Line data Source code
1 : // Copyright 2014 the V8 project authors. All rights reserved.
2 : // Use of this source code is governed by a BSD-style license that can be
3 : // found in the LICENSE file.
4 :
5 : #ifndef V8_CCTEST_COMPILER_VALUE_HELPER_H_
6 : #define V8_CCTEST_COMPILER_VALUE_HELPER_H_
7 :
8 : #include <stdint.h>
9 :
10 : #include "src/base/template-utils.h"
11 : #include "src/compiler/common-operator.h"
12 : #include "src/compiler/node-matchers.h"
13 : #include "src/compiler/node.h"
14 : #include "src/isolate.h"
15 : #include "src/objects.h"
16 : #include "test/cctest/cctest.h"
17 :
18 : namespace v8 {
19 : namespace internal {
20 : namespace compiler {
21 :
22 : // A collection of utilities related to numerical and heap values, including
23 : // example input values of various types, including int32_t, uint32_t, double,
24 : // etc.
25 : class ValueHelper {
26 : public:
27 : Isolate* isolate_;
28 :
29 : ValueHelper() : isolate_(CcTest::InitIsolateOnce()) {}
30 :
31 : void CheckFloat64Constant(double expected, Node* node) {
32 : CHECK_EQ(IrOpcode::kFloat64Constant, node->opcode());
33 : CHECK_EQ(expected, OpParameter<double>(node->op()));
34 : }
35 :
36 : void CheckNumberConstant(double expected, Node* node) {
37 : CHECK_EQ(IrOpcode::kNumberConstant, node->opcode());
38 : CHECK_EQ(expected, OpParameter<double>(node->op()));
39 : }
40 :
41 : void CheckInt32Constant(int32_t expected, Node* node) {
42 : CHECK_EQ(IrOpcode::kInt32Constant, node->opcode());
43 : CHECK_EQ(expected, OpParameter<int32_t>(node->op()));
44 : }
45 :
46 : void CheckUint32Constant(int32_t expected, Node* node) {
47 : CHECK_EQ(IrOpcode::kInt32Constant, node->opcode());
48 : CHECK_EQ(expected, OpParameter<int32_t>(node->op()));
49 : }
50 :
51 : void CheckHeapConstant(HeapObject expected, Node* node) {
52 : CHECK_EQ(IrOpcode::kHeapConstant, node->opcode());
53 : CHECK_EQ(expected, *HeapConstantOf(node->op()));
54 : }
55 :
56 : static constexpr float float32_array[] = {
57 : -std::numeric_limits<float>::infinity(),
58 : -2.70497e+38f,
59 : -1.4698e+37f,
60 : -1.22813e+35f,
61 : -1.20555e+35f,
62 : -1.34584e+34f,
63 : -1.0079e+32f,
64 : -6.49364e+26f,
65 : -3.06077e+25f,
66 : -1.46821e+25f,
67 : -1.17658e+23f,
68 : -1.9617e+22f,
69 : -2.7357e+20f,
70 : -9223372036854775808.0f, // INT64_MIN
71 : -1.48708e+13f,
72 : -1.89633e+12f,
73 : -4.66622e+11f,
74 : -2.22581e+11f,
75 : -1.45381e+10f,
76 : -2147483904.0f, // First float32 after INT32_MIN
77 : -2147483648.0f, // INT32_MIN
78 : -2147483520.0f, // Last float32 before INT32_MIN
79 : -1.3956e+09f,
80 : -1.32951e+09f,
81 : -1.30721e+09f,
82 : -1.19756e+09f,
83 : -9.26822e+08f,
84 : -6.35647e+08f,
85 : -4.00037e+08f,
86 : -1.81227e+08f,
87 : -5.09256e+07f,
88 : -964300.0f,
89 : -192446.0f,
90 : -28455.0f,
91 : -27194.0f,
92 : -26401.0f,
93 : -20575.0f,
94 : -17069.0f,
95 : -9167.0f,
96 : -960.178f,
97 : -113.0f,
98 : -62.0f,
99 : -15.0f,
100 : -7.0f,
101 : -1.0f,
102 : -0.0256635f,
103 : -4.60374e-07f,
