1 /*
2 * Copyright (c) 2021, 2022, 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 package compiler.lib.ir_framework;
25
26 import compiler.lib.ir_framework.driver.irmatching.IRMatcher;
27 import compiler.lib.ir_framework.shared.*;
28 import jdk.test.lib.Platform;
29 import sun.hotspot.WhiteBox;
30
31 import java.util.ArrayList;
32 import java.util.List;
33
34 /**
35 * This class provides default regex strings that can be used in {@link IR @IR} annotations to specify IR constraints.
36 * <p>
37 * There are two types of default regexes:
38 * <ul>
39 * <li><p>Standalone regexes: Use them directly.</li>
40 * <li><p>Composite regexes: Their names contain "{@code _OF}" and expect another string in a list in
41 * {@link IR#failOn()} and {@link IR#counts()}. They cannot be use as standalone regex and will result in a
42 * {@link TestFormatException} when doing so.</li>
43 * </ul>
44 *
45 * @see IR
46 */
47 public class IRNode {
48 private static final String START = "(\\d+(\\s){2}(";
49 private static final String MID = ".*)+(\\s){2}===.*";
50 private static final String END = ")";
51 private static final String COMPOSITE_PREFIX = "#PRE#"; // Prefix for regexes that require an additional user-defined string.
52 private static final String IS_REPLACED = "#IS_REPLACED#"; // Is replaced by an additional user-defined string.
53 private static final String STORE_OF_CLASS_POSTFIX = "(:|\\+)\\S* \\*" + END;
54 private static final String LOAD_OF_CLASS_POSTFIX = "(:|\\+)\\S* \\*" + END;
55
56 public static final String ALLOC = "(.*precise .*\\R((.*(?i:mov|xorl|nop|spill).*|\\s*|.*LGHI.*)\\R)*.*(?i:call,static).*wrapper for: _new_instance_Java" + END;
57 public static final String ALLOC_OF = COMPOSITE_PREFIX + "(.*precise .*" + IS_REPLACED + ":.*\\R((.*(?i:mov|xorl|nop|spill).*|\\s*|.*LGHI.*)\\R)*.*(?i:call,static).*wrapper for: _new_instance_Java" + END;
58 public static final String ALLOC_ARRAY = "(.*precise \\[.*\\R((.*(?i:mov|xor|nop|spill).*|\\s*|.*LGHI.*)\\R)*.*(?i:call,static).*wrapper for: _new_array_Java" + END;
59 public static final String ALLOC_ARRAY_OF = COMPOSITE_PREFIX + "(.*precise \\[.*" + IS_REPLACED + ":.*\\R((.*(?i:mov|xorl|nop|spill).*|\\s*|.*LGHI.*)\\R)*.*(?i:call,static).*wrapper for: _new_array_Java" + END;
60
61 public static final String CHECKCAST_ARRAY = "(((?i:cmp|CLFI|CLR).*precise \\[.*:|.*(?i:mov|or).*precise \\[.*:.*\\R.*(cmp|CMP|CLR))" + END;
62 public static final String CHECKCAST_ARRAY_OF = COMPOSITE_PREFIX + "(((?i:cmp|CLFI|CLR).*precise \\[.*" + IS_REPLACED + ":|.*(?i:mov|or).*precise \\[.*" + IS_REPLACED + ":.*\\R.*(cmp|CMP|CLR))" + END;
63 // Does not work on s390 (a rule containing this regex will be skipped on s390).
