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 */
38
39 import org.graalvm.compiler.loop.DefaultLoopPolicies;
40 import org.graalvm.compiler.loop.LoopPolicies;
41 import org.graalvm.compiler.loop.phases.LoopPartialUnrollPhase;
42 import org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase;
43 import org.graalvm.compiler.loop.phases.ReassociateInvariantPhase;
44 import org.graalvm.compiler.nodes.spi.LoweringTool;
45 import org.graalvm.compiler.options.OptionValues;
46 import org.graalvm.compiler.phases.PhaseSuite;
47 import org.graalvm.compiler.phases.common.CanonicalizerPhase;
48 import org.graalvm.compiler.phases.common.DeoptimizationGroupingPhase;
49 import org.graalvm.compiler.phases.common.FloatingReadPhase;
50 import org.graalvm.compiler.phases.common.FrameStateAssignmentPhase;
51 import org.graalvm.compiler.phases.common.GuardLoweringPhase;
52 import org.graalvm.compiler.phases.common.IncrementalCanonicalizerPhase;
53 import org.graalvm.compiler.phases.common.InsertGuardFencesPhase;
54 import org.graalvm.compiler.phases.common.IterativeConditionalEliminationPhase;
55 import org.graalvm.compiler.phases.common.LockEliminationPhase;
56 import org.graalvm.compiler.phases.common.LoopSafepointInsertionPhase;
57 import org.graalvm.compiler.phases.common.LoweringPhase;
58 import org.graalvm.compiler.phases.common.VerifyHeapAtReturnPhase;
59 import org.graalvm.compiler.phases.common.WriteBarrierAdditionPhase;
60 import org.graalvm.compiler.phases.tiers.MidTierContext;
61
62 public class MidTier extends PhaseSuite<MidTierContext> {
63
64 public MidTier(OptionValues options) {
65 CanonicalizerPhase canonicalizer = new CanonicalizerPhase();
66 if (ImmutableCode.getValue(options)) {
67 canonicalizer.disableReadCanonicalization();
68 }
69
70 appendPhase(new LockEliminationPhase());
71
72 if (OptFloatingReads.getValue(options)) {
73 appendPhase(new IncrementalCanonicalizerPhase<>(canonicalizer, new FloatingReadPhase()));
74 }
75
76 if (ConditionalElimination.getValue(options)) {
77 appendPhase(new IterativeConditionalEliminationPhase(canonicalizer, true));
78 }
79
80 appendPhase(new LoopSafepointEliminationPhase());
81
82 appendPhase(new LoopSafepointInsertionPhase());
83
84 appendPhase(new GuardLoweringPhase());
85
86 if (MitigateSpeculativeExecutionAttacks.getValue(options) == GuardTargets || MitigateSpeculativeExecutionAttacks.getValue(options) == NonDeoptGuardTargets) {
87 appendPhase(new InsertGuardFencesPhase());
88 }
89
90 if (VerifyHeapAtReturn.getValue(options)) {
91 appendPhase(new VerifyHeapAtReturnPhase());
92 }
93
94 appendPhase(new LoweringPhase(canonicalizer, LoweringTool.StandardLoweringStage.MID_TIER));
95
96 appendPhase(new FrameStateAssignmentPhase());
97
98 LoopPolicies loopPolicies = createLoopPolicies();
99 if (OptLoopTransform.getValue(options)) {
100 if (PartialUnroll.getValue(options)) {
101 appendPhase(new LoopPartialUnrollPhase(loopPolicies, canonicalizer));
102 }
103 }
104 if (ReassociateInvariants.getValue(options)) {
105 appendPhase(new ReassociateInvariantPhase());
106 }
107
108 if (OptDeoptimizationGrouping.getValue(options)) {
109 appendPhase(new DeoptimizationGroupingPhase());
110 }
111
112 appendPhase(canonicalizer);
113
114 appendPhase(new WriteBarrierAdditionPhase());
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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 */
