PMTopLevelManager manages LastUser info and collects common APIs used by top level pass managers. More...

#include "llvm/IR/LegacyPassManagers.h"

Inheritance diagram for llvm::PMTopLevelManager:

Public Member Functions
void	schedulePass (Pass *P)
	Schedule pass P for execution.

void	setLastUser (ArrayRef< Pass * > AnalysisPasses, Pass *P)
	Set pass P as the last user of the given analysis passes.

void	collectLastUses (SmallVectorImpl< Pass * > &LastUses, Pass *P)
	Collect passes whose last user is P.

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

const PassInfo *	findAnalysisPassInfo (AnalysisID AID) const
	Retrieve the PassInfo for an analysis.

AnalysisUsage *	findAnalysisUsage (Pass *P)
	Find analysis usage information for the pass P.

virtual	~PMTopLevelManager ()
	Destructor.

void	addImmutablePass (ImmutablePass *P)
	Add immutable pass and initialize it.

SmallVectorImpl< ImmutablePass * > &	getImmutablePasses ()

void	addPassManager (PMDataManager *Manager)

void	addIndirectPassManager (PMDataManager *Manager)

void	dumpPasses () const

void	dumpArguments () const

Public Attributes
PMStack	activeStack

Protected Member Functions
	PMTopLevelManager (PMDataManager *PMDM)
	Initialize top level manager. Create first pass manager.

unsigned	getNumContainedManagers () const

void	initializeAllAnalysisInfo ()

Protected Attributes
SmallVector< PMDataManager *, 8 >	PassManagers
	Collection of pass managers.

Detailed Description

PMTopLevelManager manages LastUser info and collects common APIs used by top level pass managers.

Definition at line 159 of file LegacyPassManagers.h.

Constructor & Destructor Documentation

◆ PMTopLevelManager()

PMTopLevelManager::PMTopLevelManager ( PMDataManager * PMDM )

explicitprotected

Initialize top level manager. Create first pass manager.

Definition at line 547 of file LegacyPassManager.cpp.

References activeStack, addPassManager(), llvm::PMStack::push(), and llvm::PMDataManager::setTopLevelManager().

◆ ~PMTopLevelManager()

PMTopLevelManager::~PMTopLevelManager ( )

virtual

Destructor.

Definition at line 846 of file LegacyPassManager.cpp.

References P, and PassManagers.

Member Function Documentation

◆ addImmutablePass()

void PMTopLevelManager::addImmutablePass ( ImmutablePass * P )

Add immutable pass and initialize it.

Definition at line 791 of file LegacyPassManager.cpp.

References P.

Referenced by schedulePass().

◆ addIndirectPassManager()

void llvm::PMTopLevelManager::addIndirectPassManager ( PMDataManager * Manager )

inline

Definition at line 211 of file LegacyPassManagers.h.

Referenced by llvm::CallGraphSCCPass::assignPassManager(), llvm::LoopPass::assignPassManager(), llvm::RegionPass::assignPassManager(), llvm::FunctionPass::assignPassManager(), and llvm::PMStack::push().

◆ addPassManager()

void llvm::PMTopLevelManager::addPassManager ( PMDataManager * Manager )

inline

Definition at line 205 of file LegacyPassManagers.h.

Referenced by PMTopLevelManager().

◆ collectLastUses()

void PMTopLevelManager::collectLastUses	(	SmallVectorImpl< Pass * > &	LastUses,
		Pass *	P
	)

Collect passes whose last user is P.

Definition at line 607 of file LegacyPassManager.cpp.

References llvm::SmallVectorImpl< T >::append(), and P.

Referenced by llvm::PMDataManager::dumpLastUses(), and llvm::PMDataManager::removeDeadPasses().

◆ dumpArguments()

void PMTopLevelManager::dumpArguments ( ) const

Definition at line 820 of file LegacyPassManager.cpp.

References Arguments, assert(), llvm::dbgs(), findAnalysisPassInfo(), P, PassDebugging, and PassManagers.

Referenced by llvm::PMDataManager::addLowerLevelRequiredPass(), llvm::legacy::FunctionPassManagerImpl::doInitialization(), and llvm::legacy::PassManagerImpl::run().

◆ dumpPasses()

void PMTopLevelManager::dumpPasses ( ) const

Definition at line 803 of file LegacyPassManager.cpp.

References llvm::Pass::dumpPassStructure(), PassDebugging, and PassManagers.

Referenced by llvm::PMDataManager::addLowerLevelRequiredPass(), llvm::legacy::FunctionPassManagerImpl::doInitialization(), and llvm::legacy::PassManagerImpl::run().

◆ findAnalysisPass()

Pass * PMTopLevelManager::findAnalysisPass ( AnalysisID AID )

Find the pass that implements Analysis AID.

Search immutable passes and all pass managers. If desired pass is not found then return NULL.

Definition at line 761 of file LegacyPassManager.cpp.

References P, and PassManagers.

Referenced by llvm::PMDataManager::findAnalysisPass(), schedulePass(), and setLastUser().

◆ findAnalysisPassInfo()

const PassInfo * PMTopLevelManager::findAnalysisPassInfo ( AnalysisID AID ) const

Retrieve the PassInfo for an analysis.

Definition at line 780 of file LegacyPassManager.cpp.

References assert(), llvm::PassRegistry::getPassInfo(), getPassInfo(), and llvm::PassRegistry::getPassRegistry().

Referenced by llvm::PMDataManager::add(), dumpArguments(), llvm::PMDataManager::dumpPassArguments(), and schedulePass().

