750                                            BasicBlock::iterator First,  in spliceDebugInfoEmptyBlock()  argument
771   assert(First == Last);  in spliceDebugInfoEmptyBlock()
773   bool ReadFromHead = First.getHeadBit();  in spliceDebugInfoEmptyBlock()
793   if (Src->empty() || First != Src->begin() || !ReadFromHead)  in spliceDebugInfoEmptyBlock()
797   if (!First->hasDbgRecords())  in spliceDebugInfoEmptyBlock()
800   createMarker(Dest)->absorbDebugValues(*First->DebugMarker, InsertAtHead);  in spliceDebugInfoEmptyBlock()
806                                  BasicBlock::iterator First,  in spliceDebugInfo()  argument
847     if (!First.getHeadBit() && First->hasDbgRecords()) {  in spliceDebugInfo()
848       MoreDanglingDbgRecords = Src->getMarker(First);  in spliceDebugInfo()
852     if (First->hasDbgRecords()) {  in spliceDebugInfo()
860       First->adoptDbgRecords(this, end(), true);  in spliceDebugInfo()
864       DbgMarker *CurMarker = Src->createMarker(&*First);  in spliceDebugInfo()
869     First.setHeadBit(true);  in spliceDebugInfo()
873   spliceDebugInfoImpl(Dest, Src, First, Last);  in spliceDebugInfo()
888                                      BasicBlock::iterator First,  in spliceDebugInfoImpl()  argument
894   bool ReadFromHead = First.getHeadBit();  in spliceDebugInfoImpl()
999   if (!ReadFromHead && First->hasDbgRecords()) {  in spliceDebugInfoImpl()
1001       Last->adoptDbgRecords(Src, First, true);  in spliceDebugInfoImpl()
1004       DbgMarker *FromFirst = Src->createMarker(First);  in spliceDebugInfoImpl()
1024       DbgMarker *FirstMarker = createMarker(First);  in spliceDebugInfoImpl()
1031 void BasicBlock::splice(iterator Dest, BasicBlock *Src, iterator First,  in splice()  argument
1038   for (auto It = First; It != Last; ++It)  in splice()
1044   if (First == Last) {  in splice()
1045     spliceDebugInfoEmptyBlock(Dest, Src, First, Last);  in splice()
1051     spliceDebugInfo(Dest, Src, First, Last);  in splice()
1054   getInstList().splice(Dest, Src->getInstList(), First, Last);  in splice()