#include "llvm/PassManagers.h"
+#include "llvm/Assembly/PrintModulePass.h"
+#include "llvm/Assembly/Writer.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Debug.h"
#include "llvm/Support/Timer.h"
#include "llvm/Module.h"
-#include "llvm/ModuleProvider.h"
-#include "llvm/Support/Streams.h"
+#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/PassNameParser.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/System/Mutex.h"
#include "llvm/System/Threading.h"
-#include "llvm/Analysis/Dominators.h"
-#include "llvm-c/Core.h"
#include <algorithm>
#include <cstdio>
#include <map>
None, Arguments, Structure, Executions, Details
};
-// Always verify dominfo if expensive checking is enabled.
-#ifdef XDEBUG
-bool VerifyDomInfo = true;
-#else
-bool VerifyDomInfo = false;
-#endif
-static cl::opt<bool,true>
-VerifyDomInfoX("verify-dom-info", cl::location(VerifyDomInfo),
- cl::desc("Verify dominator info (time consuming)"));
-
static cl::opt<enum PassDebugLevel>
PassDebugging("debug-pass", cl::Hidden,
cl::desc("Print PassManager debugging information"),
clEnumVal(Executions, "print pass name before it is executed"),
clEnumVal(Details , "print pass details when it is executed"),
clEnumValEnd));
+
+typedef llvm::cl::list<const llvm::PassInfo *, bool, PassNameParser>
+PassOptionList;
+
+// Print IR out before/after specified passes.
+static PassOptionList
+PrintBefore("print-before",
+ llvm::cl::desc("Print IR before specified passes"));
+
+static PassOptionList
+PrintAfter("print-after",
+ llvm::cl::desc("Print IR after specified passes"));
+
+static cl::opt<bool>
+PrintBeforeAll("print-before-all",
+ llvm::cl::desc("Print IR before each pass"),
+ cl::init(false));
+static cl::opt<bool>
+PrintAfterAll("print-after-all",
+ llvm::cl::desc("Print IR after each pass"),
+ cl::init(false));
+
+/// This is a helper to determine whether to print IR before or
+/// after a pass.
+
+static bool ShouldPrintBeforeOrAfterPass(const void *PassID,
+ PassOptionList &PassesToPrint) {
+ if (const llvm::PassInfo *PI =
+ PassRegistry::getPassRegistry()->getPassInfo(PassID)) {
+ for (unsigned i = 0, ie = PassesToPrint.size(); i < ie; ++i) {
+ const llvm::PassInfo *PassInf = PassesToPrint[i];
+ if (PassInf)
+ if (PassInf->getPassArgument() == PI->getPassArgument()) {
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+
+/// This is a utility to check whether a pass should have IR dumped
+/// before it.
+static bool ShouldPrintBeforePass(const void *PassID) {
+ return PrintBeforeAll || ShouldPrintBeforeOrAfterPass(PassID, PrintBefore);
+}
+
+/// This is a utility to check whether a pass should have IR dumped
+/// after it.
+static bool ShouldPrintAfterPass(const void *PassID) {
+ return PrintAfterAll || ShouldPrintBeforeOrAfterPass(PassID, PrintAfter);
+}
+
} // End of llvm namespace
+/// isPassDebuggingExecutionsOrMore - Return true if -debug-pass=Executions
+/// or higher is specified.
+bool PMDataManager::isPassDebuggingExecutionsOrMore() const {
+ return PassDebugging >= Executions;
+}
+
+
+
+
void PassManagerPrettyStackEntry::print(raw_ostream &OS) const {
if (V == 0 && M == 0)
OS << "Releasing pass '";
/// BBPassManager manages BasicBlockPass. It batches all the
/// pass together and sequence them to process one basic block before
/// processing next basic block.
-class VISIBILITY_HIDDEN BBPassManager : public PMDataManager,
- public FunctionPass {
+class BBPassManager : public PMDataManager, public FunctionPass {
public:
static char ID;
explicit BBPassManager(int Depth)
- : PMDataManager(Depth), FunctionPass(&ID) {}
+ : PMDataManager(Depth), FunctionPass(ID) {}
/// 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 doFinalization(Module &M);
bool doFinalization(Function &F);
+ virtual PMDataManager *getAsPMDataManager() { return this; }
+ virtual Pass *getAsPass() { return this; }
+
virtual const char *getPassName() const {
return "BasicBlock Pass Manager";
}
// Print passes managed by this manager
void dumpPassStructure(unsigned Offset) {
- llvm::cerr << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n";
+ llvm::dbgs() << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n";
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
BasicBlockPass *BP = getContainedPass(Index);
BP->dumpPassStructure(Offset + 1);
public:
static char ID;
explicit FunctionPassManagerImpl(int Depth) :
- Pass(&ID), PMDataManager(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
schedulePass(P);
}
+ /// createPrinterPass - Get a function printer pass.
+ Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const {
+ return createPrintFunctionPass(Banner, &O);
+ }
+
// Prepare for running an on the fly pass, freeing memory if needed
// from a previous run.
void releaseMemoryOnTheFly();
///
bool doFinalization(Module &M);
+
+ virtual PMDataManager *getAsPMDataManager() { return this; }
+ virtual Pass *getAsPass() { return this; }
+
/// Pass Manager itself does not invalidate any analysis info.
void getAnalysisUsage(AnalysisUsage &Info) const {
Info.setPreservesAll();
}
inline void addTopLevelPass(Pass *P) {
-
- if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) {
-
+ if (ImmutablePass *IP = P->getAsImmutablePass()) {
// P is a immutable pass and it will be managed by this
// top level manager. Set up analysis resolver to connect them.
AnalysisResolver *AR = new AnalysisResolver(*this);
addImmutablePass(IP);
recordAvailableAnalysis(IP);
} else {
- P->assignPassManager(activeStack);
+ P->assignPassManager(activeStack, PMT_FunctionPassManager);
}
}
public:
static char ID;
explicit MPPassManager(int Depth) :
- Pass(&ID), PMDataManager(Depth) { }
+ Pass(PT_PassManager, ID), PMDataManager(Depth) { }
// Delete on the fly managers.
virtual ~MPPassManager() {
}
}
+ /// createPrinterPass - Get a module printer pass.
+ Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const {
+ return createPrintModulePass(&O, false, Banner);
+ }
+
/// run - Execute all of the passes scheduled for execution. Keep track of
/// whether any of the passes modifies the module, and if so, return true.
bool runOnModule(Module &M);
/// 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, const PassInfo *PI, Function &F);
+ virtual Pass* getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F);
virtual const char *getPassName() const {
return "Module Pass Manager";
}
+ virtual PMDataManager *getAsPMDataManager() { return this; }
+ virtual Pass *getAsPass() { return this; }
+
// Print passes managed by this manager
void dumpPassStructure(unsigned Offset) {
- llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n";
+ llvm::dbgs() << std::string(Offset*2, ' ') << "ModulePass Manager\n";
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
ModulePass *MP = getContainedPass(Index);
MP->dumpPassStructure(Offset + 1);
public:
static char ID;
explicit PassManagerImpl(int Depth) :
- Pass(&ID), PMDataManager(Depth), PMTopLevelManager(TLM_Pass) { }
+ Pass(PT_PassManager, ID), PMDataManager(Depth),
+ 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
schedulePass(P);
}
+ /// createPrinterPass - Get a module printer pass.
+ Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const {
+ return createPrintModulePass(&O, false, Banner);
+ }
+
/// run - Execute all of the passes scheduled for execution. Keep track of
/// whether any of the passes modifies the module, and if so, return true.
bool run(Module &M);
}
inline void addTopLevelPass(Pass *P) {
- if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) {
-
+ if (ImmutablePass *IP = P->getAsImmutablePass()) {
// P is a immutable pass and it will be managed by this
// top level manager. Set up analysis resolver to connect them.
AnalysisResolver *AR = new AnalysisResolver(*this);
addImmutablePass(IP);
recordAvailableAnalysis(IP);
} else {
- P->assignPassManager(activeStack);
+ P->assignPassManager(activeStack, PMT_ModulePassManager);
}
}
+ virtual PMDataManager *getAsPMDataManager() { return this; }
+ virtual Pass *getAsPass() { return this; }
+
MPPassManager *getContainedManager(unsigned N) {
assert(N < PassManagers.size() && "Pass number out of range!");
MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]);
static ManagedStatic<sys::SmartMutex<true> > TimingInfoMutex;
-class VISIBILITY_HIDDEN TimingInfo {
- std::map<Pass*, Timer> TimingData;
+class TimingInfo {
+ DenseMap<Pass*, Timer*> TimingData;
TimerGroup TG;
-
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...
- TimingData.clear();
+ // Delete all of the timers, which accumulate their info into the
+ // TimerGroup.
+ for (DenseMap<Pass*, Timer*>::iterator I = TimingData.begin(),
+ E = TimingData.end(); I != E; ++I)
+ delete I->second;
// TimerGroup is deleted next, printing the report.
