1 /* 2 * Copyright (c) 2015, 2018, 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.ExpandLogicPhase; 34 import org.graalvm.compiler.phases.common.LoweringPhase; 35 import org.graalvm.compiler.phases.schedule.SchedulePhase; 36 import org.graalvm.compiler.phases.tiers.LowTierContext; 37 38 public class EconomyLowTier extends PhaseSuite<LowTierContext> { 39 40 public EconomyLowTier(OptionValues options) { 41 CanonicalizerPhase canonicalizer = new CanonicalizerPhase(); 42 if (ImmutableCode.getValue(options)) { 43 canonicalizer.disableReadCanonicalization(); 44 } 45 46 appendPhase(new LoweringPhase(canonicalizer, LoweringTool.StandardLoweringStage.LOW_TIER)); 47 48 appendPhase(new ExpandLogicPhase()); 49 50 appendPhase(new SchedulePhase(SchedulePhase.SchedulingStrategy.LATEST_OUT_OF_LOOPS)); 51 } 52 }