rewriteImplicitOps(li, MI, NewVReg, vrm);
// Reuse NewVReg for other reads.
+ bool HasEarlyClobber = false;
for (unsigned j = 0, e = Ops.size(); j != e; ++j) {
MachineOperand &mopj = MI->getOperand(Ops[j]);
mopj.setReg(NewVReg);
if (mopj.isImplicit())
rewriteImplicitOps(li, MI, NewVReg, vrm);
+ if (mopj.isEarlyClobber())
+ HasEarlyClobber = true;
}
if (CreatedNewVReg) {
}
}
if (HasDef) {
- LiveRange LR(index.getDefIndex(), index.getStoreIndex(),
+ LiveRange LR(HasEarlyClobber ? index.getUseIndex() : index.getDefIndex(),
+ index.getStoreIndex(),
nI.getNextValue(SlotIndex(), 0, VNInfoAllocator));
DEBUG(dbgs() << " +" << LR);
nI.addRange(LR);