lib/CodeGen/LiveIntervals.cpp

485     if (VNInfo *DefVNI = LRQ.valueDefined())
486       Idx = DefVNI->def;
589     if (VNInfo *DefVNI = LRQ.valueDefined())
590       Idx = DefVNI->def;
1140       VNInfo *DefVNI;
1147         DefVNI = OldIdxVNI;
1157         DefVNI = OldIdxVNI;
1171                                          DefVNI);
1172         DefVNI->def = NewIdxDef;
1191           *Prev = LiveRange::Segment(Prev->start, NewIdxDef, DefVNI);
1192           DefVNI->def = Prev->start;
1196           *Prev = LiveRange::Segment(NewIdxDef, AfterNewIdx->start, DefVNI);
1197           DefVNI->def = NewIdxDef;
1198           assert(DefVNI != AfterNewIdx->valno);