Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 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 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 5 | #include "src/compiler/access-builder.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 6 | #include "src/compiler/js-graph.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 7 | #include "src/compiler/node-properties.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 8 | #include "src/compiler/simplified-operator.h" |
| 9 | #include "src/compiler/simplified-operator-reducer.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 10 | #include "src/conversions-inl.h" |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 11 | #include "src/types.h" |
| 12 | #include "test/unittests/compiler/graph-unittest.h" |
| 13 | #include "test/unittests/compiler/node-test-utils.h" |
| 14 | #include "testing/gmock-support.h" |
| 15 | |
| 16 | using testing::BitEq; |
| 17 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 18 | |
| 19 | namespace v8 { |
| 20 | namespace internal { |
| 21 | namespace compiler { |
| 22 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 23 | class SimplifiedOperatorReducerTest : public TypedGraphTest { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 24 | public: |
| 25 | explicit SimplifiedOperatorReducerTest(int num_parameters = 1) |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 26 | : TypedGraphTest(num_parameters), simplified_(zone()) {} |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 27 | ~SimplifiedOperatorReducerTest() override {} |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 28 | |
| 29 | protected: |
| 30 | Reduction Reduce(Node* node) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 31 | MachineOperatorBuilder machine(zone()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 32 | JSOperatorBuilder javascript(zone()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 33 | JSGraph jsgraph(isolate(), graph(), common(), &javascript, simplified(), |
| 34 | &machine); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 35 | SimplifiedOperatorReducer reducer(&jsgraph); |
| 36 | return reducer.Reduce(node); |
| 37 | } |
| 38 | |
| 39 | SimplifiedOperatorBuilder* simplified() { return &simplified_; } |
| 40 | |
| 41 | private: |
| 42 | SimplifiedOperatorBuilder simplified_; |
| 43 | }; |
| 44 | |
| 45 | |
| 46 | template <typename T> |
| 47 | class SimplifiedOperatorReducerTestWithParam |
| 48 | : public SimplifiedOperatorReducerTest, |
| 49 | public ::testing::WithParamInterface<T> { |
| 50 | public: |
| 51 | explicit SimplifiedOperatorReducerTestWithParam(int num_parameters = 1) |
| 52 | : SimplifiedOperatorReducerTest(num_parameters) {} |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 53 | ~SimplifiedOperatorReducerTestWithParam() override {} |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 54 | }; |
| 55 | |
| 56 | |
| 57 | namespace { |
| 58 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 59 | const double kFloat64Values[] = { |
| 60 | -V8_INFINITY, -6.52696e+290, -1.05768e+290, -5.34203e+268, -1.01997e+268, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 61 | -8.22758e+266, -1.58402e+261, -5.15246e+241, -5.92107e+226, -1.21477e+226, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 62 | -1.67913e+188, -1.6257e+184, -2.60043e+170, -2.52941e+168, -3.06033e+116, |
