635 InstructionBlock::InstructionBlock(Zone* zone, RpoNumber rpo_number,  in InstructionBlock()
636                                    RpoNumber loop_header, RpoNumber loop_end,  in InstructionBlock()
653 size_t InstructionBlock::PredecessorIndexOf(RpoNumber rpo_number) const {  in PredecessorIndexOf()
663 static RpoNumber GetRpo(const BasicBlock* block) {  in GetRpo()
664   if (block == nullptr) return RpoNumber::Invalid();  in GetRpo()
665   return RpoNumber::FromInt(block->rpo_number());  in GetRpo()
669 static RpoNumber GetLoopEndRpo(const BasicBlock* block) {  in GetLoopEndRpo()
670   if (!block->IsLoopHeader()) return RpoNumber::Invalid();  in GetLoopEndRpo()
671   return RpoNumber::FromInt(block->loop_end()->rpo_number());  in GetLoopEndRpo()
714   for (RpoNumber pred : block->predecessors()) {  in operator <<()
737   for (RpoNumber succ : block->successors()) {  in operator <<()
765       for (const RpoNumber& successor_id : block->successors()) {  in ValidateEdgeSplitForm()
780     for (RpoNumber successor_id : block->successors()) {  in ValidateDeferredBlockExitPaths()
794     for (RpoNumber predecessor_id : block->predecessors()) {  in ValidateDeferredBlockEntryPaths()
819       block->set_ao_number(RpoNumber::FromInt(ao++));  in ComputeAssemblyOrder()
824       block->set_ao_number(RpoNumber::FromInt(ao++));  in ComputeAssemblyOrder()
854 Instruction* InstructionSequence::GetBlockStart(RpoNumber rpo) const {  in GetBlockStart()
860 void InstructionSequence::StartBlock(RpoNumber rpo) {  in StartBlock()
868 void InstructionSequence::EndBlock(RpoNumber rpo) {  in EndBlock()
963 RpoNumber InstructionSequence::InputRpo(Instruction* instr, size_t index) {  in InputRpo()
998   RpoNumber rpo = RpoNumber::FromInt(block_id);  in PrintBlock()
1078 std::ostream& operator<<(std::ostream& os, const RpoNumber& rpo) {  in operator <<()
1098     printable_block.block_ = code.InstructionBlockAt(RpoNumber::FromInt(i));  in operator <<()