[analyzer] [NFC] A convenient getter for getting a current stack frame

Differential Revision: https://reviews.llvm.org/D44756

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@335701 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/Analysis/AnalysisDeclContext.h

@@ -264,7 +264,7 @@ public:
     return Ctx->getSelfDecl();
   }
 
-  const StackFrameContext *getCurrentStackFrame() const;
+  const StackFrameContext *getStackFrame() const;
 
   /// Return true if the current LocationContext has no caller context.
   virtual bool inTopFrame() const;

include/clang/Analysis/ProgramPoint.h

@@ -181,6 +181,10 @@ public:
     return L.getPointer();
   }
 
+  const StackFrameContext *getStackFrame() const {
+    return getLocationContext()->getStackFrame();
+  }
+
   // For use with DenseMap.  This hash is probably slow.
   unsigned getHashValue() const {
     llvm::FoldingSetNodeID ID;

include/clang/StaticAnalyzer/Core/PathSensitive/CoreEngine.h

@@ -211,7 +211,7 @@ struct NodeBuilderContext {
   /// visited on the exploded graph path.
   unsigned blockCount() const {
     return Eng.WList->getBlockCounter().getNumVisited(
-                    LC->getCurrentStackFrame(),
+                    LC->getStackFrame(),
                     Block->getBlockID());
   }
 };

include/clang/StaticAnalyzer/Core/PathSensitive/ExplodedGraph.h

@@ -147,7 +147,7 @@ public:
   }
 
   const StackFrameContext *getStackFrame() const {
-    return getLocationContext()->getCurrentStackFrame();
+    return getLocation().getStackFrame();
   }
 
   const Decl &getCodeDecl() const { return *getLocationContext()->getDecl(); }

lib/Analysis/AnalysisDeclContext.cpp

@@ -442,7 +442,7 @@ LocationContextManager::getBlockInvocationContext(AnalysisDeclContext *ctx,
 // LocationContext methods.
 //===----------------------------------------------------------------------===//
 
-const StackFrameContext *LocationContext::getCurrentStackFrame() const {
+const StackFrameContext *LocationContext::getStackFrame() const {
   const LocationContext *LC = this;
   while (LC) {
     if (const auto *SFC = dyn_cast<StackFrameContext>(LC))
@@ -453,7 +453,7 @@ const StackFrameContext *LocationContext::getCurrentStackFrame() const {
 }
 
 bool LocationContext::inTopFrame() const {
-  return getCurrentStackFrame()->inTopFrame();
+  return getStackFrame()->inTopFrame();
 }
 
 bool LocationContext::isParentOf(const LocationContext *LC) const {

lib/StaticAnalyzer/Checkers/CXXSelfAssignmentChecker.cpp

@@ -48,7 +48,7 @@ void CXXSelfAssignmentChecker::checkBeginFunction(CheckerContext &C) const {
   auto &State = C.getState();
   auto &SVB = C.getSValBuilder();
   auto ThisVal =
-      State->getSVal(SVB.getCXXThis(MD, LCtx->getCurrentStackFrame()));
+      State->getSVal(SVB.getCXXThis(MD, LCtx->getStackFrame()));
   auto Param = SVB.makeLoc(State->getRegion(MD->getParamDecl(0), LCtx));
   auto ParamVal = State->getSVal(Param);
   ProgramStateRef SelfAssignState = State->bindLoc(Param, ThisVal, LCtx);

lib/StaticAnalyzer/Checkers/ExprInspectionChecker.cpp

@@ -149,7 +149,7 @@ void ExprInspectionChecker::analyzerEval(const CallExpr *CE,
 
   // A specific instantiation of an inlined function may have more constrained
   // values than can generally be assumed. Skip the check.
-  if (LC->getCurrentStackFrame()->getParent() != nullptr)
+  if (LC->getStackFrame()->getParent() != nullptr)
     return;
 
   reportBug(getArgumentValueString(CE, C), C);
@@ -178,7 +178,7 @@ void ExprInspectionChecker::analyzerCheckInlined(const CallExpr *CE,
   // when we are analyzing it as an inlined function. This means that
   // clang_analyzer_checkInlined(true) should always print TRUE, but
   // clang_analyzer_checkInlined(false) should never actually print anything.
-  if (LC->getCurrentStackFrame()->getParent() == nullptr)
+  if (LC->getStackFrame()->getParent() == nullptr)
     return;
 