}
// null. It may be called multiple times.
static void createTheTimeInfo();
- void passStarted(Pass *P) {
- if (dynamic_cast<PMDataManager *>(P))
- return;
-
- sys::SmartScopedLock<true> Lock(&*TimingInfoMutex);
- std::map<Pass*, Timer>::iterator I = TimingData.find(P);
- if (I == TimingData.end())
- I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first;
- I->second.startTimer();
- }
-
- void passEnded(Pass *P) {
- if (dynamic_cast<PMDataManager *>(P))
- return;
+ /// getPassTimer - Return the timer for the specified pass if it exists.
+ Timer *getPassTimer(Pass *P) {
+ if (P->getAsPMDataManager())
+ return 0;
- sys::SmartScopedLock<true> Lock(&*TimingInfoMutex);
- std::map<Pass*, Timer>::iterator I = TimingData.find(P);
- assert(I != TimingData.end() && "passStarted/passEnded not nested right!");
- I->second.stopTimer();
+ sys::SmartScopedLock<true> Lock(*TimingInfoMutex);
+ Timer *&T = TimingData[P];
+ if (T == 0)
+ T = new Timer(P->getPassName(), TG);
+ return T;
}
};
// 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.
- if (P->getPassInfo() &&
- P->getPassInfo()->isAnalysis() && findAnalysisPass(P->getPassInfo())) {
+ const PassInfo *PI =
+ PassRegistry::getPassRegistry()->getPassInfo(P->getPassID());
+ if (PI && PI->isAnalysis() && findAnalysisPass(P->getPassID())) {
delete P;
return;
}
Pass *AnalysisPass = findAnalysisPass(*I);
if (!AnalysisPass) {
- AnalysisPass = (*I)->createPass();
+ const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I);
+ AnalysisPass = PI->createPass();
if (P->getPotentialPassManagerType () ==
AnalysisPass->getPotentialPassManagerType())
// Schedule analysis pass that is managed by the same pass manager.
for (SmallVector<ImmutablePass *, 8>::iterator I = ImmutablePasses.begin(),
E = ImmutablePasses.end(); P == NULL && I != E; ++I) {
- const PassInfo *PI = (*I)->getPassInfo();
+ AnalysisID PI = (*I)->getPassID();
if (PI == AID)
P = *I;
// If Pass not found then check the interfaces implemented by Immutable Pass
if (!P) {
+ const PassInfo *PassInf =
+ PassRegistry::getPassRegistry()->getPassInfo(PI);
const std::vector<const PassInfo*> &ImmPI =
- PI->getInterfacesImplemented();
- if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end())
- P = *I;
+ PassInf->getInterfacesImplemented();
+ for (std::vector<const PassInfo*>::const_iterator II = ImmPI.begin(),
+ EE = ImmPI.end(); II != EE; ++II) {
+ if ((*II)->getTypeInfo() == AID)
+ P = *I;
+ }
}
}
// 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 dynamic_cast to get
+ // between PMDataManager and Pass, so we have to getAsPass to get
// from a PMDataManager* to a Pass*.
for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(),
E = PassManagers.end(); I != E; ++I)
- dynamic_cast<Pass *>(*I)->dumpPassStructure(1);
+ (*I)->getAsPass()->dumpPassStructure(1);
}
void PMTopLevelManager::dumpArguments() const {
if (PassDebugging < Arguments)
return;
- cerr << "Pass Arguments: ";
+ dbgs() << "Pass Arguments: ";
for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(),
E = PassManagers.end(); I != E; ++I)
(*I)->dumpPassArguments();
- cerr << "\n";
+ dbgs() << "\n";
}
void PMTopLevelManager::initializeAllAnalysisInfo() {
/// Augement AvailableAnalysis by adding analysis made available by pass P.
void PMDataManager::recordAvailableAnalysis(Pass *P) {
- const PassInfo *PI = P->getPassInfo();
- if (PI == 0) return;
+ AnalysisID PI = P->getPassID();
AvailableAnalysis[PI] = P;
+
+ assert(AvailableAnalysis.size());
//This pass is the current implementation of all of the interfaces it
//implements as well.
- const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented();
+ const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI);
+ if (PInf == 0) return;
+ const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented();
for (unsigned i = 0, e = II.size(); i != e; ++i)
- AvailableAnalysis[II[i]] = P;
+ AvailableAnalysis[II[i]->getTypeInfo()] = P;
}
// Return true if P preserves high level analysis used by other
for (SmallVector<Pass *, 8>::iterator I = HigherLevelAnalysis.begin(),
E = HigherLevelAnalysis.end(); I != E; ++I) {
Pass *P1 = *I;
- if (!dynamic_cast<ImmutablePass*>(P1) &&
+ if (P1->getAsImmutablePass() == 0 &&
std::find(PreservedSet.begin(), PreservedSet.end(),
- P1->getPassInfo()) ==
+ P1->getPassID()) ==
PreservedSet.end())
return false;
}
for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(),
E = PreservedSet.end(); I != E; ++I) {
AnalysisID AID = *I;
- if (Pass *AP = findAnalysisPass(AID, true))
+ if (Pass *AP = findAnalysisPass(AID, true)) {
+ TimeRegion PassTimer(getPassTimer(AP));
AP->verifyAnalysis();
- }
-}
-
-/// verifyDomInfo - Verify dominator information if it is available.
