22 #include "llvm/ADT/SmallSet.h" 23 #include "llvm/ADT/Statistic.h" 24 #include "llvm/Support/SaveAndRestore.h" 26 using namespace clang;
29 #define DEBUG_TYPE "ExprEngine" 32 "The # of times we split the path due to imprecise dynamic dispatch info");
35 "The # of times we inlined a call");
38 "The # of times we reached inline count maximum");
48 assert(Entry->
empty());
73 static std::pair<
const Stmt*,
75 const Stmt *S =
nullptr;
89 S = CEE->getCalleeContext()->getCallSite();
100 }
while (!CE || CE->getCalleeContext() != CEE->getCalleeContext());
108 if (CE->getCalleeContext() == SF)
113 return std::make_pair(
nullptr,
nullptr);
118 return std::make_pair(S, Blk);
135 if (ExpectedTy == ActualTy)
146 if (ExpectedClass && ActualClass) {
165 const Stmt *LastSt =
nullptr;
168 if (!Blk || !LastSt) {
180 removeDead(Pred, Dst, dyn_cast<ReturnStmt>(LastSt), LCtx,
188 const Decl *StaticDecl = Call->getDecl();
189 assert(RuntimeCallee);
213 const Stmt *CE = calleeCtx->getCallSite();
216 const Stmt *LastSt =
nullptr;
229 if (
const ReturnStmt *RS = dyn_cast_or_null<ReturnStmt>(LastSt)) {
231 SVal V = state->getSVal(RS, LCtx);
237 if (!ReturnedTy.
isNull()) {
238 if (
const Expr *Ex = dyn_cast<Expr>(CE)) {
245 state = state->BindExpr(CE, callerCtx, V);
251 svalBuilder.
getCXXThis(CCE->getConstructor()->getParent(), calleeCtx);
252 SVal ThisV = state->getSVal(This);
253 ThisV = state->getSVal(ThisV.
castAs<
Loc>());
254 state = state->BindExpr(CCE, callerCtx, ThisV);
257 if (
const auto *CNE = dyn_cast<CXXNewExpr>(CE)) {
263 SVal AllocV = state->getSVal(CNE, callerCtx);
265 AllocV, CNE->getType(),
268 state = addObjectUnderConstruction(state, CNE, calleeCtx->getParent(),
294 removeDead(BindedRetNode, CleanedNodes,
nullptr, calleeCtx,
295 calleeCtx->getAnalysisDeclContext()->getBody(),
297 currBldrCtx =
nullptr;
299 CleanedNodes.Add(CEBNode);
303 E = CleanedNodes.end(); I != E; ++I) {
327 if (
const CXXNewExpr *CNE = dyn_cast_or_null<CXXNewExpr>(CE)) {
330 CEENode, *UpdatedCall, *
this,
332 for (
auto I : DstPostPostCallCallback) {
336 calleeCtx->getParent()),
337 DstPostCall, I, *
this,
351 !(isa<CXXNewExpr>(CE) &&
363 calleeCtx->getIndex()+1);
369 bool &IsRecursive,
unsigned &StackDepth) {
375 const Decl *DI = SFC->getDecl();
388 const CFG *CalleeCFG = CalleeADC->
getCFG();
404 DynamicDispatchModeInlined = 1,
405 DynamicDispatchModeConservative
413 bool ExprEngine::inlineCall(
const CallEvent &Call,
const Decl *D,
422 !cast<BlockCall>(Call).isConversionFromLambda()) {
424 assert(BR &&
"If we have the block definition we should have its region");
438 currBldrCtx->getBlock(),
445 State = State->enterStackFrame(Call, CalleeSFC);
448 if (
ExplodedNode *N = G.getNode(Loc, State,
false, &isNew)) {
449 N->addPredecessor(Pred, G);
451 Engine.getWorkList()->enqueue(N);
459 Engine.FunctionSummaries->bumpNumTimesInlined(D);
463 VisitedCallees->insert(D);
474 assert(ReplayState == CallE &&
"Backtracked to the wrong call.");
497 evalCall(dstCallEvaluated, *I, *CallTemplate);
541 if (
const ObjCMethodCall *Msg = dyn_cast<ObjCMethodCall>(&Call)) {
542 switch (Msg->getMethodFamily()) {
549 return State->BindExpr(E, LCtx, Msg->getReceiverSVal());
