#include "llvm/Pass.h"
#include "llvm/PassManager.h"
#include "llvm/Module.h"
-#include "llvm/ModuleProvider.h"
#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/StringMap.h"
+#include "llvm/Support/Debug.h"
#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/Threading.h"
+#include "llvm/Support/PassNameParser.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/System/Atomic.h"
+#include "llvm/System/Mutex.h"
+#include "llvm/System/Threading.h"
#include <algorithm>
#include <map>
#include <set>
// Force out-of-line virtual method.
ModulePass::~ModulePass() { }
+PassManagerType ModulePass::getPotentialPassManagerType() const {
+ return PMT_ModulePassManager;
+}
+
bool Pass::mustPreserveAnalysisID(const PassInfo *AnalysisID) const {
return Resolver->getAnalysisIfAvailable(AnalysisID, true) != 0;
}
// dumpPassStructure - Implement the -debug-passes=Structure option
void Pass::dumpPassStructure(unsigned Offset) {
- cerr << std::string(Offset*2, ' ') << getPassName() << "\n";
+ dbgs().indent(Offset*2) << getPassName() << "\n";
}
/// getPassName - Return a nice clean name for a pass. This usually
return "Unnamed pass: implement Pass::getPassName()";
}
+void Pass::preparePassManager(PMStack &) {
+ // By default, don't do anything.
+}
+
+PassManagerType Pass::getPotentialPassManagerType() const {
+ // Default implementation.
+ return PMT_Unknown;
+}
+
+void Pass::getAnalysisUsage(AnalysisUsage &) const {
+ // By default, no analysis results are used, all are invalidated.
+}
+
+void Pass::releaseMemory() {
+ // By default, don't do anything.
+}
+
+void Pass::verifyAnalysis() const {
+ // By default, don't do anything.
+}
+
// print - Print out the internal state of the pass. This is called by Analyze
// to print out the contents of an analysis. Otherwise it is not necessary to
// implement this method.
//
-void Pass::print(std::ostream &O,const Module*) const {
+void Pass::print(raw_ostream &O,const Module*) const {
O << "Pass::print not implemented for pass: '" << getPassName() << "'!\n";
}
// dump - call print(cerr);
void Pass::dump() const {
- print(*cerr.stream(), 0);
+ print(dbgs(), 0);
}
//===----------------------------------------------------------------------===//
// Force out-of-line virtual method.
ImmutablePass::~ImmutablePass() { }
+void ImmutablePass::initializePass() {
+ // By default, don't do anything.
+}
+
//===----------------------------------------------------------------------===//
// FunctionPass Implementation
//
return Changed | doFinalization(*F.getParent());
}
+bool FunctionPass::doInitialization(Module &) {
+ // By default, don't do anything.
+ return false;
+}
+
+bool FunctionPass::doFinalization(Module &) {
+ // By default, don't do anything.
+ return false;
+}
+
+PassManagerType FunctionPass::getPotentialPassManagerType() const {
+ return PMT_FunctionPassManager;
+}
+
//===----------------------------------------------------------------------===//
// BasicBlockPass Implementation
//
return Changed | doFinalization(F);
}
+bool BasicBlockPass::doInitialization(Module &) {
+ // By default, don't do anything.
+ return false;
+}
+
+bool BasicBlockPass::doInitialization(Function &) {
+ // By default, don't do anything.
+ return false;
+}
+
+bool BasicBlockPass::doFinalization(Function &) {
+ // By default, don't do anything.
+ return false;
+}
+
+bool BasicBlockPass::doFinalization(Module &) {
+ // By default, don't do anything.
+ return false;
+}
+
+PassManagerType BasicBlockPass::getPotentialPassManagerType() const {
+ return PMT_BasicBlockPassManager;
+}
+
//===----------------------------------------------------------------------===//
// Pass Registration mechanism
//
/// pass.
typedef std::map<intptr_t, const PassInfo*> MapType;
MapType PassInfoMap;
+
+ typedef StringMap<const PassInfo*> StringMapType;
+ StringMapType PassInfoStringMap;
/// AnalysisGroupInfo - Keep track of information for each analysis group.
struct AnalysisGroupInfo {
- const PassInfo *DefaultImpl;
std::set<const PassInfo *> Implementations;
- AnalysisGroupInfo() : DefaultImpl(0) {}
};
/// AnalysisGroupInfoMap - Information for each analysis group.
return I != PassInfoMap.end() ? I->second : 0;
}
+ const PassInfo *GetPassInfo(StringRef Arg) const {
+ StringMapType::const_iterator I = PassInfoStringMap.find(Arg);
+ return I != PassInfoStringMap.end() ? I->second : 0;
+ }
+
void RegisterPass(const PassInfo &PI) {
bool Inserted =
PassInfoMap.insert(std::make_pair(PI.getTypeInfo(),&PI)).second;
assert(Inserted && "Pass registered multiple times!"); Inserted=Inserted;
+ PassInfoStringMap[PI.getPassArgument()] = &PI;
}
void UnregisterPass(const PassInfo &PI) {
// Remove pass from the map.
