//
//===----------------------------------------------------------------------===//
//
-// This file implements the LLVM Pass Manager infrastructure.
+// This file implements the LLVM Pass Manager infrastructure.
//
//===----------------------------------------------------------------------===//
}
return false;
}
-
+
/// This is a utility to check whether a pass should have IR dumped
/// before it.
OS << "Releasing pass '";
else
OS << "Running pass '";
-
+
OS << P->getPassName() << "'";
-
+
if (M) {
OS << " on module '" << M->getModuleIdentifier() << "'.\n";
return;
public:
static char ID;
- explicit BBPassManager(int Depth)
+ explicit BBPassManager(int Depth)
: PMDataManager(Depth), FunctionPass(ID) {}
/// Execute all of the passes scheduled for execution. Keep track of
return BP;
}
- virtual PassManagerType getPassManagerType() const {
- return PMT_BasicBlockPassManager;
+ virtual PassManagerType getPassManagerType() const {
+ return PMT_BasicBlockPassManager;
}
};
bool wasRun;
public:
static char ID;
- explicit FunctionPassManagerImpl(int Depth) :
- Pass(PT_PassManager, ID), PMDataManager(Depth),
+ explicit FunctionPassManagerImpl(int Depth) :
+ Pass(PT_PassManager, ID), PMDataManager(Depth),
PMTopLevelManager(TLM_Function), wasRun(false) { }
/// add - Add a pass to the queue of passes to run. This passes ownership of
void add(Pass *P) {
schedulePass(P);
}
-
- /// createPrinterPass - Get a function printer pass.
+
+ /// createPrinterPass - Get a function printer pass.
Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const {
return createPrintFunctionPass(Banner, &O);
}
/// doInitialization - Run all of the initializers for the function passes.
///
bool doInitialization(Module &M);
-
+
/// doFinalization - Run all of the finalizers for the function passes.
///
bool doFinalization(Module &M);
-
+
virtual PMDataManager *getAsPMDataManager() { return this; }
virtual Pass *getAsPass() { return this; }
};
char FunctionPassManagerImpl::ID = 0;
+
//===----------------------------------------------------------------------===//
// MPPassManager
//
// Delete on the fly managers.
virtual ~MPPassManager() {
- for (std::map<Pass *, FunctionPassManagerImpl *>::iterator
+ for (std::map<Pass *, FunctionPassManagerImpl *>::iterator
I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end();
I != E; ++I) {
FunctionPassManagerImpl *FPP = I->second;
}
}
- /// createPrinterPass - Get a module printer pass.
+ /// createPrinterPass - Get a module printer pass.
Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const {
return createPrintModulePass(&O, false, Banner);
}
/// through getAnalysis interface.
virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass);
- /// Return function pass corresponding to PassInfo PI, that is
+ /// 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);
return static_cast<ModulePass *>(PassVector[N]);
}
- virtual PassManagerType getPassManagerType() const {
- return PMT_ModulePassManager;
+ virtual PassManagerType getPassManagerType() const {
+ return PMT_ModulePassManager;
}
private:
static char ID;
explicit PassManagerImpl(int Depth) :
Pass(PT_PassManager, ID), PMDataManager(Depth),
- PMTopLevelManager(TLM_Pass) { }
+ PMTopLevelManager(TLM_Pass) { }
/// 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
void add(Pass *P) {
schedulePass(P);
}
-
- /// createPrinterPass - Get a module printer pass.
+
+ /// createPrinterPass - Get a module printer pass.
Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const {
return createPrintModulePass(&O, false, Banner);
}
public:
// Use 'create' member to get this.
TimingInfo() : TG("... Pass execution timing report ...") {}
-
+
// TimingDtor - Print out information about timing information
~TimingInfo() {
// Delete all of the timers, which accumulate their info into the
/// getPassTimer - Return the timer for the specified pass if it exists.
Timer *getPassTimer(Pass *P) {
- if (P->getAsPMDataManager())
+ if (P->getAsPMDataManager())
return 0;
sys::SmartScopedLock<true> Lock(*TimingInfoMutex);
FPP->setTopLevelManager(this);
addPassManager(FPP);
activeStack.push(FPP);
- }
+ }
}
/// Set pass P as the last user of the given analysis passes.