| 63 | -4.56201e+52, -3.56788e+50, -9.9066e+38, -3.07261e+31, -2.1271e+09, |
| 64 | -1.91489e+09, -1.73053e+09, -9.30675e+08, -26030, -20453, -15790, -11699, |
| 65 | -111, -97, -78, -63, -58, -1.53858e-06, -2.98914e-12, -1.14741e-39, |
| 66 | -8.20347e-57, -1.48932e-59, -3.17692e-66, -8.93103e-81, -3.91337e-83, |
| 67 | -6.0489e-92, -8.83291e-113, -4.28266e-117, -1.92058e-178, -2.0567e-192, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 68 | -1.68167e-194, -1.51841e-214, -3.98738e-234, -7.31851e-242, -2.21875e-253, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 69 | -1.11612e-293, -0.0, 0.0, 2.22507e-308, 1.06526e-307, 4.16643e-227, |
| 70 | 6.76624e-223, 2.0432e-197, 3.16254e-184, 1.37315e-173, 2.88603e-172, |
| 71 | 1.54155e-99, 4.42923e-81, 1.40539e-73, 5.4462e-73, 1.24064e-58, 3.11167e-58, |
| 72 | 2.75826e-39, 0.143815, 58, 67, 601, 7941, 11644, 13697, 25680, 29882, |
| 73 | 1.32165e+08, 1.62439e+08, 4.16837e+08, 9.59097e+08, 1.32491e+09, 1.8728e+09, |
| 74 | 1.0672e+17, 2.69606e+46, 1.98285e+79, 1.0098e+82, 7.93064e+88, 3.67444e+121, |
| 75 | 9.36506e+123, 7.27954e+162, 3.05316e+168, 1.16171e+175, 1.64771e+189, |
| 76 | 1.1622e+202, 2.00748e+239, 2.51778e+244, 3.90282e+306, 1.79769e+308, |
| 77 | V8_INFINITY}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 78 | |
| 79 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 80 | const int32_t kInt32Values[] = { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 81 | -2147483647 - 1, -2104508227, -2103151830, -1435284490, -1378926425, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 82 | -1318814539, -1289388009, -1287537572, -1279026536, -1241605942, |
| 83 | -1226046939, -941837148, -779818051, -413830641, -245798087, -184657557, |
| 84 | -127145950, -105483328, -32325, -26653, -23858, -23834, -22363, -19858, |
| 85 | -19044, -18744, -15528, -5309, -3372, -2093, -104, -98, -97, -93, -84, -80, |
| 86 | -78, -76, -72, -58, -57, -56, -55, -45, -40, -34, -32, -25, -24, -5, -2, 0, |
| 87 | 3, 10, 24, 34, 42, 46, 47, 48, 52, 56, 64, 65, 71, 76, 79, 81, 82, 97, 102, |
| 88 | 103, 104, 106, 107, 109, 116, 122, 3653, 4485, 12405, 16504, 26262, 28704, |
| 89 | 29755, 30554, 16476817, 605431957, 832401070, 873617242, 914205764, |
| 90 | 1062628108, 1087581664, 1488498068, 1534668023, 1661587028, 1696896187, |
| 91 | 1866841746, 2032089723, 2147483647}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 92 | |
| 93 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 94 | const uint32_t kUint32Values[] = { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 95 | 0x0, 0x5, 0x8, 0xc, 0xd, 0x26, |
| 96 | 0x28, 0x29, 0x30, 0x34, 0x3e, 0x42, |
| 97 | 0x50, 0x5b, 0x63, 0x71, 0x77, 0x7c, |
| 98 | 0x83, 0x88, 0x96, 0x9c, 0xa3, 0xfa, |
| 99 | 0x7a7, 0x165d, 0x234d, 0x3acb, 0x43a5, 0x4573, |
| 100 | 0x5b4f, 0x5f14, 0x6996, 0x6c6e, 0x7289, 0x7b9a, |
| 101 | 0x7bc9, 0x86bb, 0xa839, 0xaa41, 0xb03b, 0xc942, |
| 102 | 0xce68, 0xcf4c, 0xd3ad, 0xdea3, 0xe90c, 0xed86, |
| 103 | 0xfba5, 0x172dcc6, 0x114d8fc1, 0x182d6c9d, 0x1b1e3fad, 0x1db033bf, |
| 104 | 0x1e1de755, 0x1f625c80, 0x28f6cf00, 0x2acb6a94, 0x2c20240e, 0x2f0fe54e, |
| 105 | 0x31863a7c, 0x33325474, 0x3532fae3, 0x3bab82ea, 0x4c4b83a2, 0x4cd93d1e, |
| 106 | 0x4f7331d4, 0x5491b09b, 0x57cc6ff9, 0x60d3b4dc, 0x653f5904, 0x690ae256, |