64 public static final String CHECKCAST_ARRAYCOPY = "(.*((?i:call_leaf_nofp,runtime)|CALL,\\s?runtime leaf nofp|BCTRL.*.leaf call).*checkcast_arraycopy.*" + END;
65
66 public static final String FIELD_ACCESS = "(.*Field: *" + END;
67
68 public static final String STORE = START + "Store(B|C|S|I|L|F|D|P|N)" + MID + END;
69 public static final String STORE_B = START + "StoreB" + MID + END; // Store to boolean is also mapped to byte
70 public static final String STORE_C = START + "StoreC" + MID + END;
71 public static final String STORE_I = START + "StoreI" + MID + END; // Store to short is also mapped to int
72 public static final String STORE_L = START + "StoreL" + MID + END;
73 public static final String STORE_F = START + "StoreF" + MID + END;
74 public static final String STORE_D = START + "StoreD" + MID + END;
75 public static final String STORE_P = START + "StoreP" + MID + END;
76 public static final String STORE_N = START + "StoreN" + MID + END;
77 public static final String STORE_VECTOR = START + "StoreVector" + MID + END;
78 public static final String STORE_OF_CLASS = COMPOSITE_PREFIX + START + "Store(B|C|S|I|L|F|D|P|N)" + MID + "@\\S*" + IS_REPLACED + STORE_OF_CLASS_POSTFIX;
79 public static final String STORE_B_OF_CLASS = COMPOSITE_PREFIX + START + "StoreB" + MID + "@\\S*" + IS_REPLACED + STORE_OF_CLASS_POSTFIX;
80 public static final String STORE_C_OF_CLASS = COMPOSITE_PREFIX + START + "StoreC" + MID + "@\\S*" + IS_REPLACED + STORE_OF_CLASS_POSTFIX;
81 public static final String STORE_I_OF_CLASS = COMPOSITE_PREFIX + START + "StoreI" + MID + "@\\S*" + IS_REPLACED + STORE_OF_CLASS_POSTFIX;
82 public static final String STORE_L_OF_CLASS = COMPOSITE_PREFIX + START + "StoreL" + MID + "@\\S*" + IS_REPLACED + STORE_OF_CLASS_POSTFIX;
83 public static final String STORE_F_OF_CLASS = COMPOSITE_PREFIX + START + "StoreF" + MID + "@\\S*" + IS_REPLACED + STORE_OF_CLASS_POSTFIX;
84 public static final String STORE_D_OF_CLASS = COMPOSITE_PREFIX + START + "StoreD" + MID + "@\\S*" + IS_REPLACED + STORE_OF_CLASS_POSTFIX;
85 public static final String STORE_P_OF_CLASS = COMPOSITE_PREFIX + START + "StoreP" + MID + "@\\S*" + IS_REPLACED + STORE_OF_CLASS_POSTFIX;
86 public static final String STORE_N_OF_CLASS = COMPOSITE_PREFIX + START + "StoreN" + MID + "@\\S*" + IS_REPLACED + STORE_OF_CLASS_POSTFIX;
87 public static final String STORE_OF_FIELD = COMPOSITE_PREFIX + START + "Store(B|C|S|I|L|F|D|P|N)" + MID + "@.*name=" + IS_REPLACED + ",.*" + END;
88
89 public static final String LOAD = START + "Load(B|UB|S|US|I|L|F|D|P|N)" + MID + END;
90 public static final String LOAD_B = START + "LoadB" + MID + END;
91 public static final String LOAD_UB = START + "LoadUB" + MID + END; // Load from boolean
92 public static final String LOAD_S = START + "LoadS" + MID + END;
93 public static final String LOAD_US = START + "LoadUS" + MID + END; // Load from char
94 public static final String LOAD_I = START + "LoadI" + MID + END;
95 public static final String LOAD_L = START + "LoadL" + MID + END;
96 public static final String LOAD_F = START + "LoadF" + MID + END;
97 public static final String LOAD_D = START + "LoadD" + MID + END;
98 public static final String LOAD_P = START + "LoadP" + MID + END;
99 public static final String LOAD_N = START + "LoadN" + MID + END;
100 public static final String LOAD_VECTOR = START + "LoadVector" + MID + END;
101 public static final String LOAD_OF_CLASS = COMPOSITE_PREFIX + START + "Load(B|UB|S|US|I|L|F|D|P|N)" + MID + "@\\S*"+ IS_REPLACED + LOAD_OF_CLASS_POSTFIX;
102 public static final String LOAD_B_OF_CLASS = COMPOSITE_PREFIX + START + "LoadB" + MID + "@\\S*" + IS_REPLACED + LOAD_OF_CLASS_POSTFIX;
