#include <SVFStatements.h>

Inheritance diagram for SVF::PhiStmt:

Public Types
typedef std::vector< const ICFGNode * >	OpICFGNodeVec
Public Types inherited from SVF::MultiOpndStmt
typedef std::vector< ValVar * >	OPVars
Public Types inherited from SVF::SVFStmt
enum	PEDGEK { Addr , Copy , Store , Load , Call , Ret , Gep , Phi , Select , Cmp , BinaryOp , UnaryOp , Branch , ThreadFork , ThreadJoin }
typedef GenericNode< SVFVar, SVFStmt >::GEdgeSetTy	SVFStmtSetTy
typedef Map< EdgeID, SVFStmtSetTy >	PAGEdgeToSetMapTy
typedef PAGEdgeToSetMapTy	KindToSVFStmtMapTy
typedef SVFStmtSetTy	PAGEdgeSetTy
Public Types inherited from SVF::GenericEdge< SVFVar >
typedef SVFVar	NodeType
	Node type.
typedef u64_t	GEdgeFlag
typedef s64_t	GEdgeKind
typedef struct SVF::GenericEdge::equalGEdge	equalGEdge
	Add the hash function for std::set (we also can overload operator< to implement this).

Public Member Functions
	PhiStmt (ValVar *res, const OPVars &opnds, const OpICFGNodeVec &icfgNodes)
	constructor
void	addOpVar (ValVar op, const ICFGNode inode)
void	setOpICFGNodeVec (OpICFGNodeVec &icfgNodes)
const OpICFGNodeVec *	getOpICFGNodeVec () const
const ICFGNode *	getOpICFGNode (u32_t op_idx) const
	Return the corresponding ICFGNode of this operand.
bool	isFunctionRetPhi () const
virtual const std::string	toString () const override
Public Member Functions inherited from SVF::MultiOpndStmt
const ValVar *	getOpVar (u32_t pos) const
	Operand SVFVars.
const ValVar *	getRes () const
	Result SVFVar.
NodeID	getOpVarID (u32_t pos) const
NodeID	getResID () const
u32_t	getOpVarNum () const
const OPVars &	getOpndVars () const
OPVars::const_iterator	opVarBegin () const
OPVars::const_iterator	opVerEnd () const
Public Member Functions inherited from SVF::SVFStmt
	SVFStmt (SVFVar s, SVFVar d, GEdgeFlag k, bool real=true)
	Constructor.
	~SVFStmt ()
	Destructor.
EdgeID	getEdgeID () const
	Return Edge ID.
virtual bool	isPTAEdge () const
	Whether src and dst nodes are both of pointer type.
void	setValue (const SVFVar *val)
	Get/set methods for llvm instruction.
const SVFVar *	getValue () const
void	setBB (const SVFBasicBlock *bb)
const SVFBasicBlock *	getBB () const
void	setICFGNode (ICFGNode *node)
ICFGNode *	getICFGNode () const
Public Member Functions inherited from SVF::GenericEdge< SVFVar >
	GenericEdge (SVFVar s, SVFVar d, GEdgeFlag k)
	Constructor.
virtual	~GenericEdge ()
	Destructor.
NodeID	getSrcID () const
	get methods of the components
NodeID	getDstID () const
GEdgeKind	getEdgeKind () const
GEdgeKind	getEdgeKindWithoutMask () const
NodeType *	getSrcNode () const
NodeType *	getDstNode () const
virtual bool	operator== (const GenericEdge< NodeType > *rhs) const

