This class provides computation of slot numbers for LLVM Assembly writing. More...

Inheritance diagram for llvm::SlotTracker:

Public Types
using	ValueMap = DenseMap< const Value *, unsigned >
	ValueMap - A mapping of Values to slot numbers.

using	mdn_iterator = DenseMap< const MDNode *, unsigned >::iterator
	MDNode map iterators.

using	as_iterator = DenseMap< AttributeSet, unsigned >::iterator
	AttributeSet map iterators.

using	guid_iterator = DenseMap< GlobalValue::GUID, unsigned >::iterator
	GUID map iterators.

Public Member Functions
	SlotTracker (const Module *M, bool ShouldInitializeAllMetadata=false)
	Construct from a module.

	SlotTracker (const Function *F, bool ShouldInitializeAllMetadata=false)
	Construct from a function, starting out in incorp state.

	SlotTracker (const ModuleSummaryIndex *Index)
	Construct from a module summary index.

	SlotTracker (const SlotTracker &)=delete

SlotTracker &	operator= (const SlotTracker &)=delete

	~SlotTracker ()=default

void	setProcessHook (std::function< void(AbstractSlotTrackerStorage , const Module , bool)>)

void	setProcessHook (std::function< void(AbstractSlotTrackerStorage , const Function , bool)>)

unsigned	getNextMetadataSlot () override

void	createMetadataSlot (const MDNode *N) override
	getMetadataSlot - Get the slot number of a MDNode.

int	getLocalSlot (const Value *V)
	Return the slot number of the specified value in it's type plane.

int	getGlobalSlot (const GlobalValue *V)
	getGlobalSlot - Get the slot number of a global value.

int	getMetadataSlot (const MDNode *N) override
	getMetadataSlot - Get the slot number of a MDNode.

int	getAttributeGroupSlot (AttributeSet AS)

int	getModulePathSlot (StringRef Path)

int	getGUIDSlot (GlobalValue::GUID GUID)

int	getTypeIdSlot (StringRef Id)

void	incorporateFunction (const Function *F)
	If you'd like to deal with a function instead of just a module, use this method to get its data into the SlotTracker.

const Function *	getFunction () const

void	purgeFunction ()
	After calling incorporateFunction, use this method to remove the most recently incorporated function from the SlotTracker.

mdn_iterator	mdn_begin ()

mdn_iterator	mdn_end ()

unsigned	mdn_size () const

bool	mdn_empty () const

as_iterator	as_begin ()

as_iterator	as_end ()

unsigned	as_size () const

bool	as_empty () const

void	initializeIfNeeded ()
	These functions do the actual initialization.

int	initializeIndexIfNeeded ()

Public Member Functions inherited from llvm::AbstractSlotTrackerStorage
virtual	~AbstractSlotTrackerStorage ()

virtual unsigned	getNextMetadataSlot ()=0

virtual void	createMetadataSlot (const MDNode *)=0

virtual int	getMetadataSlot (const MDNode *)=0

Detailed Description

This class provides computation of slot numbers for LLVM Assembly writing.

Definition at line 677 of file AsmWriter.cpp.

Member Typedef Documentation

◆ as_iterator

using llvm::SlotTracker::as_iterator = DenseMap<AttributeSet, unsigned>::iterator

AttributeSet map iterators.

Definition at line 794 of file AsmWriter.cpp.

◆ guid_iterator

using llvm::SlotTracker::guid_iterator = DenseMap<GlobalValue::GUID, unsigned>::iterator

GUID map iterators.

Definition at line 802 of file AsmWriter.cpp.

◆ mdn_iterator

using llvm::SlotTracker::mdn_iterator = DenseMap<const MDNode*, unsigned>::iterator

MDNode map iterators.

Definition at line 786 of file AsmWriter.cpp.

◆ ValueMap

using llvm::SlotTracker::ValueMap = DenseMap<const Value *, unsigned>

ValueMap - A mapping of Values to slot numbers.

Definition at line 680 of file AsmWriter.cpp.

Constructor & Destructor Documentation

◆ SlotTracker() [1/4]

SlotTracker::SlotTracker	(	const Module *	M,
		bool	ShouldInitializeAllMetadata = `false`
	)

explicit

Construct from a module.

