52 cl::desc(
"Print legacy PassManager debugging information"),
55 clEnumVal(Structure,
"print pass structure before run()"),
56 clEnumVal(Executions,
"print pass name before it is executed"),
57 clEnumVal(Details,
"print pass details when it is executed")));
66 Module &M,
StringMap<std::pair<unsigned, unsigned>> &FunctionToInstrCount) {
73 unsigned FCount =
F.getInstructionCount();
80 FunctionToInstrCount[
F.getName().str()] =
81 std::pair<unsigned, unsigned>(FCount, 0);
88 Pass *
P,
Module &M, int64_t Delta,
unsigned CountBefore,
89 StringMap<std::pair<unsigned, unsigned>> &FunctionToInstrCount,
95 if (
P->getAsPMDataManager())
99 bool CouldOnlyImpactOneFunction = (
F !=
nullptr);
102 auto UpdateFunctionChanges =
103 [&FunctionToInstrCount](
Function &MaybeChangedFn) {
105 unsigned FnSize = MaybeChangedFn.getInstructionCount();
106 auto It = FunctionToInstrCount.find(MaybeChangedFn.getName());
110 if (It == FunctionToInstrCount.end()) {
111 FunctionToInstrCount[MaybeChangedFn.getName()] =
112 std::pair<unsigned, unsigned>(0, FnSize);
117 It->second.second = FnSize;
123 if (!CouldOnlyImpactOneFunction)
124 std::for_each(M.begin(), M.end(), UpdateFunctionChanges);
126 UpdateFunctionChanges(*
F);
129 if (!CouldOnlyImpactOneFunction) {
143 int64_t CountAfter =
static_cast<int64_t
>(CountBefore) + Delta;
150 <<
": IR instruction count changed from "
156 F->getContext().diagnose(R);
159 std::string
PassName =
P->getPassName().str();
162 auto EmitFunctionSizeChangedRemark = [&FunctionToInstrCount, &
F, &BB,
164 unsigned FnCountBefore, FnCountAfter;
165 std::pair<unsigned, unsigned> &Change = FunctionToInstrCount[Fname];
166 std::tie(FnCountBefore, FnCountAfter) = Change;
167 int64_t FnDelta =
static_cast<int64_t
>(FnCountAfter) -
168 static_cast<int64_t
>(FnCountBefore);
184 <<
": IR instruction count changed from "
192 F->getContext().diagnose(FR);
195 Change.first = FnCountAfter;
200 if (!CouldOnlyImpactOneFunction)
201 std::for_each(FunctionToInstrCount.keys().begin(),
202 FunctionToInstrCount.keys().end(),
203 EmitFunctionSizeChangedRemark);
205 EmitFunctionSizeChangedRemark(
F->getName().str());
210 OS <<
"Releasing pass '";
212 OS <<
"Running pass '";
226 if (isa<Function>(V))
228 else if (isa<BasicBlock>(V))
249 virtual void anchor();
265 const std::string &Banner)
const override {
294 Info.setPreservesAll();
309void FunctionPassManagerImpl::anchor() {}
317 bool Changed =
false;
323 Changed |= ImPass->doInitialization(M);
332 bool Changed =
false;
338 Changed |= ImPass->doFinalization(M);
358 bool Changed =
false;
363 F.getContext().yield();
388 ~MPPassManager()
override {
389 for (
auto &OnTheFlyManager : OnTheFlyManagers) {
397 const std::string &Banner)
const override {
403 bool runOnModule(
Module &M);
410 Info.setPreservesAll();
436 OnTheFlyManagers.find(MP);
437 if (
I != OnTheFlyManagers.end())
438 I->second->dumpPassStructure(
Offset + 2);
444 assert(
N < PassVector.size() &&
"Pass number out of range!");
458char MPPassManager::ID = 0;
471 virtual void anchor();
485 const std::string &Banner)
const override {
