#region License
/* 
 * Copyright (C) 1999-2022 John Källén.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 */
#endregion

using Reko.Core;
using Reko.Core.Expressions;
using System;

namespace Reko.UnitTests.Mocks
{
	/// <summary>
	/// Simulates a live copy of a register being value-propagated.
	/// </summary>
	public class LiveCopyMock : ProcedureBuilder
	{
		protected override void BuildBody()
		{
			Identifier tmp = Local32("tmp");
			Identifier reg = Local32("reg");

			Assign(tmp, reg);
			BranchIf(Eq(And(reg,1), 0), "even");

			Assign(reg, IAdd(reg, 2));
			
			Label("even");
			Return(ISub(reg, tmp));
		}
	}
}
