89   bool optimizeRetainCall(Function &F, Instruction *Retain);
125 bool ObjCARCContract::optimizeRetainCall(Function &F, Instruction *Retain) {  in optimizeRetainCall()  argument
126   const auto *Call = dyn_cast<CallBase>(GetArgRCIdentityRoot(Retain));  in optimizeRetainCall()
129   if (Call->getParent() != Retain->getParent())  in optimizeRetainCall()
136   if (&*I != Retain)  in optimizeRetainCall()
147              << *Retain << "\n");  in optimizeRetainCall()
152   cast<CallInst>(Retain)->setCalledFunction(Decl);  in optimizeRetainCall()
154   LLVM_DEBUG(dbgs() << "New: " << *Retain << "\n");  in optimizeRetainCall()
168   auto *Retain = dyn_cast_or_null<CallInst>(  in contractAutorelease()  local
171   if (!Retain || GetBasicARCInstKind(Retain) != ARCInstKind::Retain ||  in contractAutorelease()
172       GetArgRCIdentityRoot(Retain) != Arg)  in contractAutorelease()
183                     << *Retain << "\n");  in contractAutorelease()
188   Retain->setCalledFunction(Decl);  in contractAutorelease()
190   LLVM_DEBUG(dbgs() << "        New RetainAutorelease: " << *Retain << "\n");  in contractAutorelease()
289   while (I != Begin && GetBasicARCInstKind(&*I) != ARCInstKind::Retain) {  in findRetainForStoreStrongContraction()
299   Instruction *Retain = &*I;  in findRetainForStoreStrongContraction()  local
300   if (GetBasicARCInstKind(Retain) != ARCInstKind::Retain)  in findRetainForStoreStrongContraction()
302   if (GetArgRCIdentityRoot(Retain) != New)  in findRetainForStoreStrongContraction()
304   return Retain;  in findRetainForStoreStrongContraction()
386   Instruction *Retain =  in tryToContractReleaseIntoStoreStrong()  local
390   if (!Retain)  in tryToContractReleaseIntoStoreStrong()
401                    << "            Retain:  " << *Retain << "\n"  in tryToContractReleaseIntoStoreStrong()
426   if (&*Iter == Retain) ++Iter;  in tryToContractReleaseIntoStoreStrong()
430   EraseInstruction(Retain);  in tryToContractReleaseIntoStoreStrong()
449   case ARCInstKind::Retain:  in tryToPeepholeInstruction()