498 Info.setPreservesAll();
509 MPPassManager *MP =
static_cast<MPPassManager *
>(
PassManagers[
N]);
514void PassManagerImpl::anchor() {}
525 bool Changed =
false;
531 Changed |= ImPass->doInitialization(M);
536 M.getContext().yield();
540 Changed |= ImPass->doFinalization(M);
561 if (
P->getResolver())
562 PDepth =
P->getResolver()->getPMDataManager().getDepth();
564 for (
Pass *AP : AnalysisPasses) {
566 auto &LastUserOfAP = LastUser[AP];
568 InversedLastUser[LastUserOfAP].erase(AP);
570 InversedLastUser[
P].insert(AP);
582 assert(AnalysisPass &&
"Expected analysis pass to exist.");
584 assert(AR &&
"Expected analysis resolver to exist.");
587 if (PDepth == APDepth)
589 else if (PDepth > APDepth)
597 if (
P->getResolver())
598 setLastUser(LastPMUses,
P->getResolver()->getPMDataManager().getAsPass());
602 auto &LastUsedByAP = InversedLastUser[AP];
603 for (
Pass *L : LastUsedByAP)
605 InversedLastUser[
P].insert(LastUsedByAP.begin(), LastUsedByAP.end());
606 LastUsedByAP.clear();
613 auto DMI = InversedLastUser.find(
P);
614 if (DMI == InversedLastUser.end())
617 auto &LU = DMI->second;
618 LastUses.
append(LU.begin(), LU.end());
623 auto DMI = AnUsageMap.find(
P);
624 if (DMI != AnUsageMap.end())
625 AnUsage = DMI->second;
634 P->getAnalysisUsage(AU);
636 AUFoldingSetNode* Node =
nullptr;
638 AUFoldingSetNode::Profile(
ID, AU);
643 Node =
new (AUFoldingSetNodeAllocator.
Allocate()) AUFoldingSetNode(AU);
646 assert(Node &&
"cached analysis usage must be non null");
648 AnUsageMap[
P] = &Node->AU;
678 bool checkAnalysis =
true;
679 while (checkAnalysis) {
680 checkAnalysis =
false;
691 dbgs() <<
"Pass '" <<
P->getPassName() <<
"' is not initialized." <<
"\n";
692 dbgs() <<
"Verify if there is a pass dependency cycle." <<
"\n";
693 dbgs() <<
"Required Passes:" <<
"\n";
701 dbgs() <<
"\t" <<
"Error: Required pass not found! Possible causes:" <<
"\n";
702 dbgs() <<
"\t\t" <<
"- Pass misconfiguration (e.g.: missing macros)" <<
"\n";
703 dbgs() <<
"\t\t" <<
"- Corruption of the global PassRegistry" <<
"\n";
708 assert(PI &&
"Expected required passes to be initialized");
710 if (
P->getPotentialPassManagerType () ==
714 else if (
P->getPotentialPassManagerType () >
720 checkAnalysis =
true;
736 DM->initializeAnalysisImpl(
P);
738 DM->recordAvailableAnalysis(IP);
744 P->createPrinterPass(
dbgs(), (
"*** IR Dump Before " +
P->getPassName() +
751 P->assignPassManager(
activeStack, getTopLevelPassManagerType());
755 P->createPrinterPass(
dbgs(), (
"*** IR Dump After " +
P->getPassName() +
768 if (
Pass *
P = ImmutablePassMap.lookup(AID))
777 for (
PMDataManager *IndirectPassManager : IndirectPassManagers)
778 if (
Pass *
P = IndirectPassManager->findAnalysisPass(AID,
false))
785 const PassInfo *&PI = AnalysisPassInfos[AID];
790 "The pass info pointer changed for an analysis ID!");
797 ImmutablePasses.push_back(
P);
803 ImmutablePassMap[AID] =
P;
808 assert(PassInf &&
"Expected all immutable passes to be initialized");
810 ImmutablePassMap[ImmPI->getTypeInfo()] =
P;
820 for (
unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) {
