//===----------------------------------------------------------------------===//
+#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/IR/LegacyPassManagers.h"
+#include "llvm/IR/LegacyPassNameParser.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/Mutex.h"
-#include "llvm/Support/PassNameParser.h"
+#include "llvm/Support/TimeValue.h"
#include "llvm/Support/Timer.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
void PassManagerPrettyStackEntry::print(raw_ostream &OS) const {
- if (V == 0 && M == 0)
+ if (!V && !M)
OS << "Releasing pass '";
else
OS << "Running pass '";
OS << " on module '" << M->getModuleIdentifier() << "'.\n";
return;
}
- if (V == 0) {
+ if (!V) {
OS << '\n';
return;
}
/// Execute all of the passes scheduled for execution. Keep track of
/// whether any of the passes modifies the function, and if so, return true.
- bool runOnFunction(Function &F);
+ bool runOnFunction(Function &F) override;
/// Pass Manager itself does not invalidate any analysis info.
- void getAnalysisUsage(AnalysisUsage &Info) const {
+ void getAnalysisUsage(AnalysisUsage &Info) const override {
Info.setPreservesAll();
}
- bool doInitialization(Module &M);
+ bool doInitialization(Module &M) override;
bool doInitialization(Function &F);
- bool doFinalization(Module &M);
+ bool doFinalization(Module &M) override;
bool doFinalization(Function &F);
- virtual PMDataManager *getAsPMDataManager() { return this; }
- virtual Pass *getAsPass() { return this; }
+ PMDataManager *getAsPMDataManager() override { return this; }
+ Pass *getAsPass() override { return this; }
- virtual const char *getPassName() const {
+ const char *getPassName() const override {
return "BasicBlock Pass Manager";
}
// Print passes managed by this manager
- void dumpPassStructure(unsigned Offset) {
- llvm::dbgs().indent(Offset*2) << "BasicBlockPass Manager\n";
+ void dumpPassStructure(unsigned Offset) override {
+ dbgs().indent(Offset*2) << "BasicBlockPass Manager\n";
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
BasicBlockPass *BP = getContainedPass(Index);
BP->dumpPassStructure(Offset + 1);
return BP;
}
- virtual PassManagerType getPassManagerType() const {
+ PassManagerType getPassManagerType() const override {
return PMT_BasicBlockPassManager;
}
};
Pass(PT_PassManager, ID), PMDataManager(),
PMTopLevelManager(new FPPassManager()), wasRun(false) {}
- /// add - Add a pass to the queue of passes to run. This passes ownership of
- /// the Pass to the PassManager. When the PassManager is destroyed, the pass
- /// will be destroyed as well, so there is no need to delete the pass. This
- /// implies that all passes MUST be allocated with 'new'.
+ /// \copydoc FunctionPassManager::add()
void add(Pass *P) {
schedulePass(P);
}
/// createPrinterPass - Get a function printer pass.
- Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const {
- return createPrintFunctionPass(Banner, &O);
+ Pass *createPrinterPass(raw_ostream &O,
+ const std::string &Banner) const override {
+ return createPrintFunctionPass(O, Banner);
}
// Prepare for running an on the fly pass, freeing memory if needed
/// doInitialization - Run all of the initializers for the function passes.
///
- bool doInitialization(Module &M);
+ bool doInitialization(Module &M) override;
/// doFinalization - Run all of the finalizers for the function passes.
///
- bool doFinalization(Module &M);
+ bool doFinalization(Module &M) override;
- virtual PMDataManager *getAsPMDataManager() { return this; }
- virtual Pass *getAsPass() { return this; }
- virtual PassManagerType getTopLevelPassManagerType() {
+ PMDataManager *getAsPMDataManager() override { return this; }
+ Pass *getAsPass() override { return this; }
+ PassManagerType getTopLevelPassManagerType() override {
return PMT_FunctionPassManager;
}
/// Pass Manager itself does not invalidate any analysis info.
- void getAnalysisUsage(AnalysisUsage &Info) const {
+ void getAnalysisUsage(AnalysisUsage &Info) const override {
Info.setPreservesAll();
}
}
/// createPrinterPass - Get a module printer pass.
- Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const {
- return createPrintModulePass(&O, false, Banner);
+ Pass *createPrinterPass(raw_ostream &O,
+ const std::string &Banner) const override {
+ return createPrintModulePass(O, Banner);
}
/// run - Execute all of the passes scheduled for execution. Keep track of
bool doFinalization();
/// Pass Manager itself does not invalidate any analysis info.
- void getAnalysisUsage(AnalysisUsage &Info) const {
+ void getAnalysisUsage(AnalysisUsage &Info) const override {
Info.setPreservesAll();
}
/// Add RequiredPass into list of lower level passes required by pass P.
