1/* 2 * Copyright (c) 2013, 2016, 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 */ 23package org.graalvm.compiler.core.phases; 24 25import static org.graalvm.compiler.core.common.GraalOptions.ConditionalElimination; 26import static org.graalvm.compiler.core.common.GraalOptions.FullUnroll; 27import static org.graalvm.compiler.core.common.GraalOptions.ImmutableCode; 28import static org.graalvm.compiler.core.common.GraalOptions.LoopPeeling; 29import static org.graalvm.compiler.core.common.GraalOptions.LoopUnswitch; 30import static org.graalvm.compiler.core.common.GraalOptions.OptConvertDeoptsToGuards; 31import static org.graalvm.compiler.core.common.GraalOptions.OptLoopTransform; 32import static org.graalvm.compiler.core.common.GraalOptions.OptReadElimination; 33import static org.graalvm.compiler.core.common.GraalOptions.PartialEscapeAnalysis; 34import static org.graalvm.compiler.phases.common.DeadCodeEliminationPhase.Optionality.Optional; 35 36import org.graalvm.compiler.loop.DefaultLoopPolicies; 37import org.graalvm.compiler.loop.LoopPolicies; 38import org.graalvm.compiler.loop.phases.LoopFullUnrollPhase; 39import org.graalvm.compiler.loop.phases.LoopPeelingPhase; 40import org.graalvm.compiler.loop.phases.LoopUnswitchingPhase; 41import org.graalvm.compiler.nodes.spi.LoweringTool; 42import org.graalvm.compiler.options.Option; 43import org.graalvm.compiler.options.OptionKey; 44import org.graalvm.compiler.options.OptionType; 45import org.graalvm.compiler.options.OptionValues; 46import org.graalvm.compiler.phases.PhaseSuite; 47import org.graalvm.compiler.phases.common.CanonicalizerPhase; 48import org.graalvm.compiler.phases.common.ConvertDeoptimizeToGuardPhase; 49import org.graalvm.compiler.phases.common.DeadCodeEliminationPhase; 50import org.graalvm.compiler.phases.common.IncrementalCanonicalizerPhase; 51import org.graalvm.compiler.phases.common.IterativeConditionalEliminationPhase; 52import org.graalvm.compiler.phases.common.LoweringPhase; 53import org.graalvm.compiler.phases.common.RemoveValueProxyPhase; 54import org.graalvm.compiler.phases.common.inlining.InliningPhase; 55import org.graalvm.compiler.phases.tiers.HighTierContext; 56import org.graalvm.compiler.virtual.phases.ea.EarlyReadEliminationPhase; 57import org.graalvm.compiler.virtual.phases.ea.PartialEscapePhase; 58 59public class HighTier extends PhaseSuite<HighTierContext> { 60 61 public static class Options { 62 63 // @formatter:off 64 @Option(help = "Enable inlining", type = OptionType.Expert) 65 public static final OptionKey<Boolean> Inline = new OptionKey<>(true); 66 // @formatter:on 67 } 68 69 public HighTier(OptionValues options) { 70 CanonicalizerPhase canonicalizer = new CanonicalizerPhase(); 71 if (ImmutableCode.getValue(options)) { 72 canonicalizer.disableReadCanonicalization(); 73 } 74 75 appendPhase(canonicalizer); 76 77 if (Options.Inline.getValue(options)) { 78 appendPhase(new InliningPhase(canonicalizer)); 79 appendPhase(new DeadCodeEliminationPhase(Optional)); 80 } 81 82 if (OptConvertDeoptsToGuards.getValue(options)) { 83 appendPhase(new IncrementalCanonicalizerPhase<>(canonicalizer, new ConvertDeoptimizeToGuardPhase())); 84 } 85 86 if (ConditionalElimination.getValue(options)) { 87 appendPhase(new IterativeConditionalEliminationPhase(canonicalizer, false)); 88 } 89 90 LoopPolicies loopPolicies = createLoopPolicies(); 91 if (FullUnroll.getValue(options)) { 92 appendPhase(new LoopFullUnrollPhase(canonicalizer, loopPolicies)); 93 } 94 95 if (OptLoopTransform.getValue(options)) { 96 if (LoopPeeling.getValue(options)) { 97 appendPhase(new LoopPeelingPhase(loopPolicies)); 98 } 99 if (LoopUnswitch.getValue(options)) { 100 appendPhase(new LoopUnswitchingPhase(loopPolicies)); 101 } 102 } 103 104 appendPhase(canonicalizer); 105 106 if (PartialEscapeAnalysis.getValue(options)) { 107 appendPhase(new PartialEscapePhase(true, canonicalizer, options)); 108 } 109 110 if (OptReadElimination.getValue(options)) { 111 appendPhase(new EarlyReadEliminationPhase(canonicalizer)); 112 } 113 114 appendPhase(new RemoveValueProxyPhase()); 115 116 appendPhase(new LoweringPhase(canonicalizer, LoweringTool.StandardLoweringStage.HIGH_TIER)); 117 } 118 119 public LoopPolicies createLoopPolicies() { 120 return new DefaultLoopPolicies(); 121 } 122} 123