| 107 | 0x69fe3276, 0x6bebf0ba, 0x6e2c69a3, 0x73b84ff7, 0x7b3a1924, 0x7ed032d9, |
| 108 | 0x84dd734b, 0x8552ea53, 0x8680754f, 0x8e9660eb, 0x94fe2b9c, 0x972d30cf, |
| 109 | 0x9b98c482, 0xb158667e, 0xb432932c, 0xb5b70989, 0xb669971a, 0xb7c359d1, |
| 110 | 0xbeb15c0d, 0xc171c53d, 0xc743dd38, 0xc8e2af50, 0xc98e2df0, 0xd9d1cdf9, |
| 111 | 0xdcc91049, 0xe46f396d, 0xee991950, 0xef64e521, 0xf7aeefc9, 0xffffffff}; |
| 112 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 113 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 114 | const double kNaNs[] = {-std::numeric_limits<double>::quiet_NaN(), |
| 115 | std::numeric_limits<double>::quiet_NaN(), |
| 116 | bit_cast<double>(V8_UINT64_C(0x7FFFFFFFFFFFFFFF)), |
| 117 | bit_cast<double>(V8_UINT64_C(0xFFFFFFFFFFFFFFFF))}; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 118 | |
| 119 | } // namespace |
| 120 | |
| 121 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 122 | // ----------------------------------------------------------------------------- |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 123 | // BooleanNot |
| 124 | |
| 125 | |
| 126 | TEST_F(SimplifiedOperatorReducerTest, BooleanNotWithBooleanNot) { |
| 127 | Node* param0 = Parameter(0); |
| 128 | Reduction reduction = Reduce( |
| 129 | graph()->NewNode(simplified()->BooleanNot(), |
| 130 | graph()->NewNode(simplified()->BooleanNot(), param0))); |
| 131 | ASSERT_TRUE(reduction.Changed()); |
| 132 | EXPECT_EQ(param0, reduction.replacement()); |
| 133 | } |
| 134 | |
| 135 | |
| 136 | TEST_F(SimplifiedOperatorReducerTest, BooleanNotWithFalseConstant) { |
| 137 | Reduction reduction0 = |
| 138 | Reduce(graph()->NewNode(simplified()->BooleanNot(), FalseConstant())); |
| 139 | ASSERT_TRUE(reduction0.Changed()); |
| 140 | EXPECT_THAT(reduction0.replacement(), IsTrueConstant()); |
| 141 | } |
| 142 | |
| 143 | |
| 144 | TEST_F(SimplifiedOperatorReducerTest, BooleanNotWithTrueConstant) { |
| 145 | Reduction reduction1 = |
| 146 | Reduce(graph()->NewNode(simplified()->BooleanNot(), TrueConstant())); |
| 147 | ASSERT_TRUE(reduction1.Changed()); |
| 148 | EXPECT_THAT(reduction1.replacement(), IsFalseConstant()); |
| 149 | } |
| 150 | |
| 151 | |
| 152 | // ----------------------------------------------------------------------------- |
| 153 | // ChangeBoolToBit |
| 154 | |
| 155 | |
| 156 | TEST_F(SimplifiedOperatorReducerTest, ChangeBitToBoolWithChangeBoolToBit) { |
| 157 | Node* param0 = Parameter(0); |
| 158 | Reduction reduction = Reduce(graph()->NewNode( |
| 159 | simplified()->ChangeBitToBool(), |
| 160 | graph()->NewNode(simplified()->ChangeBoolToBit(), param0))); |
| 161 | ASSERT_TRUE(reduction.Changed()); |
| 162 | EXPECT_EQ(param0, reduction.replacement()); |
| 163 | } |
| 164 | |
| 165 | |
| 166 | TEST_F(SimplifiedOperatorReducerTest, ChangeBitToBoolWithZeroConstant) { |
| 167 | Reduction reduction = Reduce( |
| 168 | graph()->NewNode(simplified()->ChangeBitToBool(), Int32Constant(0))); |
| 169 | ASSERT_TRUE(reduction.Changed()); |
| 170 | EXPECT_THAT(reduction.replacement(), IsFalseConstant()); |
| 171 | } |
| 172 | |
| 173 | |
| 174 | TEST_F(SimplifiedOperatorReducerTest, ChangeBitToBoolWithOneConstant) { |
| 175 | Reduction reduction = Reduce( |
| 176 | graph()->NewNode(simplified()->ChangeBitToBool(), Int32Constant(1))); |
| 177 | ASSERT_TRUE(reduction.Changed()); |
| 178 | EXPECT_THAT(reduction.replacement(), IsTrueConstant()); |
