SVF::CmpStmt Class Reference

#include <SVFStatements.h>

Inheritance diagram for SVF::CmpStmt:

Public Types
enum	Predicate : unsigned {   FCMP_FALSE = 0 , FCMP_OEQ = 1 , FCMP_OGT = 2 , FCMP_OGE = 3 ,   FCMP_OLT = 4 , FCMP_OLE = 5 , FCMP_ONE = 6 , FCMP_ORD = 7 ,   FCMP_UNO = 8 , FCMP_UEQ = 9 , FCMP_UGT = 10 , FCMP_UGE = 11 ,   FCMP_ULT = 12 , FCMP_ULE = 13 , FCMP_UNE = 14 , FCMP_TRUE = 15 ,   FIRST_FCMP_PREDICATE = FCMP_FALSE , LAST_FCMP_PREDICATE = FCMP_TRUE , BAD_FCMP_PREDICATE = FCMP_TRUE + 1 , ICMP_EQ = 32 ,   ICMP_NE = 33 , ICMP_UGT = 34 , ICMP_UGE = 35 , ICMP_ULT = 36 ,   ICMP_ULE = 37 , ICMP_SGT = 38 , ICMP_SGE = 39 , ICMP_SLT = 40 ,   ICMP_SLE = 41 , FIRST_ICMP_PREDICATE = ICMP_EQ , LAST_ICMP_PREDICATE = ICMP_SLE , BAD_ICMP_PREDICATE = ICMP_SLE + 1 }
	OpCode for CmpStmt, enum value is same to llvm CmpInst. More...
Public Types inherited from SVF::MultiOpndStmt
typedef std::vector< SVFVar * >	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< NodeTy >
typedef NodeTy	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
	CmpStmt (SVFVar *s, const OPVars &opnds, u32_t pre)
	constructor
u32_t	getPredicate () const
virtual const std::string	toString () const override
Public Member Functions inherited from SVF::MultiOpndStmt
const SVFVar *	getOpVar (u32_t pos) const
	Operand SVFVars.
const SVFVar *	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< NodeTy >
	GenericEdge (NodeTy *s, NodeTy *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 CmpStmt *)
	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)

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

Private Attributes
u32_t	predicate

Additional Inherited Members
Static Public Attributes inherited from SVF::SVFStmt
static u32_t	totalEdgeNum
	Total edge number.
Protected Member Functions inherited from SVF::MultiOpndStmt
	MultiOpndStmt (SVFVar *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.
Protected Attributes inherited from SVF::MultiOpndStmt
OPVars	opVars
Static Protected Attributes inherited from SVF::GenericEdge< NodeTy >
static constexpr unsigned char	EdgeKindMaskBits = 8
	We use the lower 8 bits to denote edge kind.
static constexpr u64_t	EdgeKindMask = (~0ULL) >> (64 - EdgeKindMaskBits)

Detailed Description

Comparison statement

Definition at line 890 of file SVFStatements.h.

Member Enumeration Documentation

Predicate

enum SVF::CmpStmt::Predicate : unsigned

OpCode for CmpStmt, enum value is same to llvm CmpInst.

Enumerator
FCMP_FALSE	0 0 0 0 Always false (always folded)
FCMP_OEQ	0 0 0 1 True if ordered and equal
FCMP_OGT	0 0 1 0 True if ordered and greater than
FCMP_OGE	0 0 1 1 True if ordered and greater than or equal
FCMP_OLT	0 1 0 0 True if ordered and less than
FCMP_OLE	0 1 0 1 True if ordered and less than or equal
FCMP_ONE	0 1 1 0 True if ordered and operands are unequal
FCMP_ORD	0 1 1 1 True if ordered (no nans)
FCMP_UNO	1 0 0 0 True if unordered: isnan(X) | isnan(Y)
FCMP_UEQ	1 0 0 1 True if unordered or equal
FCMP_UGT	1 0 1 0 True if unordered or greater than
FCMP_UGE	1 0 1 1 True if unordered, greater than, or equal
FCMP_ULT	1 1 0 0 True if unordered or less than
FCMP_ULE	1 1 0 1 True if unordered, less than, or equal
FCMP_UNE	1 1 1 0 True if unordered or not equal
FCMP_TRUE	1 1 1 1 Always true (always folded)
FIRST_FCMP_PREDICATE
LAST_FCMP_PREDICATE
BAD_FCMP_PREDICATE
ICMP_EQ	equal
ICMP_NE	not equal
ICMP_UGT	unsigned greater than
ICMP_UGE	unsigned greater or equal
ICMP_ULT	unsigned less than
ICMP_ULE	unsigned less or equal
ICMP_SGT	signed greater than
ICMP_SGE	signed greater or equal
ICMP_SLT	signed less than
ICMP_SLE	signed less or equal
FIRST_ICMP_PREDICATE
LAST_ICMP_PREDICATE
BAD_ICMP_PREDICATE

Definition at line 901 of file SVFStatements.h.