553 SVal ThisV = C->getCXXThisVal();
554 ThisV = State->getSVal(ThisV.
castAs<
Loc>());
555 return State->BindExpr(E, LCtx, ThisV);
560 unsigned Count = currBldrCtx->blockCount();
566 std::tie(State, Target) =
568 RTC->getConstructionContext(), CallOpts);
572 State = State->invalidateRegions(Target.
getAsRegion(), E, Count, LCtx,
582 bool IsHeapPointer =
false;
583 if (
const auto *CNE = dyn_cast<CXXNewExpr>(E))
584 if (CNE->getOperatorNew()->isReplaceableGlobalAllocationFunction()) {
586 IsHeapPointer =
true;
589 R = IsHeapPointer ? svalBuilder.getConjuredHeapSymbolVal(E, LCtx, Count)
590 : svalBuilder.conjureSymbolVal(
nullptr, E, LCtx, ResultTy,
593 return State->BindExpr(E, LCtx, R);
608 ExprEngine::CallInlinePolicy
621 return CIP_DisallowedAlways;
625 return CIP_DisallowedAlways;
635 if (CC && isa<NewAllocatedObjectConstructionContext>(CC) &&
637 return CIP_DisallowedOnce;
645 return CIP_DisallowedOnce;
659 return CIP_DisallowedAlways;
666 return CIP_DisallowedOnce;
672 return CIP_DisallowedOnce;
677 return CIP_DisallowedOnce;
684 return CIP_DisallowedAlways;
693 return CIP_DisallowedOnce;
697 return CIP_DisallowedOnce;
703 return CIP_DisallowedOnce;
711 return CIP_DisallowedAlways;
714 return CIP_DisallowedAlways;
717 return CIP_DisallowedAlways;
735 return CXXRecordDecl::FindOrdinaryMember(Specifier, Path, DeclName);
774 if (II->isStr(
"shared_ptr"))
826 const CFG *CalleeCFG = CalleeADC->
getCFG();
842 bool ExprEngine::shouldInlineCall(
const CallEvent &Call,
const Decl *D,
844 const EvalCallOptions &CallOpts) {
863 Optional<bool> MayInline = Engine.FunctionSummaries->mayInline(D);
864 if (MayInline.hasValue()) {
865 if (!MayInline.getValue())
872 Engine.FunctionSummaries->markMayInline(D);
874 Engine.FunctionSummaries->markShouldNotInline(D);
883 CallInlinePolicy CIP = mayInlineCallKind(Call, Pred, Opts, CallOpts);
884 if (CIP != CIP_Allowed) {
885 if (CIP == CIP_DisallowedAlways) {
886 assert(!MayInline.hasValue() || MayInline.getValue());
887 Engine.FunctionSummaries->markShouldNotInline(D);
892 const CFG *CalleeCFG = CalleeADC->
getCFG();
895 bool IsRecursive =
false;
896 unsigned StackDepth = 0;
904 if ((Engine.FunctionSummaries->getNumTimesInlined(D) >
908 NumReachedInlineCountMax++;
943 performTrivialCopy(Bldr, Pred, *Call);
950 const Expr *E = Call->getOriginExpr();
953 if (InlinedFailedState) {
955 State = InlinedFailedState;
959 if (shouldInlineCall(*Call, D, Pred, CallOpts)) {
971 conservativeEvalCall(*Call, Bldr, Pred, State);
977 if (inlineCall(*Call, D, Bldr, Pred, State))
983 conservativeEvalCall(*Call, Bldr, Pred, State);
986 void ExprEngine::BifurcateCall(
const MemRegion *BifurReg,
995 const unsigned *BState =
996 State->get<DynamicDispatchBifurcationMap>(BifurReg);
999 if (*BState == DynamicDispatchModeInlined)
1000 if (inlineCall(Call, D, Bldr, Pred, State))
1005 conservativeEvalCall(Call, Bldr, Pred, State);
1012 State->set<DynamicDispatchBifurcationMap>(BifurReg,
1013 DynamicDispatchModeInlined);
1014 inlineCall(Call, D, Bldr, Pred, IState);
1017 State->set<DynamicDispatchBifurcationMap>(BifurReg,
1018 DynamicDispatchModeConservative);
1019 conservativeEvalCall(Call, Bldr, Pred, NoIState);
1021 NumOfDynamicDispatchPathSplits++;
1033 ei = dstPreVisit.
