lib/Sema/SemaCodeComplete.cpp

703     if (const FunctionType *Function = T->getAs<FunctionType>()) {
2835     const FunctionType *FT = getFunctionType();
3925       if (const FunctionType *FType = Results[I].getFunctionType())
3941     QualType FunctionType = Fn->getType();
3942     if (const PointerType *Ptr = FunctionType->getAs<PointerType>())
3943       FunctionType = Ptr->getPointeeType();
3945                                     = FunctionType->getAs<BlockPointerType>())
3946       FunctionType = BlockPtr->getPointeeType();
3948                                     = FunctionType->getAs<MemberPointerType>())
3949       FunctionType = MemPtr->getPointeeType();
3952                                   = FunctionType->getAs<FunctionProtoType>()) {