54 cl::desc(
"Print legacy PassManager debugging information"),
57 clEnumVal(Structure,
"print pass structure before run()"),
58 clEnumVal(Executions,
"print pass name before it is executed"),
59 clEnumVal(Details,
"print pass details when it is executed")));
68 Module &M,
StringMap<std::pair<unsigned, unsigned>> &FunctionToInstrCount) {
75 unsigned FCount =
F.getInstructionCount();
82 FunctionToInstrCount[
F.getName().str()] =
83 std::pair<unsigned, unsigned>(FCount, 0);
90 Pass *
P,
Module &M, int64_t Delta,
unsigned CountBefore,
91 StringMap<std::pair<unsigned, unsigned>> &FunctionToInstrCount,
97 if (
P->getAsPMDataManager())
101 bool CouldOnlyImpactOneFunction = (
F !=
nullptr);
104 auto UpdateFunctionChanges =
105 [&FunctionToInstrCount](
Function &MaybeChangedFn) {
107 unsigned FnSize = MaybeChangedFn.getInstructionCount();
108 auto It = FunctionToInstrCount.find(MaybeChangedFn.getName());
112 if (It == FunctionToInstrCount.end()) {
113 FunctionToInstrCount[MaybeChangedFn.getName()] =
114 std::pair<unsigned, unsigned>(0, FnSize);
119 It->second.second = FnSize;
125 if (!CouldOnlyImpactOneFunction)
126 std::for_each(M.begin(), M.end(), UpdateFunctionChanges);
128 UpdateFunctionChanges(*
F);
131 if (!CouldOnlyImpactOneFunction) {
145 int64_t CountAfter =
static_cast<int64_t
>(CountBefore) + Delta;
152 <<
": IR instruction count changed from "
158 F->getContext().diagnose(R);
161 std::string
PassName =
P->getPassName().str();
164 auto EmitFunctionSizeChangedRemark = [&FunctionToInstrCount, &
F, &BB,
166 unsigned FnCountBefore, FnCountAfter;
167 std::pair<unsigned, unsigned> &Change = FunctionToInstrCount[Fname];
168 std::tie(FnCountBefore, FnCountAfter) = Change;
169 int64_t FnDelta =
static_cast<int64_t
>(FnCountAfter) -
170 static_cast<int64_t
>(FnCountBefore);
186 <<
": IR instruction count changed from "
194 F->getContext().diagnose(FR);
197 Change.first = FnCountAfter;
202 if (!CouldOnlyImpactOneFunction)
203 std::for_each(FunctionToInstrCount.keys().begin(),
204 FunctionToInstrCount.keys().end(),
205 EmitFunctionSizeChangedRemark);
207 EmitFunctionSizeChangedRemark(
F->getName().str());
212 OS <<
"Releasing pass '";
214 OS <<
"Running pass '";
228 if (isa<Function>(V))
230 else if (isa<BasicBlock>(V))
251 virtual void anchor();
267 const std::string &Banner)
const override {
296 Info.setPreservesAll();
311void FunctionPassManagerImpl::anchor() {}
319 bool Changed =
false;
325 Changed |= ImPass->doInitialization(M);
334 bool Changed =
false;
340 Changed |= ImPass->doFinalization(M);
360 bool Changed =
false;
365 F.getContext().yield();
390 ~MPPassManager()
override {
391 for (
auto &OnTheFlyManager : OnTheFlyManagers) {
399 const std::string &Banner)
const override {
405 bool runOnModule(
Module &M);
412 Info.setPreservesAll();
438 OnTheFlyManagers.find(MP);
439 if (
I != OnTheFlyManagers.end())
440 I->second->dumpPassStructure(
Offset + 2);
446 assert(
N < PassVector.size() &&
"Pass number out of range!");
460char MPPassManager::ID = 0;
473 virtual void anchor();
487 const std::string &Banner)
const override {
500 Info.setPreservesAll();
511 MPPassManager *MP =
static_cast<MPPassManager *
>(
PassManagers[
N]);
516void PassManagerImpl::anchor() {}
527 bool Changed =
false;
538 Changed |= ImPass->doInitialization(M);
543 M.getContext().yield();
547 Changed |= ImPass->doFinalization(M);
568 if (
P->getResolver())
569 PDepth =
P->getResolver()->getPMDataManager().getDepth();
571 for (
Pass *AP : AnalysisPasses) {
573 auto &LastUserOfAP = LastUser[AP];
575 InversedLastUser[LastUserOfAP].erase(AP);
577 InversedLastUser[
P].insert(AP);
589 assert(AnalysisPass &&
"Expected analysis pass to exist.");
591 assert(AR &&
"Expected analysis resolver to exist.");
594 if (PDepth == APDepth)
596 else if (PDepth > APDepth)
604 if (
P->getResolver())
605 setLastUser(LastPMUses,
P->getResolver()->getPMDataManager().getAsPass());
609 auto &LastUsedByAP = InversedLastUser[AP];
610 for (
Pass *L : LastUsedByAP)
612 InversedLastUser[
P].insert(LastUsedByAP.begin(), LastUsedByAP.end());
613 LastUsedByAP.clear();
620 auto DMI = InversedLastUser.find(
P);
621 if (DMI == InversedLastUser.end())
624 auto &LU = DMI->second;
