2780   BlockChain &FunctionChain = *BlockToChain[&F->front()];  in buildCFGChains()  local
2781   buildChain(&F->front(), FunctionChain);  in buildCFGChains()
2793     for (MachineBasicBlock *ChainBB : FunctionChain)  in buildCFGChains()
2826   for (MachineBasicBlock *ChainBB : FunctionChain) {  in buildCFGChains()
2827     LLVM_DEBUG(dbgs() << (ChainBB == *FunctionChain.begin() ? "Placing chain "  in buildCFGChains()
2836     if (ChainBB == *FunctionChain.begin())  in buildCFGChains()
2898   BlockChain &FunctionChain = *BlockToChain[&F->front()];  in optimizeBranches()  local
2907   for (MachineBasicBlock *ChainBB : FunctionChain) {  in optimizeBranches()
2939   BlockChain &FunctionChain = *BlockToChain[&F->front()];  in alignBlocks()  local
2940   if (FunctionChain.begin() == FunctionChain.end())  in alignBlocks()
2946   for (MachineBasicBlock *ChainBB : FunctionChain) {  in alignBlocks()
2947     if (ChainBB == *FunctionChain.begin())  in alignBlocks()
3694   BlockChain *FunctionChain =  in createCFGChainExtTsp()  local
3700     FunctionChain->merge(&MBB, nullptr);  in createCFGChainExtTsp()