/// RequiredPass is run on the fly by Pass Manager when P requests it
/// through getAnalysis interface.
- virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass);
+ void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) override;
/// Return function pass corresponding to PassInfo PI, that is
/// required by module pass MP. Instantiate analysis pass, by using
/// its runOnFunction() for function F.
- virtual Pass* getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F);
+ Pass* getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F) override;
- virtual const char *getPassName() const {
+ const char *getPassName() const override {
return "Module Pass Manager";
}
- virtual PMDataManager *getAsPMDataManager() { return this; }
- virtual Pass *getAsPass() { return this; }
+ PMDataManager *getAsPMDataManager() override { return this; }
+ Pass *getAsPass() override { return this; }
// Print passes managed by this manager
- void dumpPassStructure(unsigned Offset) {
- llvm::dbgs().indent(Offset*2) << "ModulePass Manager\n";
+ void dumpPassStructure(unsigned Offset) override {
+ dbgs().indent(Offset*2) << "ModulePass Manager\n";
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
ModulePass *MP = getContainedPass(Index);
MP->dumpPassStructure(Offset + 1);
return static_cast<ModulePass *>(PassVector[N]);
}
- virtual PassManagerType getPassManagerType() const {
+ PassManagerType getPassManagerType() const override {
return PMT_ModulePassManager;
}
Pass(PT_PassManager, ID), PMDataManager(),
PMTopLevelManager(new MPPassManager()) {}
- /// add - Add a pass to the queue of passes to run. This passes ownership of
- /// the Pass to the PassManager. When the PassManager is destroyed, the pass
- /// will be destroyed as well, so there is no need to delete the pass. This
- /// implies that all passes MUST be allocated with 'new'.
+ /// \copydoc PassManager::add()
void add(Pass *P) {
schedulePass(P);
}
/// createPrinterPass - Get a module printer pass.
- Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const {
- return createPrintModulePass(&O, false, Banner);
+ Pass *createPrinterPass(raw_ostream &O,
+ const std::string &Banner) const override {
+ return createPrintModulePass(O, Banner);
}
/// run - Execute all of the passes scheduled for execution. Keep track of
bool doFinalization();
/// Pass Manager itself does not invalidate any analysis info.
- void getAnalysisUsage(AnalysisUsage &Info) const {
+ void getAnalysisUsage(AnalysisUsage &Info) const override {
Info.setPreservesAll();
}
- virtual PMDataManager *getAsPMDataManager() { return this; }
- virtual Pass *getAsPass() { return this; }
- virtual PassManagerType getTopLevelPassManagerType() {
+ PMDataManager *getAsPMDataManager() override { return this; }
+ Pass *getAsPass() override { return this; }
+ PassManagerType getTopLevelPassManagerType() override {
return PMT_ModulePassManager;
}
/// getPassTimer - Return the timer for the specified pass if it exists.
Timer *getPassTimer(Pass *P) {
if (P->getAsPMDataManager())
- return 0;
+ return nullptr;
sys::SmartScopedLock<true> Lock(*TimingInfoMutex);
Timer *&T = TimingData[P];
- if (T == 0)
+ if (!T)
T = new Timer(P->getPassName(), TG);
return T;
}
return;
SmallPtrSet<Pass *, 8> &LU = DMI->second;
- for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(),
- E = LU.end(); I != E; ++I) {
- LastUses.push_back(*I);
+ for (Pass *LUP : LU) {
+ LastUses.push_back(LUP);
}
}
AnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) {
- AnalysisUsage *AnUsage = NULL;
+ AnalysisUsage *AnUsage = nullptr;
DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P);
if (DMI != AnUsageMap.end())
AnUsage = DMI->second;
// If P is an analysis pass and it is available then do not
// generate the analysis again. Stale analysis info should not be
// available at this point.