| 179 | } |
| 180 | |
| 181 | |
| 182 | // ----------------------------------------------------------------------------- |
| 183 | // ChangeBoolToBit |
| 184 | |
| 185 | |
| 186 | TEST_F(SimplifiedOperatorReducerTest, ChangeBoolToBitWithFalseConstant) { |
| 187 | Reduction reduction = Reduce( |
| 188 | graph()->NewNode(simplified()->ChangeBoolToBit(), FalseConstant())); |
| 189 | ASSERT_TRUE(reduction.Changed()); |
| 190 | EXPECT_THAT(reduction.replacement(), IsInt32Constant(0)); |
| 191 | } |
| 192 | |
| 193 | |
| 194 | TEST_F(SimplifiedOperatorReducerTest, ChangeBoolToBitWithTrueConstant) { |
| 195 | Reduction reduction = |
| 196 | Reduce(graph()->NewNode(simplified()->ChangeBoolToBit(), TrueConstant())); |
| 197 | ASSERT_TRUE(reduction.Changed()); |
| 198 | EXPECT_THAT(reduction.replacement(), IsInt32Constant(1)); |
| 199 | } |
| 200 | |
| 201 | |
| 202 | TEST_F(SimplifiedOperatorReducerTest, ChangeBoolToBitWithChangeBitToBool) { |
| 203 | Node* param0 = Parameter(0); |
| 204 | Reduction reduction = Reduce(graph()->NewNode( |
| 205 | simplified()->ChangeBoolToBit(), |
| 206 | graph()->NewNode(simplified()->ChangeBitToBool(), param0))); |
| 207 | ASSERT_TRUE(reduction.Changed()); |
| 208 | EXPECT_EQ(param0, reduction.replacement()); |
| 209 | } |
| 210 | |
| 211 | |
| 212 | // ----------------------------------------------------------------------------- |
| 213 | // ChangeFloat64ToTagged |
| 214 | |
| 215 | |
| 216 | TEST_F(SimplifiedOperatorReducerTest, ChangeFloat64ToTaggedWithConstant) { |
| 217 | TRACED_FOREACH(double, n, kFloat64Values) { |
| 218 | Reduction reduction = Reduce(graph()->NewNode( |
| 219 | simplified()->ChangeFloat64ToTagged(), Float64Constant(n))); |
| 220 | ASSERT_TRUE(reduction.Changed()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 221 | EXPECT_THAT(reduction.replacement(), IsNumberConstant(BitEq(n))); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 222 | } |
| 223 | } |
| 224 | |
| 225 | |
| 226 | // ----------------------------------------------------------------------------- |
| 227 | // ChangeInt32ToTagged |
| 228 | |
| 229 | |
| 230 | TEST_F(SimplifiedOperatorReducerTest, ChangeInt32ToTaggedWithConstant) { |
| 231 | TRACED_FOREACH(int32_t, n, kInt32Values) { |
| 232 | Reduction reduction = Reduce(graph()->NewNode( |
| 233 | simplified()->ChangeInt32ToTagged(), Int32Constant(n))); |
| 234 | ASSERT_TRUE(reduction.Changed()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 235 | EXPECT_THAT(reduction.replacement(), IsNumberConstant(BitEq(FastI2D(n)))); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 236 | } |
| 237 | } |
| 238 | |
| 239 | |
| 240 | // ----------------------------------------------------------------------------- |
| 241 | // ChangeTaggedToFloat64 |
| 242 | |
| 243 | |
| 244 | TEST_F(SimplifiedOperatorReducerTest, |
| 245 | ChangeTaggedToFloat64WithChangeFloat64ToTagged) { |
| 246 | Node* param0 = Parameter(0); |
| 247 | Reduction reduction = Reduce(graph()->NewNode( |
| 248 | simplified()->ChangeTaggedToFloat64(), |
| 249 | graph()->NewNode(simplified()->ChangeFloat64ToTagged(), param0))); |
| 250 | ASSERT_TRUE(reduction.Changed()); |
| 251 | EXPECT_EQ(param0, reduction.replacement()); |
| 252 | } |
| 253 | |
| 254 | |
| 255 | TEST_F(SimplifiedOperatorReducerTest, |
| 256 | ChangeTaggedToFloat64WithChangeInt32ToTagged) { |
