//===----------------------------------------------------------------------===//
#include "llvm/PassManager.h"
-#include "PassManagerT.h" // PassManagerT implementation
#include "llvm/Module.h"
#include "llvm/ModuleProvider.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/TypeInfo.h"
+#include <algorithm>
#include <set>
using namespace llvm;
-//===----------------------------------------------------------------------===//
-// AnalysisResolver Class Implementation
-//
-
-AnalysisResolver::~AnalysisResolver() {
-}
-void AnalysisResolver::setAnalysisResolver(Pass *P, AnalysisResolver *AR) {
- assert(P->Resolver == 0 && "Pass already in a PassManager!");
- P->Resolver = AR;
-}
-
-//===----------------------------------------------------------------------===//
-// PassManager implementation - The PassManager class is a simple Pimpl class
-// that wraps the PassManagerT template.
-//
-PassManager::PassManager() : PM(new ModulePassManager()) {}
-PassManager::~PassManager() { delete PM; }
-void PassManager::add(Pass *P) {
- ModulePass *MP = dynamic_cast<ModulePass*>(P);
- assert(MP && "Not a modulepass?");
- PM->add(MP);
-}
-bool PassManager::run(Module &M) { return PM->runOnModule(M); }
-
-//===----------------------------------------------------------------------===//
-// FunctionPassManager implementation - The FunctionPassManager class
-// is a simple Pimpl class that wraps the PassManagerT template. It
-// is like PassManager, but only deals in FunctionPasses.
-//
-FunctionPassManager::FunctionPassManager(ModuleProvider *P) :
- PM(new FunctionPassManagerT()), MP(P) {}
-FunctionPassManager::~FunctionPassManager() { delete PM; }
-void FunctionPassManager::add(FunctionPass *P) { PM->add(P); }
-void FunctionPassManager::add(ImmutablePass *IP) { PM->add(IP); }
-
-/// doInitialization - Run all of the initializers for the function passes.
-///
-bool FunctionPassManager::doInitialization() {
- return PM->doInitialization(*MP->getModule());
-}
-
-bool FunctionPassManager::run(Function &F) {
- std::string errstr;
- if (MP->materializeFunction(&F, &errstr)) {
- cerr << "Error reading bytecode file: " << errstr << "\n";
- abort();
- }
- return PM->runOnFunction(F);
-}
-
-/// doFinalization - Run all of the initializers for the function passes.
-///
-bool FunctionPassManager::doFinalization() {
- return PM->doFinalization(*MP->getModule());
-}
-
-
-//===----------------------------------------------------------------------===//
-// TimingInfo Class - This class is used to calculate information about the
-// amount of time each pass takes to execute. This only happens with
-// -time-passes is enabled on the command line.
-//
-bool llvm::TimePassesIsEnabled = false;
-static cl::opt<bool,true>
-EnableTiming("time-passes", cl::location(TimePassesIsEnabled),
- cl::desc("Time each pass, printing elapsed time for each on exit"));
-
-// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to
-// a non null value (if the -time-passes option is enabled) or it leaves it
-// null. It may be called multiple times.
-void TimingInfo::createTheTimeInfo() {
- if (!TimePassesIsEnabled || TheTimeInfo) return;
-
- // Constructed the first time this is called, iff -time-passes is enabled.
- // This guarantees that the object will be constructed before static globals,
- // thus it will be destroyed before them.
- static TimingInfo TTI;
- TheTimeInfo = &TTI;
-}
-
-void PMDebug::PrintArgumentInformation(const Pass *P) {
- // Print out passes in pass manager...
- if (const AnalysisResolver *PM = dynamic_cast<const AnalysisResolver*>(P)) {
- for (unsigned i = 0, e = PM->getNumContainedPasses(); i != e; ++i)
- PrintArgumentInformation(PM->getContainedPass(i));
-
- } else { // Normal pass. Print argument information...
