llvm::GlobalValueSummary Class Reference

Function and variable summary information to aid decisions and implementation of importing. More...

#include "llvm/IR/ModuleSummaryIndex.h"

Inheritance diagram for llvm::GlobalValueSummary:

Classes
struct	GVFlags
	Group flags (Linkage, NotEligibleToImport, etc.) as a bitfield. More...

Public Types
enum	SummaryKind : unsigned { AliasKind, FunctionKind, GlobalVarKind }
	Sububclass discriminator (for dyn_cast<> et al.) More...

Public Member Functions
virtual	~GlobalValueSummary ()=default
GlobalValue::GUID	getOriginalName () const
	Returns the hash of the original name, it is identical to the GUID for externally visible symbols, but not for local ones. More...
void	setOriginalName (GlobalValue::GUID Name)
	Initialize the original name hash in this summary. More...
SummaryKind	getSummaryKind () const
	Which kind of summary subclass this is. More...
void	setModulePath (StringRef ModPath)
	Set the path to the module containing this function, for use in the combined index. More...
StringRef	modulePath () const
	Get the path to the module containing this function. More...
GVFlags	flags () const
	Get the flags for this GlobalValue (see struct GVFlags). More...
GlobalValue::LinkageTypes	linkage () const
	Return linkage type recorded for this global value. More...
void	setLinkage (GlobalValue::LinkageTypes Linkage)
	Sets the linkage to the value determined by global summary-based optimization. More...
bool	notEligibleToImport () const
	Return true if this global value can't be imported. More...
bool	isLive () const
void	setLive (bool Live)
void	setDSOLocal (bool Local)
bool	isDSOLocal () const
void	setNotEligibleToImport ()
	Flag that this global value cannot be imported. More...
ArrayRef< ValueInfo >	refs () const
	Return the list of values referenced by this global value definition. More...
GlobalValueSummary *	getBaseObject ()
	If this is an alias summary, returns the summary of the aliased object (a global variable or function), otherwise returns itself. More...
const GlobalValueSummary *	getBaseObject () const

Protected Member Functions
	GlobalValueSummary (SummaryKind K, GVFlags Flags, std::vector< ValueInfo > Refs)

Friends
class	ModuleSummaryIndex

Detailed Description

Function and variable summary information to aid decisions and implementation of importing.

Definition at line 252 of file ModuleSummaryIndex.h.

Member Enumeration Documentation

SummaryKind

enum llvm::GlobalValueSummary::SummaryKind : unsigned

Sububclass discriminator (for dyn_cast<> et al.)

Enumerator
AliasKind
FunctionKind
GlobalVarKind

Definition at line 255 of file ModuleSummaryIndex.h.

Constructor & Destructor Documentation

GlobalValueSummary()

llvm::GlobalValueSummary::GlobalValueSummary ( SummaryKind  K, GVFlags  Flags, std::vector< ValueInfo >  Refs  )

inlineprotected

Definition at line 317 of file ModuleSummaryIndex.h.

References assert().

~GlobalValueSummary()

virtual llvm::GlobalValueSummary::~GlobalValueSummary ( )

virtualdefault

Member Function Documentation

flags()

GVFlags llvm::GlobalValueSummary::flags ( ) const

inline

Get the flags for this GlobalValue (see struct GVFlags).

Definition at line 344 of file ModuleSummaryIndex.h.

Referenced by getLinkageNameWithSpace(), and writeTypeIdSummaryRecord().

getBaseObject() [1/2]

GlobalValueSummary * llvm::GlobalValueSummary::getBaseObject ( )

inline

If this is an alias summary, returns the summary of the aliased object (a global variable or function), otherwise returns itself.

Definition at line 426 of file ModuleSummaryIndex.h.

Referenced by llvm::canImportGlobalVar().

getBaseObject() [2/2]

const GlobalValueSummary * llvm::GlobalValueSummary::getBaseObject ( ) const

inline

Definition at line 420 of file ModuleSummaryIndex.h.

getOriginalName()

GlobalValue::GUID llvm::GlobalValueSummary::getOriginalName ( ) const

inline

Returns the hash of the original name, it is identical to the GUID for externally visible symbols, but not for local ones.

Definition at line 328 of file ModuleSummaryIndex.h.

getSummaryKind()

SummaryKind llvm::GlobalValueSummary::getSummaryKind ( ) const

inline

Which kind of summary subclass this is.

