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

#include "llvm/IR/ModuleSummaryIndex.h"

Inheritance diagram for llvm::FunctionSummary:

Classes
struct	ConstVCall
	A specification for a virtual function call with all constant integer arguments. More...

struct	FFlags
	Flags specific to function summaries. More...

struct	ParamAccess
	Describes the uses of a parameter by the function. More...

struct	TypeIdInfo
	All type identifier related information. More...

struct	VFuncId
	An "identifier" for a virtual function. More...

Public Types
enum	ForceSummaryHotnessType : unsigned { FSHT_None , FSHT_AllNonCritical , FSHT_All }
	Types for -force-summary-edges-cold debugging option. More...

using	EdgeTy = std::pair< ValueInfo, CalleeInfo >
	<CalleeValueInfo, CalleeInfo> call edge pair.

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

enum	ImportKind : unsigned { Definition = 0 , Declaration = 1 }

Public Member Functions
	FunctionSummary (GVFlags Flags, unsigned NumInsts, FFlags FunFlags, uint64_t EntryCount, std::vector< ValueInfo > Refs, std::vector< EdgeTy > CGEdges, std::vector< GlobalValue::GUID > TypeTests, std::vector< VFuncId > TypeTestAssumeVCalls, std::vector< VFuncId > TypeCheckedLoadVCalls, std::vector< ConstVCall > TypeTestAssumeConstVCalls, std::vector< ConstVCall > TypeCheckedLoadConstVCalls, std::vector< ParamAccess > Params, CallsitesTy CallsiteList, AllocsTy AllocList)

std::pair< unsigned, unsigned >	specialRefCounts () const

FFlags	fflags () const
	Get function summary flags.

void	setNoRecurse ()

void	setNoUnwind ()

unsigned	instCount () const
	Get the instruction count recorded for this function.

uint64_t	entryCount () const
	Get the synthetic entry count for this function.

void	setEntryCount (uint64_t EC)
	Set the synthetic entry count for this function.

ArrayRef< EdgeTy >	calls () const
	Return the list of <CalleeValueInfo, CalleeInfo> pairs.

std::vector< EdgeTy > &	mutableCalls ()

void	addCall (EdgeTy E)

ArrayRef< GlobalValue::GUID >	type_tests () const
	Returns the list of type identifiers used by this function in llvm.type.test intrinsics other than by an llvm.assume intrinsic, represented as GUIDs.

ArrayRef< VFuncId >	type_test_assume_vcalls () const
	Returns the list of virtual calls made by this function using llvm.assume(llvm.type.test) intrinsics that do not have all constant integer arguments.

ArrayRef< VFuncId >	type_checked_load_vcalls () const
	Returns the list of virtual calls made by this function using llvm.type.checked.load intrinsics that do not have all constant integer arguments.

ArrayRef< ConstVCall >	type_test_assume_const_vcalls () const
	Returns the list of virtual calls made by this function using llvm.assume(llvm.type.test) intrinsics with all constant integer arguments.

ArrayRef< ConstVCall >	type_checked_load_const_vcalls () const
	Returns the list of virtual calls made by this function using llvm.type.checked.load intrinsics with all constant integer arguments.

ArrayRef< ParamAccess >	paramAccesses () const
	Returns the list of known uses of pointer parameters.

void	setParamAccesses (std::vector< ParamAccess > NewParams)
	Sets the list of known uses of pointer parameters.

void	addTypeTest (GlobalValue::GUID Guid)
	Add a type test to the summary.

const TypeIdInfo *	getTypeIdInfo () const

ArrayRef< CallsiteInfo >	callsites () const

CallsitesTy &	mutableCallsites ()

void	addCallsite (CallsiteInfo &Callsite)

ArrayRef< AllocInfo >	allocs () const

AllocsTy &	mutableAllocs ()

Public Member Functions inherited from llvm::GlobalValueSummary
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.

void	setOriginalName (GlobalValue::GUID Name)
	Initialize the original name hash in this summary.

SummaryKind	getSummaryKind () const
	Which kind of summary subclass this is.

void	setModulePath (StringRef ModPath)
	Set the path to the module containing this function, for use in the combined index.

