// run - Run all of the queued passes on the specified module in an optimal
// way.
virtual bool runOnUnit(UnitType *M) {
- bool MadeChanges = false;
closeBatcher();
CurrentAnalyses.clear();
TimingInfo::createTheTimeInfo();
- // Add any immutable passes to the CurrentAnalyses set...
- for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) {
- ImmutablePass *IPass = ImmutablePasses[i];
- if (const PassInfo *PI = IPass->getPassInfo()) {
- CurrentAnalyses[PI] = IPass;
-
- const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented();
- for (unsigned i = 0, e = II.size(); i != e; ++i)
- CurrentAnalyses[II[i]] = IPass;
- }
- }
+ addImmutablePasses();
// LastUserOf - This contains the inverted LastUseOfMap...
std::map<Pass *, std::vector<Pass*> > LastUserOf;
if (Parent == 0)
PMDebug::PerformPassStartupStuff((dynamic_cast<PMType*>(this)));
- // Run all of the passes
- for (unsigned i = 0, e = Passes.size(); i < e; ++i) {
- PassClass *P = Passes[i];
-
- PMDebug::PrintPassInformation(getDepth(), "Executing Pass", P, M);
-
- // Get information about what analyses the pass uses...
- AnalysisUsage AnUsage;
- P->getAnalysisUsage(AnUsage);
- PMDebug::PrintAnalysisSetInfo(getDepth(), "Required", P,
- AnUsage.getRequiredSet());
-
- // All Required analyses should be available to the pass as it runs! Here
- // we fill in the AnalysisImpls member of the pass so that it can
- // successfully use the getAnalysis() method to retrieve the
- // implementations it needs.
- //
- P->AnalysisImpls.clear();
- P->AnalysisImpls.reserve(AnUsage.getRequiredSet().size());
- for (std::vector<const PassInfo *>::const_iterator
- I = AnUsage.getRequiredSet().begin(),
- E = AnUsage.getRequiredSet().end(); I != E; ++I) {
- Pass *Impl = getAnalysisOrNullUp(*I);
- if (Impl == 0) {
- std::cerr << "Analysis '" << (*I)->getPassName()
- << "' used but not available!";
- assert(0 && "Analysis used but not available!");
- } else if (PassDebugging == Details) {
- if ((*I)->getPassName() != std::string(Impl->getPassName()))
- std::cerr << " Interface '" << (*I)->getPassName()
- << "' implemented by '" << Impl->getPassName() << "'\n";
- }
- P->AnalysisImpls.push_back(std::make_pair(*I, Impl));
- }
-
- // Run the sub pass!
- if (TheTimeInfo) TheTimeInfo->passStarted(P);
- bool Changed = runPass(P, M);
- if (TheTimeInfo) TheTimeInfo->passEnded(P);
- MadeChanges |= Changed;
-
- // Check for memory leaks by the pass...
- LeakDetector::checkForGarbage(std::string("after running pass '") +
- P->getPassName() + "'");
-
- if (Changed)
- PMDebug::PrintPassInformation(getDepth()+1, "Made Modification", P, M);
- PMDebug::PrintAnalysisSetInfo(getDepth(), "Preserved", P,
- AnUsage.getPreservedSet());
-
-
- // Erase all analyses not in the preserved set...
- if (!AnUsage.getPreservesAll()) {
- const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet();
- for (std::map<AnalysisID, Pass*>::iterator I = CurrentAnalyses.begin(),
- E = CurrentAnalyses.end(); I != E; )
- if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) !=
- PreservedSet.end())
- ++I; // This analysis is preserved, leave it in the available set...
- else {
- if (!dynamic_cast<ImmutablePass*>(I->second)) {
- std::map<AnalysisID, Pass*>::iterator J = I++;
- CurrentAnalyses.erase(J); // Analysis not preserved!
- } else {
- ++I;
- }
- }
- }
-
- // Add the current pass to the set of passes that have been run, and are
- // thus available to users.
- //
- if (const PassInfo *PI = P->getPassInfo()) {
- CurrentAnalyses[PI] = P;
-
- // This pass is the current implementation of all of the interfaces it
- // implements as well.
- //
- const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented();
- for (unsigned i = 0, e = II.size(); i != e; ++i)
- CurrentAnalyses[II[i]] = P;
- }
-
- // Free memory for any passes that we are the last use of...
