void BT::MachineEvaluator::putCell(const RegisterRef &RR, RegisterCell RC,
CellMapType &M) const {
// While updating the cell map can be done in a meaningful way for
// a part of a register, it makes little sense to implement it as the
// SSA representation would never contain such "partial definitions".
if (!TargetRegisterInfo::isVirtualRegister(RR.Reg))
return;
assert(RR.Sub == 0 && "Unexpected sub-register in definition");
// Eliminate all ref-to-reg-0 bit values: replace them with "self".
M[RR.Reg] = RC.regify(RR.Reg);
}
