
- tmp = new PassRegistry();
- sys::MemoryFence();
- PassRegistryObj = tmp;
- }
- llvm_release_global_lock();
- }
- } else if (!tmp) {
- PassRegistryObj = new PassRegistry();
- }
-
- return PassRegistryObj;
-}
-
-namespace {
-
-// FIXME: We use ManagedCleanup to erase the pass registrar on shutdown.
-// Unfortunately, passes are registered with static ctors, and having
-// llvm_shutdown clear this map prevents successful ressurection after
-// llvm_shutdown is run. Ideally we should find a solution so that we don't
-// leak the map, AND can still resurrect after shutdown.
-void cleanupPassRegistry(void*) {
- if (PassRegistryObj) {
- delete PassRegistryObj;
- PassRegistryObj = 0;
- }
-}
-ManagedCleanup<&cleanupPassRegistry> registryCleanup ATTRIBUTE_USED;
-
-}
-
// getPassInfo - Return the PassInfo data structure that corresponds to this
// pass...
const PassInfo *Pass::getPassInfo() const {
}
const PassInfo *Pass::lookupPassInfo(intptr_t TI) {
- return getPassRegistry()->getPassInfo(TI);
+ return PassRegistry::getPassRegistry()->getPassInfo(TI);
}
const PassInfo *Pass::lookupPassInfo(StringRef Arg) {
- return getPassRegistry()->getPassInfo(Arg);
+ return PassRegistry::getPassRegistry()->getPassInfo(Arg);
}
void PassInfo::registerPass() {
- getPassRegistry()->registerPass(*this);
+ PassRegistry::getPassRegistry()->registerPass(*this);
// Notify any listeners.
sys::SmartScopedLock<true> Lock(ListenersLock);
}
void PassInfo::unregisterPass() {
- getPassRegistry()->unregisterPass(*this);
+ PassRegistry::getPassRegistry()->unregisterPass(*this);
}
Pass *PassInfo::createPass() const {
PassInfo *IIPI = const_cast<PassInfo*>(ImplementationInfo);
IIPI->addInterfaceImplemented(InterfaceInfo);
- getPassRegistry()->registerAnalysisGroup(InterfaceInfo, IIPI, isDefault);
+ PassRegistry::getPassRegistry()->registerAnalysisGroup(InterfaceInfo, IIPI, isDefault);
}
}
// passEnumerate callback on each PassInfo object.
//
void PassRegistrationListener::enumeratePasses() {
- getPassRegistry()->enumerateWith(this);
+ PassRegistry::getPassRegistry()->enumerateWith(this);
}
PassNameParser::~PassNameParser() {}