1 /*

     2  * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 

    25 package org.graalvm.compiler.core.phases;

    26 

    27 import static org.graalvm.compiler.core.common.GraalOptions.ImmutableCode;

    28 

    29 import org.graalvm.compiler.loop.DefaultLoopPolicies;

    30 import org.graalvm.compiler.loop.LoopPolicies;

    31 import org.graalvm.compiler.options.OptionValues;

    32 import org.graalvm.compiler.phases.PhaseSuite;

    33 import org.graalvm.compiler.phases.common.CanonicalizerPhase;

    34 

    35 public class BaseTier<C> extends PhaseSuite<C> {

    36 

    37     public LoopPolicies createLoopPolicies() {

    38         return new DefaultLoopPolicies();

    39     }

    40 

    41     public CanonicalizerPhase createCanonicalizerPhase(OptionValues options) {

    42         CanonicalizerPhase canonicalizer = null;

    43         if (ImmutableCode.getValue(options)) {

    44             canonicalizer = CanonicalizerPhase.createWithoutReadCanonicalization();

    45         } else {

    46             canonicalizer = CanonicalizerPhase.create();

    47         }

    48         return canonicalizer;

    49     }

    50 }