Mosa.Compiler.Framework.RegisterAllocator.GreedyRegisterAllocator.GetMaximum C# (CSharp) Method

        private SlotIndex GetMaximum(SlotIndex a, SlotIndex b, SlotIndex c, SlotIndex d)
        {
            var max = a;

            if (max == null || (b != null && b > max))
                max = b;

            if (max == null || (c != null && c > max))
                max = c;

            if (max == null || (d != null && d > max))
                max = d;

            return max;
        }