| 257 | Node* param0 = Parameter(0); |
| 258 | Reduction reduction = Reduce(graph()->NewNode( |
| 259 | simplified()->ChangeTaggedToFloat64(), |
| 260 | graph()->NewNode(simplified()->ChangeInt32ToTagged(), param0))); |
| 261 | ASSERT_TRUE(reduction.Changed()); |
| 262 | EXPECT_THAT(reduction.replacement(), IsChangeInt32ToFloat64(param0)); |
| 263 | } |
| 264 | |
| 265 | |
| 266 | TEST_F(SimplifiedOperatorReducerTest, |
| 267 | ChangeTaggedToFloat64WithChangeUint32ToTagged) { |
| 268 | Node* param0 = Parameter(0); |
| 269 | Reduction reduction = Reduce(graph()->NewNode( |
| 270 | simplified()->ChangeTaggedToFloat64(), |
| 271 | graph()->NewNode(simplified()->ChangeUint32ToTagged(), param0))); |
| 272 | ASSERT_TRUE(reduction.Changed()); |
| 273 | EXPECT_THAT(reduction.replacement(), IsChangeUint32ToFloat64(param0)); |
| 274 | } |
| 275 | |
| 276 | |
| 277 | TEST_F(SimplifiedOperatorReducerTest, ChangeTaggedToFloat64WithConstant) { |
| 278 | TRACED_FOREACH(double, n, kFloat64Values) { |
| 279 | Reduction reduction = Reduce(graph()->NewNode( |
| 280 | simplified()->ChangeTaggedToFloat64(), NumberConstant(n))); |
| 281 | ASSERT_TRUE(reduction.Changed()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 282 | EXPECT_THAT(reduction.replacement(), IsFloat64Constant(BitEq(n))); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 283 | } |
| 284 | } |
| 285 | |
| 286 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 287 | TEST_F(SimplifiedOperatorReducerTest, ChangeTaggedToFloat64WithNaNConstant) { |
| 288 | TRACED_FOREACH(double, nan, kNaNs) { |
| 289 | Reduction reduction = Reduce(graph()->NewNode( |
| 290 | simplified()->ChangeTaggedToFloat64(), NumberConstant(nan))); |
| 291 | ASSERT_TRUE(reduction.Changed()); |
| 292 | EXPECT_THAT(reduction.replacement(), IsFloat64Constant(BitEq(nan))); |
| 293 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 294 | } |
| 295 | |
| 296 | |
| 297 | // ----------------------------------------------------------------------------- |
| 298 | // ChangeTaggedToInt32 |
| 299 | |
| 300 | |
| 301 | TEST_F(SimplifiedOperatorReducerTest, |
| 302 | ChangeTaggedToInt32WithChangeFloat64ToTagged) { |
| 303 | Node* param0 = Parameter(0); |
| 304 | Reduction reduction = Reduce(graph()->NewNode( |
| 305 | simplified()->ChangeTaggedToInt32(), |
| 306 | graph()->NewNode(simplified()->ChangeFloat64ToTagged(), param0))); |
| 307 | ASSERT_TRUE(reduction.Changed()); |
| 308 | EXPECT_THAT(reduction.replacement(), IsChangeFloat64ToInt32(param0)); |
| 309 | } |
| 310 | |
| 311 | |
| 312 | TEST_F(SimplifiedOperatorReducerTest, |
| 313 | ChangeTaggedToInt32WithChangeInt32ToTagged) { |
| 314 | Node* param0 = Parameter(0); |
| 315 | Reduction reduction = Reduce(graph()->NewNode( |
| 316 | simplified()->ChangeTaggedToInt32(), |
| 317 | graph()->NewNode(simplified()->ChangeInt32ToTagged(), param0))); |
| 318 | ASSERT_TRUE(reduction.Changed()); |
| 319 | EXPECT_EQ(param0, reduction.replacement()); |
| 320 | } |
| 321 | |
| 322 | |
| 323 | TEST_F(SimplifiedOperatorReducerTest, ChangeTaggedToInt32WithConstant) { |
| 324 | TRACED_FOREACH(double, n, kFloat64Values) { |
| 325 | Reduction reduction = Reduce(graph()->NewNode( |
| 326 | simplified()->ChangeTaggedToInt32(), NumberConstant(n))); |
| 327 | ASSERT_TRUE(reduction.Changed()); |
