728     if (child->rpo_number() == unvisited) {  in Push()
766     CHECK_EQ(kBlockUnvisited1, schedule_->start()->rpo_number());  in ComputeAndInsertSpecialRPO()
789         if (succ->rpo_number() == kBlockVisited1) continue;  in ComputeAndInsertSpecialRPO()
790         if (succ->rpo_number() == kBlockOnStack) {  in ComputeAndInsertSpecialRPO()
799           DCHECK_EQ(kBlockUnvisited1, succ->rpo_number());  in ComputeAndInsertSpecialRPO()
836           if (block->rpo_number() == kBlockOnStack) {  in ComputeAndInsertSpecialRPO()
863           if (succ->rpo_number() == kBlockOnStack) continue;  in ComputeAndInsertSpecialRPO()
864           if (succ->rpo_number() == kBlockVisited2) continue;  in ComputeAndInsertSpecialRPO()
865           DCHECK_EQ(kBlockUnvisited2, succ->rpo_number());  in ComputeAndInsertSpecialRPO()
1022       os << std::setw(5) << "B" << block->rpo_number() << ":";  in PrintRPO()
1031         os << " range: [B" << block->rpo_number() << ", B"  in PrintRPO()
1032            << block->loop_end()->rpo_number() << ")";  in PrintRPO()
1055       DCHECK_LE(0, header->rpo_number());  in VerifySpecialRPO()
1056       DCHECK_LT(header->rpo_number(), order->size());  in VerifySpecialRPO()
1058       DCHECK_LE(end->rpo_number(), order->size());  in VerifySpecialRPO()
1059       DCHECK_GT(end->rpo_number(), header->rpo_number());  in VerifySpecialRPO()
1073         DCHECK(block->rpo_number() == links + header->rpo_number());  in VerifySpecialRPO()
1079       DCHECK_EQ(links, end->rpo_number() - header->rpo_number());  in VerifySpecialRPO()
1093         DCHECK_EQ(block->rpo_number(), j);  in VerifySpecialRPO()
1094         if (j < header->rpo_number() || j >= end->rpo_number()) {  in VerifySpecialRPO()