Transforms/ObjCARC/ObjCARCContract.cpp

75                                &DependingInstructions,
153                                        &DependingInstructions,
164                      DependingInstructions, Visited, PA);
168                      DependingInstructions, Visited, PA);
171   if (DependingInstructions.size() != 1) {
172     DependingInstructions.clear();
176   Retain = dyn_cast_or_null<CallInst>(*DependingInstructions.begin());
177   DependingInstructions.clear();
341   SmallPtrSet<Instruction *, 4> DependingInstructions;
357       if (ContractAutorelease(F, Inst, Class, DependingInstructions, Visited))