625 LastUses.
append(LU.begin(), LU.end());
630 auto DMI = AnUsageMap.find(
P);
631 if (DMI != AnUsageMap.end())
632 AnUsage = DMI->second;
641 P->getAnalysisUsage(AU);
643 AUFoldingSetNode* Node =
nullptr;
645 AUFoldingSetNode::Profile(
ID, AU);
650 Node =
new (AUFoldingSetNodeAllocator.
Allocate()) AUFoldingSetNode(AU);
653 assert(Node &&
"cached analysis usage must be non null");
655 AnUsageMap[
P] = &Node->AU;
685 bool checkAnalysis =
true;
686 while (checkAnalysis) {
687 checkAnalysis =
false;
698 dbgs() <<
"Pass '" <<
P->getPassName() <<
"' is not initialized." <<
"\n";
699 dbgs() <<
"Verify if there is a pass dependency cycle." <<
"\n";
700 dbgs() <<
"Required Passes:" <<
"\n";
708 dbgs() <<
"\t" <<
"Error: Required pass not found! Possible causes:" <<
"\n";
709 dbgs() <<
"\t\t" <<
"- Pass misconfiguration (e.g.: missing macros)" <<
"\n";
710 dbgs() <<
"\t\t" <<
"- Corruption of the global PassRegistry" <<
"\n";
715 assert(PI &&
"Expected required passes to be initialized");
717 if (
P->getPotentialPassManagerType () ==
721 else if (
P->getPotentialPassManagerType () >
727 checkAnalysis =
true;
743 DM->initializeAnalysisImpl(
P);
745 DM->recordAvailableAnalysis(IP);
751 P->createPrinterPass(
dbgs(), (
"*** IR Dump Before " +
P->getPassName() +
758 P->assignPassManager(
activeStack, getTopLevelPassManagerType());
762 P->createPrinterPass(
dbgs(), (
"*** IR Dump After " +
P->getPassName() +
775 if (
Pass *
P = ImmutablePassMap.lookup(AID))
784 for (
PMDataManager *IndirectPassManager : IndirectPassManagers)
785 if (
Pass *
P = IndirectPassManager->findAnalysisPass(AID,
false))
792 const PassInfo *&PI = AnalysisPassInfos[AID];
797 "The pass info pointer changed for an analysis ID!");
804 ImmutablePasses.push_back(
P);
810 ImmutablePassMap[AID] =
P;
815 assert(PassInf &&
"Expected all immutable passes to be initialized");
817 ImmutablePassMap[ImmPI->getTypeInfo()] =
P;
835 Manager->getAsPass()->dumpPassStructure(1);
843 dbgs() <<
"Pass Arguments: ";
846 assert(PI &&
"Expected all immutable passes to be initialized");
847 if (!PI->isAnalysisGroup())
848 dbgs() <<
" -" << PI->getPassArgument();
851 PM->dumpPassArguments();
857 PM->initializeAnalysisInfo();
861 IPM->initializeAnalysisInfo();
880 AvailableAnalysis[PI] =
P;
882 assert(!AvailableAnalysis.empty());
889 AvailableAnalysis[PI->getTypeInfo()] =
P;
900 for (
Pass *P1 : HigherLevelAnalysis) {
901 if (P1->getAsImmutablePass() ==
nullptr &&
922 AP->verifyAnalysis();
