assert(!MI->isDebugValue() && "Won't process debug values");
const MCInstrDesc &MCID = MI->getDesc();
for (unsigned i = 0,
- e = MCID.isVariadic() ? MI->getNumOperands() : MCID.getNumDefs();
+ e = MI->isVariadic() ? MI->getNumOperands() : MCID.getNumDefs();
i != e; ++i) {
MachineOperand &MO = MI->getOperand(i);
if (!MO.isReg())
while (!Regs.empty()) {
if (!dv) {
dv = Regs.pop_back_val().Value;
+ // Force the first dv to match the current instruction.
+ dv->AvailableDomains = dv->getCommonDomains(available);
+ assert(dv->AvailableDomains && "Domain should have been filtered");
continue;
}
}
// dv is the DomainValue we are going to use for this instruction.
- if (!dv)
+ if (!dv) {
dv = alloc();
- dv->AvailableDomains = available;
+ dv->AvailableDomains = available;
+ }
dv->Instrs.push_back(mi);
// Finally set all defs and non-collapsed uses to dv.