- const PassInfo *PI =
- PassRegistry::getPassRegistry()->getPassInfo(P->getPassID());
+ const PassInfo *PI = findAnalysisPassInfo(P->getPassID());
if (PI && PI->isAnalysis() && findAnalysisPass(P->getPassID())) {
delete P;
return;
Pass *AnalysisPass = findAnalysisPass(*I);
if (!AnalysisPass) {
- const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I);
+ const PassInfo *PI = findAnalysisPassInfo(*I);
- if (PI == NULL) {
+ if (!PI) {
// Pass P is not in the global PassRegistry
dbgs() << "Pass '" << P->getPassName() << "' is not initialized." << "\n";
dbgs() << "Verify if there is a pass dependency cycle." << "\n";
return *I;
// If Pass not found then check the interfaces implemented by Immutable Pass
- const PassInfo *PassInf =
- PassRegistry::getPassRegistry()->getPassInfo(PI);
+ const PassInfo *PassInf = findAnalysisPassInfo(PI);
assert(PassInf && "Expected all immutable passes to be initialized");
const std::vector<const PassInfo*> &ImmPI =
PassInf->getInterfacesImplemented();
}
}
- return 0;
+ return nullptr;
+}
+
+const PassInfo *PMTopLevelManager::findAnalysisPassInfo(AnalysisID AID) const {
+ const PassInfo *&PI = AnalysisPassInfos[AID];
+ if (!PI)
+ PI = PassRegistry::getPassRegistry()->getPassInfo(AID);
+ else
+ assert(PI == PassRegistry::getPassRegistry()->getPassInfo(AID) &&
+ "The pass info pointer changed for an analysis ID!");
+
+ return PI;
}
// Print passes managed by this top level manager.
dbgs() << "Pass Arguments: ";
for (SmallVectorImpl<ImmutablePass *>::const_iterator I =
ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I)
- if (const PassInfo *PI =
- PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID())) {
+ if (const PassInfo *PI = findAnalysisPassInfo((*I)->getPassID())) {
assert(PI && "Expected all immutable passes to be initialized");
if (!PI->isAnalysisGroup())
dbgs() << " -" << PI->getPassArgument();
// This pass is the current implementation of all of the interfaces it
// implements as well.
- const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI);
- if (PInf == 0) return;
+ const PassInfo *PInf = TPM->findAnalysisPassInfo(PI);
+ if (!PInf) return;
const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented();
for (unsigned i = 0, e = II.size(); i != e; ++i)
AvailableAnalysis[II[i]->getTypeInfo()] = P;
for (SmallVectorImpl<Pass *>::iterator I = HigherLevelAnalysis.begin(),
E = HigherLevelAnalysis.end(); I != E; ++I) {
Pass *P1 = *I;
- if (P1->getAsImmutablePass() == 0 &&
+ if (P1->getAsImmutablePass() == nullptr &&
std::find(PreservedSet.begin(), PreservedSet.end(),
P1->getPassID()) ==
PreservedSet.end())
for (DenseMap<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(),
E = AvailableAnalysis.end(); I != E; ) {
DenseMap<AnalysisID, Pass*>::iterator Info = I++;
- if (Info->second->getAsImmutablePass() == 0 &&
+ if (Info->second->getAsImmutablePass() == nullptr &&
std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) ==
PreservedSet.end()) {
// Remove this analysis
I = InheritedAnalysis[Index]->begin(),
E = InheritedAnalysis[Index]->end(); I != E; ) {
DenseMap<AnalysisID, Pass *>::iterator Info = I++;
- if (Info->second->getAsImmutablePass() == 0 &&
+ if (Info->second->getAsImmutablePass() == nullptr &&
std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) ==
PreservedSet.end()) {
// Remove this analysis
}
AnalysisID PI = P->getPassID();
- if (const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI)) {
+ if (const PassInfo *PInf = TPM->findAnalysisPassInfo(PI)) {
// Remove the pass itself (if it is not already removed).
AvailableAnalysis.erase(PI);
// Set P as P's last user until someone starts using P.
// However, if P is a Pass Manager then it does not need
// to record its last user.
- if (P->getAsPMDataManager() == 0)
+ if (!P->getAsPMDataManager())
LastUses.push_back(P);
TPM->setLastUser(LastUses, P);
for (SmallVectorImpl<AnalysisID>::iterator
I = ReqAnalysisNotAvailable.begin(),
E = ReqAnalysisNotAvailable.end() ;I != E; ++I) {
- const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I);
+ const PassInfo *PI = TPM->findAnalysisPassInfo(*I);
Pass *AnalysisPass = PI->createPass();
this->addLowerLevelRequiredPass(P, AnalysisPass);
}
I = AnUsage->getRequiredSet().begin(),
E = AnUsage->getRequiredSet().end(); I != E; ++I) {
Pass *Impl = findAnalysisPass(*I, true);
- if (Impl == 0)
+ if (!Impl)
// This may be analysis pass that is initialized on the fly.
