| /* |
| * Copyright (c) 2013, 2016, 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.ConditionalElimination; |
| import static org.graalvm.compiler.core.common.GraalOptions.ImmutableCode; |
| import static org.graalvm.compiler.core.common.GraalOptions.UseGraalInstrumentation; |
| import static org.graalvm.compiler.phases.common.DeadCodeEliminationPhase.Optionality.Required; |
| |
| import org.graalvm.compiler.nodes.spi.LoweringTool; |
| import org.graalvm.compiler.options.Option; |
| import org.graalvm.compiler.options.OptionType; |
| import org.graalvm.compiler.options.OptionValue; |
| import org.graalvm.compiler.phases.PhaseSuite; |
| import org.graalvm.compiler.phases.common.CanonicalizerPhase; |
| import org.graalvm.compiler.phases.common.DeadCodeEliminationPhase; |
| import org.graalvm.compiler.phases.common.ExpandLogicPhase; |
| import org.graalvm.compiler.phases.common.IterativeConditionalEliminationPhase; |
| import org.graalvm.compiler.phases.common.LoweringPhase; |
| import org.graalvm.compiler.phases.common.ProfileCompiledMethodsPhase; |
| import org.graalvm.compiler.phases.common.RemoveValueProxyPhase; |
| import org.graalvm.compiler.phases.common.UseTrappingNullChecksPhase; |
| import org.graalvm.compiler.phases.common.instrumentation.InlineInstrumentationPhase; |
| import org.graalvm.compiler.phases.schedule.SchedulePhase; |
| import org.graalvm.compiler.phases.tiers.LowTierContext; |
| |
| public class LowTier extends PhaseSuite<LowTierContext> { |
| |
| static class Options { |
| |
| // @formatter:off |
| @Option(help = "", type = OptionType.Debug) |
| public static final OptionValue<Boolean> ProfileCompiledMethods = new OptionValue<>(false); |
| // @formatter:on |
| |
| } |
| |
| public LowTier() { |
| CanonicalizerPhase canonicalizer = new CanonicalizerPhase(); |
| if (ImmutableCode.getValue()) { |
| canonicalizer.disableReadCanonicalization(); |
| } |
| |
| if (Options.ProfileCompiledMethods.getValue()) { |
| appendPhase(new ProfileCompiledMethodsPhase()); |
| } |
| |
| appendPhase(new LoweringPhase(canonicalizer, LoweringTool.StandardLoweringStage.LOW_TIER)); |
| if (UseGraalInstrumentation.getValue()) { |
| appendPhase(new InlineInstrumentationPhase()); |
| } |
| |
| appendPhase(new RemoveValueProxyPhase()); |
| |
| appendPhase(new ExpandLogicPhase()); |
| |
| /* Cleanup IsNull checks resulting from MID_TIER/LOW_TIER lowering and ExpandLogic phase. */ |
| if (ConditionalElimination.getValue()) { |
| appendPhase(new IterativeConditionalEliminationPhase(canonicalizer, false)); |
| /* Canonicalizer may create some new ShortCircuitOrNodes so clean them up. */ |
| appendPhase(new ExpandLogicPhase()); |
| } |
| |
| appendPhase(new UseTrappingNullChecksPhase()); |
| |
| appendPhase(new DeadCodeEliminationPhase(Required)); |
| |
| appendPhase(new SchedulePhase(SchedulePhase.SchedulingStrategy.FINAL_SCHEDULE)); |
| } |
| } |