If ShouldInitializeAllMetadata, initializes all metadata in all functions, giving correct numbering for metadata referenced only from within a function (even if no functions have been initialized).

Definition at line 938 of file AsmWriter.cpp.

◆ SlotTracker() [2/4]

SlotTracker::SlotTracker	(	const Function *	F,
		bool	ShouldInitializeAllMetadata = `false`
	)

explicit

Construct from a function, starting out in incorp state.

If ShouldInitializeAllMetadata, initializes all metadata in all functions, giving correct numbering for metadata referenced only from within a function (even if no functions have been initialized).

Definition at line 943 of file AsmWriter.cpp.

◆ SlotTracker() [3/4]

SlotTracker::SlotTracker ( const ModuleSummaryIndex * Index )

explicit

Construct from a module summary index.

Definition at line 947 of file AsmWriter.cpp.

◆ SlotTracker() [4/4]

llvm::SlotTracker::SlotTracker ( const SlotTracker & )

delete

◆ ~SlotTracker()

llvm::SlotTracker::~SlotTracker ( )

default

Member Function Documentation

◆ as_begin()

as_iterator llvm::SlotTracker::as_begin ( )

inline

Definition at line 796 of file AsmWriter.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::begin().

◆ as_empty()

bool llvm::SlotTracker::as_empty ( ) const

inline

Definition at line 799 of file AsmWriter.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::empty().

◆ as_end()

as_iterator llvm::SlotTracker::as_end ( )

inline

Definition at line 797 of file AsmWriter.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::end().

◆ as_size()

unsigned llvm::SlotTracker::as_size ( ) const

inline

Definition at line 798 of file AsmWriter.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::size().

◆ createMetadataSlot()

void SlotTracker::createMetadataSlot ( const MDNode * N )

overridevirtual

getMetadataSlot - Get the slot number of a MDNode.

Implements llvm::AbstractSlotTrackerStorage.

Definition at line 1164 of file AsmWriter.cpp.

References N.

◆ getAttributeGroupSlot()

int SlotTracker::getAttributeGroupSlot ( AttributeSet AS )

Definition at line 1187 of file AsmWriter.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::end(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::find(), and initializeIfNeeded().

◆ getFunction()

const Function * llvm::SlotTracker::getFunction ( ) const

inline

Definition at line 778 of file AsmWriter.cpp.

◆ getGlobalSlot()

int SlotTracker::getGlobalSlot ( const GlobalValue * V )

getGlobalSlot - Get the slot number of a global value.

Definition at line 1142 of file AsmWriter.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::end(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::find(), initializeIfNeeded(), and MI.

◆ getGUIDSlot()

int SlotTracker::getGUIDSlot ( GlobalValue::GUID GUID )

Definition at line 1205 of file AsmWriter.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::end(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::find(), I, and initializeIndexIfNeeded().

◆ getLocalSlot()

int SlotTracker::getLocalSlot ( const Value * V )

Return the slot number of the specified value in it's type plane.

getLocalSlot - Get the slot number for a value that is local to a function.

If something is not in the SlotTracker, return -1.

Definition at line 1177 of file AsmWriter.cpp.

References assert(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::end(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::find(), and initializeIfNeeded().

Referenced by llvm::ModuleSlotTracker::getLocalSlot().

◆ getMetadataSlot()

int SlotTracker::getMetadataSlot ( const MDNode * N )

overridevirtual

getMetadataSlot - Get the slot number of a MDNode.

Implements llvm::AbstractSlotTrackerStorage.

Definition at line 1167 of file AsmWriter.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::end(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::find(), initializeIfNeeded(), MI, and N.

◆ getModulePathSlot()

int SlotTracker::getModulePathSlot ( StringRef Path )

Definition at line 1196 of file AsmWriter.cpp.

References llvm::StringMap< ValueTy, AllocatorTy >::end(), llvm::StringMap< ValueTy, AllocatorTy >::find(), I, and initializeIndexIfNeeded().

◆ getNextMetadataSlot()

unsigned llvm::SlotTracker::getNextMetadataSlot ( )

inlineoverridevirtual

Implements llvm::AbstractSlotTrackerStorage.

Definition at line 757 of file AsmWriter.cpp.

◆ getTypeIdSlot()

int SlotTracker::getTypeIdSlot ( StringRef Id )

Definition at line 1214 of file AsmWriter.cpp.

