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-rw-r--r--lib/VMCore/PassRegistry.cpp209
1 files changed, 0 insertions, 209 deletions
diff --git a/lib/VMCore/PassRegistry.cpp b/lib/VMCore/PassRegistry.cpp
deleted file mode 100644
index 2df65572c592..000000000000
--- a/lib/VMCore/PassRegistry.cpp
+++ /dev/null
@@ -1,209 +0,0 @@
-//===- PassRegistry.cpp - Pass Registration Implementation ----------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the PassRegistry, with which passes are registered on
-// initialization, and supports the PassManager in dependency resolution.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/PassRegistry.h"
-#include "llvm/PassSupport.h"
-#include "llvm/Support/Compiler.h"
-#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/Mutex.h"
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/StringMap.h"
-#include "llvm/Function.h"
-#include <vector>
-
-using namespace llvm;
-
-// FIXME: We use ManagedStatic to erase the pass registrar on shutdown.
-// Unfortunately, passes are registered with static ctors, and having
-// llvm_shutdown clear this map prevents successful resurrection 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.
-static ManagedStatic<PassRegistry> PassRegistryObj;
-PassRegistry *PassRegistry::getPassRegistry() {
- return &*PassRegistryObj;
-}
-
-static ManagedStatic<sys::SmartMutex<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::SmartScopedLock<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::SmartScopedLock<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;
-}
-
-const PassInfo *PassRegistry::getPassInfo(StringRef Arg) const {
- sys::SmartScopedLock<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;
-}
-
-//===----------------------------------------------------------------------===//
-// Pass Registration mechanism
-//
-
-void PassRegistry::registerPass(const PassInfo &PI, bool ShouldFree) {
- sys::SmartScopedLock<true> Guard(*Lock);
- PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
- bool Inserted =
- Impl->PassInfoMap.insert(std::make_pair(PI.getTypeInfo(),&PI)).second;
- assert(Inserted && "Pass registered multiple times!");
- (void)Inserted;
- Impl->PassInfoStringMap[PI.getPassArgument()] = &PI;
-
- // Notify any listeners.
- for (std::vector<PassRegistrationListener*>::iterator
- I = Impl->Listeners.begin(), E = Impl->Listeners.end(); I != E; ++I)
- (*I)->passRegistered(&PI);
-
- if (ShouldFree) Impl->ToFree.push_back(&PI);
-}
-
-void PassRegistry::unregisterPass(const PassInfo &PI) {
- sys::SmartScopedLock<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!");
-
- // Remove pass from the map.
- Impl->PassInfoMap.erase(I);
- Impl->PassInfoStringMap.erase(PI.getPassArgument());
-}
-
-void PassRegistry::enumerateWith(PassRegistrationListener *L) {
- sys::SmartScopedLock<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)
- L->passEnumerate(I->second);
-}
-
-
-/// Analysis Group Mechanisms.
-void PassRegistry::registerAnalysisGroup(const void *InterfaceID,
- const void *PassID,
- PassInfo& Registeree,
- bool isDefault,
- bool ShouldFree) {
- PassInfo *InterfaceInfo = const_cast<PassInfo*>(getPassInfo(InterfaceID));
- if (InterfaceInfo == 0) {
- // First reference to Interface, register it now.
- registerPass(Registeree);
- InterfaceInfo = &Registeree;
- }
- assert(Registeree.isAnalysisGroup() &&
- "Trying to join an analysis group that is a normal pass!");
-
- if (PassID) {
- PassInfo *ImplementationInfo = const_cast<PassInfo*>(getPassInfo(PassID));
- assert(ImplementationInfo &&
- "Must register pass before adding to AnalysisGroup!");
-
- sys::SmartScopedLock<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];
- 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 &&
- "Default implementation for analysis group already specified!");
- assert(ImplementationInfo->getNormalCtor() &&
- "Cannot specify pass as default if it does not have a default ctor");
- InterfaceInfo->setNormalCtor(ImplementationInfo->getNormalCtor());
- }
- }
-
- PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
- if (ShouldFree) Impl->ToFree.push_back(&Registeree);
-}
-
-void PassRegistry::addRegistrationListener(PassRegistrationListener *L) {
- sys::SmartScopedLock<true> Guard(*Lock);
- PassRegistryImpl *Impl = static_cast<PassRegistryImpl*>(getImpl());
- Impl->Listeners.push_back(L);
-}
-
-void PassRegistry::removeRegistrationListener(PassRegistrationListener *L) {
- sys::SmartScopedLock<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;
-
- 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);
-}
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