- std::vector<Pass*> &DeadPass = LastUserOf[P];
- for (std::vector<Pass*>::iterator I = DeadPass.begin(),E = DeadPass.end();
- I != E; ++I) {
- PMDebug::PrintPassInformation(getDepth()+1, "Freeing Pass", *I, M);
- (*I)->releaseMemory();
- }
-
- // Make sure to remove dead passes from the CurrentAnalyses list...
- for (std::map<AnalysisID, Pass*>::iterator I = CurrentAnalyses.begin();
- I != CurrentAnalyses.end(); ) {
- std::vector<Pass*>::iterator DPI = std::find(DeadPass.begin(),
- DeadPass.end(), I->second);
- if (DPI != DeadPass.end()) { // This pass is dead now... remove it
- std::map<AnalysisID, Pass*>::iterator IDead = I++;
- CurrentAnalyses.erase(IDead);
- } else {
- ++I; // Move on to the next element...
- }
- }
- }
-
- return MadeChanges;
+ return runPasses(M, LastUserOf);
}
// dumpPassStructure - Implement the -debug-passes=PassStructure option
// Initialize the immutable pass...
IP->initializePass();
}
+private:
+
+ // Add any immutable passes to the CurrentAnalyses set...
+ inline void addImmutablePasses() {
+ for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) {
+ ImmutablePass *IPass = ImmutablePasses[i];
+ if (const PassInfo *PI = IPass->getPassInfo()) {
+ CurrentAnalyses[PI] = IPass;
+
+ const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented();
+ for (unsigned i = 0, e = II.size(); i != e; ++i)
+ CurrentAnalyses[II[i]] = IPass;
+ }
+ }
+ }
+ // Run all of the passes
+ inline bool runPasses(UnitType *M,
+ std::map<Pass *, std::vector<Pass*> > &LastUserOf) {
+ bool MadeChanges = false;
+
+ for (unsigned i = 0, e = Passes.size(); i < e; ++i) {
+ PassClass *P = Passes[i];
+
+ PMDebug::PrintPassInformation(getDepth(), "Executing Pass", P, M);
+
+ // Get information about what analyses the pass uses...
+ AnalysisUsage AnUsage;
+ P->getAnalysisUsage(AnUsage);
+ PMDebug::PrintAnalysisSetInfo(getDepth(), "Required", P,
+ AnUsage.getRequiredSet());
+
+ initialiseAnalysisImpl(P, AnUsage);
+
+ // Run the sub pass!
+ if (TheTimeInfo) TheTimeInfo->passStarted(P);
+ bool Changed = runPass(P, M);
+ if (TheTimeInfo) TheTimeInfo->passEnded(P);
+ MadeChanges |= Changed;
+
+ // Check for memory leaks by the pass...
+ LeakDetector::checkForGarbage(std::string("after running pass '") +
+ P->getPassName() + "'");
+
+ if (Changed)
+ PMDebug::PrintPassInformation(getDepth()+1, "Made Modification", P, M);
+ PMDebug::PrintAnalysisSetInfo(getDepth(), "Preserved", P,
+ AnUsage.getPreservedSet());
+
+ // Erase all analyses not in the preserved set
+ removeNonPreservedAnalyses(AnUsage);
+
+ // Add the current pass to the set of passes that have been run, and are
+ // thus available to users.
+ //
+ if (const PassInfo *PI = P->getPassInfo()) {
+ CurrentAnalyses[PI] = P;
+
+ // This pass is the current implementation of all of the interfaces it
+ // implements as well.
+ //
+ const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented();
+ for (unsigned i = 0, e = II.size(); i != e; ++i)
+ CurrentAnalyses[II[i]] = P;
+ }
+
+ // Free memory for any passes that we are the last use of...
+ std::vector<Pass*> &DeadPass = LastUserOf[P];
+ for (std::vector<Pass*>::iterator I = DeadPass.begin(),E = DeadPass.end();
+ I != E; ++I) {
+ PMDebug::PrintPassInformation(getDepth()+1, "Freeing Pass", *I, M);
+ (*I)->releaseMemory();
+ }
+
+ // remove dead passes from the CurrentAnalyses list...
+ removeDeadPasses(DeadPass);
+ }
+
+ return MadeChanges;
+ }
+
+ // All Required analyses should be available to the pass as it runs! Here
+ // we fill in the AnalysisImpls member of the pass so that it can
+ // successfully use the getAnalysis() method to retrieve the
+ // implementations it needs.
