602           auto ChainSucc = EdgeIter.first;  in mergeChainPairs()  local
605           if (ChainPred == ChainSucc)  in mergeChainPairs()
609           if (ChainPred->numBlocks() + ChainSucc->numBlocks() >= MaxChainSize)  in mergeChainPairs()
613           auto CurGain = getBestMergeGain(ChainPred, ChainSucc, ChainEdge);  in mergeChainPairs()
619                compareChainPairs(ChainPred, ChainSucc, BestChainPred,  in mergeChainPairs()
623             BestChainSucc = ChainSucc;  in mergeChainPairs()
684   MergeGainTy getBestMergeGain(Chain *ChainPred, Chain *ChainSucc,  in getBestMergeGain()  argument
686     if (Edge->hasCachedMergeGain(ChainPred, ChainSucc)) {  in getBestMergeGain()
687       return Edge->getCachedMergeGain(ChainPred, ChainSucc);  in getBestMergeGain()
716             computeMergeGain(ChainPred, ChainSucc, Jumps, Offset, MergeType));  in getBestMergeGain()
722         computeMergeGain(ChainPred, ChainSucc, Jumps, 0, MergeTypeTy::X_Y));  in getBestMergeGain()
726       for (auto &Jump : ChainSucc->blocks().front()->InJumps) {  in getBestMergeGain()
735       for (auto &Jump : ChainSucc->blocks().back()->OutJumps) {  in getBestMergeGain()
754     Edge->setCachedMergeGain(ChainPred, ChainSucc, Gain);  in getBestMergeGain()
762   MergeGainTy computeMergeGain(const Chain *ChainPred, const Chain *ChainSucc,  in computeMergeGain()  argument
766     auto MergedBlocks = mergeBlocks(ChainPred->blocks(), ChainSucc->blocks(),  in computeMergeGain()
770     if ((ChainPred->isEntry() || ChainSucc->isEntry()) &&  in computeMergeGain()