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