50     IndexType E = (end() != IndexType::None) ? end() : start();  in contains()
51     IndexType AE = (A.end() != IndexType::None) ? A.end() : A.start();  in contains()
62   if (AS < start() || start() == IndexType::None)  in merge()
64   if (end() < AE || end() == IndexType::None) {  in merge()
120   if (AE == IndexType::None)  in addsub()
126     assert(AE != IndexType::None);  in addsub()
133     if (BE == IndexType::None)  in addsub()
164     assert(getIndex(&In) == IndexType::None && "Instruction already in map");  in InstrIndexMap()
168   Last = B.empty() ? IndexType::None : unsigned(Idx)-1;  in InstrIndexMap()
181   return IndexType::None;  in getIndex()
186   assert (Idx != IndexType::None);  in getPrevIndex()
188     return IndexType::None;  in getPrevIndex()
198   assert (Idx != IndexType::None);  in getNextIndex()
202     return IndexType::None;  in getNextIndex()
304     if (LD == IndexType::None)  in computeInitialLiveRanges()
306     if (LU == IndexType::None)  in computeInitialLiveRanges()
309     LastUse[R] = LastDef[R] = IndexType::None;  in computeInitialLiveRanges()
377       if (LastDef[S] != IndexType::None || LastUse[S] != IndexType::None)  in computeInitialLiveRanges()
385       if (LastDef[S] != IndexType::None || LastUse[S] != IndexType::None)  in computeInitialLiveRanges()
405     if (I.second != IndexType::None)  in computeInitialLiveRanges()
408     if (I.second != IndexType::None)  in computeInitialLiveRanges()
452       IndexType AE = (A->end() == IndexType::None) ? A->start() : A->end();  in computeDeadMap()
462       IndexType ZE = (Z->end() == IndexType::None) ? Z->start() : Z->end();  in computeDeadMap()
492   if (Idx == HexagonBlockRanges::IndexType::None)  in operator <<()