1 /* 2 * Copyright (c) 2013, 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.ConditionalElimination; 28 import static org.graalvm.compiler.core.common.GraalOptions.FullUnroll; 29 import static org.graalvm.compiler.core.common.GraalOptions.ImmutableCode; 30 import static org.graalvm.compiler.core.common.GraalOptions.LoopPeeling; 31 import static org.graalvm.compiler.core.common.GraalOptions.LoopUnswitch; 32 import static org.graalvm.compiler.core.common.GraalOptions.OptConvertDeoptsToGuards; 33 import static org.graalvm.compiler.core.common.GraalOptions.OptLoopTransform; 34 import static org.graalvm.compiler.core.common.GraalOptions.OptReadElimination; 35 import static org.graalvm.compiler.core.common.GraalOptions.PartialEscapeAnalysis; 36 import static org.graalvm.compiler.phases.common.DeadCodeEliminationPhase.Optionality.Optional; 37 38 import org.graalvm.compiler.loop.DefaultLoopPolicies; 39 import org.graalvm.compiler.loop.LoopPolicies; 40 import org.graalvm.compiler.loop.phases.LoopFullUnrollPhase; 41 import org.graalvm.compiler.loop.phases.LoopPeelingPhase; 42 import org.graalvm.compiler.loop.phases.LoopUnswitchingPhase; 43 import org.graalvm.compiler.nodes.spi.LoweringTool; 44 import org.graalvm.compiler.options.Option; 45 import org.graalvm.compiler.options.OptionKey; 46 import org.graalvm.compiler.options.OptionType; 47 import org.graalvm.compiler.options.OptionValues; 48 import org.graalvm.compiler.phases.PhaseSuite; 49 import org.graalvm.compiler.phases.common.CanonicalizerPhase; 50 import org.graalvm.compiler.loop.phases.ConvertDeoptimizeToGuardPhase; 51 import org.graalvm.compiler.phases.common.DeadCodeEliminationPhase; 52 import org.graalvm.compiler.phases.common.IncrementalCanonicalizerPhase; 53 import org.graalvm.compiler.phases.common.IterativeConditionalEliminationPhase; 54 import org.graalvm.compiler.phases.common.LoweringPhase; 55 import org.graalvm.compiler.phases.common.NodeCounterPhase; 56 import org.graalvm.compiler.phases.common.RemoveValueProxyPhase; 57 import org.graalvm.compiler.phases.common.inlining.InliningPhase; 58 import org.graalvm.compiler.phases.common.inlining.policy.GreedyInliningPolicy; 59 import org.graalvm.compiler.phases.tiers.HighTierContext; 60 import org.graalvm.compiler.virtual.phases.ea.EarlyReadEliminationPhase; 61 import org.graalvm.compiler.virtual.phases.ea.PartialEscapePhase; 62 63 public class HighTier extends PhaseSuite<HighTierContext> { 64 65 public static class Options { 66 67 // @formatter:off 68 @Option(help = "Enable inlining", type = OptionType.Expert) 69 public static final OptionKey<Boolean> Inline = new OptionKey<>(true); 70 // @formatter:on 71 } 72 73 public HighTier(OptionValues options) { 74 CanonicalizerPhase canonicalizer = new CanonicalizerPhase(); 75 if (ImmutableCode.getValue(options)) { 76 canonicalizer.disableReadCanonicalization(); 77 } 78 79 appendPhase(canonicalizer); 80 81 if (NodeCounterPhase.Options.NodeCounters.getValue(options)) { 82 appendPhase(new NodeCounterPhase(NodeCounterPhase.Stage.INIT)); 83 } 84 85 if (Options.Inline.getValue(options)) { 86 appendPhase(new InliningPhase(new GreedyInliningPolicy(null), canonicalizer)); 87 appendPhase(new DeadCodeEliminationPhase(Optional)); 88 } 89 90 if (NodeCounterPhase.Options.NodeCounters.getValue(options)) { 91 appendPhase(new NodeCounterPhase(NodeCounterPhase.Stage.EARLY)); 92 } 93 94 if (OptConvertDeoptsToGuards.getValue(options)) { 95 appendPhase(new IncrementalCanonicalizerPhase<>(canonicalizer, new ConvertDeoptimizeToGuardPhase())); 96 } 97 98 if (ConditionalElimination.getValue(options)) { 99 appendPhase(new IterativeConditionalEliminationPhase(canonicalizer, false)); 100 } 101 102 LoopPolicies loopPolicies = createLoopPolicies(); 103 if (FullUnroll.getValue(options)) { 104 appendPhase(new LoopFullUnrollPhase(canonicalizer, loopPolicies)); 105 } 106 107 if (OptLoopTransform.getValue(options)) { 108 if (LoopPeeling.getValue(options)) { 109 appendPhase(new LoopPeelingPhase(loopPolicies)); 110 } 111 if (LoopUnswitch.getValue(options)) { 112 appendPhase(new LoopUnswitchingPhase(loopPolicies)); 113 } 114 } 115 116 appendPhase(canonicalizer); 117 118 if (PartialEscapeAnalysis.getValue(options)) { 119 appendPhase(new PartialEscapePhase(true, canonicalizer, options)); 120 } 121 122 if (OptReadElimination.getValue(options)) { 123 appendPhase(new EarlyReadEliminationPhase(canonicalizer)); 124 } 125 126 appendPhase(new RemoveValueProxyPhase()); 127 128 if (NodeCounterPhase.Options.NodeCounters.getValue(options)) { 129 appendPhase(new NodeCounterPhase(NodeCounterPhase.Stage.LATE)); 130 } 131 132 appendPhase(new LoweringPhase(canonicalizer, LoweringTool.StandardLoweringStage.HIGH_TIER)); 133 } 134 135 public LoopPolicies createLoopPolicies() { 136 return new DefaultLoopPolicies(); 137 } 138 }