103 public static final String LOAD_UB_OF_CLASS = COMPOSITE_PREFIX + START + "LoadUB" + MID + "@\\S*" + IS_REPLACED + LOAD_OF_CLASS_POSTFIX;
104 public static final String LOAD_S_OF_CLASS = COMPOSITE_PREFIX + START + "LoadS" + MID + "@\\S*" + IS_REPLACED + LOAD_OF_CLASS_POSTFIX;
105 public static final String LOAD_US_OF_CLASS = COMPOSITE_PREFIX + START + "LoadUS" + MID + "@\\S*" + IS_REPLACED + LOAD_OF_CLASS_POSTFIX;
106 public static final String LOAD_I_OF_CLASS = COMPOSITE_PREFIX + START + "LoadI" + MID + "@\\S*" + IS_REPLACED + LOAD_OF_CLASS_POSTFIX;
107 public static final String LOAD_L_OF_CLASS = COMPOSITE_PREFIX + START + "LoadL" + MID + "@\\S*" + IS_REPLACED + LOAD_OF_CLASS_POSTFIX;
108 public static final String LOAD_F_OF_CLASS = COMPOSITE_PREFIX + START + "LoadF" + MID + "@\\S*" + IS_REPLACED + LOAD_OF_CLASS_POSTFIX;
109 public static final String LOAD_D_OF_CLASS = COMPOSITE_PREFIX + START + "LoadD" + MID + "@\\S*" + IS_REPLACED + LOAD_OF_CLASS_POSTFIX;
110 public static final String LOAD_P_OF_CLASS = COMPOSITE_PREFIX + START + "LoadP" + MID + "@\\S*" + IS_REPLACED + LOAD_OF_CLASS_POSTFIX;
111 public static final String LOAD_N_OF_CLASS = COMPOSITE_PREFIX + START + "LoadN" + MID + "@\\S*" + IS_REPLACED + LOAD_OF_CLASS_POSTFIX;
112 public static final String LOAD_OF_FIELD = COMPOSITE_PREFIX + START + "Load(B|C|S|I|L|F|D|P|N)" + MID + "@.*name=" + IS_REPLACED + ",.*" + END;
113 public static final String LOAD_KLASS = START + "LoadK" + MID + END;
114
115 public static final String LOOP = START + "Loop" + MID + END;
116 public static final String COUNTEDLOOP = START + "CountedLoop\\b" + MID + END;
117 public static final String COUNTEDLOOP_MAIN = START + "CountedLoop\\b" + MID + "main" + END;
118 public static final String OUTERSTRIPMINEDLOOP = START + "OuterStripMinedLoop\\b" + MID + END;
119 public static final String IF = START + "If\\b" + MID + END;
120
121 public static final String CALL = START + "Call.*Java" + MID + END;
122 public static final String CALL_OF_METHOD = COMPOSITE_PREFIX + START + "Call.*Java" + MID + IS_REPLACED + " " + END;
123 public static final String DYNAMIC_CALL_OF_METHOD = COMPOSITE_PREFIX + START + "CallDynamicJava" + MID + IS_REPLACED + " " + END;
124 public static final String STATIC_CALL_OF_METHOD = COMPOSITE_PREFIX + START + "CallStaticJava" + MID + IS_REPLACED + " " + END;
125 public static final String TRAP = START + "CallStaticJava" + MID + "uncommon_trap.*reason" + END;
126 public static final String PREDICATE_TRAP = START + "CallStaticJava" + MID + "uncommon_trap.*predicate" + END;
127 public static final String UNSTABLE_IF_TRAP = START + "CallStaticJava" + MID + "uncommon_trap.*unstable_if" + END;
128 public static final String CLASS_CHECK_TRAP = START + "CallStaticJava" + MID + "uncommon_trap.*class_check" + END;
129 public static final String NULL_CHECK_TRAP = START + "CallStaticJava" + MID + "uncommon_trap.*null_check" + END;
130 public static final String NULL_ASSERT_TRAP = START + "CallStaticJava" + MID + "uncommon_trap.*null_assert" + END;
131 public static final String RANGE_CHECK_TRAP = START + "CallStaticJava" + MID + "uncommon_trap.*range_check" + END;
132 public static final String UNHANDLED_TRAP = START + "CallStaticJava" + MID + "uncommon_trap.*unhandled" + END;
133 public static final String INTRINSIC_TRAP = START + "CallStaticJava" + MID + "uncommon_trap.*intrinsic" + END;
134 public static final String DIV_BY_ZERO_TRAP = START + "CallStaticJava" + MID + "uncommon_trap.*div0_check" + END;
135 // Does not work for VM builds without JVMCI like x86_32 (a rule containing this regex will be skipped without having JVMCI built).
