228 struct UnwindState {  struct
230   const ProfiledBinary *Binary;
232   struct ProfiledFrame {
269   UnwindState(const PerfSample *Sample, const ProfiledBinary *Binary)  in UnwindState()  argument
275   bool validateInitialState() {  in validateInitialState()
293   void checkStateConsistency() {  in checkStateConsistency()
298   void setInvalid() { Invalid = true; }  in setInvalid()
299   bool hasNextLBR() const { return LBRIndex < LBRStack.size(); }  in hasNextLBR()
300   uint64_t getCurrentLBRSource() const { return LBRStack[LBRIndex].Source; }  in getCurrentLBRSource()
301   uint64_t getCurrentLBRTarget() const { return LBRStack[LBRIndex].Target; }  in getCurrentLBRTarget()
302   const LBREntry &getCurrentLBR() const { return LBRStack[LBRIndex]; }  in getCurrentLBR()
303   bool IsLastLBR() const { return LBRIndex == 0; }  in IsLastLBR()
304   bool getLBRStackSize() const { return LBRStack.size(); }  in getLBRStackSize()
305   void advanceLBR() { LBRIndex++; }  in advanceLBR()
306   ProfiledFrame *getParentFrame() { return CurrentLeafFrame->Parent; }  in getParentFrame()
308   void pushFrame(uint64_t Address) {  in pushFrame()
312   void switchToFrame(uint64_t Address) {  in switchToFrame()
318   void popFrame() { CurrentLeafFrame = CurrentLeafFrame->Parent; }  in popFrame()
320   void clearCallStack() { CurrentLeafFrame = &DummyTrieRoot; }  in clearCallStack()
322   void initFrameTrie(const SmallVectorImpl<uint64_t> &CallStack) {  in initFrameTrie()
330   ProfiledFrame *getDummyRootPtr() { return &DummyTrieRoot; }  in getDummyRootPtr()