end(); it != ei; ++it) {
AnalysisDeclContextManager & getAnalysisDeclContextManager()
Represents a function declaration or definition.
unsigned InlineMaxStackDepth
The inlining stack depth limit.
SVal evalDerivedToBase(SVal Derived, const CastExpr *Cast)
Evaluates a chain of derived-to-base casts through the path specified in Cast.
A (possibly-)qualified type.
MemRegion - The root abstract class for all memory regions.
CallEventRef< T > cloneWithState(ProgramStateRef NewState) const
Returns a copy of this CallEvent, but using the given state.
const CXXConstructorDecl * getDecl() const override
bool IsTemporaryCtorOrDtor
This call is a constructor or a destructor of a temporary value.
Stmt * getBody() const
Get the body of the Declaration.
succ_iterator succ_begin()
ImplTy::iterator iterator
void VisitCallExpr(const CallExpr *CE, ExplodedNode *Pred, ExplodedNodeSet &Dst)
VisitCall - Transfer function for function calls.
void processCallExit(ExplodedNode *Pred) override
Generate the sequence of nodes that simulate the call exit and the post visit for CallExpr...
Stmt - This represents one statement.
This builder class is useful for generating nodes that resulted from visiting a statement.
ProgramPoint getProgramPoint(bool IsPreVisit=false, const ProgramPointTag *Tag=nullptr) const
Returns an appropriate ProgramPoint for this call.
Decl - This represents one declaration (or definition), e.g.
bool mayInlineCXXTemporaryDtors()
Returns true if C++ temporary destructors should be inlined during analysis.
Represents a point when we begin processing an inlined call.
Manages the lifetime of CallEvent objects.
static bool isContainerMethod(const ASTContext &Ctx, const FunctionDecl *FD)
Returns true if the given function refers to a method of a C++ container or iterator.
bool isDerivedFrom(const CXXRecordDecl *Base) const
Determine whether this class is derived from the class Base.
Hints for figuring out of a call should be inlined during evalCall().
Represents a call to a C++ constructor.
bool IsArrayCtorOrDtor
This call is a constructor or a destructor for a single element within an array, a part of array cons...
const NestedNameSpecifier * Specifier
CallEventRef getSimpleCall(const CallExpr *E, ProgramStateRef State, const LocationContext *LCtx)
const ProgramStateRef & getState() const
SVal evalCast(SVal val, QualType castTy, QualType originalType)
Represents a path from a specific derived class (which is not represented as part of the path) to a p...
static bool wasDifferentDeclUsedForInlining(CallEventRef<> Call, const StackFrameContext *calleeCtx)
static std::pair< const Stmt *, const CFGBlock * > getLastStmt(const ExplodedNode *Node)
unsigned succ_size() const
const Expr * getOriginExpr() const
Returns the expression whose value will be the result of this call.
void takeNodes(const ExplodedNodeSet &S)
ASTContext & getASTContext() const
loc::MemRegionVal getCXXThis(const CXXMethodDecl *D, const StackFrameContext *SFC)
Return a memory region for the 'this' object reference.
