#include "llvm/PassManagers.h"
#include "llvm/PassManager.h"
+#include "llvm/DebugInfoProbe.h"
#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/Assembly/Writer.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/PassNameParser.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/System/Mutex.h"
+#include "llvm/Support/Mutex.h"
+#include "llvm/ADT/StringMap.h"
#include <algorithm>
-#include <cstdio>
#include <map>
using namespace llvm;
// Print IR out before/after specified passes.
static PassOptionList
PrintBefore("print-before",
- llvm::cl::desc("Print IR before specified passes"));
+ llvm::cl::desc("Print IR before specified passes"),
+ cl::Hidden);
static PassOptionList
PrintAfter("print-after",
- llvm::cl::desc("Print IR after specified passes"));
+ llvm::cl::desc("Print IR after specified passes"),
+ cl::Hidden);
static cl::opt<bool>
PrintBeforeAll("print-before-all",
public:
static char ID;
- explicit BBPassManager(int Depth)
- : PMDataManager(Depth), FunctionPass(ID) {}
+ explicit BBPassManager()
+ : PMDataManager(), 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.
// Print passes managed by this manager
void dumpPassStructure(unsigned Offset) {
- llvm::dbgs() << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n";
+ llvm::dbgs().indent(Offset*2) << "BasicBlockPass Manager\n";
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
BasicBlockPass *BP = getContainedPass(Index);
BP->dumpPassStructure(Offset + 1);
bool wasRun;
public:
static char ID;
- explicit FunctionPassManagerImpl(int Depth) :
- Pass(PT_PassManager, ID), PMDataManager(Depth),
- PMTopLevelManager(new FPPassManager(1)), wasRun(false) {}
+ explicit FunctionPassManagerImpl() :
+ 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
Info.setPreservesAll();
}
- inline void addTopLevelPass(Pass *P) {
+ void addTopLevelPass(Pass *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.
class MPPassManager : public Pass, public PMDataManager {
public:
static char ID;
- explicit MPPassManager(int Depth) :
- Pass(PT_PassManager, ID), PMDataManager(Depth) { }
+ explicit MPPassManager() :
+ Pass(PT_PassManager, ID), PMDataManager() { }
// Delete on the fly managers.
virtual ~MPPassManager() {
// Print passes managed by this manager
void dumpPassStructure(unsigned Offset) {
- llvm::dbgs() << std::string(Offset*2, ' ') << "ModulePass Manager\n";
+ llvm::dbgs().indent(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(PT_PassManager, ID), PMDataManager(Depth),
- PMTopLevelManager(new MPPassManager(1)) {}
+ explicit PassManagerImpl() :
+ 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
Info.setPreservesAll();
}
- inline void addTopLevelPass(Pass *P) {
+ void addTopLevelPass(Pass *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.
namespace {
+//===----------------------------------------------------------------------===//
+// DebugInfoProbe
+
+static DebugInfoProbeInfo *TheDebugProbe;
+static void createDebugInfoProbe() {
+ if (TheDebugProbe) return;
+
+ // Constructed the first time this is called. This guarantees that the
+ // object will be constructed, if -enable-debug-info-probe is set,
+ // before static globals, thus it will be destroyed before them.
+ static ManagedStatic<DebugInfoProbeInfo> DIP;
+ TheDebugProbe = &*DIP;
+}
+
//===----------------------------------------------------------------------===//
/// TimingInfo Class - This class is used to calculate information about the
/// amount of time each pass takes to execute. This only happens when
}
/// Set pass P as the last user of the given analysis passes.
-void PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses,
- Pass *P) {
- for (SmallVector<Pass *, 12>::iterator I = AnalysisPasses.begin(),
+void
+PMTopLevelManager::setLastUser(const SmallVectorImpl<Pass *> &AnalysisPasses,
+ Pass *P) {
+ unsigned PDepth = 0;
+ if (P->getResolver())
+ PDepth = P->getResolver()->getPMDataManager().getDepth();
+
+ for (SmallVectorImpl<Pass *>::const_iterator I = AnalysisPasses.begin(),
E = AnalysisPasses.end(); I != E; ++I) {
Pass *AP = *I;
LastUser[AP] = P;
if (P == AP)
continue;
+ // Update the last users of passes that are required transitive by AP.
