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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/compiler/js-builtin-reducer.h" | 5 #include "src/compiler/js-builtin-reducer.h" |
| 6 #include "src/compiler/js-graph.h" | 6 #include "src/compiler/js-graph.h" |
| 7 #include "src/compiler/node-properties.h" | 7 #include "src/compiler/node-properties.h" |
| 8 #include "src/compiler/simplified-operator.h" | 8 #include "src/compiler/simplified-operator.h" |
| 9 #include "src/compiler/typer.h" | 9 #include "src/compiler/typer.h" |
| 10 #include "src/isolate-inl.h" | 10 #include "src/isolate-inl.h" |
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| 81 | 81 |
| 82 | 82 |
| 83 TEST_F(JSBuiltinReducerTest, MathMax0) { | 83 TEST_F(JSBuiltinReducerTest, MathMax0) { |
| 84 Node* function = MathFunction("max"); | 84 Node* function = MathFunction("max"); |
| 85 | 85 |
| 86 Node* effect = graph()->start(); | 86 Node* effect = graph()->start(); |
| 87 Node* control = graph()->start(); | 87 Node* control = graph()->start(); |
| 88 Node* context = UndefinedConstant(); | 88 Node* context = UndefinedConstant(); |
| 89 Node* frame_state = graph()->start(); | 89 Node* frame_state = graph()->start(); |
| 90 TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) { | 90 TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) { |
| 91 Node* call = graph()->NewNode( | 91 Node* call = graph()->NewNode(javascript()->CallFunction(2, language_mode), |
| 92 javascript()->CallFunction(2, NO_CALL_FUNCTION_FLAGS, language_mode), | 92 function, UndefinedConstant(), context, |
| 93 function, UndefinedConstant(), context, frame_state, frame_state, | 93 frame_state, frame_state, effect, control); |
| 94 effect, control); | |
| 95 Reduction r = Reduce(call); | 94 Reduction r = Reduce(call); |
| 96 | 95 |
| 97 ASSERT_TRUE(r.Changed()); | 96 ASSERT_TRUE(r.Changed()); |
| 98 EXPECT_THAT(r.replacement(), IsNumberConstant(-V8_INFINITY)); | 97 EXPECT_THAT(r.replacement(), IsNumberConstant(-V8_INFINITY)); |
| 99 } | 98 } |
| 100 } | 99 } |
| 101 | 100 |
| 102 | 101 |
| 103 TEST_F(JSBuiltinReducerTest, MathMax1) { | 102 TEST_F(JSBuiltinReducerTest, MathMax1) { |
| 104 Node* function = MathFunction("max"); | 103 Node* function = MathFunction("max"); |
| 105 | 104 |
| 106 Node* effect = graph()->start(); | 105 Node* effect = graph()->start(); |
| 107 Node* control = graph()->start(); | 106 Node* control = graph()->start(); |
| 108 Node* context = UndefinedConstant(); | 107 Node* context = UndefinedConstant(); |
| 109 Node* frame_state = graph()->start(); | 108 Node* frame_state = graph()->start(); |
| 110 TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) { | 109 TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) { |
| 111 TRACED_FOREACH(Type*, t0, kNumberTypes) { | 110 TRACED_FOREACH(Type*, t0, kNumberTypes) { |
| 112 Node* p0 = Parameter(t0, 0); | 111 Node* p0 = Parameter(t0, 0); |
| 113 Node* call = graph()->NewNode( | 112 Node* call = |
| 114 javascript()->CallFunction(3, NO_CALL_FUNCTION_FLAGS, language_mode), | 113 graph()->NewNode(javascript()->CallFunction(3, language_mode), |
| 115 function, UndefinedConstant(), p0, context, frame_state, frame_state, | 114 function, UndefinedConstant(), p0, context, |
| 116 effect, control); | 115 frame_state, frame_state, effect, control); |
| 117 Reduction r = Reduce(call); | 116 Reduction r = Reduce(call); |
| 118 | 117 |
| 119 ASSERT_TRUE(r.Changed()); | 118 ASSERT_TRUE(r.Changed()); |
| 120 EXPECT_THAT(r.replacement(), p0); | 119 EXPECT_THAT(r.replacement(), p0); |
| 121 } | 120 } |
| 122 } | 121 } |
| 123 } | 122 } |
| 124 | 123 |
| 125 | 124 |
| 126 TEST_F(JSBuiltinReducerTest, MathMax2) { | 125 TEST_F(JSBuiltinReducerTest, MathMax2) { |
| 127 Node* function = MathFunction("max"); | 126 Node* function = MathFunction("max"); |
| 128 | 127 |
| 129 Node* effect = graph()->start(); | 128 Node* effect = graph()->start(); |
| 130 Node* control = graph()->start(); | 129 Node* control = graph()->start(); |
| 131 Node* context = UndefinedConstant(); | 130 Node* context = UndefinedConstant(); |
| 132 Node* frame_state = graph()->start(); | 131 Node* frame_state = graph()->start(); |
| 133 TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) { | 132 TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) { |
| 134 TRACED_FOREACH(Type*, t0, kIntegral32Types) { | 133 TRACED_FOREACH(Type*, t0, kIntegral32Types) { |
| 135 TRACED_FOREACH(Type*, t1, kIntegral32Types) { | 134 TRACED_FOREACH(Type*, t1, kIntegral32Types) { |
| 136 Node* p0 = Parameter(t0, 0); | 135 Node* p0 = Parameter(t0, 0); |
| 137 Node* p1 = Parameter(t1, 1); | 136 Node* p1 = Parameter(t1, 1); |
