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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Diagnostics;
using System.Collections.Generic;
using Internal.TypeSystem;
namespace ILCompiler.DependencyAnalysis
{
public class CompilerComparer : TypeSystemComparer, IComparer<ISortableNode>
{
public int Compare(ISortableNode x, ISortableNode y)
{
if (x == y)
{
return 0;
}
int codeX = x.ClassCode;
int codeY = y.ClassCode;
if (codeX == codeY)
{
Debug.Assert(x.GetType() == y.GetType());
int result = x.CompareToImpl(y, this);
// We did a reference equality check above so an "Equal" result is not expected
Debug.Assert(result != 0);
return result;
}
else
{
Debug.Assert(x.GetType() != y.GetType());
return codeY > codeX ? -1 : 1;
}
}
}
}
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