   reportBug(getArgumentValueString(CE, C), C);

lib/StaticAnalyzer/Checkers/MallocChecker.cpp

@@ -2258,7 +2258,7 @@ MallocChecker::getAllocationSite(const ExplodedNode *N, SymbolRef Sym,
             // Do not show local variables belonging to a function other than
             // where the error is reported.
             if (!VR ||
-                (VR->getStackFrame() == LeakContext->getCurrentStackFrame()))
+                (VR->getStackFrame() == LeakContext->getStackFrame()))
               ReferenceRegion = MR;
           }
         }
@@ -2919,7 +2919,7 @@ std::shared_ptr<PathDiagnosticPiece> MallocChecker::MallocBugVisitor::VisitNode(
             // reference counting operations within it (see the code above),
             // and if so, we'd conclude that it likely is a reference counting
             // pointer destructor.
-            ReleaseDestructorLC = LC->getCurrentStackFrame();
+            ReleaseDestructorLC = LC->getStackFrame();
             // It is unlikely that releasing memory is delegated to a destructor
             // inside a destructor of a shared pointer, because it's fairly hard
             // to pass the information that the pointer indeed needs to be

lib/StaticAnalyzer/Checkers/NSErrorChecker.cpp

@@ -186,8 +186,7 @@ static void setFlag(ProgramStateRef state, SVal val, CheckerContext &C) {
 }
 
 static QualType parameterTypeFromSVal(SVal val, CheckerContext &C) {
-  const StackFrameContext *
-    SFC = C.getLocationContext()->getCurrentStackFrame();
+  const StackFrameContext * SFC = C.getStackFrame();
   if (Optional<loc::MemRegionVal> X = val.getAs<loc::MemRegionVal>()) {
     const MemRegion* R = X->getRegion();
     if (const VarRegion *VR = R->getAs<VarRegion>())

lib/StaticAnalyzer/Checkers/RetainCountChecker.cpp

@@ -1968,8 +1968,8 @@ CFRefReportVisitor::VisitNode(const ExplodedNode *N, const ExplodedNode *PrevN,
     const Stmt *S = N->getLocation().castAs<StmtPoint>().getStmt();
 
     if (isa<ObjCIvarRefExpr>(S) &&
-        isSynthesizedAccessor(LCtx->getCurrentStackFrame())) {
-      S = LCtx->getCurrentStackFrame()->getCallSite();
+        isSynthesizedAccessor(LCtx->getStackFrame())) {
+      S = LCtx->getStackFrame()->getCallSite();
     }
 
     if (isa<ObjCArrayLiteral>(S)) {
@@ -2297,7 +2297,7 @@ GetAllocationSite(ProgramStateManager& StateMgr, const ExplodedNode *N,
       const VarRegion *VR = R->getBaseRegion()->getAs<VarRegion>();
       // Do not show local variables belonging to a function other than
       // where the error is reported.
-      if (!VR || VR->getStackFrame() == LeakContext->getCurrentStackFrame())
+      if (!VR || VR->getStackFrame() == LeakContext->getStackFrame())
         FirstBinding = R;
     }
 

lib/StaticAnalyzer/Checkers/StackAddrEscapeChecker.cpp

@@ -120,7 +120,7 @@ bool StackAddrEscapeChecker::isArcManagedBlock(const MemRegion *R,
 bool StackAddrEscapeChecker::isNotInCurrentFrame(const MemRegion *R,
                                                  CheckerContext &C) {
   const StackSpaceRegion *S = cast<StackSpaceRegion>(R->getMemorySpace());
-  return S->getStackFrame() != C.getLocationContext()->getCurrentStackFrame();
+  return S->getStackFrame() != C.getStackFrame();
 }
 
 bool StackAddrEscapeChecker::isSemaphoreCaptured(const BlockDecl &B) const {
@@ -303,8 +303,7 @@ void StackAddrEscapeChecker::checkEndFunction(CheckerContext &Ctx) const {
   public:
     SmallVector<std::pair<const MemRegion *, const MemRegion *>, 10> V;
 