static Optional< SVal > getObjectUnderConstruction(ProgramStateRef State, const ConstructionContextItem &Item, const LocationContext *LC)
By looking at a certain item that may be potentially part of an object's ConstructionContext, retrieve such object's location.
static bool hasMember(const ASTContext &Ctx, const CXXRecordDecl *RD, StringRef Name)
Returns true if the given C++ class contains a member with the given name.
void enqueue(ExplodedNodeSet &Set)
Enqueue the given set of nodes onto the work list.
void removeDead(ExplodedNode *Node, ExplodedNodeSet &Out, const Stmt *ReferenceStmt, const LocationContext *LC, const Stmt *DiagnosticStmt=nullptr, ProgramPoint::Kind K=ProgramPoint::PreStmtPurgeDeadSymbolsKind)
Run the analyzer's garbage collection - remove dead symbols and bindings from the state...
bool mayInlineTemplateFunctions()
Returns whether or not templated functions may be considered for inlining.
bool isMoveAssignmentOperator() const
Determine whether this is a move assignment operator.
const CFGBlock * getEntry() const
Returns the entry block in the CFG for the entered function.
DeclarationName getDeclName() const
Get the actual, stored name of the declaration, which may be a special name.
One of these records is kept for each identifier that is lexed.
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
AnalysisDeclContext contains the context data for the function or method under analysis.
const Expr * getRetValue() const
static bool isInCodeFile(SourceLocation SL, const SourceManager &SM)
void addPredecessor(ExplodedNode *V, ExplodedGraph &G)
addPredeccessor - Adds a predecessor to the current node, and in tandem add this node as a successor ...
void runCheckersForPostObjCMessage(ExplodedNodeSet &Dst, const ExplodedNodeSet &Src, const ObjCMethodCall &msg, ExprEngine &Eng, bool wasInlined=false)
Run checkers for post-visiting obj-c messages.
i32 captured_struct **param SharedsTy A type which contains references the shared variables *param Shareds Context with the list of shared variables from the p *TaskFunction *param Data Additional data for task generation like final * state
Optional< T > getLocationAs() const LLVM_LVALUE_FUNCTION
const StackFrameContext * getStackFrame() const
STATISTIC(NumOfDynamicDispatchPathSplits, "The # of times we split the path due to imprecise dynamic dispatch info")
BlockDataRegion - A region that represents a block instance.
Represents any expression that calls an Objective-C method.
virtual Kind getKind() const =0
Returns the kind of call this is.
static bool isInStdNamespace(const Decl *D)
Returns true if the root namespace of the given declaration is the 'std' C++ namespace.
WorkList * getWorkList() const
void runCheckersForPreCall(ExplodedNodeSet &Dst, const ExplodedNodeSet &Src, const CallEvent &Call, ExprEngine &Eng)
Run checkers for pre-visiting obj-c messages.
CFGElement getCurrentCFGElement()
Return the CFG element corresponding to the worklist element that is currently being processed by Exp...
bool mayInlineCXXContainerMethods()
Returns whether or not methods of C++ container objects may be considered for inlining.
T * getAnalysis()
Return the specified analysis object, lazily running the analysis if necessary.
const LocationContext * getLocationContext() const
const LocationContext * getParent() const
virtual const CXXConstructExpr * getOriginExpr() const
unsigned getMinCFGSizeTreatFunctionsAsLarge()
Returns the number of basic blocks a function needs to have to be considered large for the 'max-times...
void VisitReturnStmt(const ReturnStmt *R, ExplodedNode *Pred, ExplodedNodeSet &Dst)
VisitReturnStmt - Transfer function logic for return statements.
const CoreEngine & getCoreEngine() const
ExplodedNode * getFirstPred()
bool hasTrivialDestructor() const
Determine whether this class has a trivial destructor (C++ [class.dtor]p3)
void runCheckersForPostCall(ExplodedNodeSet &Dst, const ExplodedNodeSet &Src, const CallEvent &Call, ExprEngine &Eng, bool wasInlined=false)
Run checkers for post-visiting obj-c messages.
static bool isCXXSharedPtrDtor(const FunctionDecl *FD)
Returns true if the given function is the destructor of a class named "shared_ptr".
static bool isVariadic(const Decl *D)
Returns true if the given decl is known to be variadic.
virtual Decl * getCanonicalDecl()
Retrieves the "canonical" declaration of the given declaration.
unsigned getMaxInlinableSize()
lookup_result lookup(DeclarationName Name) const
lookup - Find the declarations (if any) with the given Name in this context.
