961                                                 MachineBasicBlock *ToBB,  in isLegalToBreakCriticalEdge()  argument
964   if (!SplitEdges || FromBB == ToBB || !FromBB->isSuccessor(ToBB))  in isLegalToBreakCriticalEdge()
968   MachineCycle *ToCycle = CI->getCycle(ToBB);  in isLegalToBreakCriticalEdge()
972       (!FromCycle->isReducible() || FromCycle->getHeader() == ToBB))  in isLegalToBreakCriticalEdge()
1015     for (MachineBasicBlock *Pred : ToBB->predecessors())  in isLegalToBreakCriticalEdge()
1016       if (Pred != FromBB && !DT->dominates(ToBB, Pred))  in isLegalToBreakCriticalEdge()
1025                                                MachineBasicBlock *ToBB,  in PostponeSplitCriticalEdge()  argument
1029   if (isWorthBreakingCriticalEdge(MI, FromBB, ToBB, DeferredFromBB)) {  in PostponeSplitCriticalEdge()
1033          ToSplit.count(std::make_pair(DeferredFromBB, ToBB)) ||  in PostponeSplitCriticalEdge()
1034          isLegalToBreakCriticalEdge(MI, DeferredFromBB, ToBB, BreakPHIEdge)) &&  in PostponeSplitCriticalEdge()
1035         isLegalToBreakCriticalEdge(MI, FromBB, ToBB, BreakPHIEdge)) {  in PostponeSplitCriticalEdge()
1036       ToSplit.insert(std::make_pair(FromBB, ToBB));  in PostponeSplitCriticalEdge()
1038         ToSplit.insert(std::make_pair(DeferredFromBB, ToBB));  in PostponeSplitCriticalEdge()