-}
-
-bool AllocationOrder::isHint(unsigned PhysReg) const {
- return std::find(Hints.begin(), Hints.end(), PhysReg) != Hints.end();
-}
-
-unsigned AllocationOrder::next() {
- if (Pos < Hints.size())
- return Hints[Pos++];
- ArrayRef<MCPhysReg>::iterator I = Order.begin() + (Pos - Hints.size());
- ArrayRef<MCPhysReg>::iterator E = Order.end();
- while (I != E) {
- unsigned Reg = *I++;
- ++Pos;
- if (!isHint(Reg))
- return Reg;
- }
- return 0;
+#ifndef NDEBUG
+ for (unsigned I = 0, E = Hints.size(); I != E; ++I)
+ assert(std::find(Order.begin(), Order.end(), Hints[I]) != Order.end() &&
+ "Target hint is outside allocation order.");
+#endif