821 ImmutablePasses[i]->dumpPassStructure(0);
829 Manager->getAsPass()->dumpPassStructure(1);
837 dbgs() <<
"Pass Arguments: ";
840 assert(PI &&
"Expected all immutable passes to be initialized");
841 if (!PI->isAnalysisGroup())
842 dbgs() <<
" -" << PI->getPassArgument();
845 PM->dumpPassArguments();
851 PM->initializeAnalysisInfo();
855 IPM->initializeAnalysisInfo();
874 AvailableAnalysis[PI] =
P;
876 assert(!AvailableAnalysis.empty());
883 AvailableAnalysis[PI->getTypeInfo()] =
P;
894 for (
Pass *P1 : HigherLevelAnalysis) {
895 if (P1->getAsImmutablePass() ==
nullptr &&
916 AP->verifyAnalysis();
929 E = AvailableAnalysis.end();
I !=
E; ) {
931 if (
Info->second->getAsImmutablePass() ==
nullptr &&
936 dbgs() <<
" -- '" <<
P->getPassName() <<
"' is not preserving '";
939 AvailableAnalysis.erase(
Info);
953 if (
Info->second->getAsImmutablePass() ==
nullptr &&
958 dbgs() <<
" -- '" <<
P->getPassName() <<
"' is not preserving '";
980 dbgs() <<
" -*- '" <<
P->getPassName();
981 dbgs() <<
"' is the last user of following pass instances.";
982 dbgs() <<
" Free these instances\n";
985 for (
Pass *
P : DeadPasses)
1004 AvailableAnalysis.erase(PI);
1010 AvailableAnalysis.find(PI->getTypeInfo());
1011 if (Pos != AvailableAnalysis.end() && Pos->second ==
P)
1012 AvailableAnalysis.erase(Pos);
1029 if (!ProcessAnalysis) {
1040 unsigned PDepth = this->
getDepth();
1043 for (
Pass *PUsed : UsedPasses) {
1044 unsigned RDepth = 0;
1046 assert(PUsed->getResolver() &&
"Analysis Resolver is not set");
1048 RDepth =
DM.getDepth();
1050 if (PDepth == RDepth)
1052 else if (PDepth > RDepth) {
1056 HigherLevelAnalysis.push_back(PUsed);
1064 if (!
P->getAsPMDataManager())
1068 if (!TransferLastUses.
empty()) {
1071 TransferLastUses.
clear();
1099 for (
const auto &UsedID : AnUsage->
getUsedSet())
1125 assert(AR &&
"Analysis Resolver is not set");
1137 if (
I != AvailableAnalysis.end())
1160 for (
Pass *
P : LUses) {
1161 dbgs() <<
"--" << std::string(
Offset*2,
' ');
1162 P->dumpPassStructure(0);
1169 PMD->dumpPassArguments();
1173 if (!PI->isAnalysisGroup())
1174 dbgs() <<
" -" << PI->getPassArgument();
1183 dbgs() <<
"[" << std::chrono::system_clock::now() <<
"] " << (
void *)
this
1184 << std::string(
getDepth() * 2 + 1,
' ');
1187 dbgs() <<
"Executing Pass '" <<
P->getPassName();
1190 dbgs() <<
"Made Modification '" <<
P->getPassName();
1193 dbgs() <<
" Freeing Pass '" <<
P->getPassName();
1200 dbgs() <<
"' on Function '" << Msg <<
"'...\n";
1203 dbgs() <<
"' on Module '" << Msg <<
"'...\n";
1206 dbgs() <<
"' on Region '" << Msg <<
"'...\n";
1209 dbgs() <<
"' on Loop '" << Msg <<
"'...\n";
1212 dbgs() <<
"' on Call Graph Nodes '" << Msg <<
"'...\n";
1224 P->getAnalysisUsage(analysisUsage);
1233 P->getAnalysisUsage(analysisUsage);
1242 P->getAnalysisUsage(analysisUsage);
1243 dumpAnalysisUsage(
"Used",
P, analysisUsage.
getUsedSet());
1246void PMDataManager::dumpAnalysisUsage(
StringRef Msg,
const Pass *
P,
1251 dbgs() << (
const void*)
P << std::string(
getDepth()*2+3,
' ') << Msg <<
" Analyses:";
1252 for (
unsigned i = 0; i != Set.