StringRef	modulePath () const
	Get the path to the module containing this function.

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

GlobalValue::LinkageTypes	linkage () const
	Return linkage type recorded for this global value.

void	setLinkage (GlobalValue::LinkageTypes Linkage)
	Sets the linkage to the value determined by global summary-based optimization.

bool	notEligibleToImport () const
	Return true if this global value can't be imported.

bool	isLive () const

void	setLive (bool Live)

void	setDSOLocal (bool Local)

bool	isDSOLocal () const

void	setCanAutoHide (bool CanAutoHide)

bool	canAutoHide () const

bool	shouldImportAsDecl () const

void	setImportKind (ImportKind IK)

GlobalValue::VisibilityTypes	getVisibility () const

void	setVisibility (GlobalValue::VisibilityTypes Vis)

void	setNotEligibleToImport ()
	Flag that this global value cannot be imported.

ArrayRef< ValueInfo >	refs () const
	Return the list of values referenced by this global value definition.

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

const GlobalValueSummary *	getBaseObject () const

Static Public Member Functions
static FunctionSummary	makeDummyFunctionSummary (std::vector< FunctionSummary::EdgeTy > Edges)
	Create an empty FunctionSummary (with specified call edges).

static bool	classof (const GlobalValueSummary *GVS)
	Check if this is a function summary.

Static Public Attributes
static FunctionSummary	ExternalNode
	A dummy node to reference external functions that aren't in the index.

Friends
struct	GraphTraits< ValueInfo >

Additional Inherited Members
Protected Member Functions inherited from llvm::GlobalValueSummary
	GlobalValueSummary (SummaryKind K, GVFlags Flags, std::vector< ValueInfo > Refs)

Detailed Description

Function summary information to aid decisions and implementation of importing.

Definition at line 678 of file ModuleSummaryIndex.h.

Member Typedef Documentation

◆ EdgeTy

using llvm::FunctionSummary::EdgeTy = std::pair<ValueInfo, CalleeInfo>

<CalleeValueInfo, CalleeInfo> call edge pair.

Definition at line 681 of file ModuleSummaryIndex.h.

Member Enumeration Documentation

◆ ForceSummaryHotnessType

enum llvm::FunctionSummary::ForceSummaryHotnessType : unsigned

Types for -force-summary-edges-cold debugging option.

Enumerator
FSHT_None
FSHT_AllNonCritical
FSHT_All

Definition at line 684 of file ModuleSummaryIndex.h.

Constructor & Destructor Documentation

◆ FunctionSummary()

llvm::FunctionSummary::FunctionSummary	(	GVFlags	Flags,
		unsigned	NumInsts,
		FFlags	FunFlags,
		uint64_t	EntryCount,
		std::vector< ValueInfo >	Refs,
		std::vector< EdgeTy >	CGEdges,
		std::vector< GlobalValue::GUID >	TypeTests,
		std::vector< VFuncId >	TypeTestAssumeVCalls,
		std::vector< VFuncId >	TypeCheckedLoadVCalls,
		std::vector< ConstVCall >	TypeTestAssumeConstVCalls,
		std::vector< ConstVCall >	TypeCheckedLoadConstVCalls,
		std::vector< ParamAccess >	Params,
		CallsitesTy	CallsiteList,
		AllocsTy	AllocList
	)

inline

Definition at line 896 of file ModuleSummaryIndex.h.

Member Function Documentation

◆ addCall()

void llvm::FunctionSummary::addCall ( EdgeTy E )

inline

Definition at line 953 of file ModuleSummaryIndex.h.

References E.

◆ addCallsite()

void llvm::FunctionSummary::addCallsite ( CallsiteInfo & Callsite )

inline

Definition at line 1037 of file ModuleSummaryIndex.h.

◆ addTypeTest()

void llvm::FunctionSummary::addTypeTest ( GlobalValue::GUID Guid )

inline

Add a type test to the summary.

This is used by WholeProgramDevirt if we were unable to devirtualize a checked call.

Definition at line 1018 of file ModuleSummaryIndex.h.

◆ allocs()

ArrayRef< AllocInfo > llvm::FunctionSummary::allocs ( ) const

inline

Definition at line 1043 of file ModuleSummaryIndex.h.

