--- /dev/null 2017-01-22 10:16:57.869617664 -0800 +++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core/src/org/graalvm/compiler/core/phases/EconomyLowTier.java 2017-02-15 16:58:10.990502089 -0800 @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2015, 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 org.graalvm.compiler.core.phases; + +import static org.graalvm.compiler.core.common.GraalOptions.ImmutableCode; + +import org.graalvm.compiler.nodes.spi.LoweringTool; +import org.graalvm.compiler.phases.PhaseSuite; +import org.graalvm.compiler.phases.common.CanonicalizerPhase; +import org.graalvm.compiler.phases.common.ExpandLogicPhase; +import org.graalvm.compiler.phases.common.LoweringPhase; +import org.graalvm.compiler.phases.schedule.SchedulePhase; +import org.graalvm.compiler.phases.tiers.LowTierContext; + +public class EconomyLowTier extends PhaseSuite { + + public EconomyLowTier() { + CanonicalizerPhase canonicalizer = new CanonicalizerPhase(); + if (ImmutableCode.getValue()) { + canonicalizer.disableReadCanonicalization(); + } + + appendPhase(new LoweringPhase(canonicalizer, LoweringTool.StandardLoweringStage.LOW_TIER)); + + appendPhase(new ExpandLogicPhase()); + + appendPhase(new SchedulePhase(SchedulePhase.SchedulingStrategy.FINAL_SCHEDULE)); + } +}