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ssa_private::CFG< CFGNodeT, CFGEdgeT > Class Template Reference

Description

template<class CFGNodeT, class CFGEdgeT>
class ssa_private::CFG< CFGNodeT, CFGEdgeT >

A class holding a Control Flow Graph.

Definition at line 23 of file boostGraphCFG.h.

#include <midend/programAnalysis/staticSingleAssignment/boostGraphCFG.h>

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Classes

struct  EdgeCopier
 This class is used to copy edges when calling copy_graph(). More...
 
struct  VertexCopier
 This class is used to copy vertices when calling copy_graph(). More...
 

Public Types

typedef boost::graph_traits< CFG< CFGNodeT, CFGEdgeT > > GraphTraits
 
typedef CFGNodeT CFGNodeType
 
typedef CFGEdgeT CFGEdgeType
 
typedef boost::shared_ptr< CFGNodeType > CFGNodePtr
 
typedef boost::shared_ptr< CFGEdgeType > CFGEdgePtr
 
typedef GraphTraits::vertex_descriptor Vertex
 
typedef GraphTraits::edge_descriptor Edge
 
typedef std::map< Vertex, Vertex > VertexVertexMap
 

Public Member Functions

 CFG ()
 The default constructor.
 
 CFG (SgFunctionDefinition *funcDef)
 The constructor building the CFG.
 
void build (SgFunctionDefinition *funcDef)
 Build the actual CFG for the given function.
 
SgFunctionDefinition * getFunctionDefinition () const
 Get the function definition of this CFG.
 
const Vertex & getEntry () const
 Get the entry node of the CFG.
 
const Vertex & getExit () const
 Get the exit node of the CFG.
 
const VertexVertexMap & getDominatorTree ()
 Build the dominator tree of this CFG.
 
const VertexVertexMap & getPostdominatorTree ()
 Build the postdominator tree of this CFG.
 
CFG< CFGNodeT, CFGEdgeT > makeReverseCopy () const
 Build a reverse CFG.
 
std::vector< CFGNodePtr > getAllNodes () const
 Get all CFG nodes in this graph.
 
std::vector< CFGEdgePtr > getAllEdges () const
 Get all CFG edges in this graph.
 
Vertex getVertexForNode (const CFGNodeType &node) const
 Given a CFG node, returns the corresponding vertex in the graph.
 
std::vector< Edge > getAllBackEdges ()
 Get all back edges in the CFG. A back edge is one whose target dominates its source.
 
std::vector< Vertex > getAllLoopHeaders ()
 Get all loop headers in this CFG. A natural loop only has one header.
 

Protected Member Functions

void buildCFG (const CFGNodeType &node, std::map< CFGNodeType, Vertex > &nodesAdded, std::set< CFGNodeType > &nodesProcessed)
 A internal funtion which builds the actual CFG (boost::graph).
 
void setEntryAndExit ()
 Find the entry and exit of this CFG and set the corresponding members.
 

Protected Attributes

SgFunctionDefinition * funcDef_
 The function definition of this CFG.
 
Vertex entry_
 The entry node.
 
Vertex exit_
 The exit node.
 
std::map< CFGNodeType, Vertex > nodesToVertices_
 A map from a CFG node to the corresponding vertex.
 
VertexVertexMap dominatorTree_
 The dominator tree of this CFG.
 
VertexVertexMap postdominatorTree_
 The postdominator tree of this CFG.
 

Member Typedef Documentation

◆ GraphTraits

template<class CFGNodeT , class CFGEdgeT >
typedef boost::graph_traits<CFG<CFGNodeT, CFGEdgeT> > ssa_private::CFG< CFGNodeT, CFGEdgeT >::GraphTraits

Definition at line 27 of file boostGraphCFG.h.

◆ CFGNodeType

template<class CFGNodeT , class CFGEdgeT >
typedef CFGNodeT ssa_private::CFG< CFGNodeT, CFGEdgeT >::CFGNodeType

Definition at line 30 of file boostGraphCFG.h.

◆ CFGEdgeType

template<class CFGNodeT , class CFGEdgeT >
typedef CFGEdgeT ssa_private::CFG< CFGNodeT, CFGEdgeT >::CFGEdgeType

Definition at line 31 of file boostGraphCFG.h.

◆ CFGNodePtr

template<class CFGNodeT , class CFGEdgeT >
typedef boost::shared_ptr<CFGNodeType> ssa_private::CFG< CFGNodeT, CFGEdgeT >::CFGNodePtr

Definition at line 33 of file boostGraphCFG.h.

◆ CFGEdgePtr

template<class CFGNodeT , class CFGEdgeT >
typedef boost::shared_ptr<CFGEdgeType> ssa_private::CFG< CFGNodeT, CFGEdgeT >::CFGEdgePtr

Definition at line 34 of file boostGraphCFG.h.

