Lines Matching refs:Def
608 // If one of the defs is read, then there is a use of Def between I and the
1663 MachineInstr *Def = MRI->getUniqueVRegDef(Op.getReg());
1664 if (!Def || Def->getOpcode() != AMDGPU::S_MOV_B32 ||
1665 !Def->getOperand(1).isImm())
1668 return Def->getOperand(1).getImm();
1686 MachineInstr *Def = MRI->getUniqueVRegDef(Base.getReg());
1687 if (!Def || Def->getOpcode() != AMDGPU::REG_SEQUENCE
1688 || Def->getNumOperands() != 5)
1691 MachineOperand BaseLo = Def->getOperand(1);
1692 MachineOperand BaseHi = Def->getOperand(3);