1986    MachineBasicBlock *BestPred = nullptr;  in FallThroughGains()  local
1997          BestPred = Pred;  in FallThroughGains()
2005    if (BestPred) {  in FallThroughGains()
2006      for (MachineBasicBlock *Succ : BestPred->successors()) {  in FallThroughGains()
2007        if ((Succ == NewTop) || (Succ == BestPred) || !LoopBlockSet.count(Succ))  in FallThroughGains()
2013            (SuccChain == BlockToChain[BestPred]))  in FallThroughGains()
2015        BlockFrequency EdgeFreq = MBFI->getBlockFreq(BestPred) *  in FallThroughGains()
2016            MBPI->getEdgeProbability(BestPred, Succ);  in FallThroughGains()
2020      BlockFrequency OrigEdgeFreq = MBFI->getBlockFreq(BestPred) *  in FallThroughGains()
2021          MBPI->getEdgeProbability(BestPred, NewTop);  in FallThroughGains()
2080   MachineBasicBlock *BestPred = nullptr;  in findBestLoopTopHelper()  local
2106       BestPred = Pred;  in findBestLoopTopHelper()
2112   if (!BestPred) {  in findBestLoopTopHelper()
2118   while (BestPred->pred_size() == 1 &&  in findBestLoopTopHelper()
2119          (*BestPred->pred_begin())->succ_size() == 1 &&  in findBestLoopTopHelper()
2120          *BestPred->pred_begin() != L.getHeader())  in findBestLoopTopHelper()
2121     BestPred = *BestPred->pred_begin();  in findBestLoopTopHelper()
2123   LLVM_DEBUG(dbgs() << "    final top: " << getBlockName(BestPred) << "\n");  in findBestLoopTopHelper()
2124   return BestPred;  in findBestLoopTopHelper()