977       const BlockChain *PredChain = BlockToChain[SuccPred];  in isTrellis()  local
979           PredChain == &Chain || PredChain == BlockToChain[Succ])  in isTrellis()
1530     BlockChain *PredChain = BlockToChain[Pred];  in hasBetterLayoutPredecessor()  local
1531     if (Pred == Succ || PredChain == &SuccChain ||  in hasBetterLayoutPredecessor()
1533         PredChain == &Chain || Pred != *std::prev(PredChain->end()) ||  in hasBetterLayoutPredecessor()
1921     BlockChain *PredChain = BlockToChain[Pred];  in TopFallThroughFreq()  local
1923         (!PredChain || Pred == *std::prev(PredChain->end()))) {  in TopFallThroughFreq()
1991      BlockChain *PredChain = BlockToChain[Pred];  in FallThroughGains()  local
1992      if (!PredChain || Pred == *std::prev(PredChain->end())) {  in FallThroughGains()
2289     BlockChain *PredChain = BlockToChain[Pred];  in hasViableTopFallthrough()  local
2291         (!PredChain || Pred == *std::prev(PredChain->end()))) {  in hasViableTopFallthrough()
2435     BlockChain *PredChain = BlockToChain[Pred];  in rotateLoopWithProfile()  local
2437         (!PredChain || Pred == *std::prev(PredChain->end()))) {  in rotateLoopWithProfile()
3120     BlockChain* PredChain = BlockToChain[Pred];  in maybeTailDuplicateBlock()  local
3124         || PredChain == &Chain)  in maybeTailDuplicateBlock()
3130       if (NewChain != &Chain && NewChain != PredChain)  in maybeTailDuplicateBlock()
3162   BlockChain *PredChain = BlockToChain[Pred];  in isBestSuccessor()  local
3163   if (PredChain && (Pred != *std::prev(PredChain->end())))  in isBestSuccessor()