/// getAllocatableSetForRC - Toggle the bits that represent allocatable
/// registers for the specific register class.
-static void getAllocatableSetForRC(MachineFunction &MF,
+static void getAllocatableSetForRC(const MachineFunction &MF,
const TargetRegisterClass *RC, BitVector &R){
for (TargetRegisterClass::iterator I = RC->allocation_order_begin(MF),
E = RC->allocation_order_end(MF); I != E; ++I)
R.set(*I);
}
-BitVector TargetRegisterInfo::getAllocatableSet(MachineFunction &MF,
+BitVector TargetRegisterInfo::getAllocatableSet(const MachineFunction &MF,
const TargetRegisterClass *RC) const {
BitVector Allocatable(NumRegs);
if (RC) {