view graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/InvokeExceptionTest.java @ 7248:b903c1099f41

Fix in MergeNode.removeEnd: while deleting phi inputs some other phis can die
author Gilles Duboscq <duboscq@ssw.jku.at>
date Mon, 17 Dec 2012 17:15:11 +0100
parents 8d16b9b2c51e
children 961ad124cb21
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/*
 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.oracle.graal.compiler.test;

import java.util.*;

import org.junit.*;

import com.oracle.graal.api.code.*;
import com.oracle.graal.nodes.*;
import com.oracle.graal.phases.*;
import com.oracle.graal.phases.common.*;

public class InvokeExceptionTest extends GraalCompilerTest {

    public static synchronized void throwException(int i) {
        if (i == 1) {
            throw new RuntimeException();
        }
    }

    @Test
    public void test1() {
        // fill the profiling data...
        for (int i = 0; i < 10000; i++) {
            try {
                throwException(i & 1);
                test1Snippet(0);
            } catch (Throwable t) {
                // nothing to do...
            }
        }
        test("test1Snippet");
    }

    @SuppressWarnings("all")
    public static void test1Snippet(int a) {
        throwException(a);
    }

    private void test(String snippet) {
        StructuredGraph graph = parseProfiled(snippet);
        Collection<Invoke> hints = new ArrayList<>();
        for (Invoke invoke : graph.getInvokes()) {
            hints.add(invoke);
        }
        Assumptions assumptions = new Assumptions(false);
        new InliningPhase(null, runtime(), hints, assumptions, null, getDefaultPhasePlan(), OptimisticOptimizations.ALL).apply(graph);
        new CanonicalizerPhase(null, runtime(), assumptions).apply(graph);
        new DeadCodeEliminationPhase().apply(graph);
    }
}