private LiveInterval(VirtualRegister virtualRegister, SlotIndex start, SlotIndex end, IList <SlotIndex> uses, IList <SlotIndex> defs)
{
LiveRange = new LiveRange(start, end, uses, defs);
VirtualRegister = virtualRegister;
SpillValue = 0;
Stage = AllocationStage.Initial;
ForceSpilled = false;
NeverSpill = false;
}
private LiveInterval(VirtualRegister virtualRegister, SlotIndex start, SlotIndex end, IList<SlotIndex> uses, IList<SlotIndex> defs)
{
LiveRange = new LiveRange(start, end, uses, defs);
VirtualRegister = virtualRegister;
SpillValue = 0;
Stage = AllocationStage.Initial;
ForceSpilled = false;
NeverSpill = false;
}
public IList <LiveInterval> SplitAt(SlotIndex low, SlotIndex high)
{
var liveRanges = LiveRange.SplitAt(low, high);
var intervals = new List <LiveInterval>(liveRanges.Count);
foreach (var liveRange in liveRanges)
{
intervals.Add(CreateSplit(liveRange));
}
return(intervals);
}
public LiveInterval(VirtualRegister virtualRegister, SlotIndex start, SlotIndex end)
{
VirtualRegister = virtualRegister;
Start = start;
End = end;
LiveRange = new LiveRange(start, end, virtualRegister);
SpillValue = 0;
Stage = AllocationStage.Initial;
ForceSpilled = false;
NeverSpill = false;
TooSmallToSplit = IsTooSmallToSplit();
}
public void LiveRangeTest()
{
var basicBlocks = CreateBasicBlockInstructionSet();
GreedyRegisterAllocator.NumberInstructions(basicBlocks);
var liveRange = new LiveRange(
new SlotIndex(basicBlocks[0].First),
new SlotIndex(basicBlocks[0].Last),
new List<SlotIndex>(),
new List<SlotIndex>()
);
Assert.True(liveRange.IsEmpty);
//liveRange.SplitAt(basicBlocks.)
}
private LiveInterval CreateSplit(LiveRange liveRange)
{
return new LiveInterval(VirtualRegister, liveRange.Start, liveRange.End, LiveRange.UsePositions, LiveRange.DefPositions);
}
private LiveInterval CreateSplit(LiveRange liveRange)
{
return(new LiveInterval(VirtualRegister, liveRange.Start, liveRange.End, LiveRange.UsePositions, LiveRange.DefPositions));
}
public override string ToString()
{
return(VirtualRegister.ToString() + " between " + LiveRange.ToString());
}
public bool Intersects(LiveInterval other)
{
return(LiveRange.Intersects(other.LiveRange));
}
public bool IsAdjacent(LiveInterval other)
{
return(LiveRange.IsAdjacent(other.LiveRange));
}
public bool Contains(SlotIndex start)
{
return(LiveRange.Contains(start));
}
public bool Intersects(SlotIndex start, SlotIndex end)
{
return(LiveRange.Intersects(start, end));
}
public bool IsAdjacent(SlotIndex start, SlotIndex end)
{
return(LiveRange.IsAdjacent(start, end));
}
private LiveInterval CreateSplit(LiveRange liveRange)
{
return(new LiveInterval(VirtualRegister, liveRange.Start, liveRange.End));
}
