589                                         SmallVectorImpl<uint64_t> &CallStack) {  in extractCallstack()  argument
609       if (CallStack.empty())  in extractCallstack()
615       if (CallStack.empty() || CallStack.back() != ExternalAddr)  in extractCallstack()
616         CallStack.emplace_back(ExternalAddr);  in extractCallstack()
621     if (!CallStack.empty()) {  in extractCallstack()
633     CallStack.emplace_back(FrameAddr);  in extractCallstack()
637   if (CallStack.size() > 1 && CallStack.back() == ExternalAddr)  in extractCallstack()
638     CallStack.pop_back();  in extractCallstack()
654   return !CallStack.empty() &&  in extractCallstack()
655          !Binary->addressInPrologEpilog(CallStack.front());  in extractCallstack()
686   if (!extractCallstack(TraceIt, Sample->CallStack)) {  in parseSample()
699         Sample->CallStack.clear();  in parseSample()
703         Sample->CallStack.front() = Sample->LBRStack[0].Target;  in parseSample()