+ AnalysisUsage *AnUsage = findAnalysisUsage(AP);
+ const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet();
+ SmallVector<Pass *, 12> LastUses;
+ SmallVector<Pass *, 12> LastPMUses;
+ for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(),
+ E = IDs.end(); I != E; ++I) {
+ Pass *AnalysisPass = findAnalysisPass(*I);
+ assert(AnalysisPass && "Expected analysis pass to exist.");
+ AnalysisResolver *AR = AnalysisPass->getResolver();
+ assert(AR && "Expected analysis resolver to exist.");
+ unsigned APDepth = AR->getPMDataManager().getDepth();
+
+ if (PDepth == APDepth)
+ LastUses.push_back(AnalysisPass);
+ else if (PDepth > APDepth)
+ LastPMUses.push_back(AnalysisPass);
+ }
+
+ setLastUser(LastUses, P);
+
+ // If this pass has a corresponding pass manager, push higher level
+ // analysis to this pass manager.
+ if (P->getResolver())
+ setLastUser(LastPMUses, P->getResolver()->getPMDataManager().getAsPass());
+
+
// If AP is the last user of other passes then make P last user of
// such passes.
for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(),
LUE = LastUser.end(); LUI != LUE; ++LUI) {
if (LUI->second == AP)
// DenseMap iterator is not invalidated here because
- // this is just updating exisitng entry.
+ // this is just updating existing entries.
LastUser[LUI->first] = P;
}
}
}
/// Collect passes whose last user is P
-void PMTopLevelManager::collectLastUses(SmallVector<Pass *, 12> &LastUses,
+void PMTopLevelManager::collectLastUses(SmallVectorImpl<Pass *> &LastUses,
Pass *P) {
DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI =
InversedLastUser.find(P);
Pass *AnalysisPass = findAnalysisPass(*I);
if (!AnalysisPass) {
const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I);
+ assert(PI && "Expected required passes to be initialized");
AnalysisPass = PI->createPass();
if (P->getPotentialPassManagerType () ==
AnalysisPass->getPotentialPassManagerType())
AnalysisPass->getPotentialPassManagerType()) {
// Schedule analysis pass that is managed by a new manager.
schedulePass(AnalysisPass);
- // Recheck analysis passes to ensure that required analysises that
+ // Recheck analysis passes to ensure that required analyses that
// are already checked are still available.
checkAnalysis = true;
}
/// then return NULL.
Pass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) {
- Pass *P = NULL;
// Check pass managers
- for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(),
- E = PassManagers.end(); P == NULL && I != E; ++I) {
- PMDataManager *PMD = *I;
- P = PMD->findAnalysisPass(AID, false);
- }
+ for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(),
+ E = PassManagers.end(); I != E; ++I)
+ if (Pass *P = (*I)->findAnalysisPass(AID, false))
+ return P;
// Check other pass managers
- for (SmallVector<PMDataManager *, 8>::iterator
+ for (SmallVectorImpl<PMDataManager *>::iterator
I = IndirectPassManagers.begin(),
- E = IndirectPassManagers.end(); P == NULL && I != E; ++I)
- P = (*I)->findAnalysisPass(AID, false);
-
- for (SmallVector<ImmutablePass *, 8>::iterator I = ImmutablePasses.begin(),
- E = ImmutablePasses.end(); P == NULL && I != E; ++I) {
+ E = IndirectPassManagers.end(); I != E; ++I)
+ if (Pass *P = (*I)->findAnalysisPass(AID, false))
+ return P;
+
+ // Check the immutable passes. Iterate in reverse order so that we find
+ // the most recently registered passes first.
+ for (SmallVector<ImmutablePass *, 8>::reverse_iterator I =
+ ImmutablePasses.rbegin(), E = ImmutablePasses.rend(); I != E; ++I) {
AnalysisID PI = (*I)->getPassID();
if (PI == AID)
- P = *I;
+ return *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 =
- PassInf->getInterfacesImplemented();
- for (std::vector<const PassInfo*>::const_iterator II = ImmPI.begin(),
- EE = ImmPI.end(); II != EE; ++II) {
- if ((*II)->getTypeInfo() == AID)
- P = *I;
- }
+ const PassInfo *PassInf =
+ PassRegistry::getPassRegistry()->getPassInfo(PI);
+ assert(PassInf && "Expected all immutable passes to be initialized");
+ const std::vector<const PassInfo*> &ImmPI =
+ PassInf->getInterfacesImplemented();
+ for (std::vector<const PassInfo*>::const_iterator II = ImmPI.begin(),
+ EE = ImmPI.end(); II != EE; ++II) {
+ if ((*II)->getTypeInfo() == AID)
+ return *I;
}
}
- return P;
+ return 0;
}
// Print passes managed by this top level manager.