◆ Vertex

template<class CFGNodeT , class CFGEdgeT >
typedef GraphTraits::vertex_descriptor ssa_private::CFG< CFGNodeT, CFGEdgeT >::Vertex

Definition at line 36 of file boostGraphCFG.h.

◆ Edge

template<class CFGNodeT , class CFGEdgeT >
typedef GraphTraits::edge_descriptor ssa_private::CFG< CFGNodeT, CFGEdgeT >::Edge

Definition at line 37 of file boostGraphCFG.h.

◆ VertexVertexMap

template<class CFGNodeT , class CFGEdgeT >
typedef std::map<Vertex, Vertex> ssa_private::CFG< CFGNodeT, CFGEdgeT >::VertexVertexMap

Definition at line 39 of file boostGraphCFG.h.

Constructor & Destructor Documentation

◆ CFG() [1/2]

template<class CFGNodeT , class CFGEdgeT >
ssa_private::CFG< CFGNodeT, CFGEdgeT >::CFG ( )
inline

The default constructor.

Definition at line 64 of file boostGraphCFG.h.

◆ CFG() [2/2]

template<class CFGNodeT , class CFGEdgeT >
ssa_private::CFG< CFGNodeT, CFGEdgeT >::CFG ( SgFunctionDefinition *  funcDef)
inlineexplicit

The constructor building the CFG.

Definition at line 72 of file boostGraphCFG.h.

References ssa_private::CFG< CFGNodeT, CFGEdgeT >::build().

Member Function Documentation

◆ build()

template<class CFGNodeT , class CFGEdgeT >
void ssa_private::CFG< CFGNodeT, CFGEdgeT >::build ( SgFunctionDefinition *  funcDef)

Build the actual CFG for the given function.

Definition at line 163 of file boostGraphCFG.h.

References SgNode::cfgForBeginning().

Referenced by ssa_private::CFG< CFGNodeT, CFGEdgeT >::CFG().

◆ getFunctionDefinition()

template<class CFGNodeT , class CFGEdgeT >
SgFunctionDefinition * ssa_private::CFG< CFGNodeT, CFGEdgeT >::getFunctionDefinition ( ) const
inline

Get the function definition of this CFG.

Definition at line 84 of file boostGraphCFG.h.

References ssa_private::CFG< CFGNodeT, CFGEdgeT >::funcDef_.

◆ getEntry()

template<class CFGNodeT , class CFGEdgeT >
const Vertex & ssa_private::CFG< CFGNodeT, CFGEdgeT >::getEntry ( ) const
inline

Get the entry node of the CFG.

Definition at line 88 of file boostGraphCFG.h.

References ssa_private::CFG< CFGNodeT, CFGEdgeT >::entry_.

◆ getExit()

template<class CFGNodeT , class CFGEdgeT >
const Vertex & ssa_private::CFG< CFGNodeT, CFGEdgeT >::getExit ( ) const
inline

Get the exit node of the CFG.

Definition at line 92 of file boostGraphCFG.h.

References ssa_private::CFG< CFGNodeT, CFGEdgeT >::exit_.

◆ getDominatorTree()

template<class CFGNodeT , class CFGEdgeT >
const CFG< CFGNodeT, CFGEdgeT >::VertexVertexMap & ssa_private::CFG< CFGNodeT, CFGEdgeT >::getDominatorTree ( )

Build the dominator tree of this CFG.

Returns
A map from each node to its immediate dominator.

Definition at line 279 of file boostGraphCFG.h.

◆ getPostdominatorTree()

template<class CFGNodeT , class CFGEdgeT >
const CFG< CFGNodeT, CFGEdgeT >::VertexVertexMap & ssa_private::CFG< CFGNodeT, CFGEdgeT >::getPostdominatorTree ( )

Build the postdominator tree of this CFG.

Definition at line 292 of file boostGraphCFG.h.

◆ makeReverseCopy()

template<class CFGNodeT , class CFGEdgeT >
CFG< CFGNodeT, CFGEdgeT > ssa_private::CFG< CFGNodeT, CFGEdgeT >::makeReverseCopy ( ) const

Build a reverse CFG.

Definition at line 305 of file boostGraphCFG.h.

References ssa_private::CFG< CFGNodeT, CFGEdgeT >::entry_, and ssa_private::CFG< CFGNodeT, CFGEdgeT >::exit_.

◆ getAllNodes()

template<class CFGNodeT , class CFGEdgeT >
std::vector< typename CFG< CFGNodeT, CFGEdgeT >::CFGNodePtr > ssa_private::CFG< CFGNodeT, CFGEdgeT >::getAllNodes ( ) const

Get all CFG nodes in this graph.

