441                              unsigned NestLevel,  in IsChainDependent()  argument
452         if (IsChainDependent(Op.getNode(), Inner, NestLevel, TII))  in IsChainDependent()
459         ++NestLevel;  in IsChainDependent()
461         if (NestLevel == 0)  in IsChainDependent()
463         --NestLevel;  in IsChainDependent()
489 FindCallSeqStart(SDNode *N, unsigned &NestLevel, unsigned &MaxNest,  in FindCallSeqStart()  argument
499         unsigned MyNestLevel = NestLevel;  in FindCallSeqStart()
515         ++NestLevel;  in FindCallSeqStart()
516         MaxNest = std::max(MaxNest, NestLevel);  in FindCallSeqStart()
518         assert(NestLevel != 0);  in FindCallSeqStart()
519         --NestLevel;  in FindCallSeqStart()
520         if (NestLevel == 0)  in FindCallSeqStart()
582         unsigned NestLevel = 0;  in ReleasePredecessors()  local
584         SDNode *N = FindCallSeqStart(Node, NestLevel, MaxNest, TII);  in ReleasePredecessors()