size(); ++i) {
1253 if (i)
dbgs() <<
',';
1258 dbgs() <<
" Uninitialized Pass";
1287 dbgs() <<
"' required by '" <<
P->getPassName() <<
"'\n";
1310std::tuple<Pass *, bool>
1322FunctionPassManager::FunctionPassManager(
Module *m) : M(m) {
1331FunctionPassManager::~FunctionPassManager() {
1345 report_fatal_error(Twine(
"Error reading bitcode file: ") + EIB.message());
1353bool FunctionPassManager::doInitialization() {
1359bool FunctionPassManager::doFinalization() {
1370 assert(AR &&
"Analysis Resolver is not set");
1394 if (
F.isDeclaration())
1397 bool Changed =
false;
1404 bool EmitICRemark = M.shouldEmitInstrCountChangedRemark();
1408 FunctionSize =
F.getInstructionCount();
1417 bool LocalChanged =
false;
1422 "RunPass", [
FP]() {
return std::string(
FP->getPassName()); });
1432#ifdef EXPENSIVE_CHECKS
1435 LocalChanged |=
FP->runOnFunction(
F);
1437#if defined(EXPENSIVE_CHECKS) && !defined(NDEBUG)
1438 if (!LocalChanged && (RefHash !=
FP->structuralHash(
F))) {
1439 llvm::errs() <<
"Pass modifies its input and doesn't report it: "
1440 <<
FP->getPassName() <<
"\n";
1446 unsigned NewSize =
F.getInstructionCount();
1450 if (NewSize != FunctionSize) {
1451 int64_t Delta =
static_cast<int64_t
>(NewSize) -
1452 static_cast<int64_t
>(FunctionSize);
1454 FunctionToInstrCount, &
F);
1456 FunctionSize = NewSize;
1461 Changed |= LocalChanged;
1478 bool Changed =
false;
1487 bool Changed =
false;
1496 bool Changed =
false;
1511MPPassManager::runOnModule(
Module &M) {
1514 bool Changed =
false;
1517 for (
auto &OnTheFlyManager : OnTheFlyManagers) {
1524 Changed |= getContainedPass(
Index)->doInitialization(M);
1528 bool EmitICRemark = M.shouldEmitInstrCountChangedRemark();
1531 InstrCount = initSizeRemarkInfo(M, FunctionToInstrCount);
1535 bool LocalChanged =
false;
1538 dumpRequiredSet(MP);
1540 initializeAnalysisImpl(MP);
1546#ifdef EXPENSIVE_CHECKS
1547 uint64_t RefHash = MP->structuralHash(M);
1552#ifdef EXPENSIVE_CHECKS
1553 assert((LocalChanged || (RefHash == MP->structuralHash(M))) &&
1554 "Pass modifies its input and doesn't report it.");
1559 unsigned ModuleCount = M.getInstructionCount();
1561 int64_t Delta =
static_cast<int64_t
>(ModuleCount) -
1563 emitInstrCountChangedRemark(MP, M, Delta,
InstrCount,
1564 FunctionToInstrCount);
1570 Changed |= LocalChanged;
1573 M.getModuleIdentifier());
1574 dumpPreservedSet(MP);
1577 verifyPreservedAnalysis(MP);
1579 removeNotPreservedAnalysis(MP);
1580 recordAvailableAnalysis(MP);
1586 Changed |= getContainedPass(
Index)->doFinalization(M);
1589 for (
auto &OnTheFlyManager : OnTheFlyManagers) {
1603void MPPassManager::addLowerLevelRequiredPass(
Pass *
P,
Pass *RequiredPass) {
1604 assert(RequiredPass &&
"No required pass?");
1606 "Unable to handle Pass that requires lower level Analysis pass");
1607 assert((
P->getPotentialPassManagerType() <
1609 "Unable to handle Pass that requires lower level Analysis pass");
1617 OnTheFlyManagers[
P] = FPP;
1620 TPM->findAnalysisPassInfo(RequiredPass->
getPassID());
1622 Pass *FoundPass =
nullptr;
1623 if (RequiredPassPI && RequiredPassPI->
isAnalysis()) {
1628 FoundPass = RequiredPass;
1631 FPP->
add(RequiredPass);
1642std::tuple<Pass *, bool> MPPassManager::getOnTheFlyPass(
Pass *MP,
AnalysisID PI,
1645 assert(FPP &&
"Unable to find on the fly pass");
1648 bool Changed = FPP->
run(
F);
1697 assert(PM &&
"Unable to push. Pass Manager expected");
1700 if (!this->
empty()) {
1702 &&
"pushing bad pass manager to PMStack");
1705 assert(TPM &&
"Unable to find top level manager");
1712 &&
"pushing bad pass manager to PMStack");
1722 dbgs() << Manager->getAsPass()->getPassName() <<
' ';
AMDGPU Lower Kernel Arguments
static GCRegistry::Add< CoreCLRGC > E("coreclr", "CoreCLR-compatible GC")
Analysis containing CSE Info
#define clEnumVal(ENUMVAL, DESC)
#define LLVM_DUMP_METHOD
Mark debug helper function definitions like dump() that should not be stripped from debug builds.
