FPPassManager manages BBPassManagers and FunctionPasses. More...

#include "llvm/IR/LegacyPassManagers.h"

Inheritance diagram for llvm::FPPassManager:

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Public Member Functions
	FPPassManager ()

bool	runOnFunction (Function &F)
	run - Execute all of the passes scheduled for execution.

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.

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.

PMDataManager *	getAsPMDataManager () override

Pass *	getAsPass () override

void	getAnalysisUsage (AnalysisUsage &Info) const override
	Pass Manager itself does not invalidate any analysis info.

void	dumpPassStructure (unsigned Offset) override
	Print passes managed by this manager.

StringRef	getPassName () const override
	getPassName - Return a nice clean name for a pass.

FunctionPass *	getContainedPass (unsigned N)

PassManagerType	getPassManagerType () const override

Public Member Functions inherited from llvm::ModulePass
	ModulePass (char &pid)

	~ModulePass () override

Pass *	createPrinterPass (raw_ostream &OS, const std::string &Banner) const override
	createPrinterPass - Get a module printer pass.

virtual bool	runOnModule (Module &M)=0
	runOnModule - Virtual method overriden by subclasses to process the module being operated on.

void	assignPassManager (PMStack &PMS, PassManagerType T) override
	Find appropriate Module Pass Manager in the PM Stack and add self into that manager.

PassManagerType	getPotentialPassManagerType () const override
	Return what kind of Pass Manager can manage this pass.

Public Member Functions inherited from llvm::Pass
	Pass (PassKind K, char &pid)

	Pass (const Pass &)=delete

Pass &	operator= (const Pass &)=delete

virtual	~Pass ()

PassKind	getPassKind () const

virtual StringRef	getPassName () const
	getPassName - Return a nice clean name for a pass.

AnalysisID	getPassID () const
	getPassID - Return the PassID number that corresponds to this pass.

virtual bool	doInitialization (Module &)
	doInitialization - Virtual method overridden by subclasses to do any necessary initialization before any pass is run.

virtual bool	doFinalization (Module &)
	doFinalization - Virtual method overriden by subclasses to do any necessary clean up after all passes have run.

virtual void	print (raw_ostream &OS, const Module *M) const
	print - Print out the internal state of the pass.

void	dump () const

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, Function or MachineFunction).

virtual void	assignPassManager (PMStack &, PassManagerType)
	Each pass is responsible for assigning a pass manager to itself.

virtual void	preparePassManager (PMStack &)
	Check if available pass managers are suitable for this pass or not.

virtual PassManagerType	getPotentialPassManagerType () const
	Return what kind of Pass Manager can manage this pass.

void	setResolver (AnalysisResolver *AR)

AnalysisResolver *	getResolver () const

virtual void	getAnalysisUsage (AnalysisUsage &) const
	getAnalysisUsage - This function should be overriden by passes that need analysis information to do their job.

virtual void	releaseMemory ()
	releaseMemory() - This member can be implemented by a pass if it wants to be able to release its memory when it is no longer needed.

virtual void *	getAdjustedAnalysisPointer (AnalysisID ID)
	getAdjustedAnalysisPointer - This method is used when a pass implements an analysis interface through multiple inheritance.

virtual ImmutablePass *	getAsImmutablePass ()

virtual PMDataManager *	getAsPMDataManager ()

virtual void	verifyAnalysis () const
	verifyAnalysis() - This member can be implemented by a analysis pass to check state of analysis information.

virtual void	dumpPassStructure (unsigned Offset=0)

template<typename AnalysisType >
AnalysisType *	getAnalysisIfAvailable () const
	getAnalysisIfAvailable<AnalysisType>() - Subclasses use this function to get analysis information that might be around, for example to update it.

bool	mustPreserveAnalysisID (char &AID) const
	mustPreserveAnalysisID - This method serves the same function as getAnalysisIfAvailable, but works if you just have an AnalysisID.

template<typename AnalysisType >
AnalysisType &	getAnalysis () const
	getAnalysis<AnalysisType>() - This function is used by subclasses to get to the analysis information that they claim to use by overriding the getAnalysisUsage function.

template<typename AnalysisType >
AnalysisType &	getAnalysis (Function &F, bool *Changed=nullptr)
	getAnalysis<AnalysisType>() - This function is used by subclasses to get to the analysis information that they claim to use by overriding the getAnalysisUsage function.

template<typename AnalysisType >
AnalysisType &	getAnalysisID (AnalysisID PI) const

template<typename AnalysisType >
AnalysisType &	getAnalysisID (AnalysisID PI, Function &F, bool *Changed=nullptr)