Definition at line 334 of file ModuleSummaryIndex.h.

References Kind.

Referenced by llvm::AliasSummary::classof(), llvm::FunctionSummary::classof(), llvm::GlobalVarSummary::classof(), and getLinkageNameWithSpace().

isDSOLocal()

bool llvm::GlobalValueSummary::isDSOLocal ( ) const

inline

Definition at line 366 of file ModuleSummaryIndex.h.

References llvm::GlobalValueSummary::GVFlags::DSOLocal.

isLive()

bool llvm::GlobalValueSummary::isLive ( ) const

inline

Definition at line 360 of file ModuleSummaryIndex.h.

References llvm::GlobalValueSummary::GVFlags::Live.

Referenced by llvm::ModuleSummaryIndex::isGlobalValueLive().

linkage()

GlobalValue::LinkageTypes llvm::GlobalValueSummary::linkage ( ) const

inline

Return linkage type recorded for this global value.

Definition at line 347 of file ModuleSummaryIndex.h.

References llvm::GlobalValueSummary::GVFlags::Linkage.

Referenced by llvm::canImportGlobalVar(), and getNodeLabel().

modulePath()

StringRef llvm::GlobalValueSummary::modulePath ( ) const

inline

Get the path to the module containing this function.

Definition at line 341 of file ModuleSummaryIndex.h.

Referenced by computeImportForFunction(), computeImportForReferencedGlobals(), llvm::FunctionImportGlobalProcessing::doImportAsDefinition(), and getLinkageNameWithSpace().

notEligibleToImport()

bool llvm::GlobalValueSummary::notEligibleToImport ( ) const

inline

Return true if this global value can't be imported.

Definition at line 358 of file ModuleSummaryIndex.h.

References llvm::GlobalValueSummary::GVFlags::NotEligibleToImport.

Referenced by llvm::canImportGlobalVar().

refs()

ArrayRef<ValueInfo> llvm::GlobalValueSummary::refs ( ) const

inline

Return the list of values referenced by this global value definition.

Definition at line 372 of file ModuleSummaryIndex.h.

Referenced by llvm::canImportGlobalVar(), llvm::computeDeadSymbols(), computeImportForFunction(), computeImportForReferencedGlobals(), getLinkageNameWithSpace(), propagateConstantsToRefs(), and writeTypeIdSummaryRecord().

setDSOLocal()

void llvm::GlobalValueSummary::setDSOLocal ( bool  Local )

inline

Definition at line 364 of file ModuleSummaryIndex.h.

References llvm::GlobalValueSummary::GVFlags::DSOLocal.

setLinkage()

void llvm::GlobalValueSummary::setLinkage ( GlobalValue::LinkageTypes  Linkage )

inline

Sets the linkage to the value determined by global summary-based optimization.

Will be applied in the ThinLTO backends.

Definition at line 353 of file ModuleSummaryIndex.h.

References llvm::GlobalValueSummary::GVFlags::Linkage.

setLive()

void llvm::GlobalValueSummary::setLive ( bool  Live )

inline

Definition at line 362 of file ModuleSummaryIndex.h.

References llvm::GlobalValueSummary::GVFlags::Live.

Referenced by llvm::computeDeadSymbols().

setModulePath()

void llvm::GlobalValueSummary::setModulePath ( StringRef  ModPath )

inline

Set the path to the module containing this function, for use in the combined index.

Definition at line 338 of file ModuleSummaryIndex.h.

Referenced by setImmutableRefs().

setNotEligibleToImport()

void llvm::GlobalValueSummary::setNotEligibleToImport ( )

inline

Flag that this global value cannot be imported.

Definition at line 369 of file ModuleSummaryIndex.h.

References llvm::GlobalValueSummary::GVFlags::NotEligibleToImport.

setOriginalName()

void llvm::GlobalValueSummary::setOriginalName ( GlobalValue::GUID  Name )

inline

Initialize the original name hash in this summary.

Definition at line 331 of file ModuleSummaryIndex.h.

References Name.

Referenced by setImmutableRefs().

Friends And Related Function Documentation

ModuleSummaryIndex

friend class ModuleSummaryIndex

friend

Definition at line 379 of file ModuleSummaryIndex.h.

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

• include/llvm/IR/ModuleSummaryIndex.h