949                     std::optional<SourceLocation> StartLoc = std::nullopt,  in pushRegion()
954     if (StartLoc && !FalseCount) {  in pushRegion()
955       MostRecentLocation = *StartLoc;  in pushRegion()
960     assert((!StartLoc || StartLoc->isValid()) && "Start location is not valid");  in pushRegion()
967     if (StartLoc && StartLoc->isInvalid())  in pushRegion()
968       StartLoc = std::nullopt;  in pushRegion()
971     RegionStack.emplace_back(Count, FalseCount, BranchParams, StartLoc, EndLoc);  in pushRegion()
977                     std::optional<SourceLocation> StartLoc = std::nullopt,  in pushRegion()
980     RegionStack.emplace_back(DecisionParams, StartLoc, EndLoc);  in pushRegion()
1004         SourceLocation StartLoc = Region.getBeginLoc();  in popRegions()  local
1009         size_t StartDepth = locationDepth(StartLoc);  in popRegions()
1011         while (!SM.isWrittenInSameFile(StartLoc, EndLoc)) {  in popRegions()
1041             SourceLocation NestedLoc = getEndOfFileOrMacro(StartLoc);  in popRegions()
1042             assert(SM.isWrittenInSameFile(StartLoc, NestedLoc));  in popRegions()
1044             if (!isBranch && !isRegionAlreadyAdded(StartLoc, NestedLoc))  in popRegions()
1045               SourceRegions.emplace_back(Region.getCounter(), StartLoc,  in popRegions()
1048             StartLoc = getIncludeOrExpansionLoc(StartLoc);  in popRegions()
1049             if (StartLoc.isInvalid())  in popRegions()
1055         Region.setStartLoc(StartLoc);  in popRegions()
1062           if (StartLoc == getStartOfFileOrMacro(StartLoc) &&  in popRegions()
1085     SourceLocation StartLoc = getStart(S);  in propagateCounts()  local
1087     size_t Index = pushRegion(TopCount, StartLoc, EndLoc);  in propagateCounts()
1095     if (SM.isBeforeInTranslationUnit(StartLoc, S->getBeginLoc()))  in propagateCounts()
1166   bool isRegionAlreadyAdded(SourceLocation StartLoc, SourceLocation EndLoc,  in isRegionAlreadyAdded()
1170           return Region.getBeginLoc() == StartLoc &&  in isRegionAlreadyAdded()
1268     SourceLocation StartLoc = getStart(S);  in extendRegion()  local
1270     handleFileExit(StartLoc);  in extendRegion()
1272       Region.setStartLoc(StartLoc);  in extendRegion()
1340   void fillGapAreaWithCount(SourceLocation StartLoc, SourceLocation EndLoc,  in fillGapAreaWithCount()
1342     if (StartLoc == EndLoc)  in fillGapAreaWithCount()
1344     assert(SpellingRegion(SM, StartLoc, EndLoc).isInSourceOrder());  in fillGapAreaWithCount()
1345     handleFileExit(StartLoc);  in fillGapAreaWithCount()
1346     size_t Index = pushRegion(Count, StartLoc, EndLoc);  in fillGapAreaWithCount()
1396   void markSkipped(SourceLocation StartLoc, SourceLocation BeforeLoc) {  in markSkipped()
1397     const auto Skipped = findAreaStartingFromTo(StartLoc, BeforeLoc);  in markSkipped()