References llvm::StringMap< ValueTy, AllocatorTy >::end(), llvm::StringMap< ValueTy, AllocatorTy >::find(), I, and initializeIndexIfNeeded().

◆ incorporateFunction()

void llvm::SlotTracker::incorporateFunction ( const Function * F )

inline

If you'd like to deal with a function instead of just a module, use this method to get its data into the SlotTracker.

Definition at line 773 of file AsmWriter.cpp.

References F.

Referenced by llvm::ModuleSlotTracker::incorporateFunction().

◆ initializeIfNeeded()

void SlotTracker::initializeIfNeeded ( )

inline

These functions do the actual initialization.

< Prevent re-processing next time we're called.

Definition at line 950 of file AsmWriter.cpp.

Referenced by getAttributeGroupSlot(), getGlobalSlot(), getLocalSlot(), and getMetadataSlot().

◆ initializeIndexIfNeeded()

int SlotTracker::initializeIndexIfNeeded ( )

< Prevent re-processing next time we're called.

Definition at line 960 of file AsmWriter.cpp.

Referenced by getGUIDSlot(), getModulePathSlot(), and getTypeIdSlot().

◆ mdn_begin()

mdn_iterator llvm::SlotTracker::mdn_begin ( )

inline

Definition at line 788 of file AsmWriter.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::begin().

◆ mdn_empty()

bool llvm::SlotTracker::mdn_empty ( ) const

inline

Definition at line 791 of file AsmWriter.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::empty().

◆ mdn_end()

mdn_iterator llvm::SlotTracker::mdn_end ( )

inline

Definition at line 789 of file AsmWriter.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::end().

◆ mdn_size()

unsigned llvm::SlotTracker::mdn_size ( ) const

inline

Definition at line 790 of file AsmWriter.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::size().

◆ operator=()

SlotTracker & llvm::SlotTracker::operator= ( const SlotTracker & )

delete

◆ purgeFunction()

void SlotTracker::purgeFunction ( )

After calling incorporateFunction, use this method to remove the most recently incorporated function from the SlotTracker.

Clean up after incorporating a function.

This will reset the state of the machine back to just the module contents.

This is the only way to get out of the function incorporation state that affects get*Slot/Create*Slot. Function incorporation state is indicated by TheFunction != 0.

Definition at line 1133 of file AsmWriter.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::clear(), and ST_DEBUG.

Referenced by llvm::ModuleSlotTracker::incorporateFunction().

◆ setProcessHook() [1/2]

void SlotTracker::setProcessHook ( std::function< void(AbstractSlotTrackerStorage *, const Function *, bool)> Fn )

Definition at line 1157 of file AsmWriter.cpp.

◆ setProcessHook() [2/2]

void SlotTracker::setProcessHook ( std::function< void(AbstractSlotTrackerStorage *, const Module *, bool)> Fn )

Definition at line 1151 of file AsmWriter.cpp.

Referenced by llvm::ModuleSlotTracker::getMachine().

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

lib/IR/AsmWriter.cpp

Public Types

Public Member Functions

Detailed Description

Member Typedef Documentation

◆ as_iterator

◆ guid_iterator

◆ mdn_iterator

◆ ValueMap

Constructor & Destructor Documentation

◆ SlotTracker() [1/4]

◆ SlotTracker() [2/4]

◆ SlotTracker() [3/4]

◆ SlotTracker() [4/4]

◆ ~SlotTracker()

Member Function Documentation

◆ as_begin()

◆ as_empty()

◆ as_end()

◆ as_size()

◆ createMetadataSlot()

◆ getAttributeGroupSlot()

◆ getFunction()

◆ getGlobalSlot()

◆ getGUIDSlot()

◆ getLocalSlot()

◆ getMetadataSlot()

◆ getModulePathSlot()

◆ getNextMetadataSlot()

◆ getTypeIdSlot()

◆ incorporateFunction()

◆ initializeIfNeeded()

◆ initializeIndexIfNeeded()

◆ mdn_begin()

◆ mdn_empty()

◆ mdn_end()

◆ mdn_size()

◆ operator=()

◆ purgeFunction()

◆ setProcessHook() [1/2]

◆ setProcessHook() [2/2]