-void PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses,
+void PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses,
Pass *P) {
for (SmallVector<Pass *, 12>::iterator I = AnalysisPasses.begin(),
E = AnalysisPasses.end(); I != E; ++I) {
Pass *AP = *I;
LastUser[AP] = P;
-
+
if (P == AP)
continue;
/// Collect passes whose last user is P
void PMTopLevelManager::collectLastUses(SmallVector<Pass *, 12> &LastUses,
Pass *P) {
- DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI =
+ DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI =
InversedLastUser.find(P);
if (DMI == InversedLastUser.end())
return;
AnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) {
AnalysisUsage *AnUsage = NULL;
DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P);
- if (DMI != AnUsageMap.end())
+ if (DMI != AnUsageMap.end())
AnUsage = DMI->second;
else {
AnUsage = new AnalysisUsage();
bool checkAnalysis = true;
while (checkAnalysis) {
checkAnalysis = false;
-
+
const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet();
for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(),
E = RequiredSet.end(); I != E; ++I) {
-
+
Pass *AnalysisPass = findAnalysisPass(*I);
if (!AnalysisPass) {
const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I);
checkAnalysis = true;
}
else
- // Do not schedule this analysis. Lower level analsyis
+ // Do not schedule this analysis. Lower level analsyis
// passes are run on the fly.
delete AnalysisPass;
}
for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) {
ImmutablePasses[i]->dumpPassStructure(0);
}
-
+
// Every class that derives from PMDataManager also derives from Pass
// (sometimes indirectly), but there's no inheritance relationship
// between PMDataManager and Pass, so we have to getAsPass to get
for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(),
E = PassManagers.end(); I != E; ++I)
(*I)->initializeAnalysisInfo();
-
+
// Initailize other pass managers
- for (SmallVector<PMDataManager *, 8>::iterator I = IndirectPassManagers.begin(),
- E = IndirectPassManagers.end(); I != E; ++I)
+ for (SmallVector<PMDataManager *, 8>::iterator
+ I = IndirectPassManagers.begin(), E = IndirectPassManagers.end();
+ I != E; ++I)
(*I)->initializeAnalysisInfo();
for (DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(),
DME = LastUser.end(); DMI != DME; ++DMI) {
- DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI =
+ DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI =
InversedLastUser.find(DMI->second);
if (InvDMI != InversedLastUser.end()) {
SmallPtrSet<Pass *, 8> &L = InvDMI->second;
for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(),
E = PassManagers.end(); I != E; ++I)
delete *I;
-
+
for (SmallVector<ImmutablePass *, 8>::iterator
I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I)
delete *I;
/// Augement AvailableAnalysis by adding analysis made available by pass P.
void PMDataManager::recordAvailableAnalysis(Pass *P) {
AnalysisID PI = P->getPassID();
-
+
AvailableAnalysis[PI] = P;
-
+
assert(!AvailableAnalysis.empty());
- //This pass is the current implementation of all of the interfaces it
- //implements as well.
+ // 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 std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented();
AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P);
if (AnUsage->getPreservesAll())
return true;
-
+
const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet();
for (SmallVector<Pass *, 8>::iterator I = HigherLevelAnalysis.begin(),
E = HigherLevelAnalysis.end(); I != E; ++I) {
Pass *P1 = *I;
if (P1->getAsImmutablePass() == 0 &&
std::find(PreservedSet.begin(), PreservedSet.end(),
- P1->getPassID()) ==
+ P1->getPassID()) ==
PreservedSet.end())
return false;
}
-
+
return true;
}
E = AvailableAnalysis.end(); I != E; ) {
std::map<AnalysisID, Pass*>::iterator Info = I++;
if (Info->second->getAsImmutablePass() == 0 &&
- std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) ==
+ std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) ==
PreservedSet.end()) {
// Remove this analysis
if (PassDebugging >= Details) {
AvailableAnalysis.erase(Info);
}
}
-
+
// Check inherited analysis also. If P is not preserving analysis
// provided by parent manager then remove it here.
for (unsigned Index = 0; Index < PMT_Last; ++Index) {
if (!InheritedAnalysis[Index])
continue;
- for (std::map<AnalysisID, Pass*>::iterator
+ for (std::map<AnalysisID, Pass*>::iterator
I = InheritedAnalysis[Index]->begin(),
E = InheritedAnalysis[Index]->end(); I != E; ) {
std::map<AnalysisID, Pass *>::iterator Info = I++;
if (Info->second->getAsImmutablePass() == 0 &&
- std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) ==
+ std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) ==
PreservedSet.end()) {
// Remove this analysis
if (PassDebugging >= Details) {
}
}
-/// Add pass P into the PassVector. Update
+/// Add pass P into the PassVector. Update
/// AvailableAnalysis appropriately if ProcessAnalysis is true.