◆ findAnalysisUsage()

AnalysisUsage * PMTopLevelManager::findAnalysisUsage ( Pass * P )

Find analysis usage information for the pass P.

Definition at line 617 of file LegacyPassManager.cpp.

References llvm::SpecificBumpPtrAllocator< T >::Allocate(), assert(), llvm::FoldingSetImpl< Derived, T >::FindNodeOrInsertPos(), llvm::FoldingSetImpl< Derived, T >::InsertNode(), N, and P.

Referenced by llvm::PMDataManager::collectRequiredAndUsedAnalyses(), llvm::PMDataManager::initializeAnalysisImpl(), llvm::PMDataManager::preserveHigherLevelAnalysis(), llvm::PMDataManager::removeNotPreservedAnalysis(), schedulePass(), setLastUser(), and llvm::PMDataManager::verifyPreservedAnalysis().

◆ getImmutablePasses()

SmallVectorImpl< ImmutablePass * > & llvm::PMTopLevelManager::getImmutablePasses ( )

inline

Definition at line 201 of file LegacyPassManagers.h.

Referenced by llvm::legacy::FunctionPassManagerImpl::doFinalization(), llvm::legacy::FunctionPassManagerImpl::doInitialization(), and llvm::legacy::PassManagerImpl::run().

◆ getNumContainedManagers()

unsigned llvm::PMTopLevelManager::getNumContainedManagers ( ) const

inlineprotected

Definition at line 163 of file LegacyPassManagers.h.

Referenced by llvm::legacy::FunctionPassManagerImpl::doFinalization(), llvm::legacy::FunctionPassManagerImpl::doInitialization(), llvm::legacy::FunctionPassManagerImpl::dumpPassStructure(), llvm::legacy::FunctionPassManagerImpl::releaseMemoryOnTheFly(), llvm::legacy::FunctionPassManagerImpl::run(), and llvm::legacy::PassManagerImpl::run().

◆ initializeAllAnalysisInfo()

void PMTopLevelManager::initializeAllAnalysisInfo ( )

protected

Definition at line 836 of file LegacyPassManager.cpp.

References PassManagers.

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

◆ schedulePass()

void PMTopLevelManager::schedulePass ( Pass * P )

Schedule pass P for execution.

Make sure that passes required by P are run before P is run. Update analysis info maintained by the manager. Remove dead passes. This is a recursive function.

Definition at line 653 of file LegacyPassManager.cpp.

References activeStack, addImmutablePass(), assert(), llvm::Pass::assignPassManager(), llvm::PassInfo::createPass(), llvm::dbgs(), DM, findAnalysisPass(), findAnalysisPassInfo(), findAnalysisUsage(), llvm::PassInfo::getPassArgument(), llvm::Pass::getPassName(), llvm::Pass::getPotentialPassManagerType(), llvm::AnalysisUsage::getRequiredSet(), llvm::PassInfo::isAnalysis(), P, schedulePass(), llvm::shouldPrintAfterPass(), and llvm::shouldPrintBeforePass().

Referenced by llvm::legacy::FunctionPassManagerImpl::add(), llvm::legacy::PassManagerImpl::add(), llvm::CallGraphSCCPass::assignPassManager(), llvm::LoopPass::assignPassManager(), llvm::RegionPass::assignPassManager(), and schedulePass().

◆ setLastUser()

void PMTopLevelManager::setLastUser	(	ArrayRef< Pass * >	AnalysisPasses,
		Pass *	P
	)

Set pass P as the last user of the given analysis passes.

Definition at line 555 of file LegacyPassManager.cpp.

References assert(), findAnalysisPass(), findAnalysisUsage(), llvm::PMDataManager::getDepth(), llvm::AnalysisResolver::getPMDataManager(), llvm::AnalysisUsage::getRequiredTransitiveSet(), llvm::Pass::getResolver(), P, llvm::SmallVectorTemplateBase< T, bool >::push_back(), and setLastUser().

Referenced by llvm::PMDataManager::add(), and setLastUser().

Member Data Documentation

◆ activeStack

PMStack llvm::PMTopLevelManager::activeStack

Definition at line 220 of file LegacyPassManagers.h.

Referenced by PMTopLevelManager(), llvm::FPPassManager::runOnFunction(), llvm::LPPassManager::runOnFunction(), llvm::RGPassManager::runOnFunction(), and schedulePass().

◆ PassManagers

SmallVector<PMDataManager *, 8> llvm::PMTopLevelManager::PassManagers

protected

Collection of pass managers.

Definition at line 224 of file LegacyPassManagers.h.

Referenced by dumpArguments(), dumpPasses(), findAnalysisPass(), llvm::legacy::FunctionPassManagerImpl::getContainedManager(), llvm::legacy::PassManagerImpl::getContainedManager(), initializeAllAnalysisInfo(), and ~PMTopLevelManager().

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

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

Public Member Functions

Public Attributes

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ PMTopLevelManager()

◆ ~PMTopLevelManager()

Member Function Documentation

◆ addImmutablePass()

◆ addIndirectPassManager()

◆ addPassManager()

◆ collectLastUses()

◆ dumpArguments()

◆ dumpPasses()

◆ findAnalysisPass()

◆ findAnalysisPassInfo()

◆ findAnalysisUsage()

◆ getImmutablePasses()

◆ getNumContainedManagers()

◆ initializeAllAnalysisInfo()

◆ schedulePass()

◆ setLastUser()

Member Data Documentation

◆ activeStack

◆ PassManagers