Static Public Member Functions
static bool	classof (const PhiStmt *)
	Methods for support type inquiry through isa, cast, and dyn_cast:
static bool	classof (const SVFStmt *edge)
static bool	classof (const MultiOpndStmt *edge)
static bool	classof (const GenericPAGEdgeTy *edge)
Static Public Member Functions inherited from SVF::MultiOpndStmt
static bool	classof (const MultiOpndStmt *)
	Methods for support type inquiry through isa, cast, and dyn_cast:
static bool	classof (const SVFStmt *node)
static bool	classof (const GenericPAGEdgeTy *node)
Static Public Member Functions inherited from SVF::SVFStmt
static bool	classof (const SVFStmt *)
	ClassOf.
static bool	classof (const GenericPAGEdgeTy *edge)
static GEdgeFlag	makeEdgeFlagWithAddionalOpnd (GEdgeKind k, const SVFVar *var)
static GEdgeFlag	makeEdgeFlagWithCallInst (GEdgeKind k, const ICFGNode *cs)
static GEdgeFlag	makeEdgeFlagWithStoreInst (GEdgeKind k, const ICFGNode *store)
static const Inst2LabelMap *	getInst2LabelMap ()
static const Var2LabelMap *	getVar2LabelMap ()
static const u64_t *	getCallEdgeLabelCounter ()
static const u64_t *	getStoreEdgeLabelCounter ()
static const u64_t *	getMultiOpndLabelCounter ()

Private Member Functions
	PhiStmt (const PhiStmt &)
	place holder
void	operator= (const PhiStmt &)
	place holder

Private Attributes
OpICFGNodeVec	opICFGNodes

Friends
class	GraphDBClient

Additional Inherited Members
Protected Member Functions inherited from SVF::MultiOpndStmt
	MultiOpndStmt (ValVar *r, const OPVars &opnds, GEdgeFlag k)
	Constructor, only used by subclasses but not external users.
Protected Member Functions inherited from SVF::SVFStmt
	SVFStmt (GEdgeFlag k)
	Private constructor for reading SVFIR from file without side-effect.
	SVFStmt (SVFVar s, SVFVar d, GEdgeFlag k, EdgeID eid, SVFVar value, ICFGNode icfgNode, bool real=true)
void	setBasicBlock (const SVFBasicBlock *bb)
void	setCallEdgeLabelCounter (u64_t counter)
void	setStoreEdgeLabelCounter (u64_t counter)
void	setMultiOpndLabelCounter (u64_t counter)
Static Protected Member Functions inherited from SVF::SVFStmt
static void	addInst2Labeled (const ICFGNode *cs, u32_t label)
static void	addVar2Labeled (const SVFVar *var, u32_t label)
Protected Attributes inherited from SVF::MultiOpndStmt
OPVars	opVars
Static Protected Attributes inherited from SVF::GenericEdge< SVFVar >
static constexpr unsigned char	EdgeKindMaskBits
	We use the lower 8 bits to denote edge kind.
static constexpr u64_t	EdgeKindMask

Detailed Description

Phi statement (e.g., p = phi(q,r) which receives values from variables q and r from different paths) it is typically at a joint point of the control-flow graph

Definition at line 911 of file SVFStatements.h.

Member Typedef Documentation

◆ OpICFGNodeVec

typedef std::vector<const ICFGNode*> SVF::PhiStmt::OpICFGNodeVec

Definition at line 915 of file SVFStatements.h.

Constructor & Destructor Documentation

◆ PhiStmt() [1/2]

SVF::PhiStmt::PhiStmt ( const PhiStmt & )

private

place holder

◆ PhiStmt() [2/2]

SVF::PhiStmt::PhiStmt	(	ValVar *	res,
		const OPVars &	opnds,
		const OpICFGNodeVec &	icfgNodes )

inline

constructor

Definition at line 945 of file SVFStatements.h.

        : MultiOpndStmt(res, opnds, SVFStmt::Phi), opICFGNodes(icfgNodes)
    {
        assert(opnds.size() == icfgNodes.size() &&
               "Numbers of operands and their ICFGNodes are not consistent?");
    }

Member Function Documentation

◆ addOpVar()

void SVF::PhiStmt::addOpVar	(	ValVar *	op,
		const ICFGNode *	inode )

inline

Definition at line 951 of file SVFStatements.h.

    {
        opVars.push_back(op);
        opICFGNodes.push_back(inode);
        assert(opVars.size() == opICFGNodes.size() &&
               "Numbers of operands and their ICFGNodes are not consistent?");
    }

◆ classof() [1/4]

bool SVF::PhiStmt::classof ( const GenericPAGEdgeTy * edge )

inlinestatic

Definition at line 938 of file SVFStatements.h.

