1 /*
   2  * Copyright (c) 2015, 2015, 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.nodes.spi.LoweringTool;
  30 import org.graalvm.compiler.options.OptionValues;
  31 import org.graalvm.compiler.phases.PhaseSuite;
  32 import org.graalvm.compiler.phases.common.CanonicalizerPhase;
  33 import org.graalvm.compiler.phases.common.FrameStateAssignmentPhase;
  34 import org.graalvm.compiler.phases.common.GuardLoweringPhase;
  35 import org.graalvm.compiler.phases.common.LoopSafepointInsertionPhase;
  36 import org.graalvm.compiler.phases.common.LoweringPhase;
  37 import org.graalvm.compiler.phases.common.RemoveValueProxyPhase;
  38 import org.graalvm.compiler.phases.tiers.MidTierContext;
  39 
  40 public class EconomyMidTier extends PhaseSuite<MidTierContext> {
  41 
  42     public EconomyMidTier(OptionValues options) {
  43         CanonicalizerPhase canonicalizer = new CanonicalizerPhase();
  44         if (ImmutableCode.getValue(options)) {
  45             canonicalizer.disableReadCanonicalization();
  46         }
  47         appendPhase(new RemoveValueProxyPhase());
  48 
  49         appendPhase(new LoopSafepointInsertionPhase());
  50 
  51         appendPhase(new GuardLoweringPhase());
  52 
  53         appendPhase(new LoweringPhase(canonicalizer, LoweringTool.StandardLoweringStage.MID_TIER));
  54 
  55         appendPhase(new FrameStateAssignmentPhase());
  56     }
  57 }