271     struct ExtExpr {  struct
297       ExtExpr() = default;
298       ExtExpr(Register RS, bool NG, unsigned SH) : Rs(RS), S(SH), Neg(NG) {}  in ExtExpr()  function
303       bool operator==(const ExtExpr &Ex) const {  in operator ==()  argument
306       bool operator!=(const ExtExpr &Ex) const {  in operator !=()  argument
309       bool operator<(const ExtExpr &Ex) const {  in operator <()  argument
323       ExtExpr Expr;
378     using ExtenderInit = std::pair<ExtValue, ExtExpr>;
461     PrintExpr(const HCE::ExtExpr &E, const HexagonRegisterInfo &I)  in PrintExpr()
463     const HCE::ExtExpr &Ex;
1424     AssignmentMap::iterator F = IMap.find({EV, ExtExpr()});  in assignInits()
1540   const ExtExpr &Ex = ExtI.second;  in insertInitializer()
1774   const ExtExpr &Ex = ExtI.second; (void)Ex;  in replaceInstrExpr()
1858   const ExtExpr &DefEx = ExtI.second;  in replaceInstr()