-    CallBack(CheckerContext &CC)
-        : Ctx(CC), CurSFC(CC.getLocationContext()->getCurrentStackFrame()) {}
+    CallBack(CheckerContext &CC) : Ctx(CC), CurSFC(CC.getStackFrame()) {}
 
     bool HandleBinding(StoreManager &SMgr, Store S, const MemRegion *Region,
                        SVal Val) override {

lib/StaticAnalyzer/Checkers/VirtualCallChecker.cpp

@@ -108,7 +108,7 @@ VirtualCallChecker::VirtualBugVisitor::VisitNode(const ExplodedNode *N,
   if (!MD)
     return nullptr;
   auto ThiSVal =
-      State->getSVal(SVB.getCXXThis(MD, LCtx->getCurrentStackFrame()));
+      State->getSVal(SVB.getCXXThis(MD, LCtx->getStackFrame()));
   const MemRegion *Reg = ThiSVal.castAs<loc::MemRegionVal>().getRegion();
   if (!Reg)
     return nullptr;
@@ -230,7 +230,7 @@ void VirtualCallChecker::registerCtorDtorCallInState(bool IsBeginFunction,
   // Enter a constructor, set the corresponding memregion be true.
   if (isa<CXXConstructorDecl>(MD)) {
     auto ThiSVal =
-        State->getSVal(SVB.getCXXThis(MD, LCtx->getCurrentStackFrame()));
+        State->getSVal(SVB.getCXXThis(MD, LCtx->getStackFrame()));
     const MemRegion *Reg = ThiSVal.getAsRegion();
     if (IsBeginFunction)
       State = State->set<CtorDtorMap>(Reg, ObjectState::CtorCalled);
@@ -244,7 +244,7 @@ void VirtualCallChecker::registerCtorDtorCallInState(bool IsBeginFunction,
   // Enter a Destructor, set the corresponding memregion be true.
   if (isa<CXXDestructorDecl>(MD)) {
     auto ThiSVal =
-        State->getSVal(SVB.getCXXThis(MD, LCtx->getCurrentStackFrame()));
+        State->getSVal(SVB.getCXXThis(MD, LCtx->getStackFrame()));
     const MemRegion *Reg = ThiSVal.getAsRegion();
     if (IsBeginFunction)
       State = State->set<CtorDtorMap>(Reg, ObjectState::DtorCalled);

lib/StaticAnalyzer/Core/BugReporter.cpp

@@ -865,7 +865,7 @@ static void reversePropagateInterestingSymbols(BugReport &R,
                                                const LocationContext *CallerCtx)
 {
   // FIXME: Handle non-CallExpr-based CallEvents.
-  const StackFrameContext *Callee = CalleeCtx->getCurrentStackFrame();
+  const StackFrameContext *Callee = CalleeCtx->getStackFrame();
   const Stmt *CallSite = Callee->getCallSite();
   if (const auto *CE = dyn_cast_or_null<CallExpr>(CallSite)) {
     if (const auto *FD = dyn_cast<FunctionDecl>(CalleeCtx->getDecl())) {
@@ -1956,7 +1956,7 @@ static std::unique_ptr<PathDiagnostic> generatePathDiagnosticForConsumer(
   if (AddPathEdges) {
     // Add an edge to the start of the function.
     // We'll prune it out later, but it helps make diagnostics more uniform.
-    const StackFrameContext *CalleeLC = PDB.LC->getCurrentStackFrame();
+    const StackFrameContext *CalleeLC = PDB.LC->getStackFrame();
     const Decl *D = CalleeLC->getDecl();
     addEdgeToPath(PD->getActivePath(), PrevLoc,
                   PathDiagnosticLocation::createBegin(D, SM), CalleeLC);
@@ -2051,7 +2051,7 @@ const Decl *BugReport::getDeclWithIssue() const {
     return nullptr;
 
   const LocationContext *LC = N->getLocationContext();
-  return LC->getCurrentStackFrame()->getDecl();
+  return LC->getStackFrame()->getDecl();
 }
 
 void BugReport::Profile(llvm::FoldingSetNodeID& hash) const {

lib/StaticAnalyzer/Core/BugReporterVisitors.cpp

@@ -264,7 +264,7 @@ public:
                                                  BugReport &BR) override {
 
     const LocationContext *Ctx = N->getLocationContext();
-    const StackFrameContext *SCtx = Ctx->getCurrentStackFrame();
+    const StackFrameContext *SCtx = Ctx->getStackFrame();
     ProgramStateRef State = N->getState();
     auto CallExitLoc = N->getLocationAs<CallExitBegin>();
 
