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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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| 79 | 79 |
| 80 TEST_F(JSBuiltinReducerTest, MathMax0) { | 80 TEST_F(JSBuiltinReducerTest, MathMax0) { |
| 81 Node* function = MathFunction("max"); | 81 Node* function = MathFunction("max"); |
| 82 | 82 |
| 83 Node* effect = graph()->start(); | 83 Node* effect = graph()->start(); |
| 84 Node* control = graph()->start(); | 84 Node* control = graph()->start(); |
| 85 Node* context = UndefinedConstant(); | 85 Node* context = UndefinedConstant(); |
| 86 Node* frame_state = graph()->start(); | 86 Node* frame_state = graph()->start(); |
| 87 Node* call = graph()->NewNode(javascript()->CallFunction(2), function, | 87 Node* call = graph()->NewNode(javascript()->CallFunction(2), function, |
| 88 UndefinedConstant(), context, frame_state, | 88 UndefinedConstant(), context, frame_state, |
| 89 frame_state, effect, control); | 89 effect, control); |
| 90 Reduction r = Reduce(call); | 90 Reduction r = Reduce(call); |
| 91 | 91 |
| 92 ASSERT_TRUE(r.Changed()); | 92 ASSERT_TRUE(r.Changed()); |
| 93 EXPECT_THAT(r.replacement(), IsNumberConstant(-V8_INFINITY)); | 93 EXPECT_THAT(r.replacement(), IsNumberConstant(-V8_INFINITY)); |
| 94 } | 94 } |
| 95 | 95 |
| 96 | 96 |
| 97 TEST_F(JSBuiltinReducerTest, MathMax1) { | 97 TEST_F(JSBuiltinReducerTest, MathMax1) { |
| 98 Node* function = MathFunction("max"); | 98 Node* function = MathFunction("max"); |
| 99 | 99 |
| 100 Node* effect = graph()->start(); | 100 Node* effect = graph()->start(); |
| 101 Node* control = graph()->start(); | 101 Node* control = graph()->start(); |
| 102 Node* context = UndefinedConstant(); | 102 Node* context = UndefinedConstant(); |
| 103 Node* frame_state = graph()->start(); | 103 Node* frame_state = graph()->start(); |
| 104 TRACED_FOREACH(Type*, t0, kNumberTypes) { | 104 TRACED_FOREACH(Type*, t0, kNumberTypes) { |
| 105 Node* p0 = Parameter(t0, 0); | 105 Node* p0 = Parameter(t0, 0); |
| 106 Node* call = graph()->NewNode(javascript()->CallFunction(3), function, | 106 Node* call = graph()->NewNode(javascript()->CallFunction(3), function, |
| 107 UndefinedConstant(), p0, context, frame_state, | 107 UndefinedConstant(), p0, context, frame_state, |
| 108 frame_state, effect, control); | 108 effect, control); |
| 109 Reduction r = Reduce(call); | 109 Reduction r = Reduce(call); |
| 110 | 110 |
| 111 ASSERT_TRUE(r.Changed()); | 111 ASSERT_TRUE(r.Changed()); |
| 112 EXPECT_THAT(r.replacement(), p0); | 112 EXPECT_THAT(r.replacement(), p0); |
| 113 } | 113 } |
| 114 } | 114 } |
| 115 | 115 |
| 116 | 116 |
| 117 TEST_F(JSBuiltinReducerTest, MathMax2) { | 117 TEST_F(JSBuiltinReducerTest, MathMax2) { |
| 118 Node* function = MathFunction("max"); | 118 Node* function = MathFunction("max"); |
| 119 | 119 |
| 120 Node* effect = graph()->start(); | 120 Node* effect = graph()->start(); |
| 121 Node* control = graph()->start(); | 121 Node* control = graph()->start(); |
| 122 Node* context = UndefinedConstant(); | 122 Node* context = UndefinedConstant(); |
| 123 Node* frame_state = graph()->start(); | 123 Node* frame_state = graph()->start(); |
| 124 TRACED_FOREACH(Type*, t0, kIntegral32Types) { | 124 TRACED_FOREACH(Type*, t0, kIntegral32Types) { |
| 125 TRACED_FOREACH(Type*, t1, kIntegral32Types) { | 125 TRACED_FOREACH(Type*, t1, kIntegral32Types) { |
| 126 Node* p0 = Parameter(t0, 0); | 126 Node* p0 = Parameter(t0, 0); |
