1 /*
2 * Copyright (c) 2012, 2024, 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 #ifndef SHARE_OPTO_PHASETYPE_HPP
26 #define SHARE_OPTO_PHASETYPE_HPP
27
28 #include "utilities/bitMap.inline.hpp"
29 #include "utilities/stringUtils.hpp"
30
31 #define COMPILER_PHASES(flags) \
32 flags(BEFORE_STRINGOPTS, "Before StringOpts") \
33 flags(AFTER_STRINGOPTS, "After StringOpts") \
34 flags(BEFORE_REMOVEUSELESS, "Before RemoveUseless") \
35 flags(AFTER_PARSING, "After Parsing") \
36 flags(BEFORE_ITER_GVN, "Before Iter GVN") \
37 flags(ITER_GVN1, "Iter GVN 1") \
38 flags(AFTER_ITER_GVN_STEP, "After Iter GVN Step") \
39 flags(AFTER_ITER_GVN, "After Iter GVN") \
40 flags(INCREMENTAL_INLINE_STEP, "Incremental Inline Step") \
41 flags(INCREMENTAL_INLINE_CLEANUP, "Incremental Inline Cleanup") \
42 flags(INCREMENTAL_INLINE, "Incremental Inline") \
43 flags(INCREMENTAL_BOXING_INLINE, "Incremental Boxing Inline") \
44 flags(EXPAND_VUNBOX, "Expand VectorUnbox") \
45 flags(SCALARIZE_VBOX, "Scalarize VectorBox") \
46 flags(INLINE_VECTOR_REBOX, "Inline Vector Rebox Calls") \
47 flags(EXPAND_VBOX, "Expand VectorBox") \
48 flags(ELIMINATE_VBOX_ALLOC, "Eliminate VectorBoxAllocate") \
49 flags(ITER_GVN_BEFORE_EA, "Iter GVN before EA") \
50 flags(ITER_GVN_AFTER_VECTOR, "Iter GVN after vector box elimination") \
51 flags(BEFORE_BEAUTIFY_LOOPS, "Before beautify loops") \
52 flags(AFTER_BEAUTIFY_LOOPS, "After beautify loops") \
53 flags(BEFORE_LOOP_UNROLLING, "Before Loop Unrolling") \
54 flags(AFTER_LOOP_UNROLLING, "After Loop Unrolling") \
55 flags(BEFORE_SPLIT_IF, "Before Split-If") \
56 flags(AFTER_SPLIT_IF, "After Split-If") \
57 flags(BEFORE_LOOP_PREDICATION_IC, "Before Loop Predication IC") \
58 flags(AFTER_LOOP_PREDICATION_IC, "After Loop Predication IC") \
59 flags(BEFORE_LOOP_PREDICATION_RC, "Before Loop Predication RC") \
60 flags(AFTER_LOOP_PREDICATION_RC, "After Loop Predication RC") \
61 flags(BEFORE_PARTIAL_PEELING, "Before Partial Peeling") \
62 flags(AFTER_PARTIAL_PEELING, "After Partial Peeling") \
63 flags(BEFORE_LOOP_PEELING, "Before Loop Peeling") \
64 flags(AFTER_LOOP_PEELING, "After Loop Peeling") \
65 flags(BEFORE_LOOP_UNSWITCHING, "Before Loop Unswitching") \
66 flags(AFTER_LOOP_UNSWITCHING, "After Loop Unswitching") \
67 flags(BEFORE_RANGE_CHECK_ELIMINATION, "Before Range Check Elimination") \
68 flags(AFTER_RANGE_CHECK_ELIMINATION, "After Range Check Elimination") \
69 flags(BEFORE_PRE_MAIN_POST, "Before Pre/Main/Post Loops") \
70 flags(AFTER_PRE_MAIN_POST, "After Pre/Main/Post Loops") \
71 flags(AUTO_VECTORIZATION1_BEFORE_APPLY, "AutoVectorization 1, Before Apply") \
72 flags(AUTO_VECTORIZATION2_AFTER_REORDER, "AutoVectorization 2, After Apply Memop Reordering") \
73 flags(AUTO_VECTORIZATION3_AFTER_ADJUST_LIMIT, "AutoVectorization 3, After Adjusting Pre-Loop Limit") \
74 flags(AUTO_VECTORIZATION4_AFTER_APPLY, "AutoVectorization 4, After Apply") \
75 flags(BEFORE_CLOOPS, "Before CountedLoop") \
76 flags(AFTER_CLOOPS, "After CountedLoop") \
77 flags(PHASEIDEAL_BEFORE_EA, "PhaseIdealLoop before EA") \
78 flags(AFTER_EA, "After Escape Analysis") \
79 flags(ITER_GVN_AFTER_EA, "Iter GVN after EA") \
80 flags(ITER_GVN_AFTER_ELIMINATION, "Iter GVN after eliminating allocations and locks") \
81 flags(PHASEIDEALLOOP1, "PhaseIdealLoop 1") \
82 flags(PHASEIDEALLOOP2, "PhaseIdealLoop 2") \
83 flags(PHASEIDEALLOOP3, "PhaseIdealLoop 3") \