-void PMDataManager::verifyDomInfo(Pass &P, Function &F) {
- if (!VerifyDomInfo || !P.getResolver())
- return;
-
- DominatorTree *DT = P.getAnalysisIfAvailable<DominatorTree>();
- if (!DT)
- return;
-
- DominatorTree OtherDT;
- OtherDT.getBase().recalculate(F);
- if (DT->compare(OtherDT)) {
- cerr << "Dominator Information for " << F.getNameStart() << "\n";
- cerr << "Pass '" << P.getPassName() << "'\n";
- cerr << "----- Valid -----\n";
- OtherDT.dump();
- cerr << "----- Invalid -----\n";
- DT->dump();
- assert(0 && "Invalid dominator info");
- }
-
- DominanceFrontier *DF = P.getAnalysisIfAvailable<DominanceFrontier>();
- if (!DF)
- return;
-
- DominanceFrontier OtherDF;
- std::vector<BasicBlock*> DTRoots = DT->getRoots();
- OtherDF.calculate(*DT, DT->getNode(DTRoots[0]));
- if (DF->compare(OtherDF)) {
- cerr << "Dominator Information for " << F.getNameStart() << "\n";
- cerr << "Pass '" << P.getPassName() << "'\n";
- cerr << "----- Valid -----\n";
- OtherDF.dump();
- cerr << "----- Invalid -----\n";
- DF->dump();
- assert(0 && "Invalid dominator info");
+ }
}
}
for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(),
E = AvailableAnalysis.end(); I != E; ) {
std::map<AnalysisID, Pass*>::iterator Info = I++;
- if (!dynamic_cast<ImmutablePass*>(Info->second)
- && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) ==
+ if (Info->second->getAsImmutablePass() == 0 &&
+ std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) ==
PreservedSet.end()) {
// Remove this analysis
if (PassDebugging >= Details) {
Pass *S = Info->second;
- cerr << " -- '" << P->getPassName() << "' is not preserving '";
- cerr << S->getPassName() << "'\n";
+ dbgs() << " -- '" << P->getPassName() << "' is not preserving '";
+ dbgs() << S->getPassName() << "'\n";
}
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) {
I = InheritedAnalysis[Index]->begin(),
E = InheritedAnalysis[Index]->end(); I != E; ) {
std::map<AnalysisID, Pass *>::iterator Info = I++;
- if (!dynamic_cast<ImmutablePass*>(Info->second) &&
+ if (Info->second->getAsImmutablePass() == 0 &&
std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) ==
- PreservedSet.end())
+ PreservedSet.end()) {
// Remove this analysis
+ if (PassDebugging >= Details) {
+ Pass *S = Info->second;
+ dbgs() << " -- '" << P->getPassName() << "' is not preserving '";
+ dbgs() << S->getPassName() << "'\n";
+ }
InheritedAnalysis[Index]->erase(Info);
+ }
}
}
}
/// Remove analysis passes that are not used any longer
-void PMDataManager::removeDeadPasses(Pass *P, const char *Msg,
+void PMDataManager::removeDeadPasses(Pass *P, StringRef Msg,
enum PassDebuggingString DBG_STR) {
SmallVector<Pass *, 12> DeadPasses;
TPM->collectLastUses(DeadPasses, P);
if (PassDebugging >= Details && !DeadPasses.empty()) {
- cerr << " -*- '" << P->getPassName();
- cerr << "' is the last user of following pass instances.";
- cerr << " Free these instances\n";
+ dbgs() << " -*- '" << P->getPassName();
+ dbgs() << "' is the last user of following pass instances.";
+ dbgs() << " Free these instances\n";
}
for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(),
- E = DeadPasses.end(); I != E; ++I) {
+ E = DeadPasses.end(); I != E; ++I)
+ freePass(*I, Msg, DBG_STR);
+}
- dumpPassInfo(*I, FREEING_MSG, DBG_STR, Msg);
+void PMDataManager::freePass(Pass *P, StringRef Msg,
+ enum PassDebuggingString DBG_STR) {
+ dumpPassInfo(P, FREEING_MSG, DBG_STR, Msg);
- {
- // If the pass crashes releasing memory, remember this.