- // Print out arguments for registered passes that are _optimizations_
- if (const PassInfo *PI = P->getPassInfo())
- if (!PI->isAnalysisGroup())
- cerr << " -" << PI->getPassArgument();
- }
-}
-
-void PMDebug::PrintPassInformation(unsigned Depth, const char *Action,
- Pass *P, Module *M) {
- if (PassDebugging >= Executions) {
- cerr << (void*)P << std::string(Depth*2+1, ' ') << Action << " '"
- << P->getPassName();
- if (M) cerr << "' on Module '" << M->getModuleIdentifier() << "'\n";
- cerr << "'...\n";
- }
-}
-
-void PMDebug::PrintPassInformation(unsigned Depth, const char *Action,
- Pass *P, Function *F) {
- if (PassDebugging >= Executions) {
- cerr << (void*)P << std::string(Depth*2+1, ' ') << Action << " '"
- << P->getPassName();
- if (F) cerr << "' on Function '" << F->getName();
- cerr << "'...\n";
- }
-}
-
-void PMDebug::PrintPassInformation(unsigned Depth, const char *Action,
- Pass *P, BasicBlock *BB) {
- if (PassDebugging >= Executions) {
- cerr << (void*)P << std::string(Depth*2+1, ' ') << Action << " '"
- << P->getPassName();
- if (BB) cerr << "' on BasicBlock '" << BB->getName();
- cerr << "'...\n";
- }
-}
-
-void PMDebug::PrintAnalysisSetInfo(unsigned Depth, const char *Msg,
- Pass *P, const std::vector<AnalysisID> &Set){
- if (PassDebugging >= Details && !Set.empty()) {
- cerr << (void*)P << std::string(Depth*2+3, ' ') << Msg << " Analyses:";
- for (unsigned i = 0; i != Set.size(); ++i) {
- if (i) cerr << ",";
- cerr << " " << Set[i]->getPassName();
- }
- cerr << "\n";
- }
-}
-
//===----------------------------------------------------------------------===//
// Pass Implementation
//
-void ModulePass::addToPassManager(ModulePassManager *PM, AnalysisUsage &AU) {
- PM->addPass(this, AU);
+// Force out-of-line virtual method.
+Pass::~Pass() {
+ delete Resolver;
}
+// Force out-of-line virtual method.
+ModulePass::~ModulePass() { }
+
bool Pass::mustPreserveAnalysisID(const PassInfo *AnalysisID) const {
- return Resolver->getAnalysisToUpdate(AnalysisID) != 0;
+ return Resolver->getAnalysisToUpdate(AnalysisID, true) != 0;
}
// dumpPassStructure - Implement the -debug-passes=Structure option
//===----------------------------------------------------------------------===//
// ImmutablePass Implementation
//
-void ImmutablePass::addToPassManager(ModulePassManager *PM,
- AnalysisUsage &AU) {
- PM->addPass(this, AU);
-}
-
+// Force out-of-line virtual method.
+ImmutablePass::~ImmutablePass() { }
//===----------------------------------------------------------------------===//
// FunctionPass Implementation
bool Changed = doInitialization(M);
for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
- if (!I->isExternal()) // Passes are not run on external functions!
+ if (!I->isDeclaration()) // Passes are not run on external functions!
Changed |= runOnFunction(*I);
return Changed | doFinalization(M);
// run - On a function, we simply initialize, run the function, then finalize.
//
bool FunctionPass::run(Function &F) {
- if (F.isExternal()) return false;// Passes are not run on external functions!
+ if (F.isDeclaration()) return false;// Passes are not run on external functions!
bool Changed = doInitialization(*F.getParent());
Changed |= runOnFunction(F);
return Changed | doFinalization(*F.getParent());
}
-void FunctionPass::addToPassManager(ModulePassManager *PM,
- AnalysisUsage &AU) {
- PM->addPass(this, AU);
-}
-
-void FunctionPass::addToPassManager(FunctionPassManagerT *PM,
- AnalysisUsage &AU) {
- PM->addPass(this, AU);
-}
-
//===----------------------------------------------------------------------===//
// BasicBlockPass Implementation
//
return Changed;
}
-void BasicBlockPass::addToPassManager(FunctionPassManagerT *PM,
- AnalysisUsage &AU) {
- PM->addPass(this, AU);
-}
-
-void BasicBlockPass::addToPassManager(BasicBlockPassManager *PM,
- AnalysisUsage &AU) {
- PM->addPass(this, AU);
-}
-
-
//===----------------------------------------------------------------------===//
// Pass Registration mechanism
//
class PassRegistrar {
/// PassInfoMap - Keep track of the passinfo object for each registered llvm
/// pass.
