Transforms/Scalar/DeadStoreElimination.cpp

307     int64_t KillingIntEnd = KillingOff + KillingSize;
310     // before KillingIntEnd.
312     if (ILI != IM.end() && ILI->second <= KillingIntEnd) {
314       // in [KillingIntStart, KillingIntEnd]. Merge them by erasing the existing
317       KillingIntEnd = std::max(KillingIntEnd, ILI->first);
326       while (ILI != IM.end() && ILI->second <= KillingIntEnd) {
328         KillingIntEnd = std::max(KillingIntEnd, ILI->first);
333     IM[KillingIntEnd] = KillingIntStart;