Public Member Functions inherited from llvm::PMDataManager
	PMDataManager ()

virtual	~PMDataManager ()

virtual Pass *	getAsPass ()=0

void	recordAvailableAnalysis (Pass *P)
	Augment AvailableAnalysis by adding analysis made available by pass P.

void	verifyPreservedAnalysis (Pass *P)
	verifyPreservedAnalysis – Verify analysis presreved by pass P.

void	removeNotPreservedAnalysis (Pass *P)
	Remove Analysis that is not preserved by the pass.

void	removeDeadPasses (Pass *P, StringRef Msg, enum PassDebuggingString)
	Remove dead passes used by P.

void	freePass (Pass *P, StringRef Msg, enum PassDebuggingString)
	Remove P.

void	add (Pass *P, bool ProcessAnalysis=true)
	Add pass P into the PassVector.

virtual void	addLowerLevelRequiredPass (Pass P, Pass RequiredPass)
	Add RequiredPass into list of lower level passes required by pass P.

virtual std::tuple< Pass *, bool >	getOnTheFlyPass (Pass *P, AnalysisID PI, Function &F)

void	initializeAnalysisInfo ()
	Initialize available analysis information.

bool	preserveHigherLevelAnalysis (Pass *P)

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	initializeAnalysisImpl (Pass *P)
	All Required analyses should be available to the pass as it runs! Here we fill in the AnalysisImpls member of the pass so that it can successfully use the getAnalysis() method to retrieve the implementations it needs.

Pass *	findAnalysisPass (AnalysisID AID, bool Direction)
	Find the pass that implements Analysis AID.

PMTopLevelManager *	getTopLevelManager ()

void	setTopLevelManager (PMTopLevelManager *T)

unsigned	getDepth () const

void	setDepth (unsigned newDepth)

void	dumpLastUses (Pass *P, unsigned Offset) const

void	dumpPassArguments () const

void	dumpPassInfo (Pass *P, enum PassDebuggingString S1, enum PassDebuggingString S2, StringRef Msg)

void	dumpRequiredSet (const Pass *P) const

void	dumpPreservedSet (const Pass *P) const

void	dumpUsedSet (const Pass *P) const

unsigned	getNumContainedPasses () const

virtual PassManagerType	getPassManagerType () const

DenseMap< AnalysisID, Pass * > *	getAvailableAnalysis ()

void	populateInheritedAnalysis (PMStack &PMS)

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	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.

Static Public Attributes
static char	ID = 0

Additional Inherited Members
Static Public Member Functions inherited from llvm::Pass
static const PassInfo *	lookupPassInfo (const void *TI)

static const PassInfo *	lookupPassInfo (StringRef Arg)

static Pass *	createPass (AnalysisID ID)

Protected Member Functions inherited from llvm::ModulePass
bool	skipModule (Module &M) const
	Optional passes call this function to check whether the pass should be skipped.

Protected Member Functions inherited from llvm::PMDataManager
bool	isPassDebuggingExecutionsOrMore () const
	isPassDebuggingExecutionsOrMore - Return true if -debug-pass=Executions or higher is specified.

Protected Attributes inherited from llvm::PMDataManager
PMTopLevelManager *	TPM = nullptr

SmallVector< Pass *, 16 >	PassVector

DenseMap< AnalysisID, Pass * > *	InheritedAnalysis [PMT_Last]

Detailed Description

FPPassManager manages BBPassManagers and FunctionPasses.

It batches all function passes and basic block pass managers together and sequence them to process one function at a time before processing next function.

Definition at line 457 of file LegacyPassManagers.h.

Constructor & Destructor Documentation

◆ FPPassManager()

llvm::FPPassManager::FPPassManager ( )

inlineexplicit

Definition at line 460 of file LegacyPassManagers.h.

Member Function Documentation

◆ cleanup()

void FPPassManager::cleanup ( )

cleanup - After running all passes, clean up pass manager cache.

Definition at line 1339 of file LegacyPassManager.cpp.

References assert(), llvm::AnalysisResolver::clearAnalysisImpls(), FP, getContainedPass(), and llvm::PMDataManager::getNumContainedPasses().

Referenced by llvm::legacy::FunctionPassManagerImpl::run().

◆ doFinalization()

bool FPPassManager::doFinalization ( Module & M )

overridevirtual

doFinalization - Run all of the finalizers for the function passes.

Reimplemented from llvm::Pass.

Definition at line 1468 of file LegacyPassManager.cpp.