AnalysisDeclContext * getAnalysisDeclContext(const Decl *D)
CheckerManager & getCheckerManager() const
void removeDeadOnEndOfFunction(NodeBuilderContext &BC, ExplodedNode *Pred, ExplodedNodeSet &Dst)
Remove dead bindings/symbols before exiting a function.
static bool isTrivialObjectAssignment(const CallEvent &Call)
ProgramStateRef bindReturnValue(const CallEvent &Call, const LocationContext *LCtx, ProgramStateRef State)
Create a new state in which the call return value is binded to the call origin expression.
Represents a non-static C++ member function call, no matter how it is written.
static SVal adjustReturnValue(SVal V, QualType ExpectedTy, QualType ActualTy, StoreManager &StoreMgr)
Adjusts a return value when the called function's return type does not match the caller's expression ...
DeclarationNameTable DeclarationNames
Represents a single basic block in a source-level CFG.
Represents a point when we finish the call exit sequence (for inlined call).
AnalysisDeclContext * getContext(const Decl *D)
void runCheckersForPostStmt(ExplodedNodeSet &Dst, const ExplodedNodeSet &Src, const Stmt *S, ExprEngine &Eng, bool wasInlined=false)
Run checkers for post-visiting Stmts.
void processBeginOfFunction(NodeBuilderContext &BC, ExplodedNode *Pred, ExplodedNodeSet &Dst, const BlockEdge &L) override
Called by CoreEngine.
Expr - This represents one expression.
IPAKind getIPAMode()
Returns the inter-procedural analysis mode.
Represents a source-level, intra-procedural CFG that represents the control-flow of a Stmt...
bool isInSystemHeader(SourceLocation Loc) const
Returns if a SourceLocation is in a system header.
const CXXRecordDecl * getPointeeCXXRecordDecl() const
If this is a pointer or reference to a RecordType, return the CXXRecordDecl that the type refers to...
CallEventRef getCaller(const StackFrameContext *CalleeCtx, ProgramStateRef State)
Represents a C++ destructor within a class.
AnalyzerOptions & getAnalyzerOptions() override
This is the simplest builder which generates nodes in the ExplodedGraph.
Represents C++ constructor call.
void Add(ExplodedNode *N)
Refers to regular member function and operator calls.
bool mayInlineObjCMethod()
Returns true if ObjectiveC inlining is enabled, false otherwise.
IdentifierInfo * getAsIdentifierInfo() const
getAsIdentifierInfo - Retrieve the IdentifierInfo * stored in this declaration name, or NULL if this declaration name isn't a simple identifier.
Refers to constructors (implicit or explicit).
void runCheckersForEvalCall(ExplodedNodeSet &Dst, const ExplodedNodeSet &Src, const CallEvent &CE, ExprEngine &Eng)
Run checkers for evaluating a call.
ASTContext & getContext() const
getContext - Return the ASTContext associated with this analysis.
Traits for storing the call processing policy inside GDM.
REGISTER_TRAIT_WITH_PROGRAMSTATE(DynamicDispatchBifurcationMap, CLANG_ENTO_PROGRAMSTATE_MAP(const MemRegion *, unsigned)) bool ExprEngine
ReturnStmt - This represents a return, optionally of an expression: return; return 4;...
bool isBodyAutosynthesized() const
Checks if the body of the Decl is generated by the BodyFarm.