return;
dbgs() << "Pass Arguments: ";
+ for (SmallVector<ImmutablePass *, 8>::const_iterator I =
+ ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I)
+ if (const PassInfo *PI =
+ PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID())) {
+ assert(PI && "Expected all immutable passes to be initialized");
+ if (!PI->isAnalysisGroup())
+ dbgs() << " -" << PI->getPassArgument();
+ }
for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(),
E = PassManagers.end(); I != E; ++I)
(*I)->dumpPassArguments();
}
void PMTopLevelManager::initializeAllAnalysisInfo() {
- for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(),
+ for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(),
E = PassManagers.end(); I != E; ++I)
(*I)->initializeAnalysisInfo();
// Initailize other pass managers
- for (SmallVector<PMDataManager *, 8>::iterator
+ for (SmallVectorImpl<PMDataManager *>::iterator
I = IndirectPassManagers.begin(), E = IndirectPassManagers.end();
I != E; ++I)
(*I)->initializeAnalysisInfo();
/// Destructor
PMTopLevelManager::~PMTopLevelManager() {
- for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(),
+ for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(),
E = PassManagers.end(); I != E; ++I)
delete *I;
- for (SmallVector<ImmutablePass *, 8>::iterator
+ for (SmallVectorImpl<ImmutablePass *>::iterator
I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I)
delete *I;
return true;
const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet();
- for (SmallVector<Pass *, 8>::iterator I = HigherLevelAnalysis.begin(),
+ for (SmallVectorImpl<Pass *>::iterator I = HigherLevelAnalysis.begin(),
E = HigherLevelAnalysis.end(); I != E; ++I) {
Pass *P1 = *I;
if (P1->getAsImmutablePass() == 0 &&
dbgs() << " Free these instances\n";
}
- for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(),
+ for (SmallVectorImpl<Pass *>::iterator I = DeadPasses.begin(),
E = DeadPasses.end(); I != E; ++I)
freePass(*I, Msg, DBG_STR);
}
collectRequiredAnalysis(RequiredPasses,
ReqAnalysisNotAvailable, P);
- for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(),
+ for (SmallVectorImpl<Pass *>::iterator I = RequiredPasses.begin(),
E = RequiredPasses.end(); I != E; ++I) {
Pass *PRequired = *I;
unsigned RDepth = 0;
// Keep track of higher level analysis used by this manager.
HigherLevelAnalysis.push_back(PRequired);
} else
- llvm_unreachable("Unable to accomodate Required Pass");
+ llvm_unreachable("Unable to accommodate Required Pass");
}
// Set P as P's last user until someone starts using P.
TransferLastUses.clear();
}
- // Now, take care of required analysises that are not available.
- for (SmallVector<AnalysisID, 8>::iterator
+ // Now, take care of required analyses that are not available.
+ for (SmallVectorImpl<AnalysisID>::iterator
I = ReqAnalysisNotAvailable.begin(),
E = ReqAnalysisNotAvailable.end() ;I != E; ++I) {
const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I);
/// Populate RP with analysis pass that are required by
/// pass P and are available. Populate RP_NotAvail with analysis
/// pass that are required by pass P but are not available.
-void PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP,
- SmallVector<AnalysisID, 8> &RP_NotAvail,
+void PMDataManager::collectRequiredAnalysis(SmallVectorImpl<Pass *> &RP,
+ SmallVectorImpl<AnalysisID> &RP_NotAvail,
Pass *P) {
AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P);
const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet();
TPM->collectLastUses(LUses, P);
- for (SmallVector<Pass *, 12>::iterator I = LUses.begin(),
+ for (SmallVectorImpl<Pass *>::iterator I = LUses.begin(),
E = LUses.end(); I != E; ++I) {
llvm::dbgs() << "--" << std::string(Offset*2, ' ');
(*I)->dumpPassStructure(0);
}
void PMDataManager::dumpPassArguments() const {
- for (SmallVector<Pass *, 8>::const_iterator I = PassVector.begin(),
+ for (SmallVectorImpl<Pass *>::const_iterator I = PassVector.begin(),
E = PassVector.end(); I != E; ++I) {
if (PMDataManager *PMD = (*I)->getAsPMDataManager())
PMD->dumpPassArguments();
case ON_MODULE_MSG:
dbgs() << "' on Module '" << Msg << "'...\n";
break;
+ case ON_REGION_MSG:
+ dbgs() << "' on Region '" << Msg << "'...\n";
+ break;
case ON_LOOP_MSG:
dbgs() << "' on Loop '" << Msg << "'...\n";
break;
for (unsigned i = 0; i != Set.size(); ++i) {
if (i) dbgs() << ',';
const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(Set[i]);
+ if (!PInf) {
+ // Some preserved passes, such as AliasAnalysis, may not be initialized by
+ // all drivers.
