274   void rotateLoop(BlockChain &LoopChain, MachineBasicBlock *ExitingBB,
276   void rotateLoopWithProfile(BlockChain &LoopChain, MachineLoop &L,
803 void MachineBlockPlacement::rotateLoop(BlockChain &LoopChain,  in rotateLoop()  argument
809   MachineBasicBlock *Top = *LoopChain.begin();  in rotateLoop()
824     MachineBasicBlock *Bottom = *std::prev(LoopChain.end());  in rotateLoop()
834       std::find(LoopChain.begin(), LoopChain.end(), ExitingBB);  in rotateLoop()
835   if (ExitIt == LoopChain.end())  in rotateLoop()
838   std::rotate(LoopChain.begin(), std::next(ExitIt), LoopChain.end());  in rotateLoop()
855     BlockChain &LoopChain, MachineLoop &L, const BlockFilterSet &LoopBlockSet) {  in rotateLoopWithProfile()  argument
857   auto HeaderIter = std::find(LoopChain.begin(), LoopChain.end(), HeaderBB);  in rotateLoopWithProfile()
858   auto RotationPos = LoopChain.end();  in rotateLoopWithProfile()
897   for (auto BB : LoopChain) {  in rotateLoopWithProfile()
916   for (auto Iter = LoopChain.begin(), TailIter = std::prev(LoopChain.end()),  in rotateLoopWithProfile()
917             EndIter = LoopChain.end();  in rotateLoopWithProfile()
921     if (TailIter == LoopChain.end())  in rotateLoopWithProfile()
922       TailIter = LoopChain.begin();  in rotateLoopWithProfile()
980   if (RotationPos != LoopChain.end()) {  in rotateLoopWithProfile()
983     std::rotate(LoopChain.begin(), RotationPos, LoopChain.end());  in rotateLoopWithProfile()
1060   BlockChain &LoopChain = *BlockToChain[LoopTop];  in buildLoopChains()  local
1066   assert(LoopChain.LoopPredecessors == 0);  in buildLoopChains()
1067   UpdatedPreds.insert(&LoopChain);  in buildLoopChains()
1088   buildChain(LoopTop, LoopChain, BlockWorkList, &LoopBlockSet);  in buildLoopChains()
1091     rotateLoopWithProfile(LoopChain, L, LoopBlockSet);  in buildLoopChains()
1093     rotateLoop(LoopChain, ExitingBB, LoopBlockSet);  in buildLoopChains()
1098     if (LoopChain.LoopPredecessors) {  in buildLoopChains()
1102              << "  Chain header: " << getBlockName(*LoopChain.begin()) << "\n";  in buildLoopChains()
1104     for (MachineBasicBlock *ChainBB : LoopChain) {  in buildLoopChains()
1112                << "  Chain header: " << getBlockName(*LoopChain.begin()) << "\n"  in buildLoopChains()
1122                << "  Chain header: " << getBlockName(*LoopChain.begin()) << "\n"  in buildLoopChains()