ExplodedNode * getNode(const ProgramPoint &L, ProgramStateRef State, bool IsSink=false, bool *IsNew=nullptr)
Retrieve the node associated with a (Location,State) pair, where the 'Location' is a ProgramPoint in ...
const StackFrameContext * getStackFrame(LocationContext const *Parent, const Stmt *S, const CFGBlock *Blk, unsigned Idx)
bool isTrivial() const
Whether this function is "trivial" in some specialized C++ senses.
Enable inlining of dynamically dispatched methods.
bool isNull() const
Return true if this QualType doesn't point to a type yet.
Optional< T > getAs() const
Convert to the specified SVal type, returning None if this SVal is not of the desired type...
While alive, includes the current analysis stack in a crash trace.
CanQualType getCanonicalTypeUnqualified() const
const MemRegion * StripCasts(bool StripBaseCasts=true) const
void runCheckersForNewAllocator(const CXXNewExpr *NE, SVal Target, ExplodedNodeSet &Dst, ExplodedNode *Pred, ExprEngine &Eng, bool wasInlined=false)
Run checkers between C++ operator new and constructor calls.
Defines the runtime definition of the called function.
QualType getCanonicalType() const
unsigned getAlwaysInlineSize()
const FunctionDecl * getDecl() const override
IdentifierInfo & get(StringRef Name)
Return the identifier token info for the specified named identifier.
AnalysisManager & getAnalysisManager() override
const MemRegion * getAsRegion() const
Represents a new-expression for memory allocation and constructor calls, e.g: "new CXXNewExpr(foo)"...
CallEventManager & getCallEventManager()
void evalCall(ExplodedNodeSet &Dst, ExplodedNode *Pred, const CallEvent &Call)
Evaluate a call, running pre- and post-call checks and allowing checkers to be responsible for handli...
bool mayInlineCXXStandardLibrary()
Returns whether or not C++ standard library functions may be considered for inlining.
Represents a static or instance method of a struct/union/class.
bool IsCtorOrDtorWithImproperlyModeledTargetRegion
This call is a constructor or a destructor for which we do not currently compute the this-region corr...
ProgramPoint getLocation() const
getLocation - Returns the edge associated with the given node.
SVal - This represents a symbolic expression, which can be either an L-value or an R-value...
#define CLANG_ENTO_PROGRAMSTATE_MAP(Key, Value)
Helper for registering a map trait.
const Decl * getDecl() const
bool isObjCObjectPointerType() const
AnalyzerOptions & options
Do minimal inlining of callees.
unsigned getNumBlockIDs() const
Returns the total number of BlockIDs allocated (which start at 0).
Refers to destructors (implicit or explicit).
void runCheckersForPreStmt(ExplodedNodeSet &Dst, const ExplodedNodeSet &Src, const Stmt *S, ExprEngine &Eng)
Run checkers for pre-visiting Stmts.
static bool isContainerClass(const ASTContext &Ctx, const CXXRecordDecl *RD)
Returns true if the given C++ class is a container or iterator.
const MemRegion * getDispatchRegion()
When other definitions are possible, returns the region whose runtime type determines the method defi...
void insert(const ExplodedNodeSet &S)
Optional< T > getAs() const
Convert to the specified CFGElement type, returning None if this CFGElement is not of the desired typ...
static bool mayInlineDecl(AnalysisManager &AMgr, AnalysisDeclContext *CalleeADC)
Returns true if the function in CalleeADC may be inlined in general.
ast_type_traits::DynTypedNode Node
static ProgramStateRef getInlineFailedState(ProgramStateRef State, const Stmt *CallE)
Dataflow Directional Tag Classes.
CFG::BuildOptions & getCFGBuildOptions()
Return the build options used to construct the CFG.
