360   /// Array of branch regions corresponding each conditions in the boolean
846   assert(!Record.MappingRegions.empty() && "Function has no regions");  in loadFunctionRecord()
1142   /// Emit segments for active regions which end before \p Loc.
1145   /// regions are completed.
1149     // Sort the completed regions by end location. This makes it simple to  in completeRegionsUntil()
1157     // Emit segments for all completed regions.  in completeRegionsUntil()
1191       // Emit a skipped segment if there are no more active regions. This  in completeRegionsUntil()
1196     // Pop the completed regions.  in completeRegionsUntil()
1200   void buildSegmentsImpl(ArrayRef<CountedRegion> Regions) {  in buildSegmentsImpl()  argument
1201     for (const auto &CR : enumerate(Regions)) {  in buildSegmentsImpl()
1204       // Active regions which end before the current region need to be popped.  in buildSegmentsImpl()
1220         // Avoid making zero-length regions active. If it's the last region,  in buildSegmentsImpl()
1223             (CR.index() + 1) == Regions.size() ||  in buildSegmentsImpl()
1228         // regions's count at CurStartLoc.  in buildSegmentsImpl()
1233       if (CR.index() + 1 == Regions.size() ||  in buildSegmentsImpl()
1234           CurStartLoc != Regions[CR.index() + 1].startLoc()) {  in buildSegmentsImpl()
1244     // Complete any remaining active regions.  in buildSegmentsImpl()
1249   /// Sort a nested sequence of regions from a single file.
1250   static void sortNestedRegions(MutableArrayRef<CountedRegion> Regions) {  in sortNestedRegions()  argument
1251     llvm::sort(Regions, [](const CountedRegion &LHS, const CountedRegion &RHS) {  in sortNestedRegions()
1260       // regions of the same kind as the first region of the area, prefer  in sortNestedRegions()
1271   /// Combine counts of regions which cover the same area.
1273   combineRegions(MutableArrayRef<CountedRegion> Regions) {  in combineRegions()  argument
1274     if (Regions.empty())  in combineRegions()
1275       return Regions;  in combineRegions()
1276     auto Active = Regions.begin();  in combineRegions()
1277     auto End = Regions.end();  in combineRegions()
1278     for (auto I = Regions.begin() + 1; I != End; ++I) {  in combineRegions()
1297       // We add counts of the regions of the same kind as the active region  in combineRegions()
1301                "Regions are generated in different coverage modes");  in combineRegions()
1308     return Regions.drop_back(std::distance(++Active, End));  in combineRegions()
1312   /// Build a sorted list of CoverageSegments from a list of Regions.
1314   buildSegments(MutableArrayRef<CountedRegion> Regions) {  in buildSegments()  argument
1318     sortNestedRegions(Regions);  in buildSegments()
1319     ArrayRef<CountedRegion> CombinedRegions = combineRegions(Regions);  in buildSegments()
1322       dbgs() << "Combined regions:\n";  in buildSegments()
1400   std::vector<CountedRegion> Regions;  in getCoverageForFile()  local
1412         Regions.push_back(CR);  in getCoverageForFile()
1416     // Capture branch regions specific to the function (excluding expansions).  in getCoverageForFile()
1427   FileCoverage.Segments = SegmentBuilder::buildSegments(Regions);  in getCoverageForFile()
1464   std::vector<CountedRegion> Regions;  in getCoverageForFunction()  local
1467       Regions.push_back(CR);  in getCoverageForFunction()
1471   // Capture branch regions specific to the function (excluding expansions).  in getCoverageForFunction()
1483   FunctionCoverage.Segments = SegmentBuilder::buildSegments(Regions);  in getCoverageForFunction()
1492   std::vector<CountedRegion> Regions;  in getCoverageForExpansion()  local
1495       Regions.push_back(CR);  in getCoverageForExpansion()
1500     // Capture branch regions that only pertain to the corresponding expansion.  in getCoverageForExpansion()
1506   ExpansionCoverage.Segments = SegmentBuilder::buildSegments(Regions);  in getCoverageForExpansion()
1516   // Find the minimum number of regions which start in this line.  in LineCoverageStats()