57   BasicBlock *RetBlock = nullptr;  in mergeEmptyReturnBlocks()  local
83     if (!RetBlock) {  in mergeEmptyReturnBlocks()
84       RetBlock = &BB;  in mergeEmptyReturnBlocks()
96           cast<ReturnInst>(RetBlock->getTerminator())->getOperand(0)) {  in mergeEmptyReturnBlocks()
97       BB.replaceAllUsesWith(RetBlock);  in mergeEmptyReturnBlocks()
103     PHINode *RetBlockPHI = dyn_cast<PHINode>(RetBlock->begin());  in mergeEmptyReturnBlocks()
105       Value *InVal = cast<ReturnInst>(RetBlock->getTerminator())->getOperand(0);  in mergeEmptyReturnBlocks()
106       pred_iterator PB = pred_begin(RetBlock), PE = pred_end(RetBlock);  in mergeEmptyReturnBlocks()
109                                     &RetBlock->front());  in mergeEmptyReturnBlocks()
113       RetBlock->getTerminator()->setOperand(0, RetBlockPHI);  in mergeEmptyReturnBlocks()
121     BranchInst::Create(RetBlock, &BB);  in mergeEmptyReturnBlocks()