991 class RpoNumber final {
1003   static RpoNumber FromInt(int index) { return RpoNumber(index); }  in FromInt()
1004   static RpoNumber Invalid() { return RpoNumber(kInvalidRpoNumber); }  in Invalid()
1006   bool IsNext(const RpoNumber other) const {  in IsNext()
1012   bool operator==(RpoNumber other) const { return index_ == other.index_; }
1013   bool operator!=(RpoNumber other) const { return index_ != other.index_; }
1014   bool operator>(RpoNumber other) const { return index_ > other.index_; }
1015   bool operator<(RpoNumber other) const { return index_ < other.index_; }
1016   bool operator<=(RpoNumber other) const { return index_ <= other.index_; }
1017   bool operator>=(RpoNumber other) const { return index_ >= other.index_; }
1020   explicit RpoNumber(int32_t index) : index_(index) {}  in RpoNumber()  function
1025 std::ostream& operator<<(std::ostream&, const RpoNumber&);
1047   explicit Constant(RpoNumber rpo) : type_(kRpoNumber), value_(rpo.ToInt()) {}  in Constant()
1083   RpoNumber ToRpoNumber() const {  in ToRpoNumber()
1085     return RpoNumber::FromInt(static_cast<int>(value_));  in ToRpoNumber()
1247   InstructionBlock(Zone* zone, RpoNumber rpo_number, RpoNumber loop_header,  in NON_EXPORTED_BASE()
1248                    RpoNumber loop_end, bool deferred, bool handler);  in NON_EXPORTED_BASE()
1273   RpoNumber ao_number() const { return ao_number_; }  in NON_EXPORTED_BASE()
1274   RpoNumber rpo_number() const { return rpo_number_; }  in NON_EXPORTED_BASE()
1275   RpoNumber loop_header() const { return loop_header_; }  in NON_EXPORTED_BASE()
1276   RpoNumber loop_end() const {  in NON_EXPORTED_BASE()
1282   typedef ZoneVector<RpoNumber> Predecessors;  in NON_EXPORTED_BASE()
1286   size_t PredecessorIndexOf(RpoNumber rpo_number) const;  in NON_EXPORTED_BASE()
1288   typedef ZoneVector<RpoNumber> Successors;  in NON_EXPORTED_BASE()
1298   void set_ao_number(RpoNumber ao_number) { ao_number_ = ao_number; }  in NON_EXPORTED_BASE()
1313   RpoNumber ao_number_;  // Assembly order number.  in NON_EXPORTED_BASE()
1314   const RpoNumber rpo_number_;  in NON_EXPORTED_BASE()
1315   const RpoNumber loop_header_;  in NON_EXPORTED_BASE()
1316   const RpoNumber loop_end_;  in NON_EXPORTED_BASE()
1374   InstructionBlock* InstructionBlockAt(RpoNumber rpo_number) {  in NON_EXPORTED_BASE()
1383   const InstructionBlock* InstructionBlockAt(RpoNumber rpo_number) const {  in NON_EXPORTED_BASE()
1403   Instruction* GetBlockStart(RpoNumber rpo) const;  in NON_EXPORTED_BASE()
1425   void StartBlock(RpoNumber rpo);  in NON_EXPORTED_BASE()
1426   void EndBlock(RpoNumber rpo);  in NON_EXPORTED_BASE()
1478   RpoNumber InputRpo(Instruction* instr, size_t index);  in NON_EXPORTED_BASE()