◆ calls()

ArrayRef< EdgeTy > llvm::FunctionSummary::calls ( ) const

inline

Return the list of <CalleeValueInfo, CalleeInfo> pairs.

Definition at line 949 of file ModuleSummaryIndex.h.

Referenced by llvm::thinLTOPropagateFunctionAttrs().

◆ callsites()

ArrayRef< CallsiteInfo > llvm::FunctionSummary::callsites ( ) const

inline

Definition at line 1026 of file ModuleSummaryIndex.h.

◆ classof()

static bool llvm::FunctionSummary::classof ( const GlobalValueSummary * GVS )

inlinestatic

Check if this is a function summary.

Definition at line 928 of file ModuleSummaryIndex.h.

References llvm::GlobalValueSummary::FunctionKind, and llvm::GlobalValueSummary::getSummaryKind().

◆ entryCount()

uint64_t llvm::FunctionSummary::entryCount ( ) const

inline

Get the synthetic entry count for this function.

Definition at line 943 of file ModuleSummaryIndex.h.

◆ fflags()

FFlags llvm::FunctionSummary::fflags ( ) const

inline

Get function summary flags.

Definition at line 933 of file ModuleSummaryIndex.h.

Referenced by computeImportForFunction(), and llvm::thinLTOPropagateFunctionAttrs().

◆ getTypeIdInfo()

const TypeIdInfo * llvm::FunctionSummary::getTypeIdInfo ( ) const

inline

Definition at line 1024 of file ModuleSummaryIndex.h.

◆ instCount()

unsigned llvm::FunctionSummary::instCount ( ) const

inline

Get the instruction count recorded for this function.

Definition at line 940 of file ModuleSummaryIndex.h.

Referenced by computeImportForFunction().

◆ makeDummyFunctionSummary()

static FunctionSummary llvm::FunctionSummary::makeDummyFunctionSummary ( std::vector< FunctionSummary::EdgeTy > Edges )

inlinestatic

Create an empty FunctionSummary (with specified call edges).

Used to represent external nodes and the dummy root node.

Definition at line 833 of file ModuleSummaryIndex.h.

References llvm::GlobalValue::AvailableExternallyLinkage, llvm::GlobalValue::DefaultVisibility, and llvm::GlobalValueSummary::Definition.

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

◆ mutableAllocs()

AllocsTy & llvm::FunctionSummary::mutableAllocs ( )

inline

Definition at line 1049 of file ModuleSummaryIndex.h.

◆ mutableCalls()

std::vector< EdgeTy > & llvm::FunctionSummary::mutableCalls ( )

inline

Definition at line 951 of file ModuleSummaryIndex.h.

◆ mutableCallsites()

CallsitesTy & llvm::FunctionSummary::mutableCallsites ( )

inline

Definition at line 1032 of file ModuleSummaryIndex.h.

References assert().

◆ paramAccesses()

ArrayRef< ParamAccess > llvm::FunctionSummary::paramAccesses ( ) const

inline

Returns the list of known uses of pointer parameters.

Definition at line 1000 of file ModuleSummaryIndex.h.

◆ setEntryCount()

void llvm::FunctionSummary::setEntryCount ( uint64_t EC )

inline

Set the synthetic entry count for this function.

Definition at line 946 of file ModuleSummaryIndex.h.

◆ setNoRecurse()

void llvm::FunctionSummary::setNoRecurse ( )

inline

Definition at line 935 of file ModuleSummaryIndex.h.

References llvm::FunctionSummary::FFlags::NoRecurse.

◆ setNoUnwind()

void llvm::FunctionSummary::setNoUnwind ( )

inline

Definition at line 937 of file ModuleSummaryIndex.h.

References llvm::FunctionSummary::FFlags::NoUnwind.

◆ setParamAccesses()

void llvm::FunctionSummary::setParamAccesses ( std::vector< ParamAccess > NewParams )

inline

Sets the list of known uses of pointer parameters.

Definition at line 1007 of file ModuleSummaryIndex.h.

◆ specialRefCounts()

std::pair< unsigned, unsigned > FunctionSummary::specialRefCounts ( ) const

Definition at line 77 of file ModuleSummaryIndex.cpp.