104 : -3.63759e-10f,
105 : -4.30175e-14f,
106 : -5.27385e-15f,
107 : -1.5707963267948966f,
108 : -1.48084e-15f,
109 : -2.220446049250313e-16f,
110 : -1.05755e-19f,
111 : -3.2995e-21f,
112 : -1.67354e-23f,
113 : -1.11885e-23f,
114 : -1.78506e-30f,
115 : -5.07594e-31f,
116 : -3.65799e-31f,
117 : -1.43718e-34f,
118 : -1.27126e-38f,
119 : -0.0f,
120 : 0.0f,
121 : 1.17549e-38f,
122 : 1.56657e-37f,
123 : 4.08512e-29f,
124 : 3.31357e-28f,
125 : 6.25073e-22f,
126 : 4.1723e-13f,
127 : 1.44343e-09f,
128 : 1.5707963267948966f,
129 : 5.27004e-08f,
130 : 9.48298e-08f,
131 : 5.57888e-07f,
132 : 4.89988e-05f,
133 : 0.244326f,
134 : 1.0f,
135 : 12.4895f,
136 : 19.0f,
137 : 47.0f,
138 : 106.0f,
139 : 538.324f,
140 : 564.536f,
141 : 819.124f,
142 : 7048.0f,
143 : 12611.0f,
144 : 19878.0f,
145 : 20309.0f,
146 : 797056.0f,
147 : 1.77219e+09f,
148 : 2147483648.0f, // INT32_MAX + 1
149 : 4294967296.0f, // UINT32_MAX + 1
150 : 1.51116e+11f,
151 : 4.18193e+13f,
152 : 3.59167e+16f,
153 : 9223372036854775808.0f, // INT64_MAX + 1
154 : 18446744073709551616.0f, // UINT64_MAX + 1
155 : 3.38211e+19f,
156 : 2.67488e+20f,
157 : 1.78831e+21f,
158 : 9.20914e+21f,
159 : 8.35654e+23f,
160 : 1.4495e+24f,
161 : 5.94015e+25f,
162 : 4.43608e+30f,
163 : 2.44502e+33f,
164 : 2.61152e+33f,
165 : 1.38178e+37f,
166 : 1.71306e+37f,
167 : 3.31899e+38f,
168 : 3.40282e+38f,
169 : std::numeric_limits<float>::infinity(),
170 : std::numeric_limits<float>::quiet_NaN(),
171 : -std::numeric_limits<float>::quiet_NaN()};
172 :
173 : static constexpr Vector<const float> float32_vector() {
174 : return ArrayVector(float32_array);
175 : }
176 :
177 : static constexpr double float64_array[] = {
178 : -2e66,
179 : -2.220446049250313e-16,
180 : -9223373136366403584.0,
181 : -9223372036854775808.0, // INT64_MIN
182 : -2147483649.5,
183 : -2147483648.25,
184 : -2147483648.0,
185 : -2147483647.875,
186 : -2147483647.125,
187 : -2147483647.0,
188 : -999.75,
189 : -2e66,
190 : -1.75,
191 : -1.5707963267948966,
192 : -1.0,
193 : -0.5,
194 : -0.0,
195 : 0.0,
196 : 3e-88,
197 : 0.125,
198 : 0.25,
199 : 0.375,
200 : 0.5,
201 : 1.0,
202 : 1.17549e-38,
203 : 1.56657e-37,
204 : 1.0000001,
205 : 1.25,
206 : 1.5707963267948966,
207 : 2,
208 : 3.1e7,
209 : 5.125,
210 : 6.25,
211 : 888,
212 : 982983.25,
213 : 2147483647.0,
214 : 2147483647.375,
215 : 2147483647.75,
216 : 2147483648.0,
217 : 2147483648.25,
218 : 2147483649.25,
219 : 9223372036854775808.0, // INT64_MAX + 1
220 : 9223373136366403584.0,
221 : 18446744073709551616.0, // UINT64_MAX + 1
222 : 2e66,
223 : V8_INFINITY,
224 : -V8_INFINITY,
225 : std::numeric_limits<double>::quiet_NaN(),
226 : -std::numeric_limits<double>::quiet_NaN()};
227 :
228 : static constexpr Vector<const double> float64_vector() {
229 : return ArrayVector(float64_array);
230 : }
231 :
232 : static constexpr uint32_t uint32_array[] = {
233 : 0x00000000, 0x00000001, 0xFFFFFFFF, 0x1B09788B, 0x04C5FCE8, 0xCC0DE5BF,
234 : // This row is useful for testing lea optimizations on intel.
