llvm::DDGEdge Class Reference

Data Dependency Graph Edge. More...

#include "llvm/Analysis/DDG.h"

Inheritance diagram for llvm::DDGEdge:

Public Types
enum class	EdgeKind {   Unknown , RegisterDefUse , MemoryDependence , Rooted ,   Last = Rooted }
	The kind of edge in the DDG. More...

Public Member Functions
	DDGEdge (DDGNode &N)=delete
	DDGEdge (DDGNode &N, EdgeKind K)
	DDGEdge (const DDGEdge &E)
	DDGEdge (DDGEdge &&E)
DDGEdge &	operator= (const DDGEdge &E)=default
DDGEdge &	operator= (DDGEdge &&E)
EdgeKind	getKind () const
	Get the edge kind.
bool	isDefUse () const
	Return true if this is a def-use edge, and false otherwise.
bool	isMemoryDependence () const
	Return true if this is a memory dependence edge, and false otherwise.
bool	isRooted () const
	Return true if this is an edge stemming from the root node, and false otherwise.
Public Member Functions inherited from llvm::DGEdge< DDGNode, DDGEdge >
	DGEdge ()=delete
	DGEdge (DDGNode &N)
	Create an edge pointing to the given node N.
	DGEdge (const DGEdge< DDGNode, DDGEdge > &E)
DGEdge< DDGNode, DDGEdge > &	operator= (const DGEdge< DDGNode, DDGEdge > &E)
bool	operator== (const DGEdge &E) const
	Static polymorphism: delegate implementation (via isEqualTo) to the derived class.
bool	operator!= (const DGEdge &E) const
const DDGNode &	getTargetNode () const
	Retrieve the target node this edge connects to.
DDGNode &	getTargetNode ()
void	setTargetNode (const DDGNode &N)
	Set the target node this edge connects to.

Additional Inherited Members
Protected Member Functions inherited from llvm::DGEdge< DDGNode, DDGEdge >
bool	isEqualTo (const DDGEdge &E) const
DDGEdge &	getDerived ()
const DDGEdge &	getDerived () const
Protected Attributes inherited from llvm::DGEdge< DDGNode, DDGEdge >
DDGNode &	TargetNode

Detailed Description

Data Dependency Graph Edge.

An edge in the DDG can represent a def-use relationship or a memory dependence based on the result of DependenceAnalysis. A rooted edge connects the root node to one of the components of the graph.

Definition at line 214 of file DDG.h.

Member Enumeration Documentation

EdgeKind

enum class llvm::DDGEdge::EdgeKind

strong

The kind of edge in the DDG.

Enumerator
Unknown
RegisterDefUse
MemoryDependence
Rooted
Last

Definition at line 217 of file DDG.h.

Constructor & Destructor Documentation

DDGEdge() [1/4]

llvm::DDGEdge::DDGEdge ( DDGNode & N )

explicitdelete

References N.

Referenced by DDGEdge(), DDGEdge(), operator=(), and operator=().

DDGEdge() [2/4]

llvm::DDGEdge::DDGEdge ( DDGNode & N, EdgeKind K )

inline

Definition at line 226 of file DDG.h.

References N.

DDGEdge() [3/4]

llvm::DDGEdge::DDGEdge ( const DDGEdge & E )

inline

Definition at line 227 of file DDG.h.

References DDGEdge(), E(), and getKind().

DDGEdge() [4/4]

llvm::DDGEdge::DDGEdge ( DDGEdge && E )

inline

Definition at line 228 of file DDG.h.

References DDGEdge(), E(), and llvm::move().

Member Function Documentation

getKind()

EdgeKind llvm::DDGEdge::getKind ( ) const

inline

Get the edge kind.

Definition at line 238 of file DDG.h.

Referenced by DDGEdge().

isDefUse()

bool llvm::DDGEdge::isDefUse ( ) const

inline

Return true if this is a def-use edge, and false otherwise.

Definition at line 241 of file DDG.h.

References RegisterDefUse.

isMemoryDependence()

bool llvm::DDGEdge::isMemoryDependence ( ) const

inline

Return true if this is a memory dependence edge, and false otherwise.

Definition at line 244 of file DDG.h.

References MemoryDependence.

isRooted()

bool llvm::DDGEdge::isRooted ( ) const

inline

Return true if this is an edge stemming from the root node, and false otherwise.

Definition at line 248 of file DDG.h.

References Rooted.

operator=() [1/2]

DDGEdge & llvm::DDGEdge::operator= ( const DDGEdge & E )

default

References DDGEdge(), and E().

operator=() [2/2]

DDGEdge & llvm::DDGEdge::operator= ( DDGEdge && E )

inline

Definition at line 231 of file DDG.h.

References DDGEdge(), E(), and llvm::DGEdge< DDGNode, DDGEdge >::operator=().

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

• include/llvm/Analysis/DDG.h