@@ -319,7 +319,7 @@ private:
   /// The calculation is cached in FramesModifyingRegion.
   bool isRegionOfInterestModifiedInFrame(const ExplodedNode *N) {
     const LocationContext *Ctx = N->getLocationContext();
-    const StackFrameContext *SCtx = Ctx->getCurrentStackFrame();
+    const StackFrameContext *SCtx = Ctx->getStackFrame();
     if (!FramesModifyingCalculated.count(SCtx))
       findModifyingFrames(N);
     return FramesModifyingRegion.count(SCtx);
@@ -333,7 +333,7 @@ private:
     ProgramStateRef LastReturnState = N->getState();
     SVal ValueAtReturn = LastReturnState->getSVal(RegionOfInterest);
     const LocationContext *Ctx = N->getLocationContext();
-    const StackFrameContext *OriginalSCtx = Ctx->getCurrentStackFrame();
+    const StackFrameContext *OriginalSCtx = Ctx->getStackFrame();
 
     do {
       ProgramStateRef State = N->getState();
@@ -344,16 +344,15 @@ private:
       }
 
       FramesModifyingCalculated.insert(
-        N->getLocationContext()->getCurrentStackFrame());
+        N->getLocationContext()->getStackFrame());
 
       if (wasRegionOfInterestModifiedAt(N, LastReturnState, ValueAtReturn)) {
-        const StackFrameContext *SCtx =
-            N->getLocationContext()->getCurrentStackFrame();
+        const StackFrameContext *SCtx = N->getStackFrame();
         while (!SCtx->inTopFrame()) {
           auto p = FramesModifyingRegion.insert(SCtx);
           if (!p.second)
             break; // Frame and all its parents already inserted.
-          SCtx = SCtx->getParent()->getCurrentStackFrame();
+          SCtx = SCtx->getParent()->getStackFrame();
         }
       }
 
@@ -913,7 +912,7 @@ static bool isInitializationOfVar(const ExplodedNode *N, const VarRegion *VR) {
 
   assert(VR->getDecl()->hasLocalStorage());
   const LocationContext *LCtx = N->getLocationContext();
-  return FrameSpace->getStackFrame() == LCtx->getCurrentStackFrame();
+  return FrameSpace->getStackFrame() == LCtx->getStackFrame();
 }
 
 /// Show diagnostics for initializing or declaring a region \p R with a bad value.
@@ -2310,7 +2309,7 @@ CXXSelfAssignmentBRVisitor::VisitNode(const ExplodedNode *Succ,
   const auto Param =
       State->getSVal(State->getRegion(Met->getParamDecl(0), LCtx));
   const auto This =
-      State->getSVal(SVB.getCXXThis(Met, LCtx->getCurrentStackFrame()));
+      State->getSVal(SVB.getCXXThis(Met, LCtx->getStackFrame()));
 
   auto L = PathDiagnosticLocation::create(Met, BRC.getSourceManager());
 

lib/StaticAnalyzer/Core/CallEvent.cpp

@@ -1221,7 +1221,7 @@ CallEventRef<>
 CallEventManager::getCaller(const StackFrameContext *CalleeCtx,
                             ProgramStateRef State) {
   const LocationContext *ParentCtx = CalleeCtx->getParent();
-  const LocationContext *CallerCtx = ParentCtx->getCurrentStackFrame();
+  const LocationContext *CallerCtx = ParentCtx->getStackFrame();
   assert(CallerCtx && "This should not be used for top-level stack frames");
 
   const Stmt *CallSite = CalleeCtx->getCallSite();

lib/StaticAnalyzer/Core/CoreEngine.cpp

@@ -256,7 +256,7 @@ void CoreEngine::HandleBlockEntrance(const BlockEntrance &L,
   const LocationContext *LC = Pred->getLocationContext();
   unsigned BlockId = L.getBlock()->getBlockID();
   BlockCounter Counter = WList->getBlockCounter();
-  Counter = BCounterFactory.IncrementCount(Counter, LC->getCurrentStackFrame(),
+  Counter = BCounterFactory.IncrementCount(Counter, LC->getStackFrame(),
                                            BlockId);
   WList->setBlockCounter(Counter);
 

lib/StaticAnalyzer/Core/Environment.cpp

@@ -67,7 +67,7 @@ static const Stmt *ignoreTransparentExprs(const Stmt *S) {
 EnvironmentEntry::EnvironmentEntry(const Stmt *S, const LocationContext *L)
     : std::pair<const Stmt *,
                 const StackFrameContext *>(ignoreTransparentExprs(S),
-                                           L ? L->getCurrentStackFrame()
+                                           L ? L->getStackFrame()
                                              : nullptr) {}
 