References llvm::Pass::doFinalization(), getContainedPass(), and llvm::PMDataManager::getNumContainedPasses().

Referenced by llvm::legacy::FunctionPassManagerImpl::doFinalization().

◆ doInitialization()

bool FPPassManager::doInitialization ( Module & M )

overridevirtual

doInitialization - Run all of the initializers for the function passes.

Reimplemented from llvm::Pass.

Definition at line 1459 of file LegacyPassManager.cpp.

References llvm::Pass::doInitialization(), getContainedPass(), and llvm::PMDataManager::getNumContainedPasses().

Referenced by llvm::legacy::FunctionPassManagerImpl::doInitialization().

◆ dumpPassStructure()

void FPPassManager::dumpPassStructure ( unsigned Offset )

overridevirtual

Print passes managed by this manager.

Reimplemented from llvm::Pass.

Definition at line 1354 of file LegacyPassManager.cpp.

References llvm::dbgs(), llvm::PMDataManager::dumpLastUses(), FP, getContainedPass(), llvm::PMDataManager::getNumContainedPasses(), llvm::raw_ostream::indent(), and llvm::Offset.

Referenced by llvm::legacy::FunctionPassManagerImpl::dumpPassStructure().

◆ getAnalysisUsage()

void llvm::FPPassManager::getAnalysisUsage ( AnalysisUsage & Info ) const

inlineoverridevirtual

Pass Manager itself does not invalidate any analysis info.

Reimplemented from llvm::Pass.

Definition at line 492 of file LegacyPassManagers.h.

References Info.

◆ getAsPass()

Pass * llvm::FPPassManager::getAsPass ( )

inlineoverridevirtual

Implements llvm::PMDataManager.

Definition at line 489 of file LegacyPassManagers.h.

◆ getAsPMDataManager()

PMDataManager * llvm::FPPassManager::getAsPMDataManager ( )

inlineoverridevirtual

Reimplemented from llvm::Pass.

Definition at line 488 of file LegacyPassManagers.h.

◆ getContainedPass()

FunctionPass * llvm::FPPassManager::getContainedPass ( unsigned N )

inline

Definition at line 501 of file LegacyPassManagers.h.

References assert(), FP, N, and llvm::PMDataManager::PassVector.

Referenced by cleanup(), doFinalization(), doInitialization(), dumpPassStructure(), llvm::legacy::FunctionPassManagerImpl::releaseMemoryOnTheFly(), and runOnFunction().

◆ getPassManagerType()

PassManagerType llvm::FPPassManager::getPassManagerType ( ) const

inlineoverridevirtual

Reimplemented from llvm::PMDataManager.

Definition at line 507 of file LegacyPassManagers.h.

References llvm::PMT_FunctionPassManager.

◆ getPassName()

StringRef llvm::FPPassManager::getPassName ( ) const

inlineoverridevirtual

getPassName - Return a nice clean name for a pass.

This usually implemented in terms of the name that is registered by one of the Registration templates, but can be overloaded directly.

Reimplemented from llvm::Pass.

Definition at line 499 of file LegacyPassManagers.h.

◆ runOnFunction()

bool FPPassManager::runOnFunction ( Function & F )

run - Execute all of the passes scheduled for execution.

Execute all of the passes scheduled for execution by invoking runOnFunction method.

Keep track of whether any of the passes modifies the module, and if so, return true.

Keep track of whether any of the passes modifies the function, and if so, return true.

Definition at line 1366 of file LegacyPassManager.cpp.

Referenced by llvm::legacy::FunctionPassManagerImpl::run(), and runOnModule().

◆ runOnModule()

bool FPPassManager::runOnModule ( Module & M )

overridevirtual

runOnModule - Virtual method overriden by subclasses to process the module being operated on.

Implements llvm::ModulePass.

Definition at line 1450 of file LegacyPassManager.cpp.

References F, and runOnFunction().

Member Data Documentation

◆ ID

char FPPassManager::ID = 0

static

Definition at line 459 of file LegacyPassManagers.h.

The documentation for this class was generated from the following files:

include/llvm/IR/LegacyPassManagers.h
lib/IR/LegacyPassManager.cpp

Public Member Functions

Static Public Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ FPPassManager()

Member Function Documentation

◆ cleanup()

◆ doFinalization()

◆ doInitialization()

◆ dumpPassStructure()

◆ getAnalysisUsage()

◆ getAsPass()

◆ getAsPMDataManager()

◆ getContainedPass()

◆ getPassManagerType()

◆ getPassName()

◆ runOnFunction()

◆ runOnModule()

Member Data Documentation

◆ ID