235 : 0x00000002, 0x00000003, 0x00000004, 0x00000005, 0x00000008, 0x00000009,
236 : 0x273A798E, 0x187937A3, 0xECE3AF83, 0x5495A16B, 0x0B668ECC, 0x11223344,
237 : 0x0000009E, 0x00000043, 0x0000AF73, 0x0000116B, 0x00658ECC, 0x002B3B4C,
238 : 0x88776655, 0x70000000, 0x07200000, 0x7FFFFFFF, 0x56123761, 0x7FFFFF00,
239 : 0x761C4761, 0x80000000, 0x88888888, 0xA0000000, 0xDDDDDDDD, 0xE0000000,
240 : 0xEEEEEEEE, 0xFFFFFFFD, 0xF0000000, 0x007FFFFF, 0x003FFFFF, 0x001FFFFF,
241 : 0x000FFFFF, 0x0007FFFF, 0x0003FFFF, 0x0001FFFF, 0x0000FFFF, 0x00007FFF,
242 : 0x00003FFF, 0x00001FFF, 0x00000FFF, 0x000007FF, 0x000003FF, 0x000001FF,
243 : // Bit pattern of a quiet NaN and signaling NaN, with or without
244 : // additional payload.
245 : 0x7FC00000, 0x7F800000, 0x7FFFFFFF, 0x7F876543};
246 :
247 : static constexpr Vector<const uint32_t> uint32_vector() {
248 : return ArrayVector(uint32_array);
249 : }
250 :
251 : static constexpr Vector<const int32_t> int32_vector() {
252 : return Vector<const int32_t>::cast(uint32_vector());
253 : }
254 :
255 : static constexpr uint64_t uint64_array[] = {
256 : 0x00000000, 0x00000001, 0xFFFFFFFF, 0x1B09788B, 0x04C5FCE8, 0xCC0DE5BF,
257 : 0x00000002, 0x00000003, 0x00000004, 0x00000005, 0x00000008, 0x00000009,
258 : 0xFFFFFFFFFFFFFFFF, 0xFFFFFFFFFFFFFFFE, 0xFFFFFFFFFFFFFFFD,
259 : 0x0000000000000000, 0x0000000100000000, 0xFFFFFFFF00000000,
260 : 0x1B09788B00000000, 0x04C5FCE800000000, 0xCC0DE5BF00000000,
261 : 0x0000000200000000, 0x0000000300000000, 0x0000000400000000,
262 : 0x0000000500000000, 0x0000000800000000, 0x0000000900000000,
263 : 0x273A798E187937A3, 0xECE3AF835495A16B, 0x0B668ECC11223344, 0x0000009E,
264 : 0x00000043, 0x0000AF73, 0x0000116B, 0x00658ECC, 0x002B3B4C, 0x88776655,
265 : 0x70000000, 0x07200000, 0x7FFFFFFF, 0x56123761, 0x7FFFFF00,
266 : 0x761C4761EEEEEEEE, 0x80000000EEEEEEEE, 0x88888888DDDDDDDD,
267 : 0xA0000000DDDDDDDD, 0xDDDDDDDDAAAAAAAA, 0xE0000000AAAAAAAA,
268 : 0xEEEEEEEEEEEEEEEE, 0xFFFFFFFDEEEEEEEE, 0xF0000000DDDDDDDD,
269 : 0x007FFFFFDDDDDDDD, 0x003FFFFFAAAAAAAA, 0x001FFFFFAAAAAAAA, 0x000FFFFF,
270 : 0x0007FFFF, 0x0003FFFF, 0x0001FFFF, 0x0000FFFF, 0x00007FFF, 0x00003FFF,
271 : 0x00001FFF, 0x00000FFF, 0x000007FF, 0x000003FF, 0x000001FF,
272 : 0x00003FFFFFFFFFFF, 0x00001FFFFFFFFFFF, 0x00000FFFFFFFFFFF,
273 : 0x000007FFFFFFFFFF, 0x000003FFFFFFFFFF, 0x000001FFFFFFFFFF,
274 : 0x8000008000000000, 0x8000008000000001, 0x8000000000000400,
275 : 0x8000000000000401, 0x0000000000000020,
276 : // Bit pattern of a quiet NaN and signaling NaN, with or without
277 : // additional payload.