// If that is not the case then it will raise an assert when it is used.
continue;
if (SearchParent)
return TPM->findAnalysisPass(AID);
- return NULL;
+ return nullptr;
}
// Print list of passes that are last used by P.
for (SmallVectorImpl<Pass *>::iterator I = LUses.begin(),
E = LUses.end(); I != E; ++I) {
- llvm::dbgs() << "--" << std::string(Offset*2, ' ');
+ dbgs() << "--" << std::string(Offset*2, ' ');
(*I)->dumpPassStructure(0);
}
}
PMD->dumpPassArguments();
else
if (const PassInfo *PI =
- PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID()))
+ TPM->findAnalysisPassInfo((*I)->getPassID()))
if (!PI->isAnalysisGroup())
dbgs() << " -" << PI->getPassArgument();
}
StringRef Msg) {
if (PassDebugging < Executions)
return;
- dbgs() << (void*)this << std::string(getDepth()*2+1, ' ');
+ dbgs() << "[" << sys::TimeValue::now().str() << "] " << (void *)this
+ << std::string(getDepth() * 2 + 1, ' ');
switch (S1) {
case EXECUTION_MSG:
dbgs() << "Executing Pass '" << P->getPassName();
dbgs() << (const void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:";
for (unsigned i = 0; i != Set.size(); ++i) {
if (i) dbgs() << ',';
- const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(Set[i]);
+ const PassInfo *PInf = TPM->findAnalysisPassInfo(Set[i]);
if (!PInf) {
// Some preserved passes, such as AliasAnalysis, may not be initialized by
// all drivers.
delete FPM;
}
-/// add - Add a pass to the queue of passes to run. This passes
-/// ownership of the Pass to the PassManager. When the
-/// PassManager_X is destroyed, the pass will be destroyed as well, so
-/// there is no need to delete the pass. (TODO delete passes.)
-/// This implies that all passes MUST be allocated with 'new'.
void FunctionPassManager::add(Pass *P) {
FPM->add(P);
}
/// so, return true.
///
bool FunctionPassManager::run(Function &F) {
- if (F.isMaterializable()) {
- std::string errstr;
- if (F.Materialize(&errstr))
- report_fatal_error("Error reading bitcode file: " + Twine(errstr));
- }
+ if (std::error_code EC = F.materialize())
+ report_fatal_error("Error reading bitcode file: " + EC.message());
return FPM->run(F);
}
TimingInfo::createTheTimeInfo();
initializeAllAnalysisInfo();
- for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index)
+ for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) {
Changed |= getContainedManager(Index)->runOnFunction(F);
+ F.getContext().yield();
+ }
for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index)
getContainedManager(Index)->cleanup();
assert((P->getPotentialPassManagerType() <
RequiredPass->getPotentialPassManagerType()) &&
"Unable to handle Pass that requires lower level Analysis pass");
+ if (!RequiredPass)
+ return;
FunctionPassManagerImpl *FPP = OnTheFlyManagers[P];
if (!FPP) {
OnTheFlyManagers[P] = FPP;
}
- FPP->add(RequiredPass);
+ const PassInfo *RequiredPassPI =
+ TPM->findAnalysisPassInfo(RequiredPass->getPassID());
- // Register P as the last user of RequiredPass.
- if (RequiredPass) {
- SmallVector<Pass *, 1> LU;
- LU.push_back(RequiredPass);
- FPP->setLastUser(LU, P);
+ Pass *FoundPass = nullptr;
+ if (RequiredPassPI && RequiredPassPI->isAnalysis()) {
+ FoundPass =
+ ((PMTopLevelManager*)FPP)->findAnalysisPass(RequiredPass->getPassID());
+ }
+ if (!FoundPass) {
+ FoundPass = RequiredPass;
+ // This should be guaranteed to add RequiredPass to the passmanager given
+ // that we checked for an available analysis above.
+ FPP->add(RequiredPass);
}
+ // Register P as the last user of FoundPass or RequiredPass.
+ SmallVector<Pass *, 1> LU;
+ LU.push_back(FoundPass);
+ FPP->setLastUser(LU, P);
}
/// Return function pass corresponding to PassInfo PI, that is
}
initializeAllAnalysisInfo();
- for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index)
+ for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) {
Changed |= getContainedManager(Index)->runOnModule(M);
+ M.getContext().yield();
+ }
for (SmallVectorImpl<ImmutablePass *>::const_iterator I = IPV.begin(),
E = IPV.end(); I != E; ++I) {
delete PM;
}
-/// add - Add a pass to the queue of passes to run. This passes ownership of
-/// the Pass to the PassManager. When the PassManager is destroyed, the pass
-/// will be destroyed as well, so there is no need to delete the pass. This
-/// implies that all passes MUST be allocated with 'new'.
void PassManager::add(Pass *P) {
PM->add(P);
}
Timer *llvm::getPassTimer(Pass *P) {
if (TheTimeInfo)
return TheTimeInfo->getPassTimer(P);
- return 0;
+ return nullptr;
}
//===----------------------------------------------------------------------===//