Target/Hexagon/HexagonConstExtenders.cpp

325       Register Rd;
395     OffsetRange getOffsetRange(Register Rd) const;
498     if (ED.Rd.Reg != 0)
499       OS << printReg(ED.Rd.Reg, &HRI, ED.Rd.Sub);
1126 // Get the allowable deviation from the current value of Rd by checking
1127 // all uses of Rd.
1128 OffsetRange HCE::getOffsetRange(Register Rd) const {
1130   for (const MachineOperand &Op : MRI->use_operands(Rd.Reg)) {
1134     if (Rd != Register(Op))
1136     Range.intersect(getOffsetRange(Rd, *Op.getParent()));
1159       // (Re: ##Off + Rb<<S) = Rd: ##Val
1162       case HexagonII::AbsoluteSet:    // (Rd: ## + __<<_)
1163         ED.Rd = MI.getOperand(OpNum-1);
1182       case Hexagon::A2_tfrsi:         // (Rd: ## + __<<_)
1183         ED.Rd = MI.getOperand(0);
1186       case Hexagon::A2_combineii:     // (Rd: ## + __<<_)
1188         ED.Rd = { MI.getOperand(0).getReg(), Hexagon::isub_hi };
1191       case Hexagon::A4_combineri:     // (Rd: ## + __<<_)
1192         ED.Rd = { MI.getOperand(0).getReg(), Hexagon::isub_lo };
1195       case Hexagon::A2_addi:          // (Rd: ## + Rs<<0)
1196         ED.Rd = MI.getOperand(0);
1204       case Hexagon::A2_subri:         // (Rd: ## - Rs<<0)
1205         ED.Rd = MI.getOperand(0);
1279     assert(ED.Rd.Reg != 0);
1280     Ranges[I-Begin] = getOffsetRange(ED.Rd).shift(EV.Offset);
1656       // Loads:  Rd = L4_loadri_ur Rs, S, ##
1833   assert((!ED.IsDef || ED.Rd.Reg != 0) && "Missing Rd for def");
1854   // If ED is a def, and Diff is not 0, then all uses of the register Rd
1855   // defined by ED must be in the form (Rd, imm), i.e. the immediate offset
1856   // must follow the Rd in the operand list.
1859     for (MachineOperand &Op : MRI->use_operands(ED.Rd.Reg)) {
1883     // users of Rd have been updated, all that needs to be done is to replace
1884     // Rd with ExtR.
1886       assert(ED.Rd.Sub == 0 && ExtR.Sub == 0);
1887       MRI->replaceRegWith(ED.Rd.Reg, ExtR.Reg);