251   for (auto DFI = df_begin(DT->getRootNode()), DFE = df_end(DT->getRootNode());  in computeDomLevels()  local
252        DFI != DFE; ++DFI)  in computeDomLevels()
253     DomLevels[*DFI] = DFI.getPathLength() - 1;  in computeDomLevels()
1110   auto DFI = df_begin(StartingAccess);  in UpwardsDFSWalk()  local
1111   for (auto DFE = df_end(StartingAccess); DFI != DFE;) {  in UpwardsDFSWalk()
1112     MemoryAccess *CurrAccess = *DFI;  in UpwardsDFSWalk()
1136       ++DFI;  in UpwardsDFSWalk()
1147     auto DFICopy = DFI;  in UpwardsDFSWalk()
1203   assert(DFI.getPathLength() > 0 && "We dropped our path?");  in UpwardsDFSWalk()
1204   unsigned N = DFI.getPathLength();  in UpwardsDFSWalk()
1209   if (DFI.getPath(N - 1) == ModifyingAccess)  in UpwardsDFSWalk()
1212     MemoryAccess *CacheAccess = DFI.getPath(N - 1);  in UpwardsDFSWalk()
1225     MemoryAccess *CacheAccess = DFI.getPath(N - 1);  in UpwardsDFSWalk()