Static Value-Flow Analysis
Public Types | Public Member Functions | Static Public Member Functions | Private Member Functions | Private Attributes | Friends | List of all members
SVF::CopyStmt Class Reference

#include <SVFStatements.h>

Inheritance diagram for SVF::CopyStmt:
SVF::AssignStmt SVF::SVFStmt SVF::GenericEdge< NodeTy >

Public Types

enum  CopyKind {
  COPYVAL , ZEXT , SEXT , BITCAST ,
  TRUNC , FPTRUNC , FPTOUI , FPTOSI ,
  UITOFP , SITOFP , INTTOPTR , PTRTOINT
}
 
- 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, SVFStmtSetTyPAGEdgeToSetMapTy
 
typedef PAGEdgeToSetMapTy KindToSVFStmtMapTy
 
typedef SVFStmtSetTy PAGEdgeSetTy
 
- Public Types inherited from SVF::GenericEdge< NodeTy >
typedef NodeTy NodeType
 Node type. More...
 
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) More...
 

Public Member Functions

u32_t getCopyKind () const
 Return the kind of the copy statement. More...
 
bool isBitCast () const
 
bool isValueCopy () const
 
bool isInt2Ptr () const
 
bool isPtr2Int () const
 
bool isZext () const
 
bool isSext () const
 
 CopyStmt (SVFVar *s, SVFVar *d, CopyKind k)
 constructor More...
 
virtual const std::string toString () const override
 
- Public Member Functions inherited from SVF::AssignStmt
SVFVargetRHSVar () const
 
SVFVargetLHSVar () const
 
NodeID getRHSVarID () const
 
NodeID getLHSVarID () const
 
- Public Member Functions inherited from SVF::SVFStmt
 SVFStmt (SVFVar *s, SVFVar *d, GEdgeFlag k, bool real=true)
 Constructor. More...
 
 ~SVFStmt ()
 Destructor. More...
 
EdgeID getEdgeID () const
 Return Edge ID. More...
 
bool isPTAEdge () const
 Whether src and dst nodes are both of pointer type. More...
 
const SVFInstructiongetInst () const
 Get/set methods for llvm instruction. More...
 
void setValue (const SVFValue *val)
 
const SVFValuegetValue () const
 
void setBB (const SVFBasicBlock *bb)
 
const SVFBasicBlockgetBB () const
 
void setICFGNode (ICFGNode *node)
 
ICFGNodegetICFGNode () const
 
- Public Member Functions inherited from SVF::GenericEdge< NodeTy >
 GenericEdge (NodeTy *s, NodeTy *d, GEdgeFlag k)
 Constructor. More...
 
virtual ~GenericEdge ()
 Destructor. More...
 
NodeID getSrcID () const
 get methods of the components More...
 
NodeID getDstID () const
 
GEdgeKind getEdgeKind () const
 
GEdgeKind getEdgeKindWithoutMask () const
 
NodeTypegetSrcNode () const
 
NodeTypegetDstNode () const
 
virtual bool operator== (const GenericEdge< NodeType > *rhs) const
 

Static Public Member Functions

static bool classof (const CopyStmt *)
 Methods for support type inquiry through isa, cast, and dyn_cast: More...
 
static bool classof (const SVFStmt *edge)
 
static bool classof (const GenericPAGEdgeTy *edge)
 
- Static Public Member Functions inherited from SVF::AssignStmt
static bool classof (const AssignStmt *)
 Methods for support type inquiry through isa, cast, and dyn_cast: More...
 
static bool classof (const SVFStmt *edge)
 
static bool classof (const GenericPAGEdgeTy *edge)
 
- Static Public Member Functions inherited from SVF::SVFStmt
static bool classof (const SVFStmt *)
 ClassOf. More...
 
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

 CopyStmt ()
 Constructs empty CopyStmt (for SVFIRReader/serialization) More...
 
 CopyStmt (const CopyStmt &)
 place holder More...
 
void operator= (const CopyStmt &)
 place holder More...
 

Private Attributes

u32_t copyKind
 

Friends

class SVFIRWriter
 
class SVFIRReader
 

Additional Inherited Members

- Static Public Attributes inherited from SVF::SVFStmt
static u32_t totalEdgeNum
 Total edge number. More...
 
- Protected Member Functions inherited from SVF::AssignStmt
 AssignStmt (SVFVar *s, SVFVar *d, GEdgeFlag k)
 constructor More...
 
 AssignStmt (GEdgeFlag k)
 Constructor to create empty AssignStmt (for SVFIRReader/serialization) More...
 
- Protected Member Functions inherited from SVF::SVFStmt
 SVFStmt (GEdgeFlag k)
 Private constructor for reading SVFIR from file without side-effect. More...
 
- Static Protected Attributes inherited from SVF::GenericEdge< NodeTy >
static constexpr unsigned char EdgeKindMaskBits = 8
 We use the lower 8 bits to denote edge kind. More...
 
static constexpr u64_t EdgeKindMask = (~0ULL) >> (64 - EdgeKindMaskBits)
 

Detailed Description

Copy statements (simple assignment and casting)

Definition at line 364 of file SVFStatements.h.

