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< NodeType, EdgeType >
	DGEdge ()=delete
	DGEdge (NodeType &N)
	Create an edge pointing to the given node N.
	DGEdge (const DGEdge< NodeType, EdgeType > &E)
DGEdge< NodeType, EdgeType > &	operator= (const DGEdge< NodeType, EdgeType > &E)
bool	operator== (const DGEdge &E) const
	Static polymorphism: delegate implementation (via isEqualTo) to the derived class.
bool	operator!= (const DGEdge &E) const
const NodeType &	getTargetNode () const
	Retrieve the target node this edge connects to.
NodeType &	getTargetNode ()
void	setTargetNode (const NodeType &N)
	Set the target node this edge connects to.

Additional Inherited Members
Protected Member Functions inherited from llvm::DGEdge< NodeType, EdgeType >
bool	isEqualTo (const EdgeType &E) const
EdgeType &	getDerived ()
const EdgeType &	getDerived () const
Protected Attributes inherited from llvm::DGEdge< NodeType, EdgeType >
NodeType &	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 213 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 216 of file DDG.h.

Constructor & Destructor Documentation

DDGEdge() [1/4]

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

explicitdelete

DDGEdge() [2/4]

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

inline

Definition at line 225 of file DDG.h.

DDGEdge() [3/4]

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

inline

Definition at line 226 of file DDG.h.

DDGEdge() [4/4]

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

inline

Definition at line 227 of file DDG.h.

Member Function Documentation

getKind()

EdgeKind llvm::DDGEdge::getKind ( ) const

inline

Get the edge kind.

Definition at line 237 of file DDG.h.

Referenced by llvm::operator<<().

isDefUse()

bool llvm::DDGEdge::isDefUse ( ) const

inline

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

Definition at line 240 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 243 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 247 of file DDG.h.

References Rooted.

operator=() [1/2]

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

default

operator=() [2/2]

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

inline

Definition at line 230 of file DDG.h.

References E, and llvm::DGEdge< NodeType, EdgeType >::operator=().

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

• include/llvm/Analysis/DDG.h