779                                            BasicBlock::iterator First,  in spliceDebugInfoEmptyBlock()  argument
800   assert(First == Last);  in spliceDebugInfoEmptyBlock()
802   bool ReadFromHead = First.getHeadBit();  in spliceDebugInfoEmptyBlock()
825   if (Src->empty() || First != Src->begin() || !ReadFromHead)  in spliceDebugInfoEmptyBlock()
829   if (!First->hasDbgValues())  in spliceDebugInfoEmptyBlock()
832   createMarker(Dest)->absorbDebugValues(*First->DbgMarker, InsertAtHead);  in spliceDebugInfoEmptyBlock()
838                                  BasicBlock::iterator First,  in spliceDebugInfo()  argument
879     if (!First.getHeadBit() && First->hasDbgValues()) {  in spliceDebugInfo()
880       MoreDanglingDPValues = Src->getMarker(First);  in spliceDebugInfo()
884     if (First->hasDbgValues()) {  in spliceDebugInfo()
885       DPMarker *CurMarker = Src->getMarker(First);  in spliceDebugInfo()
898       DPMarker *CurMarker = Src->createMarker(&*First);  in spliceDebugInfo()
903     First.setHeadBit(true);  in spliceDebugInfo()
907   spliceDebugInfoImpl(Dest, Src, First, Last);  in spliceDebugInfo()
921                                      BasicBlock::iterator First,  in spliceDebugInfoImpl()  argument
927   bool ReadFromHead = First.getHeadBit();  in spliceDebugInfoImpl()
1016   if (!ReadFromHead && First->hasDbgValues()) {  in spliceDebugInfoImpl()
1018     DPMarker *FromFirst = Src->createMarker(First);  in spliceDebugInfoImpl()
1033       DPMarker *FirstMarker = getMarker(First);  in spliceDebugInfoImpl()
1042     DPMarker *FirstMarker = getMarker(First);  in spliceDebugInfoImpl()
1052 void BasicBlock::splice(iterator Dest, BasicBlock *Src, iterator First,  in splice()  argument
1059   for (auto It = First; It != Last; ++It)  in splice()
1065   if (First == Last) {  in splice()
1066     spliceDebugInfoEmptyBlock(Dest, Src, First, Last);  in splice()
1072     spliceDebugInfo(Dest, Src, First, Last);  in splice()
1075   getInstList().splice(Dest, Src->getInstList(), First, Last);  in splice()