void PMDataManager::add(Pass *P, bool ProcessAnalysis) {
// This manager is going to manage pass P. Set up analysis resolver
unsigned PDepth = this->getDepth();
- collectRequiredAnalysis(RequiredPasses,
+ collectRequiredAnalysis(RequiredPasses,
ReqAnalysisNotAvailable, P);
for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(),
E = RequiredPasses.end(); I != E; ++I) {
TransferLastUses.push_back(PRequired);
// Keep track of higher level analysis used by this manager.
HigherLevelAnalysis.push_back(PRequired);
- } else
+ } else
llvm_unreachable("Unable to accomodate Required Pass");
}
}
// Now, take care of required analysises that are not available.
- for (SmallVector<AnalysisID, 8>::iterator
- I = ReqAnalysisNotAvailable.begin(),
+ for (SmallVector<AnalysisID, 8>::iterator
+ I = ReqAnalysisNotAvailable.begin(),
E = ReqAnalysisNotAvailable.end() ;I != E; ++I) {
const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I);
Pass *AnalysisPass = PI->createPass();
Pass *P) {
AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P);
const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet();
- for (AnalysisUsage::VectorType::const_iterator
+ for (AnalysisUsage::VectorType::const_iterator
I = RequiredSet.begin(), E = RequiredSet.end(); I != E; ++I) {
if (Pass *AnalysisPass = findAnalysisPass(*I, true))
- RP.push_back(AnalysisPass);
+ RP.push_back(AnalysisPass);
else
RP_NotAvail.push_back(*I);
}
for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(),
E = IDs.end(); I != E; ++I) {
if (Pass *AnalysisPass = findAnalysisPass(*I, true))
- RP.push_back(AnalysisPass);
+ RP.push_back(AnalysisPass);
else
RP_NotAvail.push_back(*I);
}
// Search Parents through TopLevelManager
if (SearchParent)
return TPM->findAnalysisPass(AID);
-
+
return NULL;
}
return;
TPM->collectLastUses(LUses, P);
-
+
for (SmallVector<Pass *, 12>::iterator I = LUses.begin(),
E = LUses.end(); I != E; ++I) {
llvm::dbgs() << "--" << std::string(Offset*2, ' ');
void PMDataManager::dumpRequiredSet(const Pass *P) const {
if (PassDebugging < Details)
return;
-
+
AnalysisUsage analysisUsage;
P->getAnalysisUsage(analysisUsage);
dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet());
void PMDataManager::dumpPreservedSet(const Pass *P) const {
if (PassDebugging < Details)
return;
-
+
AnalysisUsage analysisUsage;
P->getAnalysisUsage(analysisUsage);
dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet());
TPM->dumpPasses();
}
- // Module Level pass may required Function Level analysis info
- // (e.g. dominator info). Pass manager uses on the fly function pass manager
- // to provide this on demand. In that case, in Pass manager terminology,
+ // Module Level pass may required Function Level analysis info
+ // (e.g. dominator info). Pass manager uses on the fly function pass manager
+ // to provide this on demand. In that case, in Pass manager terminology,
// module level pass is requiring lower level analysis info managed by
// lower level pass manager.
// When Pass manager is not able to order required analysis info, Pass manager
- // checks whether any lower level manager will be able to provide this
+ // checks whether any lower level manager will be able to provide this
// analysis info on demand or not.