278 : 0x7FF8000000000000, 0x7FF0000000000000, 0x7FF8123456789ABC,
279 : 0x7FF7654321FEDCBA};
280 :
281 : static constexpr Vector<const uint64_t> uint64_vector() {
282 : return ArrayVector(uint64_array);
283 : }
284 :
285 : static constexpr Vector<const int64_t> int64_vector() {
286 : return Vector<const int64_t>::cast(uint64_vector());
287 : }
288 :
289 : static constexpr int16_t int16_array[] = {
290 : 0, 1, 2, INT16_MAX - 1, INT16_MAX, INT16_MIN, INT16_MIN + 1, -2, -1};
291 :
292 : static constexpr Vector<const int16_t> int16_vector() {
293 : return ArrayVector(int16_array);
294 : }
295 :
296 : static constexpr Vector<const uint16_t> uint16_vector() {
297 : return Vector<const uint16_t>::cast(int16_vector());
298 : }
299 :
300 : static constexpr int8_t int8_array[] = {
301 : 0, 1, 2, INT8_MAX - 1, INT8_MAX, INT8_MIN, INT8_MIN + 1, -2, -1};
302 :
303 : static constexpr Vector<const int8_t> int8_vector() {
304 : return ArrayVector(int8_array);
305 : }
306 :
307 : static constexpr Vector<const uint8_t> uint8_vector() {
308 : return Vector<const uint8_t>::cast(ArrayVector(int8_array));
309 : }
310 :
311 : static constexpr uint32_t ror_array[31] = {
312 : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
313 : 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31};
314 :
315 : static constexpr Vector<const uint32_t> ror_vector() {
316 : return ArrayVector(ror_array);
317 : }
318 : };
319 :
320 : // Helper macros that can be used in FOR_INT32_INPUTS(i) { ... i ... }
321 : #define FOR_INPUTS(ctype, itype, var) \
322 : for (ctype var : ::v8::internal::compiler::ValueHelper::itype##_vector())
323 :
324 : #define FOR_INT32_INPUTS(var) FOR_INPUTS(int32_t, int32, var)
325 : #define FOR_UINT32_INPUTS(var) FOR_INPUTS(uint32_t, uint32, var)
326 : #define FOR_INT16_INPUTS(var) FOR_INPUTS(int16_t, int16, var)
327 : #define FOR_UINT16_INPUTS(var) FOR_INPUTS(uint16_t, uint16, var)
328 : #define FOR_INT8_INPUTS(var) FOR_INPUTS(int8_t, int8, var)
329 : #define FOR_UINT8_INPUTS(var) FOR_INPUTS(uint8_t, uint8, var)
330 : #define FOR_INT64_INPUTS(var) FOR_INPUTS(int64_t, int64, var)
331 : #define FOR_UINT64_INPUTS(var) FOR_INPUTS(uint64_t, uint64, var)
332 : #define FOR_FLOAT32_INPUTS(var) FOR_INPUTS(float, float32, var)
333 : #define FOR_FLOAT64_INPUTS(var) FOR_INPUTS(double, float64, var)
334 :
335 : #define FOR_INT32_SHIFTS(var) for (int32_t var = 0; var < 32; var++)
336 :
337 : #define FOR_UINT32_SHIFTS(var) for (uint32_t var = 0; var < 32; var++)
338 :
339 : template <typename type>
340 : struct FloatCompareWrapper {
341 : type value;
342 7081518 : explicit FloatCompareWrapper(type x) : value(x) {}
343 3584866 : bool operator==(FloatCompareWrapper<type> const& other) const {
344 3584866 : return std::isnan(value)
345 300446 : ? std::isnan(other.value)
346 3284420 : : value == other.value &&
347 10153706 : std::signbit(value) == std::signbit(other.value);
348 : }
349 : };
350 :
351 : template <typename type>
352 : std::ostream& operator<<(std::ostream& out, FloatCompareWrapper<type> wrapper) {
353 : uint8_t bytes[sizeof(type)];
354 : memcpy(bytes, &wrapper.value, sizeof(type));
355 : out << wrapper.value << " (0x";
356 : const char* kHexDigits = "0123456789ABCDEF";
357 : for (unsigned i = 0; i < sizeof(type); ++i) {
358 : out << kHexDigits[bytes[i] >> 4] << kHexDigits[bytes[i] & 15];
359 : }
360 : return out << ")";
361 : }
362 :
363 : #define CHECK_FLOAT_EQ(lhs, rhs) \
364 : do { \
365 : using FloatWrapper = ::v8::internal::compiler::FloatCompareWrapper<float>; \
366 : CHECK_EQ(FloatWrapper(lhs), FloatWrapper(rhs)); \
367 : } while (false)
368 :
369 : #define CHECK_DOUBLE_EQ(lhs, rhs) \
370 : do { \
371 : using DoubleWrapper = \
372 : ::v8::internal::compiler::FloatCompareWrapper<double>; \
373 : CHECK_EQ(DoubleWrapper(lhs), DoubleWrapper(rhs)); \
374 : } while (false)
375 :
376 : } // namespace compiler
377 : } // namespace internal
378 : } // namespace v8
379 :
380 : #endif // V8_CCTEST_COMPILER_VALUE_HELPER_H_
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