292   bool shouldPredBlockBeOutlined(MachineBasicBlock *BB, MachineBasicBlock *Succ,
298   hasBetterLayoutPredecessor(MachineBasicBlock *BB, MachineBasicBlock *Succ,
398     for (MachineBasicBlock *Succ : MBB->successors()) {  in markChainSuccessors()
399       if (BlockFilter && !BlockFilter->count(Succ))  in markChainSuccessors()
401       BlockChain &SuccChain = *BlockToChain[Succ];  in markChainSuccessors()
403       if (&Chain == &SuccChain || Succ == LoopHeaderBB)  in markChainSuccessors()
445   for (MachineBasicBlock *Succ : BB->successors()) {  in collectViableSuccessors()
447     if (Succ->isEHPad() || (BlockFilter && !BlockFilter->count(Succ))) {  in collectViableSuccessors()
450       BlockChain *SuccChain = BlockToChain[Succ];  in collectViableSuccessors()
453       } else if (Succ != *SuccChain->begin()) {  in collectViableSuccessors()
454         DEBUG(dbgs() << "    " << getBlockName(Succ) << " -> Mid chain!\n");  in collectViableSuccessors()
459       AdjustedSumProb -= MBPI->getEdgeProbability(BB, Succ);  in collectViableSuccessors()
461       Successors.push_back(Succ);  in collectViableSuccessors()
494     MachineBasicBlock *BB, MachineBasicBlock *Succ, BlockChain &Chain,  in shouldPredBlockBeOutlined()  argument
502   if (SuccProb > HotProb.getCompl() && UnavoidableBlocks.count(Succ) > 0) {  in shouldPredBlockBeOutlined()
503     for (MachineBasicBlock *Pred : Succ->predecessors()) {  in shouldPredBlockBeOutlined()
505       if (Pred == Succ || (BlockFilter && !BlockFilter->count(Pred)) ||  in shouldPredBlockBeOutlined()
549     MachineBasicBlock *BB, MachineBasicBlock *Succ, BlockChain &SuccChain,  in hasBetterLayoutPredecessor()  argument
614     DEBUG(dbgs() << "    " << getBlockName(Succ) << " -> " << SuccProb  in hasBetterLayoutPredecessor()
624   for (MachineBasicBlock *Pred : Succ->predecessors()) {  in hasBetterLayoutPredecessor()
625     if (Pred == Succ || BlockToChain[Pred] == &SuccChain ||  in hasBetterLayoutPredecessor()
643         MBFI->getBlockFreq(Pred) * MBPI->getEdgeProbability(Pred, Succ);  in hasBetterLayoutPredecessor()
651     DEBUG(dbgs() << "    " << getBlockName(Succ) << " -> " << SuccProb  in hasBetterLayoutPredecessor()
682   for (MachineBasicBlock *Succ : Successors) {  in selectBestSuccessor()
683     auto RealSuccProb = MBPI->getEdgeProbability(BB, Succ);  in selectBestSuccessor()
688     if (shouldPredBlockBeOutlined(BB, Succ, Chain, BlockFilter, SuccProb,  in selectBestSuccessor()
690       return Succ;  in selectBestSuccessor()
692     BlockChain &SuccChain = *BlockToChain[Succ];  in selectBestSuccessor()
695     if (hasBetterLayoutPredecessor(BB, Succ, SuccChain, SuccProb, RealSuccProb,  in selectBestSuccessor()
700         dbgs() << "    " << getBlockName(Succ) << " -> " << SuccProb  in selectBestSuccessor()
706     BestSucc = Succ;  in selectBestSuccessor()
994     for (MachineBasicBlock *Succ : MBB->successors()) {  in findBestLoopExit()
995       if (Succ->isEHPad())  in findBestLoopExit()
997       if (Succ == MBB)  in findBestLoopExit()
999       BlockChain &SuccChain = *BlockToChain[Succ];  in findBestLoopExit()
1003                      << getBlockName(Succ) << " (chain conflict)\n");  in findBestLoopExit()
1007       auto SuccProb = MBPI->getEdgeProbability(MBB, Succ);  in findBestLoopExit()
1008       if (LoopBlockSet.count(Succ)) {  in findBestLoopExit()
1010                      << getBlockName(Succ) << " (" << SuccProb << ")\n");  in findBestLoopExit()
1016       if (MachineLoop *ExitLoop = MLI->getLoopFor(Succ)) {  in findBestLoopExit()
1024                    << getBlockName(Succ) << " [L:" << SuccLoopDepth << "] (";  in findBestLoopExit()
1033           (MBB->isLayoutSuccessor(Succ) &&  in findBestLoopExit()
1090     for (MachineBasicBlock *Succ : Bottom->successors()) {  in rotateLoop()
1091       BlockChain *SuccChain = BlockToChain[Succ];  in rotateLoop()
1092       if (!LoopBlockSet.count(Succ) &&  in rotateLoop()
1093           (!SuccChain || Succ == *SuccChain->begin()))  in rotateLoop()
1164     for (auto *Succ : BB->successors()) {  in rotateLoopWithProfile()  local
1165       BlockChain *SuccChain = BlockToChain[Succ];  in rotateLoopWithProfile()
1166       if (!LoopBlockSet.count(Succ) &&  in rotateLoopWithProfile()
1167           (!SuccChain || Succ == *SuccChain->begin())) {  in rotateLoopWithProfile()
1168         auto SuccProb = MBPI->getEdgeProbability(BB, Succ);  in rotateLoopWithProfile()
1762     for (MachineBasicBlock *Succ : MBB.successors()) {  in INITIALIZE_PASS_DEPENDENCY()
1764       if (MBB.isLayoutSuccessor(Succ))  in INITIALIZE_PASS_DEPENDENCY()
1768           BlockFreq * MBPI->getEdgeProbability(&MBB, Succ);  in INITIALIZE_PASS_DEPENDENCY()