static unsigned InstrCount
static RegisterPass< DebugifyModulePass > DM("debugify", "Attach debug info to everything")
static GCMetadataPrinterRegistry::Add< ErlangGCPrinter > X("erlang", "erlang-compatible garbage collector")
This file contains an interface for creating legacy passes to print out IR in various granularities.
static cl::opt< enum PassDebugLevel > PassDebugging("debug-pass", cl::Hidden, cl::desc("Print legacy PassManager debugging information"), cl::values(clEnumVal(Disabled, "disable debug output"), clEnumVal(Arguments, "print pass arguments to pass to 'opt'"), clEnumVal(Structure, "print pass structure before run()"), clEnumVal(Executions, "print pass name before it is executed"), clEnumVal(Details, "print pass details when it is executed")))
This file implements a map that provides insertion order iteration.
Module.h This file contains the declarations for the Module class.
This header defines classes/functions to handle pass execution timing information with interfaces for...
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
static const PassInfo * getPassInfo(StringRef PassName)
static const char PassName[]
AnalysisResolver - Simple interface used by Pass objects to pull all analysis information out of pass...
void addAnalysisImplsPair(AnalysisID PI, Pass *P)
Pass * findImplPass(AnalysisID PI)
Find pass that is implementing PI.
PMDataManager & getPMDataManager()
void clearAnalysisImpls()
Clear cache that is used to connect a pass to the analysis (PassInfo).
Pass * getAnalysisIfAvailable(AnalysisID ID) const
Return analysis result or null if it doesn't exist.
Represent the analysis usage information of a pass.
const VectorType & getRequiredSet() const
const VectorType & getRequiredTransitiveSet() const
const VectorType & getUsedSet() const
bool getPreservesAll() const
Determine whether a pass said it does not transform its input at all.
const VectorType & getPreservedSet() const
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
LLVM Basic Block Representation.
Base class for error info classes.
FPPassManager manages BBPassManagers and FunctionPasses.
bool runOnFunction(Function &F)
run - Execute all of the passes scheduled for execution.
bool doInitialization(Module &M) override
doInitialization - Run all of the initializers for the function passes.
bool doFinalization(Module &M) override
doFinalization - Run all of the finalizers for the function passes.
FunctionPass * getContainedPass(unsigned N)
void dumpPassStructure(unsigned Offset) override
Print passes managed by this manager.
bool runOnModule(Module &M) override
runOnModule - Virtual method overriden by subclasses to process the module being operated on.
void cleanup()
cleanup - After running all passes, clean up pass manager cache.
void InsertNode(T *N, void *InsertPos)
InsertNode - Insert the specified node into the folding set, knowing that it is not already in the fo...
T * FindNodeOrInsertPos(const FoldingSetNodeID &ID, void *&InsertPos)
FindNodeOrInsertPos - Look up the node specified by ID.
FoldingSetNodeID - This class is used to gather all the unique data bits of a node.