 SVal Environment::lookupExpr(const EnvironmentEntry &E) const {

lib/StaticAnalyzer/Core/ExprEngine.cpp

@@ -282,7 +282,7 @@ ProgramStateRef ExprEngine::getInitialState(const LocationContext *InitLoc) {
       // Precondition: 'this' is always non-null upon entry to the
       // top-level function.  This is our starting assumption for
       // analyzing an "open" program.
-      const StackFrameContext *SFC = InitLoc->getCurrentStackFrame();
+      const StackFrameContext *SFC = InitLoc->getStackFrame();
       if (SFC->getParent() == nullptr) {
         loc::MemRegionVal L = svalBuilder.getCXXThis(MD, SFC);
         SVal V = state->getSVal(L);
@@ -450,7 +450,7 @@ ProgramStateRef ExprEngine::addObjectUnderConstruction(
     ProgramStateRef State,
     llvm::PointerUnion<const Stmt *, const CXXCtorInitializer *> P,
     const LocationContext *LC, SVal V) {
-  ConstructedObjectKey Key(P, LC->getCurrentStackFrame());
+  ConstructedObjectKey Key(P, LC->getStackFrame());
   // FIXME: Currently the state might already contain the marker due to
   // incorrect handling of temporaries bound to default parameters.
   assert(!State->get<ObjectsUnderConstruction>(Key) ||
@@ -462,7 +462,7 @@ Optional<SVal> ExprEngine::getObjectUnderConstruction(
     ProgramStateRef State,
     llvm::PointerUnion<const Stmt *, const CXXCtorInitializer *> P,
     const LocationContext *LC) {
-  ConstructedObjectKey Key(P, LC->getCurrentStackFrame());
+  ConstructedObjectKey Key(P, LC->getStackFrame());
   return Optional<SVal>::create(State->get<ObjectsUnderConstruction>(Key));
 }
 
@@ -470,7 +470,7 @@ ProgramStateRef ExprEngine::finishObjectConstruction(
     ProgramStateRef State,
     llvm::PointerUnion<const Stmt *, const CXXCtorInitializer *> P,
     const LocationContext *LC) {
-  ConstructedObjectKey Key(P, LC->getCurrentStackFrame());
+  ConstructedObjectKey Key(P, LC->getStackFrame());
   assert(State->contains<ObjectsUnderConstruction>(Key));
   return State->remove<ObjectsUnderConstruction>(Key);
 }
@@ -640,7 +640,7 @@ void ExprEngine::removeDead(ExplodedNode *Pred, ExplodedNodeSet &Out,
     LC = LC->getParent();
   }
 
-  const StackFrameContext *SFC = LC ? LC->getCurrentStackFrame() : nullptr;
+  const StackFrameContext *SFC = LC ? LC->getStackFrame() : nullptr;
   SymbolReaper SymReaper(SFC, ReferenceStmt, SymMgr, getStoreManager());
 
   for (auto I : CleanedState->get<ObjectsUnderConstruction>()) {
@@ -963,7 +963,7 @@ void ExprEngine::ProcessBaseDtor(const CFGBaseDtor D,
 
   const auto *CurDtor = cast<CXXDestructorDecl>(LCtx->getDecl());
   Loc ThisPtr = getSValBuilder().getCXXThis(CurDtor,
-                                            LCtx->getCurrentStackFrame());
+                                            LCtx->getStackFrame());
   SVal ThisVal = Pred->getState()->getSVal(ThisPtr);
 
   // Create the base object region.
@@ -985,7 +985,7 @@ void ExprEngine::ProcessMemberDtor(const CFGMemberDtor D,
 
   const auto *CurDtor = cast<CXXDestructorDecl>(LCtx->getDecl());
   Loc ThisVal = getSValBuilder().getCXXThis(CurDtor,
-                                            LCtx->getCurrentStackFrame());
+                                            LCtx->getStackFrame());
   SVal FieldVal =
       State->getLValue(Member, State->getSVal(ThisVal).castAs<Loc>());
 