Definition at line 321 of file boostGraphCFG.h.

◆ getAllEdges()

template<class CFGNodeT , class CFGEdgeT >
std::vector< typename CFG< CFGNodeT, CFGEdgeT >::CFGEdgePtr > ssa_private::CFG< CFGNodeT, CFGEdgeT >::getAllEdges ( ) const

Get all CFG edges in this graph.

Definition at line 331 of file boostGraphCFG.h.

◆ getVertexForNode()

template<class CFGNodeT , class CFGEdgeT >
CFG< CFGNodeT, CFGEdgeT >::Vertex ssa_private::CFG< CFGNodeT, CFGEdgeT >::getVertexForNode ( const CFGNodeType &  node) const

Given a CFG node, returns the corresponding vertex in the graph.

Returns Vertex::null_vertex() if the given node is not in the graph

Definition at line 340 of file boostGraphCFG.h.

◆ getAllBackEdges()

template<class CFGNodeT , class CFGEdgeT >
std::vector< typename CFG< CFGNodeT, CFGEdgeT >::Edge > ssa_private::CFG< CFGNodeT, CFGEdgeT >::getAllBackEdges ( )

Get all back edges in the CFG. A back edge is one whose target dominates its source.

Definition at line 353 of file boostGraphCFG.h.

◆ getAllLoopHeaders()

template<class CFGNodeT , class CFGEdgeT >
std::vector< typename CFG< CFGNodeT, CFGEdgeT >::Vertex > ssa_private::CFG< CFGNodeT, CFGEdgeT >::getAllLoopHeaders ( )

Get all loop headers in this CFG. A natural loop only has one header.

Definition at line 382 of file boostGraphCFG.h.

◆ buildCFG()

template<class CFGNodeT , class CFGEdgeT >
void ssa_private::CFG< CFGNodeT, CFGEdgeT >::buildCFG ( const CFGNodeType &  node,
std::map< CFGNodeType, Vertex > &  nodesAdded,
std::set< CFGNodeType > &  nodesProcessed 
)
protected

A internal funtion which builds the actual CFG (boost::graph).

Definition at line 216 of file boostGraphCFG.h.

◆ setEntryAndExit()

template<class CFGNodeT , class CFGEdgeT >
void ssa_private::CFG< CFGNodeT, CFGEdgeT >::setEntryAndExit ( )
protected

Find the entry and exit of this CFG and set the corresponding members.

Definition at line 187 of file boostGraphCFG.h.

Member Data Documentation

◆ funcDef_

template<class CFGNodeT , class CFGEdgeT >
SgFunctionDefinition* ssa_private::CFG< CFGNodeT, CFGEdgeT >::funcDef_
protected

The function definition of this CFG.

Definition at line 44 of file boostGraphCFG.h.

Referenced by ssa_private::CFG< CFGNodeT, CFGEdgeT >::getFunctionDefinition().

◆ entry_

template<class CFGNodeT , class CFGEdgeT >
Vertex ssa_private::CFG< CFGNodeT, CFGEdgeT >::entry_
protected

The entry node.

Definition at line 47 of file boostGraphCFG.h.

Referenced by ssa_private::CFG< CFGNodeT, CFGEdgeT >::getEntry(), and ssa_private::CFG< CFGNodeT, CFGEdgeT >::makeReverseCopy().

◆ exit_

template<class CFGNodeT , class CFGEdgeT >
Vertex ssa_private::CFG< CFGNodeT, CFGEdgeT >::exit_
protected

The exit node.

Definition at line 50 of file boostGraphCFG.h.

Referenced by ssa_private::CFG< CFGNodeT, CFGEdgeT >::getExit(), and ssa_private::CFG< CFGNodeT, CFGEdgeT >::makeReverseCopy().

◆ nodesToVertices_

template<class CFGNodeT , class CFGEdgeT >
std::map<CFGNodeType, Vertex> ssa_private::CFG< CFGNodeT, CFGEdgeT >::nodesToVertices_
protected

A map from a CFG node to the corresponding vertex.

Definition at line 53 of file boostGraphCFG.h.

◆ dominatorTree_

template<class CFGNodeT , class CFGEdgeT >
VertexVertexMap ssa_private::CFG< CFGNodeT, CFGEdgeT >::dominatorTree_
protected

The dominator tree of this CFG.

Definition at line 56 of file boostGraphCFG.h.

◆ postdominatorTree_

template<class CFGNodeT , class CFGEdgeT >
VertexVertexMap ssa_private::CFG< CFGNodeT, CFGEdgeT >::postdominatorTree_
protected

The postdominator tree of this CFG.

Definition at line 59 of file boostGraphCFG.h.

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