/// Always join simple intervals that are defined by a single copy from a
/// reserved register. This doesn't increase register pressure, so it is
/// always beneficial.
- if (!RegClassInfo.isReserved(CP.getDstReg())) {
+ if (!MRI->isReserved(CP.getDstReg())) {
DEBUG(dbgs() << "\tCan only merge into reserved registers.\n");
return false;
}
/// Attempt joining with a reserved physreg.
bool RegisterCoalescer::joinReservedPhysReg(CoalescerPair &CP) {
assert(CP.isPhys() && "Must be a physreg copy");
- assert(RegClassInfo.isReserved(CP.getDstReg()) && "Not a reserved register");
+ assert(MRI->isReserved(CP.getDstReg()) && "Not a reserved register");
LiveInterval &RHS = LIS->getInterval(CP.getSrcReg());
DEBUG(dbgs() << "\t\tRHS = " << PrintReg(CP.getSrcReg()) << ' ' << RHS
<< '\n');