2732   BlockChain &FunctionChain = *BlockToChain[&F->front()];  in buildCFGChains()  local
2733   buildChain(&F->front(), FunctionChain);  in buildCFGChains()
2745     for (MachineBasicBlock *ChainBB : FunctionChain)  in buildCFGChains()
2778   for (MachineBasicBlock *ChainBB : FunctionChain) {  in buildCFGChains()
2779     LLVM_DEBUG(dbgs() << (ChainBB == *FunctionChain.begin() ? "Placing chain "  in buildCFGChains()
2788     if (ChainBB == *FunctionChain.begin())  in buildCFGChains()
2850   BlockChain &FunctionChain = *BlockToChain[&F->front()];  in optimizeBranches()  local
2859   for (MachineBasicBlock *ChainBB : FunctionChain) {  in optimizeBranches()
2891   BlockChain &FunctionChain = *BlockToChain[&F->front()];  in alignBlocks()  local
2892   if (FunctionChain.begin() == FunctionChain.end())  in alignBlocks()
2898   for (MachineBasicBlock *ChainBB : FunctionChain) {  in alignBlocks()
2899     if (ChainBB == *FunctionChain.begin())  in alignBlocks()
3603   BlockChain *FunctionChain =  in createCFGChainExtTsp()  local
3609     FunctionChain->merge(&MBB, nullptr);  in createCFGChainExtTsp()