view graal/com.oracle.graal.truffle.test/src/com/oracle/graal/truffle/test/builtins/SLDeoptimizeWhenCompiledBuiltin.java @ 20985:eebb05f2d1e8

Fixes for GraphPE
author Christian Wimmer <christian.wimmer@oracle.com>
date Wed, 15 Apr 2015 21:01:33 -0700
parents
children b1530a6cce8c
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/*
 * Copyright (c) 2015, 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.truffle.test.builtins;

import com.oracle.truffle.api.*;
import com.oracle.truffle.api.CompilerDirectives.*;
import com.oracle.truffle.api.dsl.*;
import com.oracle.truffle.api.nodes.*;
import com.oracle.truffle.sl.runtime.*;

/**
 * Forces a deoptimization as soon as the method runs in compiled code.
 */
@NodeInfo(shortName = "deoptimizeWhenCompiled")
public abstract class SLDeoptimizeWhenCompiledBuiltin extends SLGraalRuntimeBuiltin {

    @Specialization
    public SLNull deoptimzeWhenCompiled(boolean condition) {
        if (CompilerDirectives.inCompiledCode()) {
            if (condition) {
                printMessage();
                CompilerDirectives.transferToInterpreterAndInvalidate();
            }
        }
        return SLNull.SINGLETON;
    }

    @TruffleBoundary
    private void printMessage() {
        getContext().getOutput().println("[deoptimizeWhenCompiled]");
    }
}