References I, and llvm::GlobalValueSummary::refs().

◆ type_checked_load_const_vcalls()

ArrayRef< ConstVCall > llvm::FunctionSummary::type_checked_load_const_vcalls ( ) const

inline

Returns the list of virtual calls made by this function using llvm.type.checked.load intrinsics with all constant integer arguments.

Definition at line 993 of file ModuleSummaryIndex.h.

◆ type_checked_load_vcalls()

ArrayRef< VFuncId > llvm::FunctionSummary::type_checked_load_vcalls ( ) const

inline

Returns the list of virtual calls made by this function using llvm.type.checked.load intrinsics that do not have all constant integer arguments.

Definition at line 976 of file ModuleSummaryIndex.h.

◆ type_test_assume_const_vcalls()

ArrayRef< ConstVCall > llvm::FunctionSummary::type_test_assume_const_vcalls ( ) const

inline

Returns the list of virtual calls made by this function using llvm.assume(llvm.type.test) intrinsics with all constant integer arguments.

Definition at line 985 of file ModuleSummaryIndex.h.

◆ type_test_assume_vcalls()

ArrayRef< VFuncId > llvm::FunctionSummary::type_test_assume_vcalls ( ) const

inline

Returns the list of virtual calls made by this function using llvm.assume(llvm.type.test) intrinsics that do not have all constant integer arguments.

Definition at line 967 of file ModuleSummaryIndex.h.

◆ type_tests()

ArrayRef< GlobalValue::GUID > llvm::FunctionSummary::type_tests ( ) const

inline

Returns the list of type identifiers used by this function in llvm.type.test intrinsics other than by an llvm.assume intrinsic, represented as GUIDs.

Definition at line 958 of file ModuleSummaryIndex.h.

Friends And Related Function Documentation

◆ GraphTraits< ValueInfo >

friend struct GraphTraits< ValueInfo >

friend

Definition at line 1049 of file ModuleSummaryIndex.h.

Member Data Documentation

◆ ExternalNode

FunctionSummary FunctionSummary::ExternalNode

static

Initial value:

=

FunctionSummary::makeDummyFunctionSummary({})

llvm::FunctionSummary::makeDummyFunctionSummary

static FunctionSummary makeDummyFunctionSummary(std::vector< FunctionSummary::EdgeTy > Edges)

Create an empty FunctionSummary (with specified call edges).

Definition: ModuleSummaryIndex.h:833

A dummy node to reference external functions that aren't in the index.

Definition at line 852 of file ModuleSummaryIndex.h.

Referenced by llvm::GraphTraits< ValueInfo >::child_begin(), llvm::GraphTraits< ValueInfo >::child_edge_begin(), llvm::GraphTraits< ValueInfo >::child_edge_end(), and llvm::GraphTraits< ValueInfo >::child_end().

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

include/llvm/IR/ModuleSummaryIndex.h
lib/IR/ModuleSummaryIndex.cpp

Classes

Public Types

Public Member Functions

Static Public Member Functions

Static Public Attributes

Friends

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ EdgeTy

Member Enumeration Documentation

◆ ForceSummaryHotnessType

Constructor & Destructor Documentation

◆ FunctionSummary()

Member Function Documentation

◆ addCall()

◆ addCallsite()

◆ addTypeTest()

◆ allocs()

◆ calls()

◆ callsites()

◆ classof()

◆ entryCount()

◆ fflags()

◆ getTypeIdInfo()

◆ instCount()

◆ makeDummyFunctionSummary()

◆ mutableAllocs()

◆ mutableCalls()

◆ mutableCallsites()

◆ paramAccesses()

◆ setEntryCount()

◆ setNoRecurse()

◆ setNoUnwind()

◆ setParamAccesses()

◆ specialRefCounts()

◆ type_checked_load_const_vcalls()

◆ type_checked_load_vcalls()

◆ type_test_assume_const_vcalls()

◆ type_test_assume_vcalls()

◆ type_tests()

Friends And Related Function Documentation

◆ GraphTraits< ValueInfo >

Member Data Documentation

◆ ExternalNode