@@ -1758,8 +1758,8 @@ void ExprEngine::Visit(const Stmt *S, ExplodedNode *Pred,
 
 bool ExprEngine::replayWithoutInlining(ExplodedNode *N,
                                        const LocationContext *CalleeLC) {
-  const StackFrameContext *CalleeSF = CalleeLC->getCurrentStackFrame();
-  const StackFrameContext *CallerSF = CalleeSF->getParent()->getCurrentStackFrame();
+  const StackFrameContext *CalleeSF = CalleeLC->getStackFrame();
+  const StackFrameContext *CallerSF = CalleeSF->getParent()->getStackFrame();
   assert(CalleeSF && CallerSF);
   ExplodedNode *BeforeProcessingCall = nullptr;
   const Stmt *CE = CalleeSF->getCallSite();
@@ -1771,7 +1771,7 @@ bool ExprEngine::replayWithoutInlining(ExplodedNode *N,
     N = N->pred_empty() ? nullptr : *(N->pred_begin());
 
     // Skip the nodes corresponding to the inlined code.
-    if (L.getLocationContext()->getCurrentStackFrame() != CallerSF)
+    if (L.getStackFrame() != CallerSF)
       continue;
     // We reached the caller. Find the node right before we started
     // processing the call.
@@ -1870,10 +1870,10 @@ void ExprEngine::processCFGBlockEntrance(const BlockEdge &L,
     // Check if we stopped at the top level function or not.
     // Root node should have the location context of the top most function.
     const LocationContext *CalleeLC = Pred->getLocation().getLocationContext();
-    const LocationContext *CalleeSF = CalleeLC->getCurrentStackFrame();
+    const LocationContext *CalleeSF = CalleeLC->getStackFrame();
     const LocationContext *RootLC =
                         (*G.roots_begin())->getLocation().getLocationContext();
-    if (RootLC->getCurrentStackFrame() != CalleeSF) {
+    if (RootLC->getStackFrame() != CalleeSF) {
       Engine.FunctionSummaries->markReachedMaxBlockCount(CalleeSF->getDecl());
 
       // Re-run the call evaluation without inlining it, by storing the
@@ -2190,7 +2190,7 @@ void ExprEngine::processEndOfFunction(NodeBuilderContext& BC,
     NodeBuilder Bldr(Pred, CleanUpObjects, BC);
     ProgramStateRef State = Pred->getState();
     const LocationContext *FromLC = Pred->getLocationContext();
-    const LocationContext *ToLC = FromLC->getCurrentStackFrame()->getParent();
+    const LocationContext *ToLC = FromLC->getStackFrame()->getParent();
     const LocationContext *LC = FromLC;
     while (LC != ToLC) {
       assert(LC && "ToLC must be a parent of FromLC!");
@@ -2353,7 +2353,7 @@ void ExprEngine::VisitCommonDeclRefExpr(const Expr *Ex, const NamedDecl *D,
       // variable should be captured.
       if (const FieldDecl *FD = LambdaCaptureFields[VD]) {
         Loc CXXThis =
-            svalBuilder.getCXXThis(MD, LocCtxt->getCurrentStackFrame());
+            svalBuilder.getCXXThis(MD, LocCtxt->getStackFrame());
         SVal CXXThisVal = state->getSVal(CXXThis);
         VInfo = std::make_pair(state->getLValue(FD, CXXThisVal), FD->getType());
       }

lib/StaticAnalyzer/Core/ExprEngineCXX.cpp

@@ -139,7 +139,7 @@ std::pair<ProgramStateRef, SVal> ExprEngine::prepareForObjectConstruction(
       assert(Init->isAnyMemberInitializer());
       const CXXMethodDecl *CurCtor = cast<CXXMethodDecl>(LCtx->getDecl());
       Loc ThisPtr =
-      getSValBuilder().getCXXThis(CurCtor, LCtx->getCurrentStackFrame());
+      getSValBuilder().getCXXThis(CurCtor, LCtx->getStackFrame());
       SVal ThisVal = State->getSVal(ThisPtr);
 
