AddToWorklist    2288 src/hydrogen.cc   void AddToWorklist(HValue* current);
AddToWorklist    2334 src/hydrogen.cc     AddToWorklist(it.value());
AddToWorklist    2337 src/hydrogen.cc     AddToWorklist(value->OperandAt(i));
AddToWorklist    2481 src/hydrogen.cc       AddToWorklist(phis->at(j));
AddToWorklist    2486 src/hydrogen.cc       AddToWorklist(current);