StoreManager & getStoreManager()
const StackFrameContext * getCalleeContext() const
DeclarationName - The name of a declaration.
const CXXRecordDecl * getParent() const
Returns the parent of this method declaration, which is the class in which this method is defined...
bool isAmbiguous(CanQualType BaseType)
Determine whether the path from the most-derived type to the given base type is ambiguous (i...
bool isCopyAssignmentOperator() const
Determine whether this is a copy-assignment operator, regardless of whether it was declared implicitl...
bool mayHaveOtherDefinitions()
Check if the definition we have is precise.
Represents an abstract call to a function or method along a particular path.
ProgramStateManager & getStateManager() override
const Decl * getDecl() const
void defaultEvalCall(NodeBuilder &B, ExplodedNode *Pred, const CallEvent &Call, const EvalCallOptions &CallOpts={})
Default implementation of call evaluation.
bool lookupInBases(BaseMatchesCallback BaseMatches, CXXBasePaths &Paths, bool LookupInDependent=false) const
Look for entities within the base classes of this C++ class, transitively searching all base class su...
T castAs() const
Convert to the specified SVal type, asserting that this SVal is of the desired type.
bool includeTemporaryDtorsInCFG()
Returns whether or not the destructors for C++ temporary objects should be included in the CFG...
static QualType getDeclaredResultType(const Decl *D)
Returns the result type of a function or method declaration.
const StackFrameContext * getStackFrame() const
Represents a base class of a C++ class.
SourceManager & getSourceManager()
QualType getResultType() const
Returns the result type, adjusted for references.
ExplodedNode * generateNode(const ProgramPoint &PP, ProgramStateRef State, ExplodedNode *Pred)
Generates a node in the ExplodedGraph.
Defines the C++ Decl subclasses, other than those for templates (found in DeclTemplate.h) and friends (in DeclFriend.h).
ConstructionContext's subclasses describe different ways of constructing an object in C++...
Represents a C++ struct/union/class.
bool mayInlineCXXMemberFunction(CXXInlineableMemberKind K)
Returns the option controlling which C++ member functions will be considered for inlining.
bool IsTemporaryLifetimeExtendedViaAggregate
This call is a constructor for a temporary that is lifetime-extended by binding it to a reference-typ...
pred_iterator pred_begin()
QualType getPointerType(QualType T) const
Return the uniqued reference to the type for a pointer to the specified type.
CallExpr - Represents a function call (C99 6.5.2.2, C++ [expr.call]).
ExplodedNode * generateNode(const Stmt *S, ExplodedNode *Pred, ProgramStateRef St, const ProgramPointTag *tag=nullptr, ProgramPoint::Kind K=ProgramPoint::PostStmtKind)
unsigned getMaxTimesInlineLarge()
Returns the maximum times a large function could be inlined.
ProgramStateRef invalidateRegions(unsigned BlockCount, ProgramStateRef Orig=nullptr) const
Returns a new state with all argument regions invalidated.
virtual void enqueue(const WorkListUnit &U)=0
const BlockInvocationContext * getBlockInvocationContext(const LocationContext *parent, const BlockDecl *BD, const void *ContextData)
BasePaths - Represents the set of paths from a derived class to one of its (direct or indirect) bases...
const StackFrameContext * getStackFrame() const
bool mayInlineCXXAllocator()
Returns whether or not allocator call may be considered for inlining.
AnalysisPurgeMode AnalysisPurgeOpt
Enable inlining of dynamically dispatched methods, bifurcate paths when exact type info is unavailabl...
bool mayInlineCXXSharedPtrDtor()
Returns whether or not the destructor of C++ 'shared_ptr' may be considered for inlining.
Optional< T > getAs() const
Convert to the specified ProgramPoint type, returning None if this ProgramPoint is not of the desired...
AnalysisDeclContext * getAnalysisDeclContext() const
Represents a call to a C++ constructor.
const LangOptions & getLangOpts() const
void processCallEnter(NodeBuilderContext &BC, CallEnter CE, ExplodedNode *Pred) override
Generate the entry node of the callee.
CallEventRef< T > cloneWithState(ProgramStateRef State) const
bool shouldInlineCall() const