Static Value-Flow Analysis
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#include <SVFStatements.h>
Public Types | |
typedef std::vector< std::pair< const ICFGNode *, s32_t > > | SuccAndCondPairVec |
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. 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 | |
BranchStmt (SVFVar *inst, SVFVar *c, const SuccAndCondPairVec &succs) | |
constructor More... | |
bool | isUnconditional () const |
The branch is unconditional if cond is a null value. More... | |
bool | isConditional () const |
The branch is conditional if cond is not a null value. More... | |
const SVFVar * | getCondition () const |
Return the condition. More... | |
const SVFVar * | getBranchInst () const |
u32_t | getNumSuccessors () const |
const SuccAndCondPairVec & | getSuccessors () const |
const ICFGNode * | getSuccessor (u32_t i) const |
s64_t | getSuccessorCondValue (u32_t i) const |
virtual const std::string | toString () const override |
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 SVFInstruction * | getInst () const |
Get/set methods for llvm instruction. More... | |
void | setValue (const SVFValue *val) |
const SVFValue * | 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. More... | |
virtual | ~GenericEdge () |
Destructor. More... | |
NodeID | getSrcID () const |
get methods of the components More... | |
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 BranchStmt *) |
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 | |
BranchStmt () | |
Constructs empty BranchStmt (for SVFIRReader/serialization) More... | |
BranchStmt (const BranchStmt &) | |
place holder More... | |
void | operator= (const BranchStmt &) |
place holder More... | |
SVFVar * | getSrcNode () |
place holder, not allowed More... | |
SVFVar * | getDstNode () |
place holder, not allowed More... | |
NodeID | getSrcID () |
place holder, use getOpVarID(pos) instead More... | |
NodeID | getDstID () |
place holder, use getResID() instead More... | |
Private Attributes | |
SuccAndCondPairVec | successors |
const SVFVar * | cond |
const SVFVar * | brInst |
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::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) |
Branch statements including if/else and switch
Definition at line 1160 of file SVFStatements.h.
typedef std::vector<std::pair<const ICFGNode*, s32_t> > SVF::BranchStmt::SuccAndCondPairVec |
Definition at line 1166 of file SVFStatements.h.
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inlineprivate |
Constructs empty BranchStmt (for SVFIRReader/serialization)
Definition at line 1170 of file SVFStatements.h.
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private |
place holder
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inline |
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inlinestatic |
Methods for support type inquiry through isa, cast, and dyn_cast:
Definition at line 1185 of file SVFStatements.h.
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inlinestatic |
Definition at line 1193 of file SVFStatements.h.
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inlinestatic |
Definition at line 1189 of file SVFStatements.h.
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inline |
Definition at line 1212 of file SVFStatements.h.
const SVFVar * BranchStmt::getCondition | ( | ) | const |
Return the condition.
Definition at line 322 of file SVFStatements.cpp.
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private |
place holder, use getResID() instead
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private |
place holder, not allowed
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inline |
For example if(c) {stmt1} else {stmt2} successor(0): stmt1, 1 successor(1): stmt2, 0 For example switch(c) case 0: {stmt1; break;} case 1: {stmt2; break;} default {stmt3: break} successor(0): stmt1, 0 successor(1): stmt2, 1 successor(3): stmt3, -1 Successors of this branch statement
Definition at line 1227 of file SVFStatements.h.
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private |
place holder, use getOpVarID(pos) instead
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private |
place holder, not allowed
Definition at line 1235 of file SVFStatements.h.
Definition at line 1239 of file SVFStatements.h.
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inline |
Definition at line 1231 of file SVFStatements.h.
bool BranchStmt::isConditional | ( | ) | const |
The branch is conditional if cond is not a null value.
Definition at line 317 of file SVFStatements.cpp.
bool BranchStmt::isUnconditional | ( | ) | const |
The branch is unconditional if cond is a null value.
Definition at line 312 of file SVFStatements.cpp.
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private |
place holder
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overridevirtual |
Reimplemented from SVF::SVFStmt.
Definition at line 171 of file SVFStatements.cpp.
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friend |
Definition at line 1163 of file SVFStatements.h.
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friend |
Definition at line 1162 of file SVFStatements.h.
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private |
Definition at line 1180 of file SVFStatements.h.
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private |
Definition at line 1179 of file SVFStatements.h.
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private |
Definition at line 1178 of file SVFStatements.h.