136 public static final String INTRINSIC_OR_TYPE_CHECKED_INLINING_TRAP = START + "CallStaticJava" + MID + "uncommon_trap.*intrinsic_or_type_checked_inlining" + END;
137
138 public static final String SCOPE_OBJECT = "(.*# ScObj.*" + END;
139 public static final String MEMBAR = START + "MemBar" + MID + END;
140 public static final String SAFEPOINT = START + "SafePoint" + MID + END;
141
142 public static final String ABS_I = START + "AbsI" + MID + END;
143 public static final String ABS_L = START + "AbsL" + MID + END;
144 public static final String ABS_F = START + "AbsF" + MID + END;
145 public static final String ABS_D = START + "AbsD" + MID + END;
146 public static final String AND = START + "And(I|L)" + MID + END;
147 public static final String AND_I = START + "AndI" + MID + END;
148 public static final String AND_L = START + "AndL" + MID + END;
149 public static final String XOR_I = START + "XorI" + MID + END;
150 public static final String XOR_L = START + "XorL" + MID + END;
151 public static final String LSHIFT = START + "LShift(I|L)" + MID + END;
152 public static final String LSHIFT_I = START + "LShiftI" + MID + END;
153 public static final String LSHIFT_L = START + "LShiftL" + MID + END;
154 public static final String RSHIFT = START + "RShift(I|L)" + MID + END;
155 public static final String RSHIFT_I = START + "RShiftI" + MID + END;
156 public static final String RSHIFT_L = START + "RShiftL" + MID + END;
157 public static final String URSHIFT = START + "URShift(B|S|I|L)" + MID + END;
158 public static final String URSHIFT_I = START + "URShiftI" + MID + END;
159 public static final String URSHIFT_L = START + "URShiftL" + MID + END;
160 public static final String ADD = START + "Add(I|L|F|D|P)" + MID + END;
161 public static final String ADD_I = START + "AddI" + MID + END;
162 public static final String ADD_L = START + "AddL" + MID + END;
163 public static final String ADD_VD = START + "AddVD" + MID + END;
164 public static final String SUB = START + "Sub(I|L|F|D)" + MID + END;
165 public static final String SUB_I = START + "SubI" + MID + END;
166 public static final String SUB_L = START + "SubL" + MID + END;
167 public static final String SUB_F = START + "SubF" + MID + END;
168 public static final String SUB_D = START + "SubD" + MID + END;
169 public static final String MUL = START + "Mul(I|L|F|D)" + MID + END;
170 public static final String MUL_I = START + "MulI" + MID + END;
171 public static final String MUL_L = START + "MulL" + MID + END;
172 public static final String DIV = START + "(NoOvf)?Div(I|L|F|D)" + MID + END;
173 public static final String DIV_L = START + "(NoOvf)?DivL" + MID + END;
174 public static final String CON_I = START + "ConI" + MID + END;
175 public static final String CON_L = START + "ConL" + MID + END;
176 public static final String CONV_I2L = START + "ConvI2L" + MID + END;
177 public static final String CONV_L2I = START + "ConvL2I" + MID + END;
178 public static final String POPCOUNT_L = START + "PopCountL" + MID + END;
179
180 public static final String VECTOR_CAST_B2X = START + "VectorCastB2X" + MID + END;
181 public static final String VECTOR_CAST_S2X = START + "VectorCastS2X" + MID + END;
182 public static final String VECTOR_CAST_I2X = START + "VectorCastI2X" + MID + END;
183 public static final String VECTOR_CAST_L2X = START + "VectorCastL2X" + MID + END;
184 public static final String VECTOR_CAST_F2X = START + "VectorCastF2X" + MID + END;
185 public static final String VECTOR_CAST_D2X = START + "VectorCastD2X" + MID + END;
186 public static final String VECTOR_UCAST_B2X = START + "VectorUCastB2X" + MID + END;
187 public static final String VECTOR_UCAST_S2X = START + "VectorUCastS2X" + MID + END;
188 public static final String VECTOR_UCAST_I2X = START + "VectorUCastI2X" + MID + END;
189 public static final String VECTOR_REINTERPRET = START + "VectorReinterpret" + MID + END;
190
191 /**
192 * Called by {@link IRMatcher} to merge special composite nodes together with additional user-defined input.