935 E = AvailableAnalysis.end();
I != E; ) {
937 if (
Info->second->getAsImmutablePass() ==
nullptr &&
942 dbgs() <<
" -- '" <<
P->getPassName() <<
"' is not preserving '";
945 AvailableAnalysis.erase(
Info);
959 if (
Info->second->getAsImmutablePass() ==
nullptr &&
964 dbgs() <<
" -- '" <<
P->getPassName() <<
"' is not preserving '";
986 dbgs() <<
" -*- '" <<
P->getPassName();
987 dbgs() <<
"' is the last user of following pass instances.";
988 dbgs() <<
" Free these instances\n";
991 for (
Pass *
P : DeadPasses)
1010 AvailableAnalysis.erase(PI);
1016 AvailableAnalysis.find(PI->getTypeInfo());
1017 if (Pos != AvailableAnalysis.end() && Pos->second ==
P)
1018 AvailableAnalysis.erase(Pos);
1035 if (!ProcessAnalysis) {
1046 unsigned PDepth = this->
getDepth();
1049 for (
Pass *PUsed : UsedPasses) {
1050 unsigned RDepth = 0;
1052 assert(PUsed->getResolver() &&
"Analysis Resolver is not set");
1054 RDepth =
DM.getDepth();
1056 if (PDepth == RDepth)
1058 else if (PDepth > RDepth) {
1062 HigherLevelAnalysis.push_back(PUsed);
1070 if (!
P->getAsPMDataManager())
1074 if (!TransferLastUses.
empty()) {
1077 TransferLastUses.
clear();
1105 for (
const auto &UsedID : AnUsage->
getUsedSet())
1131 assert(AR &&
"Analysis Resolver is not set");
1143 if (
I != AvailableAnalysis.end())
1166 for (
Pass *
P : LUses) {
1167 dbgs() <<
"--" << std::string(
Offset*2,
' ');
1168 P->dumpPassStructure(0);
1175 PMD->dumpPassArguments();
1179 if (!PI->isAnalysisGroup())
1180 dbgs() <<
" -" << PI->getPassArgument();
1189 dbgs() <<
"[" << std::chrono::system_clock::now() <<
"] " << (
void *)
this
1190 << std::string(
getDepth() * 2 + 1,
' ');
1193 dbgs() <<
"Executing Pass '" <<
P->getPassName();
1196 dbgs() <<
"Made Modification '" <<
P->getPassName();
1199 dbgs() <<
" Freeing Pass '" <<
P->getPassName();
1206 dbgs() <<
"' on Function '" << Msg <<
"'...\n";
1209 dbgs() <<
"' on Module '" << Msg <<
"'...\n";
1212 dbgs() <<
"' on Region '" << Msg <<
"'...\n";
1215 dbgs() <<
"' on Loop '" << Msg <<
"'...\n";
1218 dbgs() <<
"' on Call Graph Nodes '" << Msg <<
"'...\n";
1230 P->getAnalysisUsage(analysisUsage);
1239 P->getAnalysisUsage(analysisUsage);
1248 P->getAnalysisUsage(analysisUsage);
1249 dumpAnalysisUsage(
"Used",
P, analysisUsage.
getUsedSet());
1252void PMDataManager::dumpAnalysisUsage(
StringRef Msg,
const Pass *
P,
1257 dbgs() << (
const void*)
P << std::string(
getDepth()*2+3,
' ') << Msg <<
" Analyses:";
1258 for (
unsigned i = 0; i != Set.