+ dbgs() << " Uninitialized Pass";
+ continue;
+ }
dbgs() << ' ' << PInf->getPassName();
}
dbgs() << '\n';
// Destructor
PMDataManager::~PMDataManager() {
- for (SmallVector<Pass *, 8>::iterator I = PassVector.begin(),
+ for (SmallVectorImpl<Pass *>::iterator I = PassVector.begin(),
E = PassVector.end(); I != E; ++I)
delete *I;
}
/// Create new Function pass manager
FunctionPassManager::FunctionPassManager(Module *m) : M(m) {
- FPM = new FunctionPassManagerImpl(0);
+ FPM = new FunctionPassManagerImpl();
// FPM is the top level manager.
FPM->setTopLevelManager(FPM);
bool FunctionPassManagerImpl::run(Function &F) {
bool Changed = false;
TimingInfo::createTheTimeInfo();
+ createDebugInfoProbe();
initializeAllAnalysisInfo();
for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index)
dumpRequiredSet(FP);
initializeAnalysisImpl(FP);
-
+ if (TheDebugProbe)
+ TheDebugProbe->initialize(FP, F);
{
PassManagerPrettyStackEntry X(FP, F);
TimeRegion PassTimer(getPassTimer(FP));
LocalChanged |= FP->runOnFunction(F);
}
+ if (TheDebugProbe)
+ TheDebugProbe->finalize(FP, F);
Changed |= LocalChanged;
if (LocalChanged)
bool Changed = doInitialization(M);
for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
- runOnFunction(*I);
+ Changed |= runOnFunction(*I);
return doFinalization(M) || Changed;
}
FunctionPassManagerImpl *FPP = OnTheFlyManagers[P];
if (!FPP) {
- FPP = new FunctionPassManagerImpl(0);
+ FPP = new FunctionPassManagerImpl();
// FPP is the top level manager.
FPP->setTopLevelManager(FPP);
FPP->add(RequiredPass);
// Register P as the last user of RequiredPass.
- SmallVector<Pass *, 12> LU;
- LU.push_back(RequiredPass);
- FPP->setLastUser(LU, P);
+ if (RequiredPass) {
+ SmallVector<Pass *, 1> LU;
+ LU.push_back(RequiredPass);
+ FPP->setLastUser(LU, P);
+ }
}
/// Return function pass corresponding to PassInfo PI, that is
bool PassManagerImpl::run(Module &M) {
bool Changed = false;
TimingInfo::createTheTimeInfo();
+ createDebugInfoProbe();
dumpArguments();
dumpPasses();
/// Create new pass manager
PassManager::PassManager() {
- PM = new PassManagerImpl(0);
+ PM = new PassManagerImpl();
// PM is the top level manager
PM->setTopLevelManager(PM);
}
// Push PM on the stack and set its top level manager.
void PMStack::push(PMDataManager *PM) {
assert(PM && "Unable to push. Pass Manager expected");
+ assert(PM->getDepth()==0 && "Pass Manager depth set too early");
if (!this->empty()) {
+ assert(PM->getPassManagerType() > this->top()->getPassManagerType()
+ && "pushing bad pass manager to PMStack");
PMTopLevelManager *TPM = this->top()->getTopLevelManager();
assert(TPM && "Unable to find top level manager");
TPM->addIndirectPassManager(PM);
PM->setTopLevelManager(TPM);
+ PM->setDepth(this->top()->getDepth()+1);
+ }
+ else {
+ assert((PM->getPassManagerType() == PMT_ModulePassManager
+ || PM->getPassManagerType() == PMT_FunctionPassManager)
+ && "pushing bad pass manager to PMStack");
+ PM->setDepth(1);
}
S.push_back(PM);
void PMStack::dump() const {
for (std::vector<PMDataManager *>::const_iterator I = S.begin(),
E = S.end(); I != E; ++I)
- printf("%s ", (*I)->getAsPass()->getPassName());
+ dbgs() << (*I)->getAsPass()->getPassName() << ' ';
if (!S.empty())
- printf("\n");
+ dbgs() << '\n';
}
/// Find appropriate Module Pass Manager in the PM Stack and
PMDataManager *PMD = PMS.top();
// [1] Create new Function Pass Manager
- FPP = new FPPassManager(PMD->getDepth() + 1);
+ FPP = new FPPassManager();
FPP->populateInheritedAnalysis(PMS);
// [2] Set up new manager's top level manager
PMDataManager *PMD = PMS.top();
// [1] Create new Basic Block Manager
- BBP = new BBPassManager(PMD->getDepth() + 1);
+ BBP = new BBPassManager();
// [2] Set up new manager's top level manager
// Basic Block Pass Manager does not live by itself
projects / oota-llvm.git / blobdiff