| 328 | EXPECT_THAT(reduction.replacement(), IsInt32Constant(DoubleToInt32(n))); |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 333 | TEST_F(SimplifiedOperatorReducerTest, ChangeTaggedToInt32WithNaNConstant) { |
| 334 | TRACED_FOREACH(double, nan, kNaNs) { |
| 335 | Reduction reduction = Reduce(graph()->NewNode( |
| 336 | simplified()->ChangeTaggedToInt32(), NumberConstant(nan))); |
| 337 | ASSERT_TRUE(reduction.Changed()); |
| 338 | EXPECT_THAT(reduction.replacement(), IsInt32Constant(0)); |
| 339 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 340 | } |
| 341 | |
| 342 | |
| 343 | // ----------------------------------------------------------------------------- |
| 344 | // ChangeTaggedToUint32 |
| 345 | |
| 346 | |
| 347 | TEST_F(SimplifiedOperatorReducerTest, |
| 348 | ChangeTaggedToUint32WithChangeFloat64ToTagged) { |
| 349 | Node* param0 = Parameter(0); |
| 350 | Reduction reduction = Reduce(graph()->NewNode( |
| 351 | simplified()->ChangeTaggedToUint32(), |
| 352 | graph()->NewNode(simplified()->ChangeFloat64ToTagged(), param0))); |
| 353 | ASSERT_TRUE(reduction.Changed()); |
| 354 | EXPECT_THAT(reduction.replacement(), IsChangeFloat64ToUint32(param0)); |
| 355 | } |
| 356 | |
| 357 | |
| 358 | TEST_F(SimplifiedOperatorReducerTest, |
| 359 | ChangeTaggedToUint32WithChangeUint32ToTagged) { |
| 360 | Node* param0 = Parameter(0); |
| 361 | Reduction reduction = Reduce(graph()->NewNode( |
| 362 | simplified()->ChangeTaggedToUint32(), |
| 363 | graph()->NewNode(simplified()->ChangeUint32ToTagged(), param0))); |
| 364 | ASSERT_TRUE(reduction.Changed()); |
| 365 | EXPECT_EQ(param0, reduction.replacement()); |
| 366 | } |
| 367 | |
| 368 | |
| 369 | TEST_F(SimplifiedOperatorReducerTest, ChangeTaggedToUint32WithConstant) { |
| 370 | TRACED_FOREACH(double, n, kFloat64Values) { |
| 371 | Reduction reduction = Reduce(graph()->NewNode( |
| 372 | simplified()->ChangeTaggedToUint32(), NumberConstant(n))); |
| 373 | ASSERT_TRUE(reduction.Changed()); |
| 374 | EXPECT_THAT(reduction.replacement(), |
| 375 | IsInt32Constant(bit_cast<int32_t>(DoubleToUint32(n)))); |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 380 | TEST_F(SimplifiedOperatorReducerTest, ChangeTaggedToUint32WithNaNConstant) { |
| 381 | TRACED_FOREACH(double, nan, kNaNs) { |
| 382 | Reduction reduction = Reduce(graph()->NewNode( |
| 383 | simplified()->ChangeTaggedToUint32(), NumberConstant(nan))); |
| 384 | ASSERT_TRUE(reduction.Changed()); |
| 385 | EXPECT_THAT(reduction.replacement(), IsInt32Constant(0)); |
| 386 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 387 | } |
| 388 | |
| 389 | |
| 390 | // ----------------------------------------------------------------------------- |
| 391 | // ChangeUint32ToTagged |
| 392 | |
| 393 | |
| 394 | TEST_F(SimplifiedOperatorReducerTest, ChangeUint32ToTagged) { |
| 395 | TRACED_FOREACH(uint32_t, n, kUint32Values) { |
| 396 | Reduction reduction = |
| 397 | Reduce(graph()->NewNode(simplified()->ChangeUint32ToTagged(), |
| 398 | Int32Constant(bit_cast<int32_t>(n)))); |
| 399 | ASSERT_TRUE(reduction.Changed()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 400 | EXPECT_THAT(reduction.replacement(), IsNumberConstant(BitEq(FastUI2D(n)))); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 401 | } |
| 402 | } |
| 403 | |
| 404 | } // namespace compiler |
| 405 | } // namespace internal |
| 406 | } // namespace v8 |