84 flags(BEFORE_CCP1, "Before PhaseCCP 1") \
85 flags(CCP1, "PhaseCCP 1") \
86 flags(ITER_GVN2, "Iter GVN 2") \
87 flags(PHASEIDEALLOOP_ITERATIONS, "PhaseIdealLoop iterations") \
88 flags(BEFORE_MACRO_EXPANSION , "Before Macro Expansion") \
89 flags(AFTER_MACRO_EXPANSION_STEP, "After Macro Expansion Step") \
90 flags(AFTER_MACRO_EXPANSION, "After Macro Expansion") \
91 flags(BARRIER_EXPANSION, "Barrier expand") \
92 flags(OPTIMIZE_FINISHED, "Optimize finished") \
93 flags(BEFORE_MATCHING, "Before matching") \
94 flags(MATCHING, "After matching") \
95 flags(GLOBAL_CODE_MOTION, "Global code motion") \
96 flags(REGISTER_ALLOCATION, "Register Allocation") \
97 flags(BLOCK_ORDERING, "Block Ordering") \
98 flags(PEEPHOLE, "Peephole") \
99 flags(POSTALLOC_EXPAND, "Post-Allocation Expand") \
100 flags(MACH_ANALYSIS, "After mach analysis") \
101 flags(FINAL_CODE, "Final Code") \
102 flags(END, "End") \
103 flags(FAILURE, "Failure") \
104 flags(ALL, "All") \
105 flags(DEBUG, "Debug")
106
107 #define table_entry(name, description) PHASE_##name,
108 enum CompilerPhaseType {
109 COMPILER_PHASES(table_entry)
110 PHASE_NUM_TYPES,
111 PHASE_NONE
112 };
113 #undef table_entry
114
115 static const char* phase_descriptions[] = {
116 #define array_of_labels(name, description) description,
117 COMPILER_PHASES(array_of_labels)
118 #undef array_of_labels
119 };
120
121 static const char* phase_names[] = {
122 #define array_of_labels(name, description) #name,
123 COMPILER_PHASES(array_of_labels)
124 #undef array_of_labels
125 };
126
127 class CompilerPhaseTypeHelper {
128 public:
129 static const char* to_name(CompilerPhaseType cpt) {
130 return phase_names[cpt];
131 }
132 static const char* to_description(CompilerPhaseType cpt) {
133 return phase_descriptions[cpt];
134 }
135 };
136
137 static CompilerPhaseType find_phase(const char* str) {
138 for (int i = 0; i < PHASE_NUM_TYPES; i++) {
139 if (strcmp(phase_names[i], str) == 0) {
140 return (CompilerPhaseType)i;
141 }
142 }
143 return PHASE_NONE;
144 }
145
146 class PhaseNameValidator {
147 private:
148 CHeapBitMap _phase_name_set;
149 bool _valid;
150 char* _bad;
151
152 public:
153 PhaseNameValidator(ccstrlist option) :
154 _phase_name_set(PHASE_NUM_TYPES, mtCompiler),
155 _valid(true),
156 _bad(nullptr)
157 {
158 for (StringUtils::CommaSeparatedStringIterator iter(option); *iter != nullptr && _valid; ++iter) {
159
160 CompilerPhaseType cpt = find_phase(*iter);
161 if (PHASE_NONE == cpt) {
162 const size_t len = MIN2<size_t>(strlen(*iter), 63) + 1; // cap len to a value we know is enough for all phase descriptions
163 _bad = NEW_C_HEAP_ARRAY(char, len, mtCompiler);
164 // strncpy always writes len characters. If the source string is shorter, the function fills the remaining bytes with nulls.
165 strncpy(_bad, *iter, len);
166 _valid = false;
167 } else if (PHASE_ALL == cpt) {
168 _phase_name_set.set_range(0, PHASE_NUM_TYPES);
169 } else {
170 assert(cpt < PHASE_NUM_TYPES, "out of bounds");
171 _phase_name_set.set_bit(cpt);
172 }
173 }
174 }
175
176 ~PhaseNameValidator() {
177 if (_bad != nullptr) {
178 FREE_C_HEAP_ARRAY(char, _bad);
179 }
180 }
181
182 const BitMap& phase_name_set() const {
183 assert(is_valid(), "Use of invalid phase name set");
184 return _phase_name_set;
185 }
186
187 bool is_valid() const {
188 return _valid;
189 }
190
191 const char* what() const {
192 return _bad;
193 }
194 };
195
196 #endif // SHARE_OPTO_PHASETYPE_HPP