- std::map<TypeInfo, PassInfo*> PassInfoMap;
+ std::map<intptr_t, PassInfo*> PassInfoMap;
/// AnalysisGroupInfo - Keep track of information for each analysis group.
struct AnalysisGroupInfo {
public:
- const PassInfo *GetPassInfo(const std::type_info &TI) const {
- std::map<TypeInfo, PassInfo*>::const_iterator I = PassInfoMap.find(TI);
+ const PassInfo *GetPassInfo(intptr_t TI) const {
+ std::map<intptr_t, PassInfo*>::const_iterator I = PassInfoMap.find(TI);
return I != PassInfoMap.end() ? I->second : 0;
}
void RegisterPass(PassInfo &PI) {
bool Inserted =
- PassInfoMap.insert(std::make_pair(TypeInfo(PI.getTypeInfo()),&PI)).second;
+ PassInfoMap.insert(std::make_pair(PI.getTypeInfo(),&PI)).second;
assert(Inserted && "Pass registered multiple times!");
}
void UnregisterPass(PassInfo &PI) {
- std::map<TypeInfo, PassInfo*>::iterator I =
+ std::map<intptr_t, PassInfo*>::iterator I =
PassInfoMap.find(PI.getTypeInfo());
assert(I != PassInfoMap.end() && "Pass registered but not in map!");
}
void EnumerateWith(PassRegistrationListener *L) {
- for (std::map<TypeInfo, PassInfo*>::const_iterator I = PassInfoMap.begin(),
+ for (std::map<intptr_t, PassInfo*>::const_iterator I = PassInfoMap.begin(),
E = PassInfoMap.end(); I != E; ++I)
L->passEnumerate(I->second);
}
};
}
-static ManagedStatic<PassRegistrar> PassRegistrarObj;
static std::vector<PassRegistrationListener*> *Listeners = 0;
+// FIXME: This should use ManagedStatic to manage the pass registrar.
+// Unfortunately, we can't do this, because passes are registered with static
+// ctors, and having llvm_shutdown clear this map prevents successful
+// ressurection after llvm_shutdown is run.
+static PassRegistrar *getPassRegistrar() {
+ static PassRegistrar *PassRegistrarObj = 0;
+ if (!PassRegistrarObj)
+ PassRegistrarObj = new PassRegistrar();
+ return PassRegistrarObj;
+}
+
// getPassInfo - Return the PassInfo data structure that corresponds to this
// pass...
const PassInfo *Pass::getPassInfo() const {
- if (PassInfoCache) return PassInfoCache;
- return lookupPassInfo(typeid(*this));
+ return lookupPassInfo(PassID);
}
-const PassInfo *Pass::lookupPassInfo(const std::type_info &TI) {
- return PassRegistrarObj->GetPassInfo(TI);
+const PassInfo *Pass::lookupPassInfo(intptr_t TI) {
+ return getPassRegistrar()->GetPassInfo(TI);
}
void RegisterPassBase::registerPass() {
- PassRegistrarObj->RegisterPass(PIObj);
+ getPassRegistrar()->RegisterPass(PIObj);
// Notify any listeners.
if (Listeners)
}
void RegisterPassBase::unregisterPass() {
- PassRegistrarObj->UnregisterPass(PIObj);
+ getPassRegistrar()->UnregisterPass(PIObj);
}
//===----------------------------------------------------------------------===//
// RegisterAGBase implementation
//
-RegisterAGBase::RegisterAGBase(const std::type_info &Interface,
- const std::type_info *Pass, bool isDefault)
- : RegisterPassBase(Interface),
+RegisterAGBase::RegisterAGBase(intptr_t InterfaceID,
+ intptr_t PassID, bool isDefault)
+ : RegisterPassBase(InterfaceID),
ImplementationInfo(0), isDefaultImplementation(isDefault) {
- InterfaceInfo = const_cast<PassInfo*>(Pass::lookupPassInfo(Interface));
+ InterfaceInfo = const_cast<PassInfo*>(Pass::lookupPassInfo(InterfaceID));
if (InterfaceInfo == 0) {
// First reference to Interface, register it now.
registerPass();
assert(PIObj.isAnalysisGroup() &&
"Trying to join an analysis group that is a normal pass!");
- if (Pass) {
- ImplementationInfo = Pass::lookupPassInfo(*Pass);
+ if (PassID) {
+ ImplementationInfo = Pass::lookupPassInfo(PassID);
assert(ImplementationInfo &&
"Must register pass before adding to AnalysisGroup!");
PassInfo *IIPI = const_cast<PassInfo*>(ImplementationInfo);
IIPI->addInterfaceImplemented(InterfaceInfo);
- PassRegistrarObj->RegisterAnalysisGroup(InterfaceInfo, IIPI, isDefault);
+ getPassRegistrar()->RegisterAnalysisGroup(InterfaceInfo, IIPI, isDefault);
}
}
// passEnumerate callback on each PassInfo object.
//
void PassRegistrationListener::enumeratePasses() {
- PassRegistrarObj->EnumerateWith(this);
+ getPassRegistrar()->EnumerateWith(this);
}
//===----------------------------------------------------------------------===//
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