FunctionPass class - This class is used to implement most global optimizations.
void assignPassManager(PMStack &PMS, PassManagerType T) override
Find appropriate Function Pass Manager or Call Graph Pass Manager in the PM Stack and add self into t...
ImmutablePass class - This class is used to provide information that does not need to be run.
This class implements a map that also provides access to all stored values in a deterministic order.
typename VectorType::const_iterator const_iterator
ModulePass class - This class is used to implement unstructured interprocedural optimizations and ana...
void assignPassManager(PMStack &PMS, PassManagerType T) override
Find appropriate Module Pass Manager in the PM Stack and add self into that manager.
virtual bool runOnModule(Module &M)=0
runOnModule - Virtual method overriden by subclasses to process the module being operated on.
A Module instance is used to store all the information related to an LLVM module.
const std::string & getModuleIdentifier() const
Get the module identifier which is, essentially, the name of the module.
PMDataManager provides the common place to manage the analysis data used by pass managers.
void dumpPassArguments() const
void removeDeadPasses(Pass *P, StringRef Msg, enum PassDebuggingString)
Remove dead passes used by P.
void dumpLastUses(Pass *P, unsigned Offset) const
virtual Pass * getAsPass()=0
virtual std::tuple< Pass *, bool > getOnTheFlyPass(Pass *P, AnalysisID PI, Function &F)
void setDepth(unsigned newDepth)
void recordAvailableAnalysis(Pass *P)
Augment AvailableAnalysis by adding analysis made available by pass P.
Pass * findAnalysisPass(AnalysisID AID, bool Direction)
Find the pass that implements Analysis AID.
bool isPassDebuggingExecutionsOrMore() const
isPassDebuggingExecutionsOrMore - Return true if -debug-pass=Executions or higher is specified.
unsigned getDepth() const
SmallVector< Pass *, 16 > PassVector
DenseMap< AnalysisID, Pass * > * InheritedAnalysis[PMT_Last]
virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass)
Add RequiredPass into list of lower level passes required by pass P.
PMTopLevelManager * getTopLevelManager()
unsigned initSizeRemarkInfo(Module &M, StringMap< std::pair< unsigned, unsigned > > &FunctionToInstrCount)
Set the initial size of the module if the user has specified that they want remarks for size.
void setTopLevelManager(PMTopLevelManager *T)
void dumpRequiredSet(const Pass *P) const
void initializeAnalysisImpl(Pass *P)
All Required analyses should be available to the pass as it runs! Here we fill in the AnalysisImpls m...
void verifyPreservedAnalysis(Pass *P)
verifyPreservedAnalysis – Verify analysis presreved by pass P.
void initializeAnalysisInfo()
Initialize available analysis information.
void freePass(Pass *P, StringRef Msg, enum PassDebuggingString)
Remove P.
bool preserveHigherLevelAnalysis(Pass *P)
unsigned getNumContainedPasses() const
virtual PassManagerType getPassManagerType() const
void emitInstrCountChangedRemark(Pass *P, Module &M, int64_t Delta, unsigned CountBefore, StringMap< std::pair< unsigned, unsigned > > &FunctionToInstrCount, Function *F=nullptr)
Emit a remark signifying that the number of IR instructions in the module changed.
void add(Pass *P, bool ProcessAnalysis=true)
Add pass P into the PassVector.
void collectRequiredAndUsedAnalyses(SmallVectorImpl< Pass * > &UsedPasses, SmallVectorImpl< AnalysisID > &ReqPassNotAvailable, Pass *P)
Populate UsedPasses with analysis pass that are used or required by pass P and are available.
void populateInheritedAnalysis(PMStack &PMS)
void dumpPreservedSet(const Pass *P) const
void dumpUsedSet(const Pass *P) const
void removeNotPreservedAnalysis(Pass *P)
Remove Analysis that is not preserved by the pass.
void dumpPassInfo(Pass *P, enum PassDebuggingString S1, enum PassDebuggingString S2, StringRef Msg)
PMStack - This class implements a stack data structure of PMDataManager pointers.