PassInfoMap.erase(I);
+ PassInfoStringMap.erase(PI.getPassArgument());
}
void EnumerateWith(PassRegistrationListener *L) {
"Cannot add a pass to the same analysis group more than once!");
AGI.Implementations.insert(ImplementationInfo);
if (isDefault) {
- assert(AGI.DefaultImpl == 0 && InterfaceInfo->getNormalCtor() == 0 &&
+ 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");
- AGI.DefaultImpl = ImplementationInfo;
InterfaceInfo->setNormalCtor(ImplementationInfo->getNormalCtor());
}
}
}
static std::vector<PassRegistrationListener*> *Listeners = 0;
+static sys::SmartMutex<true> ListenersLock;
// FIXME: This should use ManagedStatic to manage the pass registrar.
// Unfortunately, we can't do this, because passes are registered with static
// Use double-checked locking to safely initialize the registrar when
// we're running in multithreaded mode.
PassRegistrar* tmp = PassRegistrarObj;
- sys::MemoryFence();
- if (!tmp) {
- if (llvm_is_multithreaded()) {
+ if (llvm_is_multithreaded()) {
+ sys::MemoryFence();
+ if (!tmp) {
llvm_acquire_global_lock();
tmp = PassRegistrarObj;
if (!tmp) {
PassRegistrarObj = tmp;
}
llvm_release_global_lock();
- } else {
- PassRegistrarObj = new PassRegistrar();
}
+ } else if (!tmp) {
+ PassRegistrarObj = new PassRegistrar();
}
+
return PassRegistrarObj;
}
return getPassRegistrar()->GetPassInfo(TI);
}
+const PassInfo *Pass::lookupPassInfo(StringRef Arg) {
+ return getPassRegistrar()->GetPassInfo(Arg);
+}
+
void PassInfo::registerPass() {
getPassRegistrar()->RegisterPass(*this);
// Notify any listeners.
+ sys::SmartScopedLock<true> Lock(ListenersLock);
if (Listeners)
for (std::vector<PassRegistrationListener*>::iterator
I = Listeners->begin(), E = Listeners->end(); I != E; ++I)
//
RegisterAGBase::RegisterAGBase(const char *Name, intptr_t InterfaceID,
intptr_t PassID, bool isDefault)
- : PassInfo(Name, InterfaceID),
- ImplementationInfo(0), isDefaultImplementation(isDefault) {
+ : PassInfo(Name, InterfaceID) {
- InterfaceInfo = const_cast<PassInfo*>(Pass::lookupPassInfo(InterfaceID));
+ PassInfo *InterfaceInfo =
+ const_cast<PassInfo*>(Pass::lookupPassInfo(InterfaceID));
if (InterfaceInfo == 0) {
// First reference to Interface, register it now.
registerPass();
"Trying to join an analysis group that is a normal pass!");
if (PassID) {
- ImplementationInfo = Pass::lookupPassInfo(PassID);
+ const PassInfo *ImplementationInfo = Pass::lookupPassInfo(PassID);
assert(ImplementationInfo &&
"Must register pass before adding to AnalysisGroup!");
// PassRegistrationListener ctor - Add the current object to the list of
// PassRegistrationListeners...
PassRegistrationListener::PassRegistrationListener() {
+ sys::SmartScopedLock<true> Lock(ListenersLock);
if (!Listeners) Listeners = new std::vector<PassRegistrationListener*>();
Listeners->push_back(this);
}
// dtor - Remove object from list of listeners...
PassRegistrationListener::~PassRegistrationListener() {
+ sys::SmartScopedLock<true> Lock(ListenersLock);
std::vector<PassRegistrationListener*>::iterator I =
std::find(Listeners->begin(), Listeners->end(), this);
assert(Listeners && I != Listeners->end() &&
getPassRegistrar()->EnumerateWith(this);
}
+PassNameParser::~PassNameParser() {}
+
//===----------------------------------------------------------------------===//
// AnalysisUsage Class Implementation
//
projects / oota-llvm.git / blobdiff