    {
        return edge->getEdgeKind() == SVFStmt::Phi;
    }

◆ classof() [2/4]

bool SVF::PhiStmt::classof ( const MultiOpndStmt * edge )

inlinestatic

Definition at line 934 of file SVFStatements.h.

    {
        return edge->getEdgeKind() == SVFStmt::Phi;
    }

◆ classof() [3/4]

bool SVF::PhiStmt::classof ( const PhiStmt * )

inlinestatic

Methods for support type inquiry through isa, cast, and dyn_cast:

Definition at line 926 of file SVFStatements.h.

    {
        return true;
    }

◆ classof() [4/4]

bool SVF::PhiStmt::classof ( const SVFStmt * edge )

inlinestatic

Definition at line 930 of file SVFStatements.h.

    {
        return edge->getEdgeKind() == SVFStmt::Phi;
    }

◆ getOpICFGNode()

const ICFGNode * SVF::PhiStmt::getOpICFGNode ( u32_t op_idx ) const

inline

Return the corresponding ICFGNode of this operand.

Definition at line 972 of file SVFStatements.h.

    {
        return opICFGNodes.at(op_idx);
    }

◆ getOpICFGNodeVec()

const OpICFGNodeVec * SVF::PhiStmt::getOpICFGNodeVec ( ) const

inline

Definition at line 966 of file SVFStatements.h.

    {
        return &opICFGNodes;
    }

◆ isFunctionRetPhi()

bool PhiStmt::isFunctionRetPhi ( ) const

Return true if this is a phi at the function exit to receive one or multiple return values of this function

Definition at line 464 of file SVFStatements.cpp.

{
    return SVFUtil::isa<RetValPN>(getRes());
}

◆ operator=()

void SVF::PhiStmt::operator= ( const PhiStmt & )

private

place holder

◆ setOpICFGNodeVec()

void SVF::PhiStmt::setOpICFGNodeVec ( OpICFGNodeVec & icfgNodes )

inline

Definition at line 959 of file SVFStatements.h.

    {
        assert(opVars.size() == icfgNodes.size() &&
               "Numbers of operands and their ICFGNodes are not consistent?");
        opICFGNodes = icfgNodes;
    }

◆ toString()

const std::string PhiStmt::toString ( ) const

overridevirtual

Reimplemented from SVF::SVFStmt.

Definition at line 110 of file SVFStatements.cpp.

{
    std::string str;
    std::stringstream rawstr(str);
    rawstr << "PhiStmt: [Var" << getResID() << " <-- (";
    for(u32_t i = 0; i < getOpVarNum(); i++)
        rawstr << "[Var" << getOpVar(i)->getId() << ", ICFGNode" << getOpICFGNode(i)->getId() <<  "],";
    rawstr << ")]\t";
    if (Options::ShowSVFIRValue())
    {
        rawstr << "\n";
        rawstr << getValue()->toString();
    }
    return rawstr.str();
}

◆ GraphDBClient

friend class GraphDBClient

friend

Definition at line 913 of file SVFStatements.h.

Member Data Documentation

◆ opICFGNodes

OpICFGNodeVec SVF::PhiStmt::opICFGNodes

private

Definition at line 921 of file SVFStatements.h.

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

/home/runner/work/SVF/SVF/svf/include/SVFIR/SVFStatements.h
/home/runner/work/SVF/SVF/svf/lib/SVFIR/SVFStatements.cpp

Public Types

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Friends

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ OpICFGNodeVec

Constructor & Destructor Documentation

◆ PhiStmt() [1/2]

◆ PhiStmt() [2/2]

Member Function Documentation

◆ addOpVar()

◆ classof() [1/4]

◆ classof() [2/4]

◆ classof() [3/4]

◆ classof() [4/4]

◆ getOpICFGNode()

◆ getOpICFGNodeVec()

◆ isFunctionRetPhi()

◆ operator=()

◆ setOpICFGNodeVec()

◆ toString()

Friends And Related Symbol Documentation

◆ GraphDBClient

Member Data Documentation

◆ opICFGNodes