       const ValueDecl *Field;
@@ -185,7 +185,7 @@ std::pair<ProgramStateRef, SVal> ExprEngine::prepareForObjectConstruction(
       // The temporary is to be managed by the parent stack frame.
       // So build it in the parent stack frame if we're not in the
       // top frame of the analysis.
-      const StackFrameContext *SFC = LCtx->getCurrentStackFrame();
+      const StackFrameContext *SFC = LCtx->getStackFrame();
       if (const LocationContext *CallerLCtx = SFC->getParent()) {
         auto RTC = (*SFC->getCallSiteBlock())[SFC->getIndex()]
                        .getAs<CFGCXXRecordTypedCall>();
@@ -289,7 +289,7 @@ void ExprEngine::VisitCXXConstructExpr(const CXXConstructExpr *CE,
   case CXXConstructExpr::CK_VirtualBase:
     // Make sure we are not calling virtual base class initializers twice.
     // Only the most-derived object should initialize virtual base classes.
-    if (const Stmt *Outer = LCtx->getCurrentStackFrame()->getCallSite()) {
+    if (const Stmt *Outer = LCtx->getStackFrame()->getCallSite()) {
       const CXXConstructExpr *OuterCtor = dyn_cast<CXXConstructExpr>(Outer);
       if (OuterCtor) {
         switch (OuterCtor->getConstructionKind()) {
@@ -327,7 +327,7 @@ void ExprEngine::VisitCXXConstructExpr(const CXXConstructExpr *CE,
   case CXXConstructExpr::CK_Delegating: {
     const CXXMethodDecl *CurCtor = cast<CXXMethodDecl>(LCtx->getDecl());
     Loc ThisPtr = getSValBuilder().getCXXThis(CurCtor,
-                                              LCtx->getCurrentStackFrame());
+                                              LCtx->getStackFrame());
     SVal ThisVal = State->getSVal(ThisPtr);
 
     if (CE->getConstructionKind() == CXXConstructExpr::CK_Delegating) {

lib/StaticAnalyzer/Core/ExprEngineCallAndReturn.cpp

@@ -74,15 +74,14 @@ static std::pair<const Stmt*,
                  const CFGBlock*> getLastStmt(const ExplodedNode *Node) {
   const Stmt *S = nullptr;
   const CFGBlock *Blk = nullptr;
-  const StackFrameContext *SF =
-          Node->getLocation().getLocationContext()->getCurrentStackFrame();
+  const StackFrameContext *SF = Node->getStackFrame();
 
   // Back up through the ExplodedGraph until we reach a statement node in this
   // stack frame.
   while (Node) {
     const ProgramPoint &PP = Node->getLocation();
 
-    if (PP.getLocationContext()->getCurrentStackFrame() == SF) {
+    if (PP.getStackFrame() == SF) {
       if (Optional<StmtPoint> SP = PP.getAs<StmtPoint>()) {
         S = SP->getStmt();
         break;
@@ -204,13 +203,12 @@ static bool wasDifferentDeclUsedForInlining(CallEventRef<> Call,
 void ExprEngine::processCallExit(ExplodedNode *CEBNode) {
   // Step 1 CEBNode was generated before the call.
   PrettyStackTraceLocationContext CrashInfo(CEBNode->getLocationContext());
-  const StackFrameContext *calleeCtx =
-      CEBNode->getLocationContext()->getCurrentStackFrame();
+  const StackFrameContext *calleeCtx = CEBNode->getStackFrame();
 
   // The parent context might not be a stack frame, so make sure we
   // look up the first enclosing stack frame.
   const StackFrameContext *callerCtx =
-    calleeCtx->getParent()->getCurrentStackFrame();
+    calleeCtx->getParent()->getStackFrame();
 
   const Stmt *CE = calleeCtx->getCallSite();
   ProgramStateRef state = CEBNode->getState();
@@ -418,7 +416,7 @@ bool ExprEngine::inlineCall(const CallEvent &Call, const Decl *D,
   assert(D);
 
   const LocationContext *CurLC = Pred->getLocationContext();
-  const StackFrameContext *CallerSFC = CurLC->getCurrentStackFrame();
+  const StackFrameContext *CallerSFC = CurLC->getStackFrame();
   const LocationContext *ParentOfCallee = CallerSFC;
   if (Call.getKind() == CE_Block &&
       !cast<BlockCall>(Call).isConversionFromLambda()) {
@@ -612,7 +610,7 @@ ExprEngine::mayInlineCallKind(const CallEvent &Call, const ExplodedNode *Pred,
                               AnalyzerOptions &Opts,
                               const ExprEngine::EvalCallOptions &CallOpts) {
   const LocationContext *CurLC = Pred->getLocationContext();
-  const StackFrameContext *CallerSFC = CurLC->getCurrentStackFrame();
+  const StackFrameContext *CallerSFC = CurLC->getStackFrame();
   switch (Call.getKind()) {
   case CE_Function:
   case CE_Block:

lib/StaticAnalyzer/Core/LoopWidening.cpp

@@ -56,7 +56,7 @@ ProgramStateRef getWidenedLoopState(ProgramStateRef PrevState,
   //      being so inprecise. When the invalidation is improved, the handling
   //      of nested loops will also need to be improved.
   ASTContext &ASTCtx = LCtx->getAnalysisDeclContext()->getASTContext();
-  const StackFrameContext *STC = LCtx->getCurrentStackFrame();
+  const StackFrameContext *STC = LCtx->getStackFrame();
   MemRegionManager &MRMgr = PrevState->getStateManager().getRegionManager();
   const MemRegion *Regions[] = {MRMgr.getStackLocalsRegion(STC),
                                 MRMgr.getStackArgumentsRegion(STC),

lib/StaticAnalyzer/Core/MemRegion.cpp

@@ -921,7 +921,7 @@ MemRegionManager::getBlockDataRegion(const BlockCodeRegion *BC,
     if (LC) {
       // FIXME: Once we implement scope handling, we want the parent region
       // to be the scope.
-      const StackFrameContext *STC = LC->getCurrentStackFrame();
+      const StackFrameContext *STC = LC->getStackFrame();
       assert(STC);
       sReg = getStackLocalsRegion(STC);
     }
@@ -949,7 +949,7 @@ MemRegionManager::getCompoundLiteralRegion(const CompoundLiteralExpr *CL,
   if (CL->isFileScope())
     sReg = getGlobalsRegion();
   else {
-    const StackFrameContext *STC = LC->getCurrentStackFrame();
+    const StackFrameContext *STC = LC->getStackFrame();
     assert(STC);
     sReg = getStackLocalsRegion(STC);
   }
@@ -1014,7 +1014,7 @@ MemRegionManager::getObjCIvarRegion(const ObjCIvarDecl *d,
 const CXXTempObjectRegion*
 MemRegionManager::getCXXTempObjectRegion(Expr const *E,
                                          LocationContext const *LC) {
-  const StackFrameContext *SFC = LC->getCurrentStackFrame();
+  const StackFrameContext *SFC = LC->getStackFrame();
   assert(SFC);
   return getSubRegion<CXXTempObjectRegion>(E, getStackLocalsRegion(SFC));
 }
@@ -1078,7 +1078,7 @@ MemRegionManager::getCXXThisRegion(QualType thisPointerTy,
     LC = LC->getParent();
     D = dyn_cast<CXXMethodDecl>(LC->getDecl());
   }
-  const StackFrameContext *STC = LC->getCurrentStackFrame();
+  const StackFrameContext *STC = LC->getStackFrame();
   assert(STC);
   return getSubRegion<CXXThisRegion>(PT, getStackArgumentsRegion(STC));
 }
@@ -1086,7 +1086,7 @@ MemRegionManager::getCXXThisRegion(QualType thisPointerTy,
 const AllocaRegion*
 MemRegionManager::getAllocaRegion(const Expr *E, unsigned cnt,
                                   const LocationContext *LC) {
-  const StackFrameContext *STC = LC->getCurrentStackFrame();
+  const StackFrameContext *STC = LC->getStackFrame();
   assert(STC);
   return getSubRegion<AllocaRegion>(E, cnt, getStackLocalsRegion(STC));
 }

lib/StaticAnalyzer/Core/SymbolManager.cpp

@@ -542,7 +542,7 @@ bool SymbolReaper::isLive(const VarRegion *VR, bool includeStoreBindings) const{
 
   if (!LCtx)
     return false;
-  const StackFrameContext *CurrentContext = LCtx->getCurrentStackFrame();
+  const StackFrameContext *CurrentContext = LCtx->getStackFrame();
 
   if (VarContext == CurrentContext) {
     // If no statement is provided, everything is live.

lib/StaticAnalyzer/Core/WorkList.cpp

@@ -158,7 +158,7 @@ public:
     } else {
       LocIdentifier LocId = std::make_pair(
           BE->getBlock()->getBlockID(),
-          N->getLocationContext()->getCurrentStackFrame());
+          N->getLocationContext()->getStackFrame());
       auto InsertInfo = Reachable.insert(LocId);
 
       if (InsertInfo.second) {
@@ -234,7 +234,7 @@ public:
     if (auto BE = N->getLocation().getAs<BlockEntrance>()) {
       LocIdentifier LocId = std::make_pair(
           BE->getBlock()->getBlockID(),
-          N->getLocationContext()->getCurrentStackFrame());
+          N->getLocationContext()->getStackFrame());
       NumVisited = NumReached[LocId]++;
     }