if (HintPair.first) {
const TargetRegisterInfo &TRI = VRM.getTargetRegInfo();
// The remaining allocation order may depend on the hint.
- const unsigned *B, *E;
- tie(B, E) = TRI.getAllocationOrder(RC, HintPair.first, Hint,
- VRM.getMachineFunction());
-
- // Empty allocation order?
- if (B == E)
+ ArrayRef<unsigned> Order =
+ TRI.getRawAllocationOrder(RC, HintPair.first, Hint,
+ VRM.getMachineFunction());
+ if (Order.empty())
return;
// Copy the allocation order with reserved registers removed.
OwnedBegin = true;
- unsigned *P = new unsigned[E - B];
+ unsigned *P = new unsigned[Order.size()];
Begin = P;
- for (; B != E; ++B)
- if (!RCI.isReserved(*B))
- *P++ = *B;
+ for (unsigned i = 0; i != Order.size(); ++i)
+ if (!RCI.isReserved(Order[i]))
+ *P++ = Order[i];
End = P;
// Target-dependent hints require resolution.