193 */
194 public static List<String> mergeNodes(String[] nodes) {
195 List<String> mergedNodes = new ArrayList<>();
196 for (int i = 0; i < nodes.length; i += 2) {
197 String node = nodes[i];
198 if (node.startsWith(COMPOSITE_PREFIX)) {
199 if (i + 1 == nodes.length) {
200 reportMissingCompositeValue(node, i);
201 }
202 // Replace placeholder with user defined string.
203 node = node.substring(COMPOSITE_PREFIX.length()).replaceAll(IS_REPLACED, nodes[i + 1]);
204 } else {
205 i--; // No composite node, do not increment by 2.
206 }
207 mergedNodes.add(node);
208 }
209 return mergedNodes;
210 }
211
212 /**
213 * Is default regex supported on current platform, used VM build, etc.?
214 * Throws a {@link CheckedTestFrameworkException} if the default regex is unsupported.
215 */
216 public static void checkDefaultRegexSupported(String node) throws CheckedTestFrameworkException {
217 switch (node) {
218 case INTRINSIC_OR_TYPE_CHECKED_INLINING_TRAP -> {
219 if (!WhiteBox.getWhiteBox().isJVMCISupportedByGC()) {
220 throw new CheckedTestFrameworkException("INTRINSIC_OR_TYPE_CHECKED_INLINING_TRAP is unsupported in builds without JVMCI.");
221 }
222 }
223 case CHECKCAST_ARRAYCOPY -> {
224 if (Platform.isS390x()) {
225 throw new CheckedTestFrameworkException("CHECKCAST_ARRAYCOPY is unsupported on s390.");
226 }
227 }
228 // default: do nothing -> default regex is supported
229 }
230 }
231
232 /**
233 * Mapping from string variable value to string variable name for better error reporting.
234 */
235 private static void reportMissingCompositeValue(String node, int i) {
236 String varName = switch (node) {
237 case ALLOC_OF -> "ALLOC_OF";
238 case ALLOC_ARRAY_OF -> "ALLOC_ARRAY_OF";
239 case CHECKCAST_ARRAY_OF -> "CHECKCAST_ARRAY_OF";
240 case STORE_OF_CLASS -> "STORE_OF_CLASS";
241 case STORE_B_OF_CLASS -> "STORE_B_OF_CLASS";
242 case STORE_C_OF_CLASS -> "STORE_C_OF_CLASS";
243 case STORE_D_OF_CLASS -> "STORE_D_OF_CLASS";
244 case STORE_F_OF_CLASS -> "STORE_F_OF_CLASS";
245 case STORE_I_OF_CLASS -> "STORE_I_OF_CLASS";
246 case STORE_L_OF_CLASS -> "STORE_L_OF_CLASS";
247 case STORE_N_OF_CLASS -> "STORE_N_OF_CLASS";
248 case STORE_P_OF_CLASS -> "STORE_P_OF_CLASS";
249 case STORE_OF_FIELD -> "STORE_OF_FIELD";
250 case LOAD_OF_CLASS -> "LOAD_OF_CLASS";
251 case LOAD_B_OF_CLASS -> "LOAD_B_OF_CLASS";
252 case LOAD_UB_OF_CLASS -> "LOAD_UB_OF_CLASS";
253 case LOAD_D_OF_CLASS -> "LOAD_D_OF_CLASS";
254 case LOAD_F_OF_CLASS -> "LOAD_F_OF_CLASS";
255 case LOAD_I_OF_CLASS -> "LOAD_I_OF_CLASS";
256 case LOAD_L_OF_CLASS -> "LOAD_L_OF_CLASS";
257 case LOAD_N_OF_CLASS -> "LOAD_N_OF_CLASS";
258 case LOAD_P_OF_CLASS -> "LOAD_P_OF_CLASS";
259 case LOAD_S_OF_CLASS -> "LOAD_S_OF_CLASS";
260 case LOAD_US_OF_CLASS -> "LOAD_US_OF_CLASS";
261 case LOAD_OF_FIELD -> "LOAD_OF_FIELD";
262 default -> throw new TestFrameworkException("Missing variable mapping for " + node);
263 };
264 TestFormat.fail("Must provide additional value at index " + (i + 1) + " right after " + varName);
265 }
266 }