32 lines
1010 B
Java
32 lines
1010 B
Java
/******************************************************************************
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* Copyright (c) 2002 - 2006 IBM Corporation.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*****************************************************************************/
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package com.ibm.wala.cast.ir.cfg;
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import java.util.Iterator;
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import com.ibm.wala.cfg.ControlFlowGraph;
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import com.ibm.wala.cfg.IBasicBlock;
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import com.ibm.wala.util.debug.Assertions;
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public class Util {
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public static <I, T extends IBasicBlock<I>> int whichPred(ControlFlowGraph<I, T> CFG, T Y, T X) {
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int i = 0;
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for (Iterator<?> N = CFG.getPredNodes(Y); N.hasNext(); i++)
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if (N.next() == X)
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return i;
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Assertions.UNREACHABLE();
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return -1;
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}
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}
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