#ifndef NDEBUG
dbgs() << "Unable to schedule '" << RequiredPass->getPassName();
return PM.findAnalysisPass(ID, dir);
}
-Pass *AnalysisResolver::findImplPass(Pass *P, AnalysisID AnalysisPI,
+Pass *AnalysisResolver::findImplPass(Pass *P, AnalysisID AnalysisPI,
Function &F) {
return PM.getOnTheFlyPass(P, AnalysisPI, F);
}
//===----------------------------------------------------------------------===//
// BBPassManager implementation
-/// Execute all of the passes scheduled for execution by invoking
-/// runOnBasicBlock method. Keep track of whether any of the passes modifies
+/// Execute all of the passes scheduled for execution by invoking
+/// runOnBasicBlock method. Keep track of whether any of the passes modifies
/// the function, and if so, return true.
bool BBPassManager::runOnFunction(Function &F) {
if (F.isDeclaration())
}
Changed |= LocalChanged;
- if (LocalChanged)
+ if (LocalChanged)
dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG,
I->getName());
dumpPreservedSet(BP);
/// 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) {
+void FunctionPassManager::add(Pass *P) {
// If this is a not a function pass, don't add a printer for it.
const void *PassID = P->getPassID();
if (P->getPassKind() == PT_Function)
}
-/// Execute all of the passes scheduled for execution by invoking
-/// runOnFunction method. Keep track of whether any of the passes modifies
+/// Execute all of the passes scheduled for execution by invoking
+/// runOnFunction method. Keep track of whether any of the passes modifies
/// the function, and if so, return true.
bool FPPassManager::runOnFunction(Function &F) {
if (F.isDeclaration())
//===----------------------------------------------------------------------===//
// MPPassManager implementation
-/// Execute all of the passes scheduled for execution by invoking
-/// runOnModule method. Keep track of whether any of the passes modifies
+/// Execute all of the passes scheduled for execution by invoking
+/// runOnModule method. Keep track of whether any of the passes modifies
/// the module, and if so, return true.
bool
MPPassManager::runOnModule(Module &M) {
dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG,
M.getModuleIdentifier());
dumpPreservedSet(MP);
-
+
verifyPreservedAnalysis(MP);
removeNotPreservedAnalysis(MP);
recordAvailableAnalysis(MP);
void MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) {
assert(P->getPotentialPassManagerType() == PMT_ModulePassManager &&
"Unable to handle Pass that requires lower level Analysis pass");
- assert((P->getPotentialPassManagerType() <
+ assert((P->getPotentialPassManagerType() <
RequiredPass->getPotentialPassManagerType()) &&
"Unable to handle Pass that requires lower level Analysis pass");
FPP->setLastUser(LU, P);
}
-/// Return function pass corresponding to PassInfo PI, that is
+/// Return function pass corresponding to PassInfo PI, that is
/// required by module pass MP. Instantiate analysis pass, by using
/// its runOnFunction() for function F.
Pass* MPPassManager::getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F){
FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP];
assert(FPP && "Unable to find on the fly pass");
-
+
FPP->releaseMemoryOnTheFly();
FPP->run(F);
return ((PMTopLevelManager*)FPP)->findAnalysisPass(PI);
/// If TimingInfo is enabled then start pass timer.
Timer *llvm::getPassTimer(Pass *P) {
- if (TheTimeInfo)
+ if (TheTimeInfo)
return TheTimeInfo->getPassTimer(P);
return 0;
}
}
/// Find appropriate Module Pass Manager in the PM Stack and
-/// add self into that manager.
-void ModulePass::assignPassManager(PMStack &PMS,
+/// add self into that manager.
+void ModulePass::assignPassManager(PMStack &PMS,
PassManagerType PreferredType) {
// Find Module Pass Manager
- while(!PMS.empty()) {
+ while (!PMS.empty()) {
PassManagerType TopPMType = PMS.top()->getPassManagerType();
if (TopPMType == PreferredType)
break; // We found desired pass manager
}
/// Find appropriate Function Pass Manager or Call Graph Pass Manager
-/// in the PM Stack and add self into that manager.
+/// in the PM Stack and add self into that manager.
void FunctionPass::assignPassManager(PMStack &PMS,
PassManagerType PreferredType) {
if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager)
PMS.pop();
else
- break;
+ break;
}
// Create new Function Pass Manager if needed.
}
/// Find appropriate Basic Pass Manager or Call Graph Pass Manager
-/// in the PM Stack and add self into that manager.
+/// in the PM Stack and add self into that manager.
void BasicBlockPass::assignPassManager(PMStack &PMS,
PassManagerType PreferredType) {
BBPassManager *BBP;
// Basic Pass Manager is a leaf pass manager. It does not handle
// any other pass manager.
- if (!PMS.empty() &&
+ if (!PMS.empty() &&
PMS.top()->getPassManagerType() == PMT_BasicBlockPassManager) {
BBP = (BBPassManager *)PMS.top();
} else {
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