PMDataManager * top() const
void push(PMDataManager *PM)
PMTopLevelManager manages LastUser info and collects common APIs used by top level pass managers.
void addIndirectPassManager(PMDataManager *Manager)
void addImmutablePass(ImmutablePass *P)
Add immutable pass and initialize it.
const PassInfo * findAnalysisPassInfo(AnalysisID AID) const
Retrieve the PassInfo for an analysis.
void setLastUser(ArrayRef< Pass * > AnalysisPasses, Pass *P)
Set pass P as the last user of the given analysis passes.
virtual ~PMTopLevelManager()
Destructor.
void schedulePass(Pass *P)
Schedule pass P for execution.
SmallVector< PMDataManager *, 8 > PassManagers
Collection of pass managers.
Pass * findAnalysisPass(AnalysisID AID)
Find the pass that implements Analysis AID.
void dumpArguments() const
AnalysisUsage * findAnalysisUsage(Pass *P)
Find analysis usage information for the pass P.
void addPassManager(PMDataManager *Manager)
unsigned getNumContainedManagers() const
void initializeAllAnalysisInfo()
SmallVectorImpl< ImmutablePass * > & getImmutablePasses()
PMTopLevelManager(PMDataManager *PMDM)
Initialize top level manager. Create first pass manager.
void collectLastUses(SmallVectorImpl< Pass * > &LastUses, Pass *P)
Collect passes whose last user is P.
PassInfo class - An instance of this class exists for every pass known by the system,...
const std::vector< const PassInfo * > & getInterfacesImplemented() const
getInterfacesImplemented - Return a list of all of the analysis group interfaces implemented by this ...
StringRef getPassArgument() const
getPassArgument - Return the command line option that may be passed to 'opt' that will cause this pas...
StringRef getPassName() const
getPassName - Return the friendly name for the pass, never returns null
Pass * createPass() const
createPass() - Use this method to create an instance of this pass.
PassManagerPrettyStackEntry - This is used to print informative information about what pass is runnin...
void print(raw_ostream &OS) const override
print - Emit information about this stack frame to OS.
Manages a sequence of passes over a particular unit of IR.
PreservedAnalyses run(Function &IR, AnalysisManager< Function > &AM, ExtraArgTs... ExtraArgs)
Run all of the passes in this manager over the given unit of IR.
static PassRegistry * getPassRegistry()
getPassRegistry - Access the global registry object, which is automatically initialized at applicatio...
const PassInfo * getPassInfo(const void *TI) const
getPassInfo - Look up a pass' corresponding PassInfo, indexed by the pass' type identifier (&MyPass::...
Pass interface - Implemented by all 'passes'.
virtual PassManagerType getPotentialPassManagerType() const
Return what kind of Pass Manager can manage this pass.
void setResolver(AnalysisResolver *AR)
virtual PMDataManager * getAsPMDataManager()
AnalysisID getPassID() const
getPassID - Return the PassID number that corresponds to this pass.
virtual void getAnalysisUsage(AnalysisUsage &) const
getAnalysisUsage - This function should be overriden by passes that need analysis information to do t...
virtual void assignPassManager(PMStack &, PassManagerType)
Each pass is responsible for assigning a pass manager to itself.
AnalysisResolver * getResolver() const
virtual bool doInitialization(Module &)
doInitialization - Virtual method overridden by subclasses to do any necessary initialization before ...
virtual Pass * createPrinterPass(raw_ostream &OS, const std::string &Banner) const =0
createPrinterPass - Get a Pass appropriate to print the IR this pass operates on (Module,...
virtual bool doFinalization(Module &)
doFinalization - Virtual method overriden by subclasses to do any necessary clean up after all passes...
virtual void dumpPassStructure(unsigned Offset=0)
virtual StringRef getPassName() const
getPassName - Return a nice clean name for a pass.
virtual void releaseMemory()
releaseMemory() - This member can be implemented by a pass if it wants to be able to release its memo...
void append(ItTy in_start, ItTy in_end)
Add the specified range to the end of the SmallVector.
void push_back(const T &Elt)
This is a 'vector' (really, a variable-sized array), optimized for the case when the array is small.
