[MethodImpl(MethodImplOptions.NoInlining)]
        static ulong UInt64_MultiplyWith15(ulong value)
        {
            // X64:      mov [[REG0:[a-z]+]], [[REG1:[a-z]+]]
            // X64-NEXT: shl [[REG0]], 4
            // X64-NEXT: sub [[REG0]], [[REG1]]
            return value * 15;
        }

        [MethodImpl(MethodImplOptions.NoInlining)]
        static ulong UInt64_MultiplyWith17(ulong value)
        {
            // X64:      mov [[REG0:[a-z]+]], [[REG1:[a-z]+]]
            // X64-NEXT: shl [[REG0]], 4
            // X64-NEXT: add [[REG0]], [[REG1]]
            return value * 17;
        }