Member Enumeration Documentation

◆ CopyKind

Enumerator
COPYVAL 
ZEXT 
SEXT 
BITCAST 
TRUNC 
FPTRUNC 
FPTOUI 
FPTOSI 
UITOFP 
SITOFP 
INTTOPTR 
PTRTOINT 

Definition at line 374 of file SVFStatements.h.

375  {
376  COPYVAL, // Value copies (default one)
377  ZEXT, // Zero extend integers
378  SEXT, // Sign extend integers
379  BITCAST, // Type cast
380  TRUNC, // Truncate integers
381  FPTRUNC, // Truncate floating point
382  FPTOUI, // floating point -> UInt
383  FPTOSI, // floating point -> SInt
384  UITOFP, // UInt -> floating point
385  SITOFP, // SInt -> floating point
386  INTTOPTR, // Integer -> Pointer
387  PTRTOINT // Pointer -> Integer
388  };

Constructor & Destructor Documentation

◆ CopyStmt() [1/3]

SVF::CopyStmt::CopyStmt ( )
inlineprivate

Constructs empty CopyStmt (for SVFIRReader/serialization)

Definition at line 370 of file SVFStatements.h.

AssignStmt()
place holder

◆ CopyStmt() [2/3]

SVF::CopyStmt::CopyStmt ( const CopyStmt )
private

place holder

◆ CopyStmt() [3/3]

SVF::CopyStmt::CopyStmt ( SVFVar s,
SVFVar d,
CopyKind  k 
)
inline

constructor

Definition at line 442 of file SVFStatements.h.

442 : AssignStmt(s, d, SVFStmt::Copy), copyKind(k) {}

Member Function Documentation

◆ classof() [1/3]

static bool SVF::CopyStmt::classof ( const CopyStmt )
inlinestatic

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

Definition at line 391 of file SVFStatements.h.

392  {
393  return true;
394  }

◆ classof() [2/3]

static bool SVF::CopyStmt::classof ( const GenericPAGEdgeTy edge)
inlinestatic

Definition at line 399 of file SVFStatements.h.

400  {
401  return edge->getEdgeKind() == SVFStmt::Copy;
402  }

◆ classof() [3/3]

static bool SVF::CopyStmt::classof ( const SVFStmt edge)
inlinestatic

Definition at line 395 of file SVFStatements.h.

396  {
397  return edge->getEdgeKind() == SVFStmt::Copy;
398  }

◆ getCopyKind()

u32_t SVF::CopyStmt::getCopyKind ( ) const
inline

Return the kind of the copy statement.

Definition at line 406 of file SVFStatements.h.

407  {
408  return copyKind;
409  }

◆ isBitCast()

bool SVF::CopyStmt::isBitCast ( ) const
inline

Definition at line 411 of file SVFStatements.h.

412  {
413  return copyKind == BITCAST;
414  }

◆ isInt2Ptr()

bool SVF::CopyStmt::isInt2Ptr ( ) const
inline

Definition at line 421 of file SVFStatements.h.

422  {
423  return copyKind == INTTOPTR;
424  }

◆ isPtr2Int()

bool SVF::CopyStmt::isPtr2Int ( ) const
inline

Definition at line 426 of file SVFStatements.h.

427  {
428  return copyKind == PTRTOINT;
429  }

◆ isSext()

bool SVF::CopyStmt::isSext ( ) const
inline

Definition at line 436 of file SVFStatements.h.

437  {
438  return copyKind == SEXT;
439  }

◆ isValueCopy()

bool SVF::CopyStmt::isValueCopy ( ) const
inline

Definition at line 416 of file SVFStatements.h.

417  {
418  return copyKind == COPYVAL;
419  }

◆ isZext()

bool SVF::CopyStmt::isZext ( ) const
inline

Definition at line 431 of file SVFStatements.h.

432  {
433  return copyKind == ZEXT;
434  }

◆ operator=()

void SVF::CopyStmt::operator= ( const CopyStmt )
private

place holder

◆ toString()

const std::string CopyStmt::toString ( ) const
overridevirtual

Implements SVF::AssignStmt.

Definition at line 87 of file SVFStatements.cpp.

88 {
89  std::string str;
90  std::stringstream rawstr(str);
91  rawstr << "CopyStmt: [Var" << getLHSVarID() << " <-- Var" << getRHSVarID() << "]\t";
93  {
94  rawstr << "\n";
95  rawstr << getValue()->toString();
96  }
97  return rawstr.str();
98 }
const char *const string
Definition: cJSON.h:172
NodeID getRHSVarID() const
NodeID getLHSVarID() const
static const Option< bool > ShowSVFIRValue
Definition: Options.h:122
const SVFValue * getValue() const
std::string toString() const
Needs to be implemented by a SVF front end.
Definition: LLVMUtil.cpp:663

Friends And Related Function Documentation

◆ SVFIRReader

friend class SVFIRReader
friend

Definition at line 367 of file SVFStatements.h.

◆ SVFIRWriter

friend class SVFIRWriter
friend

Definition at line 366 of file SVFStatements.h.

Member Data Documentation

◆ copyKind

u32_t SVF::CopyStmt::copyKind
private

Definition at line 446 of file SVFStatements.h.


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