1 /*
2 * Copyright (c) 2013, 2019, 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.ImmutableCode;
29 import static org.graalvm.compiler.core.common.GraalOptions.LoopPeeling;
30 import static org.graalvm.compiler.core.common.GraalOptions.LoopUnswitch;
31 import static org.graalvm.compiler.core.common.GraalOptions.OptConvertDeoptsToGuards;
32 import static org.graalvm.compiler.core.common.GraalOptions.OptLoopTransform;
33 import static org.graalvm.compiler.core.common.GraalOptions.OptReadElimination;
34 import static org.graalvm.compiler.core.common.GraalOptions.PartialEscapeAnalysis;
35 import static org.graalvm.compiler.phases.common.DeadCodeEliminationPhase.Optionality.Optional;
36
37 import org.graalvm.compiler.loop.DefaultLoopPolicies;
38 import org.graalvm.compiler.loop.LoopPolicies;
39 import org.graalvm.compiler.loop.phases.LoopFullUnrollPhase;
40 import org.graalvm.compiler.loop.phases.LoopPeelingPhase;
41 import org.graalvm.compiler.loop.phases.LoopUnswitchingPhase;
42 import org.graalvm.compiler.nodes.spi.LoweringTool;
43 import org.graalvm.compiler.options.Option;
44 import org.graalvm.compiler.options.OptionKey;
45 import org.graalvm.compiler.options.OptionType;
46 import org.graalvm.compiler.options.OptionValues;
47 import org.graalvm.compiler.phases.PhaseSuite;
48 import org.graalvm.compiler.phases.common.CanonicalizerPhase;
49 import org.graalvm.compiler.loop.phases.ConvertDeoptimizeToGuardPhase;
50 import org.graalvm.compiler.phases.common.DeadCodeEliminationPhase;
51 import org.graalvm.compiler.phases.common.IncrementalCanonicalizerPhase;
52 import org.graalvm.compiler.phases.common.IterativeConditionalEliminationPhase;
53 import org.graalvm.compiler.phases.common.LoweringPhase;
54 import org.graalvm.compiler.phases.common.NodeCounterPhase;
55 import org.graalvm.compiler.phases.common.RemoveValueProxyPhase;
56 import org.graalvm.compiler.phases.common.inlining.InliningPhase;
57 import org.graalvm.compiler.phases.common.inlining.policy.GreedyInliningPolicy;
58 import org.graalvm.compiler.phases.tiers.HighTierContext;
59 import org.graalvm.compiler.virtual.phases.ea.EarlyReadEliminationPhase;
60 import org.graalvm.compiler.virtual.phases.ea.PartialEscapePhase;
61
62 public class HighTier extends PhaseSuite<HighTierContext> {
63
64 public static class Options {
65
66 // @formatter:off
67 @Option(help = "Enable inlining", type = OptionType.Expert)
68 public static final OptionKey<Boolean> Inline = new OptionKey<>(true);
69 // @formatter:on
70 }
71
72 public HighTier(OptionValues options) {
73 CanonicalizerPhase canonicalizer = new CanonicalizerPhase();
74 if (ImmutableCode.getValue(options)) {
75 canonicalizer.disableReadCanonicalization();
76 }
77
78 appendPhase(canonicalizer);
79
80 if (NodeCounterPhase.Options.NodeCounters.getValue(options)) {
81 appendPhase(new NodeCounterPhase(NodeCounterPhase.Stage.INIT));
82 }
83
84 if (Options.Inline.getValue(options)) {
85 appendPhase(new InliningPhase(new GreedyInliningPolicy(null), canonicalizer));
86 appendPhase(new DeadCodeEliminationPhase(Optional));
87 }
88
89 if (NodeCounterPhase.Options.NodeCounters.getValue(options)) {
90 appendPhase(new NodeCounterPhase(NodeCounterPhase.Stage.EARLY));
91 }
92
93 if (OptConvertDeoptsToGuards.getValue(options)) {
94 appendPhase(new IncrementalCanonicalizerPhase<>(canonicalizer, new ConvertDeoptimizeToGuardPhase()));
95 }
96
97 if (ConditionalElimination.getValue(options)) {
98 appendPhase(new IterativeConditionalEliminationPhase(canonicalizer, false));
99 }
100
101 LoopPolicies loopPolicies = createLoopPolicies();
102 appendPhase(new LoopFullUnrollPhase(canonicalizer, loopPolicies));
103
104 if (OptLoopTransform.getValue(options)) {
105 if (LoopPeeling.getValue(options)) {
106 appendPhase(new IncrementalCanonicalizerPhase<>(canonicalizer, new LoopPeelingPhase(loopPolicies)));
107 }
108 if (LoopUnswitch.getValue(options)) {
109 appendPhase(new IncrementalCanonicalizerPhase<>(canonicalizer, new LoopUnswitchingPhase(loopPolicies)));
110 }
111 }
112
113 if (PartialEscapeAnalysis.getValue(options)) {
114 appendPhase(new PartialEscapePhase(true, canonicalizer, options));
115 }
116
117 if (OptReadElimination.getValue(options)) {
118 appendPhase(new EarlyReadEliminationPhase(canonicalizer));
119 }
120
121 appendPhase(new RemoveValueProxyPhase());
122
123 if (NodeCounterPhase.Options.NodeCounters.getValue(options)) {
124 appendPhase(new NodeCounterPhase(NodeCounterPhase.Stage.LATE));
125 }
126
127 appendPhase(new LoweringPhase(canonicalizer, LoweringTool.StandardLoweringStage.HIGH_TIER));
128 }
129
130 public LoopPolicies createLoopPolicies() {
131 return new DefaultLoopPolicies();
132 }
133 }