| 138 Node* call = | 137 Node* call = |
| 139 graph()->NewNode(javascript()->CallFunction( | 138 graph()->NewNode(javascript()->CallFunction(4, language_mode), |
| 140 4, NO_CALL_FUNCTION_FLAGS, language_mode), | |
| 141 function, UndefinedConstant(), p0, p1, context, | 139 function, UndefinedConstant(), p0, p1, context, |
| 142 frame_state, frame_state, effect, control); | 140 frame_state, frame_state, effect, control); |
| 143 Reduction r = Reduce(call); | 141 Reduction r = Reduce(call); |
| 144 | 142 |
| 145 ASSERT_TRUE(r.Changed()); | 143 ASSERT_TRUE(r.Changed()); |
| 146 EXPECT_THAT(r.replacement(), | 144 EXPECT_THAT(r.replacement(), |
| 147 IsSelect(kMachNone, IsNumberLessThan(p1, p0), p0, p1)); | 145 IsSelect(kMachNone, IsNumberLessThan(p1, p0), p0, p1)); |
| 148 } | 146 } |
| 149 } | 147 } |
| 150 } | 148 } |
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| 161 Node* effect = graph()->start(); | 159 Node* effect = graph()->start(); |
| 162 Node* control = graph()->start(); | 160 Node* control = graph()->start(); |
| 163 Node* context = UndefinedConstant(); | 161 Node* context = UndefinedConstant(); |
| 164 Node* frame_state = graph()->start(); | 162 Node* frame_state = graph()->start(); |
| 165 TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) { | 163 TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) { |
| 166 TRACED_FOREACH(Type*, t0, kIntegral32Types) { | 164 TRACED_FOREACH(Type*, t0, kIntegral32Types) { |
| 167 TRACED_FOREACH(Type*, t1, kIntegral32Types) { | 165 TRACED_FOREACH(Type*, t1, kIntegral32Types) { |
| 168 Node* p0 = Parameter(t0, 0); | 166 Node* p0 = Parameter(t0, 0); |
| 169 Node* p1 = Parameter(t1, 1); | 167 Node* p1 = Parameter(t1, 1); |
| 170 Node* call = | 168 Node* call = |
| 171 graph()->NewNode(javascript()->CallFunction( | 169 graph()->NewNode(javascript()->CallFunction(4, language_mode), |
| 172 4, NO_CALL_FUNCTION_FLAGS, language_mode), | |
| 173 function, UndefinedConstant(), p0, p1, context, | 170 function, UndefinedConstant(), p0, p1, context, |
| 174 frame_state, frame_state, effect, control); | 171 frame_state, frame_state, effect, control); |
| 175 Reduction r = Reduce(call); | 172 Reduction r = Reduce(call); |
| 176 | 173 |
| 177 ASSERT_TRUE(r.Changed()); | 174 ASSERT_TRUE(r.Changed()); |
| 178 EXPECT_THAT(r.replacement(), IsInt32Mul(p0, p1)); | 175 EXPECT_THAT(r.replacement(), IsInt32Mul(p0, p1)); |
| 179 } | 176 } |
| 180 } | 177 } |
| 181 } | 178 } |
| 182 } | 179 } |
| 183 | 180 |
| 184 | 181 |
| 185 // ----------------------------------------------------------------------------- | 182 // ----------------------------------------------------------------------------- |
| 186 // Math.fround | 183 // Math.fround |
| 187 | 184 |
| 188 | 185 |
| 189 TEST_F(JSBuiltinReducerTest, MathFround) { | 186 TEST_F(JSBuiltinReducerTest, MathFround) { |
| 190 Node* function = MathFunction("fround"); | 187 Node* function = MathFunction("fround"); |
| 191 | 188 |
| 192 Node* effect = graph()->start(); | 189 Node* effect = graph()->start(); |
| 193 Node* control = graph()->start(); | 190 Node* control = graph()->start(); |
| 194 Node* context = UndefinedConstant(); | 191 Node* context = UndefinedConstant(); |
| 195 Node* frame_state = graph()->start(); | 192 Node* frame_state = graph()->start(); |
| 196 TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) { | 193 TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) { |
| 197 TRACED_FOREACH(Type*, t0, kNumberTypes) { | 194 TRACED_FOREACH(Type*, t0, kNumberTypes) { |
| 198 Node* p0 = Parameter(t0, 0); | 195 Node* p0 = Parameter(t0, 0); |
| 199 Node* call = graph()->NewNode( | 196 Node* call = |
| 200 javascript()->CallFunction(3, NO_CALL_FUNCTION_FLAGS, language_mode), | 197 graph()->NewNode(javascript()->CallFunction(3, language_mode), |
| 201 function, UndefinedConstant(), p0, context, frame_state, frame_state, | 198 function, UndefinedConstant(), p0, context, |
| 202 effect, control); | 199 frame_state, frame_state, effect, control); |
| 203 Reduction r = Reduce(call); | 200 Reduction r = Reduce(call); |
| 204 | 201 |
| 205 ASSERT_TRUE(r.Changed()); | 202 ASSERT_TRUE(r.Changed()); |
| 206 EXPECT_THAT(r.replacement(), IsTruncateFloat64ToFloat32(p0)); | 203 EXPECT_THAT(r.replacement(), IsTruncateFloat64ToFloat32(p0)); |
| 207 } | 204 } |
| 208 } | 205 } |
| 209 } | 206 } |
| 210 | 207 |
| 211 } // namespace compiler | 208 } // namespace compiler |
| 212 } // namespace internal | 209 } // namespace internal |
| 213 } // namespace v8 | 210 } // namespace v8 |
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