Lines Matching defs:DefIdx

280         int DefIdx = MCID->getOperandConstraint(OpNo, MCOI::TIED_TO);
281         if (DefIdx != -1)
282           tieOperands(DefIdx, OpNo);
960   unsigned DefIdx;
961   if (getOperand(OpIdx).isUse() && isRegTiedToDefOperand(OpIdx, &DefIdx))
962     OpIdx = DefIdx;
1150 /// tieOperands - Mark operands at DefIdx and UseIdx as tied to each other.
1162 void MachineInstr::tieOperands(unsigned DefIdx, unsigned UseIdx) {
1163   MachineOperand &DefMO = getOperand(DefIdx);
1165   assert(DefMO.isDef() && "DefIdx must be a def operand");
1170   if (DefIdx < TiedMax)
1171     UseMO.TiedTo = DefIdx + 1;
1178            "DefIdx out of range");