807 struct CounterCoverageMappingBuilder  struct
811   llvm::DenseMap<const Stmt *, unsigned> &CounterMap;
814   llvm::DenseMap<const Stmt *, unsigned> &MCDCBitmapMap;
817   llvm::SmallVector<SourceMappingRegion> RegionStack;
820   MCDCCoverageBuilder MCDCBuilder;
822   CounterExpressionBuilder Builder;
828   SourceLocation MostRecentLocation;
831   bool HasTerminateStmt = false;
834   Counter GapRegionCounter;
837   Counter subtractCounters(Counter LHS, Counter RHS, bool Simplify = true) {  in subtractCounters()
842   Counter addCounters(Counter LHS, Counter RHS, bool Simplify = true) {  in addCounters()
846   Counter addCounters(Counter C1, Counter C2, Counter C3,  in addCounters()
854   Counter getRegionCounter(const Stmt *S) {  in getRegionCounter()
858   unsigned getRegionBitmap(const Stmt *S) { return MCDCBitmapMap[S]; }  in getRegionBitmap()
864   size_t pushRegion(Counter Count,  in pushRegion()
895   size_t pushRegion(unsigned BitmapIdx, unsigned Conditions,  in pushRegion()
905   size_t locationDepth(SourceLocation Loc) {  in locationDepth()
918   void popRegions(size_t ParentIndex) {  in popRegions()
996   SourceMappingRegion &getRegion() {  in getRegion()
1003   Counter propagateCounts(Counter TopCount, const Stmt *S,  in propagateCounts()
1022   bool ConditionFoldsToBool(const Expr *Cond) {  in ConditionFoldsToBool()
1027   using MCDCDecisionIDPair = MCDCCoverageBuilder::DecisionIDPair;
1034   createBranchRegion(const Expr *C, Counter TrueCnt, Counter FalseCnt,  in createBranchRegion()
1068   void createDecisionRegion(const Expr *C, unsigned BitmapIdx, unsigned Conds) {  in createDecisionRegion()
1074   void createSwitchCaseRegion(const SwitchCase *SC, Counter TrueCnt,  in createSwitchCaseRegion()
1084   bool isRegionAlreadyAdded(SourceLocation StartLoc, SourceLocation EndLoc,  in isRegionAlreadyAdded()
1096   void adjustForOutOfOrderTraversal(SourceLocation EndLoc) {  in adjustForOutOfOrderTraversal()
1115   void handleFileExit(SourceLocation NewLoc) {  in handleFileExit()
1187   void extendRegion(const Stmt *S) {  in extendRegion()
1197   void terminateRegion(const Stmt *S) {  in terminateRegion()
1208   std::optional<SourceRange> findGapAreaBetween(SourceLocation AfterLoc,  in findGapAreaBetween()
1261   void fillGapAreaWithCount(SourceLocation StartLoc, SourceLocation EndLoc,  in fillGapAreaWithCount()
1275   std::optional<SourceRange> findAreaStartingFromTo(SourceLocation StartingLoc,  in findAreaStartingFromTo()
1317   void markSkipped(SourceLocation StartLoc, SourceLocation BeforeLoc) {  in markSkipped()
1337   struct BreakContinue {
1341   SmallVector<BreakContinue, 8> BreakContinueStack;
1343   CounterCoverageMappingBuilder(  in CounterCoverageMappingBuilder()  function
1354   void write(llvm::raw_ostream &OS) {  in write()
1369   void VisitStmt(const Stmt *S) {  in VisitStmt()
1396   void VisitDecl(const Decl *D) {  in VisitDecl()
1428   void VisitReturnStmt(const ReturnStmt *S) {  in VisitReturnStmt()
1435   void VisitCoroutineBodyStmt(const CoroutineBodyStmt *S) {  in VisitCoroutineBodyStmt()
1440   void VisitCoreturnStmt(const CoreturnStmt *S) {  in VisitCoreturnStmt()
1447   void VisitCXXThrowExpr(const CXXThrowExpr *E) {  in VisitCXXThrowExpr()
1454   void VisitGotoStmt(const GotoStmt *S) { terminateRegion(S); }  in VisitGotoStmt()
1456   void VisitLabelStmt(const LabelStmt *S) {  in VisitLabelStmt()
1465   void VisitBreakStmt(const BreakStmt *S) {  in VisitBreakStmt()
1474   void VisitContinueStmt(const ContinueStmt *S) {  in VisitContinueStmt()
1481   void VisitCallExpr(const CallExpr *E) {  in VisitCallExpr()
1491   void VisitWhileStmt(const WhileStmt *S) {  in VisitWhileStmt()
1531   void VisitDoStmt(const DoStmt *S) {  in VisitDoStmt()
1564   void VisitForStmt(const ForStmt *S) {  in VisitForStmt()
1621   void VisitCXXForRangeStmt(const CXXForRangeStmt *S) {  in VisitCXXForRangeStmt()
1660   void VisitObjCForCollectionStmt(const ObjCForCollectionStmt *S) {  in VisitObjCForCollectionStmt()
1687   void VisitSwitchStmt(const SwitchStmt *S) {  in VisitSwitchStmt()
1761   void VisitSwitchCase(const SwitchCase *S) {  in VisitSwitchCase()
1784   void coverIfConsteval(const IfStmt *S) {  in coverIfConsteval()
1816   void coverIfConstexpr(const IfStmt *S) {  in coverIfConstexpr()
1867   void VisitIfStmt(const IfStmt *S) {  in VisitIfStmt()
1926   void VisitCXXTryStmt(const CXXTryStmt *S) {  in VisitCXXTryStmt()
1941   void VisitCXXCatchStmt(const CXXCatchStmt *S) {  in VisitCXXCatchStmt()
1945   void VisitAbstractConditionalOperator(const AbstractConditionalOperator *E) {  in VisitAbstractConditionalOperator()
1980   void VisitBinLAnd(const BinaryOperator *E) {  in VisitBinLAnd()
2024   bool shouldVisitRHS(const Expr *LHS) {  in shouldVisitRHS()
2033   void VisitBinLOr(const BinaryOperator *E) {  in VisitBinLOr()
2080   void VisitLambdaExpr(const LambdaExpr *LE) {  in VisitLambdaExpr()
2085   void VisitPseudoObjectExpr(const PseudoObjectExpr *POE) {  in VisitPseudoObjectExpr()
2090   void VisitOpaqueValueExpr(const OpaqueValueExpr* OVE) {  in VisitOpaqueValueExpr()