T * Allocate(size_t num=1)
Allocate space for an array of objects without constructing them.
StringMap - This is an unconventional map that is specialized for handling keys that are "strings",...
StringRef - Represent a constant reference to a string, i.e.
The TimeRegion class is used as a helper class to call the startTimer() and stopTimer() methods of th...
void printAsOperand(raw_ostream &O, bool PrintType=true, const Module *M=nullptr) const
Print the name of this Value out to the specified raw_ostream.
FunctionPassManagerImpl manages FPPassManagers.
Pass * createPrinterPass(raw_ostream &O, const std::string &Banner) const override
createPrinterPass - Get a function printer pass.
FPPassManager * getContainedManager(unsigned N)
FunctionPassManagerImpl()
void releaseMemoryOnTheFly()
bool doInitialization(Module &M) override
doInitialization - Run all of the initializers for the function passes.
PMDataManager * getAsPMDataManager() override
void dumpPassStructure(unsigned Offset) override
Pass * getAsPass() override
bool run(Function &F)
run - Execute all of the passes scheduled for execution.
bool doFinalization(Module &M) override
doFinalization - Run all of the finalizers for the function passes.
PassManagerType getTopLevelPassManagerType() override
void getAnalysisUsage(AnalysisUsage &Info) const override
Pass Manager itself does not invalidate any analysis info.
virtual ~PassManagerBase()
PassManagerImpl manages MPPassManagers.
PassManagerType getTopLevelPassManagerType() override
void getAnalysisUsage(AnalysisUsage &Info) const override
Pass Manager itself does not invalidate any analysis info.
void add(Pass *P)
Add a pass to the queue of passes to run.
Pass * getAsPass() override
bool run(Module &M)
run - Execute all of the passes scheduled for execution.
PMDataManager * getAsPMDataManager() override
MPPassManager * getContainedManager(unsigned N)
Pass * createPrinterPass(raw_ostream &O, const std::string &Banner) const override
createPrinterPass - Get a module printer pass.
void add(Pass *P) override
Add a pass to the queue of passes to run.
bool run(Module &M)
run - Execute all of the passes scheduled for execution.
PassManager()
Create new pass manager.
This class implements an extremely fast bulk output stream that can only output to a stream.
raw_ostream & indent(unsigned NumSpaces)
indent - Insert 'NumSpaces' spaces.
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
unsigned ID
LLVM IR allows to use arbitrary numbers as calling convention identifiers.
ValuesClass values(OptsTy... Options)
Helper to build a ValuesClass by forwarding a variable number of arguments as an initializer list to ...
bool debugPassSpecified()
This is an optimization pass for GlobalISel generic memory operations.
void handleAllErrors(Error E, HandlerTs &&... Handlers)
Behaves the same as handleErrors, except that by contract all errors must be handled by the given han...
PassManagerType
Different types of internal pass managers.
@ PMT_ModulePassManager
MPPassManager.
@ PMT_FunctionPassManager
FPPassManager.
Timer * getPassTimer(Pass *)
Request the timer for this legacy-pass-manager's pass instance.
raw_ostream & dbgs()
dbgs() - This returns a reference to a raw_ostream for debugging messages.
raw_fd_ostream & errs()
This returns a reference to a raw_ostream for standard error.
auto find_if(R &&Range, UnaryPredicate P)
Provide wrappers to std::find_if which take ranges instead of having to pass begin/end explicitly.
ModulePass * createPrintModulePass(raw_ostream &OS, const std::string &Banner="", bool ShouldPreserveUseListOrder=false)
Create and return a pass that writes the module to the specified raw_ostream.
bool is_contained(R &&Range, const E &Element)
Returns true if Element is found in Range.
bool shouldPrintBeforePass(StringRef PassID)
bool shouldPrintAfterPass(StringRef PassID)
FunctionPass * createPrintFunctionPass(raw_ostream &OS, const std::string &Banner="")
Create and return a pass that prints functions to the specified raw_ostream as they are processed.
Used in the streaming interface as the general argument type.
The TimeTraceScope is a helper class to call the begin and end functions of the time trace profiler.