view graal/com.oracle.graal.compiler.hsail.test.infra/src/com/oracle/graal/compiler/hsail/test/infra/ForceDeoptSubstitutions.java @ 18408:2c3666f44855

Truffle: initial commit of object API implementation
author Andreas Woess <andreas.woess@jku.at>
date Tue, 18 Nov 2014 23:19:43 +0100
parents a250a512434d
children
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/*
 * Copyright (c) 2014, 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.hsail.test.infra;

import com.oracle.graal.api.replacements.*;
import com.oracle.graal.nodes.*;
import com.oracle.graal.api.meta.*;

@ClassSubstitution(GraalKernelTester.class)
class ForceDeoptSubstitutions {

    /**
     * Allows us to force a non-exception throwing deopt from java code.
     */
    @MethodSubstitution
    public static int forceDeopt(int x) {
        DeoptimizeNode.deopt(DeoptimizationAction.None, DeoptimizationReason.RuntimeConstraint);
        // will never get here but keep the compiler happy
        return x * x;
    }

    @MethodSubstitution
    public static double forceDeopt(double x) {
        DeoptimizeNode.deopt(DeoptimizationAction.None, DeoptimizationReason.RuntimeConstraint);
        // will never get here but keep the compiler happy
        return x * x;
    }
}