- PassManagerPrettyStackEntry X(*I);
-
- if (TheTimeInfo) TheTimeInfo->passStarted(*I);
- (*I)->releaseMemory();
- if (TheTimeInfo) TheTimeInfo->passEnded(*I);
- }
- if (const PassInfo *PI = (*I)->getPassInfo()) {
- std::map<AnalysisID, Pass*>::iterator Pos =
- AvailableAnalysis.find(PI);
+ {
+ // If the pass crashes releasing memory, remember this.
+ PassManagerPrettyStackEntry X(P);
+ TimeRegion PassTimer(getPassTimer(P));
- // It is possible that pass is already removed from the AvailableAnalysis
- if (Pos != AvailableAnalysis.end())
- AvailableAnalysis.erase(Pos);
+ P->releaseMemory();
+ }
- // Remove all interfaces this pass implements, for which it is also
- // listed as the available implementation.
- const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented();
- for (unsigned i = 0, e = II.size(); i != e; ++i) {
- Pos = AvailableAnalysis.find(II[i]);
- if (Pos != AvailableAnalysis.end() && Pos->second == *I)
- AvailableAnalysis.erase(Pos);
- }
+ AnalysisID PI = P->getPassID();
+ if (const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI)) {
+ // Remove the pass itself (if it is not already removed).
+ AvailableAnalysis.erase(PI);
+
+ // Remove all interfaces this pass implements, for which it is also
+ // listed as the available implementation.
+ const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented();
+ for (unsigned i = 0, e = II.size(); i != e; ++i) {
+ std::map<AnalysisID, Pass*>::iterator Pos =
+ AvailableAnalysis.find(II[i]->getTypeInfo());
+ if (Pos != AvailableAnalysis.end() && Pos->second == P)
+ AvailableAnalysis.erase(Pos);
}
}
}
// Keep track of higher level analysis used by this manager.
HigherLevelAnalysis.push_back(PRequired);
} else
- assert(0 && "Unable to accomodate Required Pass");
+ llvm_unreachable("Unable to accomodate Required Pass");
}
// 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 (!dynamic_cast<PMDataManager *>(P))
+ if (P->getAsPMDataManager() == 0)
LastUses.push_back(P);
TPM->setLastUser(LastUses, P);
if (!TransferLastUses.empty()) {
- Pass *My_PM = dynamic_cast<Pass *>(this);
+ Pass *My_PM = getAsPass();
TPM->setLastUser(TransferLastUses, My_PM);
TransferLastUses.clear();
}
for (SmallVector<AnalysisID, 8>::iterator
I = ReqAnalysisNotAvailable.begin(),
E = ReqAnalysisNotAvailable.end() ;I != E; ++I) {
- Pass *AnalysisPass = (*I)->createPass();
+ const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I);
+ Pass *AnalysisPass = PI->createPass();
this->addLowerLevelRequiredPass(P, AnalysisPass);
}
for (SmallVector<Pass *, 12>::iterator I = LUses.begin(),
E = LUses.end(); I != E; ++I) {
- llvm::cerr << "--" << std::string(Offset*2, ' ');
+ llvm::dbgs() << "--" << std::string(Offset*2, ' ');
(*I)->dumpPassStructure(0);
}
}
void PMDataManager::dumpPassArguments() const {
for (SmallVector<Pass *, 8>::const_iterator I = PassVector.begin(),
E = PassVector.end(); I != E; ++I) {
- if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I))
+ if (PMDataManager *PMD = (*I)->getAsPMDataManager())
PMD->dumpPassArguments();
else
- if (const PassInfo *PI = (*I)->getPassInfo())
+ if (const PassInfo *PI =
+ PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID()))
if (!PI->isAnalysisGroup())
- cerr << " -" << PI->getPassArgument();
+ dbgs() << " -" << PI->getPassArgument();
}
}
void PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1,
enum PassDebuggingString S2,
- const char *Msg) {
+ StringRef Msg) {
if (PassDebugging < Executions)
return;
- cerr << (void*)this << std::string(getDepth()*2+1, ' ');
+ dbgs() << (void*)this << std::string(getDepth()*2+1, ' ');
switch (S1) {
case EXECUTION_MSG:
- cerr << "Executing Pass '" << P->getPassName();
+ dbgs() << "Executing Pass '" << P->getPassName();
break;
case MODIFICATION_MSG:
- cerr << "Made Modification '" << P->getPassName();
+ dbgs() << "Made Modification '" << P->getPassName();
break;
case FREEING_MSG:
- cerr << " Freeing Pass '" << P->getPassName();
+ dbgs() << " Freeing Pass '" << P->getPassName();
break;
default:
break;
}
switch (S2) {
case ON_BASICBLOCK_MSG:
- cerr << "' on BasicBlock '" << Msg << "'...\n";
+ dbgs() << "' on BasicBlock '" << Msg << "'...\n";
break;
case ON_FUNCTION_MSG:
- cerr << "' on Function '" << Msg << "'...\n";
+ dbgs() << "' on Function '" << Msg << "'...\n";
break;
case ON_MODULE_MSG:
- cerr << "' on Module '" << Msg << "'...\n";
+ dbgs() << "' on Module '" << Msg << "'...\n";
break;
case ON_LOOP_MSG:
- cerr << "' on Loop " << Msg << "'...\n";
+ dbgs() << "' on Loop '" << Msg << "'...\n";
break;
case ON_CG_MSG:
- cerr << "' on Call Graph " << Msg << "'...\n";
+ dbgs() << "' on Call Graph Nodes '" << Msg << "'...\n";
break;
default:
break;
dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet());
}
-void PMDataManager::dumpAnalysisUsage(const char *Msg, const Pass *P,
+void PMDataManager::dumpAnalysisUsage(StringRef Msg, const Pass *P,
const AnalysisUsage::VectorType &Set) const {
assert(PassDebugging >= Details);
if (Set.empty())
return;
- cerr << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:";
+ dbgs() << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:";
for (unsigned i = 0; i != Set.size(); ++i) {
- if (i) cerr << ",";
- cerr << " " << Set[i]->getPassName();
+ if (i) dbgs() << ',';
+ const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(Set[i]);
+ dbgs() << ' ' << PInf->getPassName();
}
- cerr << "\n";
+ dbgs() << '\n';
}
/// Add RequiredPass into list of lower level passes required by pass P.
// checks whether any lower level manager will be able to provide this
// analysis info on demand or not.
#ifndef NDEBUG
- cerr << "Unable to schedule '" << RequiredPass->getPassName();
- cerr << "' required by '" << P->getPassName() << "'\n";
+ dbgs() << "Unable to schedule '" << RequiredPass->getPassName();
+ dbgs() << "' required by '" << P->getPassName() << "'\n";
#endif
- assert(0 && "Unable to schedule pass");
+ llvm_unreachable("Unable to schedule pass");
+}
+
+Pass *PMDataManager::getOnTheFlyPass(Pass *P, AnalysisID PI, Function &F) {
+ assert(0 && "Unable to find on the fly pass");
+ return NULL;
}
// Destructor
return PM.findAnalysisPass(ID, dir);
}
-Pass *AnalysisResolver::findImplPass(Pass *P, const PassInfo *AnalysisPI,
+Pass *AnalysisResolver::findImplPass(Pass *P, AnalysisID AnalysisPI,
Function &F) {
return PM.getOnTheFlyPass(P, AnalysisPI, F);
}
for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I)
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
BasicBlockPass *BP = getContainedPass(Index);
+ bool LocalChanged = false;
- dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getNameStart());
+ dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getName());
dumpRequiredSet(BP);
initializeAnalysisImpl(BP);
{
// If the pass crashes, remember this.
PassManagerPrettyStackEntry X(BP, *I);
-
- if (TheTimeInfo) TheTimeInfo->passStarted(BP);
- Changed |= BP->runOnBasicBlock(*I);
- if (TheTimeInfo) TheTimeInfo->passEnded(BP);
+ TimeRegion PassTimer(getPassTimer(BP));
+
+ LocalChanged |= BP->runOnBasicBlock(*I);
}
- if (Changed)
+ Changed |= LocalChanged;
+ if (LocalChanged)
dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG,
- I->getNameStart());
+ I->getName());
dumpPreservedSet(BP);
verifyPreservedAnalysis(BP);
removeNotPreservedAnalysis(BP);
recordAvailableAnalysis(BP);
- removeDeadPasses(BP, I->getNameStart(), ON_BASICBLOCK_MSG);
+ removeDeadPasses(BP, I->getName(), ON_BASICBLOCK_MSG);
}
- return Changed |= doFinalization(F);
+ return doFinalization(F) || Changed;
}
// Implement doInitialization and doFinalization
// FunctionPassManager implementation
/// Create new Function pass manager
-FunctionPassManager::FunctionPassManager(ModuleProvider *P) {
+FunctionPassManager::FunctionPassManager(Module *m) : M(m) {
FPM = new FunctionPassManagerImpl(0);
// FPM is the top level manager.
FPM->setTopLevelManager(FPM);
AnalysisResolver *AR = new AnalysisResolver(*FPM);
FPM->setResolver(AR);
-
- MP = P;
}
FunctionPassManager::~FunctionPassManager() {
delete FPM;
}
+/// addImpl - Add a pass to the queue of passes to run, without
+/// checking whether to add a printer pass.
