2360   BlockChain &FunctionChain = *BlockToChain[&F->front()];  in buildCFGChains()  local
2361   buildChain(&F->front(), FunctionChain);  in buildCFGChains()
2373     for (MachineBasicBlock *ChainBB : FunctionChain)  in buildCFGChains()
2392   for (MachineBasicBlock *ChainBB : FunctionChain) {  in buildCFGChains()
2393     LLVM_DEBUG(dbgs() << (ChainBB == *FunctionChain.begin() ? "Placing chain "  in buildCFGChains()
2402     if (ChainBB == *FunctionChain.begin())  in buildCFGChains()
2461   BlockChain &FunctionChain = *BlockToChain[&F->front()];  in optimizeBranches()  local
2470   for (MachineBasicBlock *ChainBB : FunctionChain) {  in optimizeBranches()
2503   BlockChain &FunctionChain = *BlockToChain[&F->front()];  in alignBlocks()  local
2504   if (FunctionChain.begin() == FunctionChain.end())  in alignBlocks()
2510   for (MachineBasicBlock *ChainBB : FunctionChain) {  in alignBlocks()
2511     if (ChainBB == *FunctionChain.begin())  in alignBlocks()