38
39 import org.graalvm.compiler.loop.DefaultLoopPolicies;
40 import org.graalvm.compiler.loop.LoopPolicies;
41 import org.graalvm.compiler.loop.phases.LoopPartialUnrollPhase;
42 import org.graalvm.compiler.loop.phases.LoopSafepointEliminationPhase;
43 import org.graalvm.compiler.loop.phases.ReassociateInvariantPhase;
44 import org.graalvm.compiler.nodes.spi.LoweringTool;
45 import org.graalvm.compiler.options.OptionValues;
46 import org.graalvm.compiler.phases.PhaseSuite;
47 import org.graalvm.compiler.phases.common.CanonicalizerPhase;
48 import org.graalvm.compiler.phases.common.DeoptimizationGroupingPhase;
49 import org.graalvm.compiler.phases.common.FloatingReadPhase;
50 import org.graalvm.compiler.phases.common.FrameStateAssignmentPhase;
51 import org.graalvm.compiler.phases.common.GuardLoweringPhase;
52 import org.graalvm.compiler.phases.common.IncrementalCanonicalizerPhase;
53 import org.graalvm.compiler.phases.common.InsertGuardFencesPhase;
54 import org.graalvm.compiler.phases.common.IterativeConditionalEliminationPhase;
55 import org.graalvm.compiler.phases.common.LockEliminationPhase;
56 import org.graalvm.compiler.phases.common.LoopSafepointInsertionPhase;
57 import org.graalvm.compiler.phases.common.LoweringPhase;
58 import org.graalvm.compiler.phases.common.OptimizeDivPhase;
59 import org.graalvm.compiler.phases.common.VerifyHeapAtReturnPhase;
60 import org.graalvm.compiler.phases.common.WriteBarrierAdditionPhase;
61 import org.graalvm.compiler.phases.tiers.MidTierContext;
62
63 public class MidTier extends PhaseSuite<MidTierContext> {
64
65 public MidTier(OptionValues options) {
66 CanonicalizerPhase canonicalizer = new CanonicalizerPhase();
67 if (ImmutableCode.getValue(options)) {
68 canonicalizer.disableReadCanonicalization();
69 }
70
71 appendPhase(new LockEliminationPhase());
72
73 if (OptFloatingReads.getValue(options)) {
74 appendPhase(new IncrementalCanonicalizerPhase<>(canonicalizer, new FloatingReadPhase()));
75 }
76
77 if (ConditionalElimination.getValue(options)) {
78 appendPhase(new IterativeConditionalEliminationPhase(canonicalizer, true));
79 }
80
81 appendPhase(new LoopSafepointEliminationPhase());
82
83 appendPhase(new LoopSafepointInsertionPhase());
84
85 appendPhase(new GuardLoweringPhase());
86
87 if (MitigateSpeculativeExecutionAttacks.getValue(options) == GuardTargets || MitigateSpeculativeExecutionAttacks.getValue(options) == NonDeoptGuardTargets) {
88 appendPhase(new InsertGuardFencesPhase());
89 }
90
91 if (VerifyHeapAtReturn.getValue(options)) {
92 appendPhase(new VerifyHeapAtReturnPhase());
93 }
94
95 appendPhase(new LoweringPhase(canonicalizer, LoweringTool.StandardLoweringStage.MID_TIER));
96
97 appendPhase(new OptimizeDivPhase());
98
99 appendPhase(new FrameStateAssignmentPhase());
100
101 LoopPolicies loopPolicies = createLoopPolicies();
102 if (OptLoopTransform.getValue(options)) {
103 if (PartialUnroll.getValue(options)) {
104 appendPhase(new LoopPartialUnrollPhase(loopPolicies, canonicalizer));
105 }
106 }
107 if (ReassociateInvariants.getValue(options)) {
108 appendPhase(new ReassociateInvariantPhase());
109 }
110
111 if (OptDeoptimizationGrouping.getValue(options)) {
112 appendPhase(new DeoptimizationGroupingPhase());
113 }
114
115 appendPhase(canonicalizer);
116
117 appendPhase(new WriteBarrierAdditionPhase());
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