+void FunctionPassManager::addImpl(Pass *P) {
+ FPM->add(P);
+}
+
/// 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);
+ // 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)
+ if (ShouldPrintBeforePass(PassID))
+ addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump Before ")
+ + P->getPassName() + " ***"));
+
+ addImpl(P);
+
+ if (P->getPassKind() == PT_Function)
+ if (ShouldPrintAfterPass(PassID))
+ addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump After ")
+ + P->getPassName() + " ***"));
}
/// run - Execute all of the passes scheduled for execution. Keep
/// so, return true.
///
bool FunctionPassManager::run(Function &F) {
- std::string errstr;
- if (MP->materializeFunction(&F, &errstr)) {
- cerr << "Error reading bitcode file: " << errstr << "\n";
- abort();
+ if (F.isMaterializable()) {
+ std::string errstr;
+ if (F.Materialize(&errstr))
+ report_fatal_error("Error reading bitcode file: " + Twine(errstr));
}
return FPM->run(F);
}
/// doInitialization - Run all of the initializers for the function passes.
///
bool FunctionPassManager::doInitialization() {
- return FPM->doInitialization(*MP->getModule());
+ return FPM->doInitialization(*M);
}
/// doFinalization - Run all of the finalizers for the function passes.
///
bool FunctionPassManager::doFinalization() {
- return FPM->doFinalization(*MP->getModule());
+ return FPM->doFinalization(*M);
}
//===----------------------------------------------------------------------===//
bool FunctionPassManagerImpl::doInitialization(Module &M) {
bool Changed = false;
+ dumpArguments();
+ dumpPasses();
+
for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index)
Changed |= getContainedManager(Index)->doInitialization(M);
bool Changed = false;
TimingInfo::createTheTimeInfo();
- dumpArguments();
- dumpPasses();
-
initializeAllAnalysisInfo();
for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index)
Changed |= getContainedManager(Index)->runOnFunction(F);
char FPPassManager::ID = 0;
/// Print passes managed by this manager
void FPPassManager::dumpPassStructure(unsigned Offset) {
- llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n";
+ llvm::dbgs() << std::string(Offset*2, ' ') << "FunctionPass Manager\n";
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
FunctionPass *FP = getContainedPass(Index);
FP->dumpPassStructure(Offset + 1);
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
FunctionPass *FP = getContainedPass(Index);
+ bool LocalChanged = false;
- dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getNameStart());
+ dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName());
dumpRequiredSet(FP);
initializeAnalysisImpl(FP);
{
PassManagerPrettyStackEntry X(FP, F);
+ TimeRegion PassTimer(getPassTimer(FP));
- if (TheTimeInfo) TheTimeInfo->passStarted(FP);
- Changed |= FP->runOnFunction(F);
- if (TheTimeInfo) TheTimeInfo->passEnded(FP);
+ LocalChanged |= FP->runOnFunction(F);
}
- if (Changed)
- dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getNameStart());
+ Changed |= LocalChanged;
+ if (LocalChanged)
+ dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName());
dumpPreservedSet(FP);
verifyPreservedAnalysis(FP);
removeNotPreservedAnalysis(FP);
recordAvailableAnalysis(FP);
- removeDeadPasses(FP, F.getNameStart(), ON_FUNCTION_MSG);
-
- // If dominator information is available then verify the info if requested.
- verifyDomInfo(*FP, F);
+ removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG);
}
return Changed;
}
for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
runOnFunction(*I);
- return Changed |= doFinalization(M);
+ return doFinalization(M) || Changed;
}
bool FPPassManager::doInitialization(Module &M) {
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
ModulePass *MP = getContainedPass(Index);
+ bool LocalChanged = false;
- dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG,
- M.getModuleIdentifier().c_str());
+ dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, M.getModuleIdentifier());
dumpRequiredSet(MP);
initializeAnalysisImpl(MP);
{
PassManagerPrettyStackEntry X(MP, M);
- if (TheTimeInfo) TheTimeInfo->passStarted(MP);
- Changed |= MP->runOnModule(M);
- if (TheTimeInfo) TheTimeInfo->passEnded(MP);
+ TimeRegion PassTimer(getPassTimer(MP));
+
+ LocalChanged |= MP->runOnModule(M);
}
- if (Changed)
+ Changed |= LocalChanged;
+ if (LocalChanged)
dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG,
- M.getModuleIdentifier().c_str());
+ M.getModuleIdentifier());
dumpPreservedSet(MP);
verifyPreservedAnalysis(MP);
removeNotPreservedAnalysis(MP);
recordAvailableAnalysis(MP);
- removeDeadPasses(MP, M.getModuleIdentifier().c_str(), ON_MODULE_MSG);
+ removeDeadPasses(MP, M.getModuleIdentifier(), ON_MODULE_MSG);
}
// Finalize on-the-fly passes
/// 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, const PassInfo *PI, 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 (dynamic_cast<PMTopLevelManager *>(FPP))->findAnalysisPass(PI);
+ return ((PMTopLevelManager*)FPP)->findAnalysisPass(PI);
}
delete PM;
}
+/// addImpl - Add a pass to the queue of passes to run, without
+/// checking whether to add a printer pass.
