20   MachineInstr *Def = getDefIgnoringCopies(Reg, MRI);  in getBaseWithConstantOffset()  local
21   if (!Def)  in getBaseWithConstantOffset()
24   if (Def->getOpcode() == TargetOpcode::G_CONSTANT) {  in getBaseWithConstantOffset()
26     const MachineOperand &Op = Def->getOperand(1);  in getBaseWithConstantOffset()
36   if (Def->getOpcode() == TargetOpcode::G_ADD) {  in getBaseWithConstantOffset()
38     if (mi_match(Def->getOperand(2).getReg(), MRI, m_ICst(Offset)))  in getBaseWithConstantOffset()
39       return std::make_pair(Def->getOperand(1).getReg(), Offset);  in getBaseWithConstantOffset()
42     if (mi_match(Def->getOperand(2).getReg(), MRI, m_Copy(m_ICst(Offset))))  in getBaseWithConstantOffset()
43       return std::make_pair(Def->getOperand(1).getReg(), Offset);  in getBaseWithConstantOffset()
47   if (Def->getOpcode() == TargetOpcode::G_PTRTOINT) {  in getBaseWithConstantOffset()
49     if (mi_match(Def->getOperand(1).getReg(), MRI,  in getBaseWithConstantOffset()