3058       [&](MachineBasicBlock *RemBB) {  in maybeTailDuplicateBlock()  argument
3065         if (BlockToChain.count(RemBB)) {  in maybeTailDuplicateBlock()
3066           BlockChain *Chain = BlockToChain[RemBB];  in maybeTailDuplicateBlock()
3068           Chain->remove(RemBB);  in maybeTailDuplicateBlock()
3069           BlockToChain.erase(RemBB);  in maybeTailDuplicateBlock()
3073         if (&(*PrevUnplacedBlockIt) == RemBB) {  in maybeTailDuplicateBlock()
3080           if (RemBB->isEHPad())  in maybeTailDuplicateBlock()
3082           llvm::erase_value(RemoveList, RemBB);  in maybeTailDuplicateBlock()
3087           BlockFilter->remove(RemBB);  in maybeTailDuplicateBlock()
3091         MLI->removeBlock(RemBB);  in maybeTailDuplicateBlock()
3092         if (RemBB == PreferredLoopExit)  in maybeTailDuplicateBlock()
3096                           << getBlockName(RemBB) << "\n");  in maybeTailDuplicateBlock()