+ //
+ inline void initialiseAnalysisImpl(PassClass *P, AnalysisUsage &AnUsage) {
+ P->AnalysisImpls.clear();
+ P->AnalysisImpls.reserve(AnUsage.getRequiredSet().size());
+
+ for (std::vector<const PassInfo *>::const_iterator
+ I = AnUsage.getRequiredSet().begin(),
+ E = AnUsage.getRequiredSet().end(); I != E; ++I) {
+ Pass *Impl = getAnalysisOrNullUp(*I);
+ if (Impl == 0) {
+ std::cerr << "Analysis '" << (*I)->getPassName()
+ << "' used but not available!";
+ assert(0 && "Analysis used but not available!");
+ } else if (PassDebugging == Details) {
+ if ((*I)->getPassName() != std::string(Impl->getPassName()))
+ std::cerr << " Interface '" << (*I)->getPassName()
+ << "' implemented by '" << Impl->getPassName() << "'\n";
+ }
+
+ P->AnalysisImpls.push_back(std::make_pair(*I, Impl));
+ }
+ }
+
+ inline void removeNonPreservedAnalyses(AnalysisUsage &AnUsage) {
+ if (!AnUsage.getPreservesAll()) {
+ const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet();
+ for (std::map<AnalysisID, Pass*>::iterator I = CurrentAnalyses.begin(),
+ E = CurrentAnalyses.end(); I != E; )
+ if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) !=
+ PreservedSet.end())
+ ++I; // This analysis is preserved, leave it in the available set...
+ else {
+ if (!dynamic_cast<ImmutablePass*>(I->second)) {
+ std::map<AnalysisID, Pass*>::iterator J = I++;
+ CurrentAnalyses.erase(J); // Analysis not preserved!
+ } else {
+ ++I;
+ }
+ }
+ }
+ }
+
+ inline void removeDeadPasses(std::vector<Pass*> &DeadPass) {
+ for (std::map<AnalysisID, Pass*>::iterator I = CurrentAnalyses.begin();
+ I != CurrentAnalyses.end(); ) {
+ std::vector<Pass*>::iterator DPI = std::find(DeadPass.begin(),
+ DeadPass.end(), I->second);
+ if (DPI != DeadPass.end()) { // This pass is dead now... remove it
+ std::map<AnalysisID, Pass*>::iterator IDead = I++;
+ CurrentAnalyses.erase(IDead);
+ } else {
+ ++I; // Move on to the next element...
+ }
+ }
+ }
};
//===----------------------------------------------------------------------===//
virtual bool runOnModule(Module &M);
// runPass - Specify how the pass should be run on the UnitType
- virtual bool runPass(MTraits::PassClass *P, Module *M) { return P->runOnModule(*M); }
-
+ virtual bool runPass(MTraits::PassClass *P, Module *M) {
+ return P->runOnModule(*M);
+ }
};
//===----------------------------------------------------------------------===//
inline bool BasicBlockPassManager::doInitialization(Module &M) {
bool Changed = false;
- for (unsigned i = 0, e = ((BBTraits::PMType*)this)->Passes.size(); i != e; ++i)
+ for (unsigned i = 0, e =((BBTraits::PMType*)this)->Passes.size(); i != e; ++i)
((BBTraits::PMType*)this)->Passes[i]->doInitialization(M);
return Changed;
}
inline bool BasicBlockPassManager::doInitialization(Function &F) {
bool Changed = false;
- for (unsigned i = 0, e = ((BBTraits::PMType*)this)->Passes.size(); i != e; ++i)
+ for (unsigned i = 0, e =((BBTraits::PMType*)this)->Passes.size(); i != e; ++i)
((BBTraits::PMType*)this)->Passes[i]->doInitialization(F);
return Changed;
}
inline bool BasicBlockPassManager::doFinalization(Function &F) {
bool Changed = false;
- for (unsigned i = 0, e = ((BBTraits::PMType*)this)->Passes.size(); i != e; ++i)
+ for (unsigned i = 0, e =((BBTraits::PMType*)this)->Passes.size(); i != e; ++i)
((BBTraits::PMType*)this)->Passes[i]->doFinalization(F);
return Changed;
}
return ((PassManagerT<MTraits>*)this)->runOnUnit(&M);
}
-
} // End llvm namespace
#endif