+void PassManager::addImpl(Pass *P) {
+ PM->add(P);
+}
+
/// 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);
+ const void* PassID = P->getPassID();
+ if (ShouldPrintBeforePass(PassID))
+ addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump Before ")
+ + P->getPassName() + " ***"));
+
+ addImpl(P);
+
+ if (ShouldPrintAfterPass(PassID))
+ addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump After ")
+ + P->getPassName() + " ***"));
}
/// run - Execute all of the passes scheduled for execution. Keep track of
}
/// If TimingInfo is enabled then start pass timer.
-void StartPassTimer(Pass *P) {
- if (TheTimeInfo)
- TheTimeInfo->passStarted(P);
-}
-
-/// If TimingInfo is enabled then stop pass timer.
-void StopPassTimer(Pass *P) {
+Timer *llvm::getPassTimer(Pass *P) {
if (TheTimeInfo)
- TheTimeInfo->passEnded(P);
+ return TheTimeInfo->getPassTimer(P);
+ return 0;
}
//===----------------------------------------------------------------------===//
}
// Dump content of the pass manager stack.
-void PMStack::dump() {
- for (std::deque<PMDataManager *>::iterator I = S.begin(),
+void PMStack::dump() const {
+ for (std::vector<PMDataManager *>::const_iterator I = S.begin(),
E = S.end(); I != E; ++I)
- printf("%s ", dynamic_cast<Pass *>(*I)->getPassName());
+ printf("%s ", (*I)->getAsPass()->getPassName());
if (!S.empty())
printf("\n");
PassManagerType PreferredType) {
// Find Module Pass Manager
- while(!PMS.empty()) {
+ while (!PMS.empty()) {
if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager)
PMS.pop();
else
break;
}
- FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top());
- // Create new Function Pass Manager
- if (!FPP) {
+ // Create new Function Pass Manager if needed.
+ FPPassManager *FPP;
+ if (PMS.top()->getPassManagerType() == PMT_FunctionPassManager) {
+ FPP = (FPPassManager *)PMS.top();
+ } else {
assert(!PMS.empty() && "Unable to create Function Pass Manager");
PMDataManager *PMD = PMS.top();
/// in the PM Stack and add self into that manager.
void BasicBlockPass::assignPassManager(PMStack &PMS,
PassManagerType PreferredType) {
- BBPassManager *BBP = NULL;
+ BBPassManager *BBP;
// Basic Pass Manager is a leaf pass manager. It does not handle
// any other pass manager.
- if (!PMS.empty())
- BBP = dynamic_cast<BBPassManager *>(PMS.top());
-
- // If leaf manager is not Basic Block Pass manager then create new
- // basic Block Pass manager.
-
- if (!BBP) {
+ if (!PMS.empty() &&
+ PMS.top()->getPassManagerType() == PMT_BasicBlockPassManager) {
+ BBP = (BBPassManager *)PMS.top();
+ } else {
+ // If leaf manager is not Basic Block Pass manager then create new
+ // basic Block Pass manager.
assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager");
PMDataManager *PMD = PMS.top();
// [3] Assign manager to manage this new manager. This may create
// and push new managers into PMS
- BBP->assignPassManager(PMS);
+ BBP->assignPassManager(PMS, PreferredType);
// [4] Push new manager into PMS
PMS.push(BBP);
}
PassManagerBase::~PassManagerBase() {}
-
-/*===-- C Bindings --------------------------------------------------------===*/
-
-LLVMPassManagerRef LLVMCreatePassManager() {
- return wrap(new PassManager());
-}
-
-LLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) {
- return wrap(new FunctionPassManager(unwrap(P)));
-}
-
-int LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) {
- return unwrap<PassManager>(PM)->run(*unwrap(M));
-}
-
-int LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM) {
- return unwrap<FunctionPassManager>(FPM)->doInitialization();
-}
-
-int LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F) {
- return unwrap<FunctionPassManager>(FPM)->run(*unwrap<Function>(F));
-}
-
-int LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM) {
- return unwrap<FunctionPassManager>(FPM)->doFinalization();
-}
-
-void LLVMDisposePassManager(LLVMPassManagerRef PM) {
- delete unwrap(PM);
-}