    {
        // Opcode            U L G E    Intuitive operation
        FCMP_FALSE = 0, 
        FCMP_OEQ = 1,   
        FCMP_OGT = 2,   
        FCMP_OGE = 3,   
        FCMP_OLT = 4,   
        FCMP_OLE = 5,   
        FCMP_ONE = 6,   
        FCMP_ORD = 7,   
        FCMP_UNO = 8,   
        FCMP_UEQ = 9,   
        FCMP_UGT = 10,  
        FCMP_UGE = 11,  
        FCMP_ULT = 12,  
        FCMP_ULE = 13,  
        FCMP_UNE = 14,  
        FCMP_TRUE = 15, 
        FIRST_FCMP_PREDICATE = FCMP_FALSE,
        LAST_FCMP_PREDICATE = FCMP_TRUE,
        BAD_FCMP_PREDICATE = FCMP_TRUE + 1,
        ICMP_EQ = 32,  
        ICMP_NE = 33,  
        ICMP_UGT = 34, 
        ICMP_UGE = 35, 
        ICMP_ULT = 36, 
        ICMP_ULE = 37, 
        ICMP_SGT = 38, 
        ICMP_SGE = 39, 
        ICMP_SLT = 40, 
        ICMP_SLE = 41, 
        FIRST_ICMP_PREDICATE = ICMP_EQ,
        LAST_ICMP_PREDICATE = ICMP_SLE,
        BAD_ICMP_PREDICATE = ICMP_SLE + 1
    };

Constructor & Destructor Documentation

CmpStmt() [1/2]

SVF::CmpStmt::CmpStmt ( const CmpStmt &  )

private

place holder

CmpStmt() [2/2]

CmpStmt::CmpStmt	(	SVFVar *	s,
		const OPVars &	opnds,
		u32_t	pre
	)

constructor

Definition at line 350 of file SVFStatements.cpp.

    : MultiOpndStmt(s, opnds,
                    makeEdgeFlagWithAddionalOpnd(SVFStmt::Cmp, opnds.at(1))),
      predicate(pre)
{
    assert(opnds.size() == 2 && "CmpStmt can only have two operands!");
}

Member Function Documentation

classof() [1/4]

static bool SVF::CmpStmt::classof ( const CmpStmt *  )

inlinestatic

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

Definition at line 940 of file SVFStatements.h.

    {
        return true;
    }

classof() [2/4]

static bool SVF::CmpStmt::classof ( const GenericPAGEdgeTy *  edge )

inlinestatic

Definition at line 952 of file SVFStatements.h.

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

classof() [3/4]

static bool SVF::CmpStmt::classof ( const MultiOpndStmt *  edge )

inlinestatic

Definition at line 948 of file SVFStatements.h.

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

classof() [4/4]

static bool SVF::CmpStmt::classof ( const SVFStmt *  edge )

inlinestatic

Definition at line 944 of file SVFStatements.h.

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

getPredicate()

u32_t SVF::CmpStmt::getPredicate ( ) const

inline

Definition at line 961 of file SVFStatements.h.

    {
        return predicate;
    }

operator=()

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

private

place holder

toString()

const std::string CmpStmt::toString ( ) const

overridevirtual

Reimplemented from SVF::SVFStmt.

Definition at line 132 of file SVFStatements.cpp.

{
    std::string str;
    std::stringstream rawstr(str);
    rawstr << "CmpStmt: [Var" << getResID() << " <-- (Var" << getOpVarID(0) << " predicate" << getPredicate() << " Var" << getOpVarID(1) << ")]\t";
    if (Options::ShowSVFIRValue())
    {
        rawstr << "\n";
        rawstr << getValue()->toString();
    }
    return rawstr.str();
}

Member Data Documentation

predicate

u32_t SVF::CmpStmt::predicate

private

Definition at line 897 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