size(); ++i) {
1259 if (i)
dbgs() <<
',';
1264 dbgs() <<
" Uninitialized Pass";
1293 dbgs() <<
"' required by '" <<
P->getPassName() <<
"'\n";
1316std::tuple<Pass *, bool>
1328FunctionPassManager::FunctionPassManager(
Module *m) : M(m) {
1337FunctionPassManager::~FunctionPassManager() {
1351 report_fatal_error(Twine(
"Error reading bitcode file: ") + EIB.message());
1359bool FunctionPassManager::doInitialization() {
1365bool FunctionPassManager::doFinalization() {
1376 assert(AR &&
"Analysis Resolver is not set");
1400 if (
F.isDeclaration())
1403 bool Changed =
false;
1410 bool EmitICRemark = M.shouldEmitInstrCountChangedRemark();
1414 FunctionSize =
F.getInstructionCount();
1420 "OptFunction", [&
F]() {
return demangle(
F.getName().str()); });
1424 bool LocalChanged =
false;
1429 "RunPass", [
FP]() {
return std::string(
FP->getPassName()); });
1439#ifdef EXPENSIVE_CHECKS
1442 LocalChanged |=
FP->runOnFunction(
F);
1444#if defined(EXPENSIVE_CHECKS) && !defined(NDEBUG)
1445 if (!LocalChanged && (RefHash !=
FP->structuralHash(
F))) {
1446 llvm::errs() <<
"Pass modifies its input and doesn't report it: "
1447 <<
FP->getPassName() <<
"\n";
1453 unsigned NewSize =
F.getInstructionCount();
1457 if (NewSize != FunctionSize) {
1458 int64_t Delta =
static_cast<int64_t
>(NewSize) -
1459 static_cast<int64_t
>(FunctionSize);
1461 FunctionToInstrCount, &
F);
1463 FunctionSize = NewSize;
1468 Changed |= LocalChanged;
1485 bool Changed =
false;
1494 bool Changed =
false;
1503 bool Changed =
false;
1518MPPassManager::runOnModule(
Module &M) {
1521 bool Changed =
false;
1524 for (
auto &OnTheFlyManager : OnTheFlyManagers) {
1531 Changed |= getContainedPass(
Index)->doInitialization(M);
1535 bool EmitICRemark = M.shouldEmitInstrCountChangedRemark();
1538 InstrCount = initSizeRemarkInfo(M, FunctionToInstrCount);
1542 bool LocalChanged =
false;
1545 dumpRequiredSet(MP);
1547 initializeAnalysisImpl(MP);
1553#ifdef EXPENSIVE_CHECKS
1554 uint64_t RefHash = MP->structuralHash(M);
1559#ifdef EXPENSIVE_CHECKS
1560 assert((LocalChanged || (RefHash == MP->structuralHash(M))) &&
1561 "Pass modifies its input and doesn't report it.");
1566 unsigned ModuleCount = M.getInstructionCount();
1568 int64_t Delta =
static_cast<int64_t
>(ModuleCount) -
1570 emitInstrCountChangedRemark(MP, M, Delta,
InstrCount,
1571 FunctionToInstrCount);
1577 Changed |= LocalChanged;
1580 M.getModuleIdentifier());
1581 dumpPreservedSet(MP);
1584 verifyPreservedAnalysis(MP);
1586 removeNotPreservedAnalysis(MP);
1587 recordAvailableAnalysis(MP);
1593 Changed |= getContainedPass(
Index)->doFinalization(M);
1596 for (
auto &OnTheFlyManager : OnTheFlyManagers) {
1610void MPPassManager::addLowerLevelRequiredPass(
Pass *
P,
Pass *RequiredPass) {
1611 assert(RequiredPass &&
"No required pass?");
1613 "Unable to handle Pass that requires lower level Analysis pass");
1614 assert((
P->getPotentialPassManagerType() <
1616 "Unable to handle Pass that requires lower level Analysis pass");
1624 OnTheFlyManagers[
P] = FPP;
1627 TPM->findAnalysisPassInfo(RequiredPass->
getPassID());
1629 Pass *FoundPass =
nullptr;
1630 if (RequiredPassPI && RequiredPassPI->
isAnalysis()) {
1635 FoundPass = RequiredPass;
1638 FPP->
add(RequiredPass);
1649std::tuple<Pass *, bool> MPPassManager::getOnTheFlyPass(
Pass *MP,
AnalysisID PI,
1652 assert(FPP &&
"Unable to find on the fly pass");
1655 bool Changed = FPP->
run(
F);
1704 assert(PM &&
"Unable to push. Pass Manager expected");
1707 if (!this->
empty()) {
1709 &&
"pushing bad pass manager to PMStack");
1712 assert(TPM &&
"Unable to find top level manager");
1719 &&
"pushing bad pass manager to PMStack");
1729 dbgs() << Manager->getAsPass()->getPassName() <<
' ';
AMDGPU Lower Kernel Arguments
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.
cl::opt< bool > UseNewDbgInfoFormat
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.
llvm::cl::opt< bool > UseNewDbgInfoFormat
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...
The TimeTraceScope is a helper class to call the begin and end functions of the time trace profiler.
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.
std::string demangle(std::string_view MangledName)
Attempt to demangle a string using different demangling schemes.
Used in the streaming interface as the general argument type.