| 127 Node* p1 = Parameter(t1, 1); | 127 Node* p1 = Parameter(t1, 1); |
| 128 Node* call = graph()->NewNode(javascript()->CallFunction(4), function, | 128 Node* call = graph()->NewNode(javascript()->CallFunction(4), function, |
| 129 UndefinedConstant(), p0, p1, context, | 129 UndefinedConstant(), p0, p1, context, |
| 130 frame_state, frame_state, effect, control); | 130 frame_state, effect, control); |
| 131 Reduction r = Reduce(call); | 131 Reduction r = Reduce(call); |
| 132 | 132 |
| 133 ASSERT_TRUE(r.Changed()); | 133 ASSERT_TRUE(r.Changed()); |
| 134 EXPECT_THAT(r.replacement(), IsSelect(MachineRepresentation::kNone, | 134 EXPECT_THAT(r.replacement(), IsSelect(MachineRepresentation::kNone, |
| 135 IsNumberLessThan(p1, p0), p0, p1)); | 135 IsNumberLessThan(p1, p0), p0, p1)); |
| 136 } | 136 } |
| 137 } | 137 } |
| 138 } | 138 } |
| 139 | 139 |
| 140 | 140 |
| 141 // ----------------------------------------------------------------------------- | 141 // ----------------------------------------------------------------------------- |
| 142 // Math.imul | 142 // Math.imul |
| 143 | 143 |
| 144 | 144 |
| 145 TEST_F(JSBuiltinReducerTest, MathImul) { | 145 TEST_F(JSBuiltinReducerTest, MathImul) { |
| 146 Node* function = MathFunction("imul"); | 146 Node* function = MathFunction("imul"); |
| 147 | 147 |
| 148 Node* effect = graph()->start(); | 148 Node* effect = graph()->start(); |
| 149 Node* control = graph()->start(); | 149 Node* control = graph()->start(); |
| 150 Node* context = UndefinedConstant(); | 150 Node* context = UndefinedConstant(); |
| 151 Node* frame_state = graph()->start(); | 151 Node* frame_state = graph()->start(); |
| 152 TRACED_FOREACH(Type*, t0, kNumberTypes) { | 152 TRACED_FOREACH(Type*, t0, kNumberTypes) { |
| 153 TRACED_FOREACH(Type*, t1, kNumberTypes) { | 153 TRACED_FOREACH(Type*, t1, kNumberTypes) { |
| 154 Node* p0 = Parameter(t0, 0); | 154 Node* p0 = Parameter(t0, 0); |
| 155 Node* p1 = Parameter(t1, 1); | 155 Node* p1 = Parameter(t1, 1); |
| 156 Node* call = graph()->NewNode(javascript()->CallFunction(4), function, | 156 Node* call = graph()->NewNode(javascript()->CallFunction(4), function, |
| 157 UndefinedConstant(), p0, p1, context, | 157 UndefinedConstant(), p0, p1, context, |
| 158 frame_state, frame_state, effect, control); | 158 frame_state, effect, control); |
| 159 Reduction r = Reduce(call); | 159 Reduction r = Reduce(call); |
| 160 | 160 |
| 161 ASSERT_TRUE(r.Changed()); | 161 ASSERT_TRUE(r.Changed()); |
| 162 EXPECT_THAT(r.replacement(), | 162 EXPECT_THAT(r.replacement(), |
| 163 IsNumberImul(IsNumberToUint32(p0), IsNumberToUint32(p1))); | 163 IsNumberImul(IsNumberToUint32(p0), IsNumberToUint32(p1))); |
| 164 } | 164 } |
| 165 } | 165 } |
| 166 } | 166 } |
| 167 | 167 |
| 168 | 168 |
| 169 // ----------------------------------------------------------------------------- | 169 // ----------------------------------------------------------------------------- |
| 170 // Math.fround | 170 // Math.fround |
| 171 | 171 |
| 172 | 172 |
| 173 TEST_F(JSBuiltinReducerTest, MathFround) { | 173 TEST_F(JSBuiltinReducerTest, MathFround) { |
| 174 Node* function = MathFunction("fround"); | 174 Node* function = MathFunction("fround"); |
| 175 | 175 |
| 176 Node* effect = graph()->start(); | 176 Node* effect = graph()->start(); |
| 177 Node* control = graph()->start(); | 177 Node* control = graph()->start(); |
| 178 Node* context = UndefinedConstant(); | 178 Node* context = UndefinedConstant(); |
| 179 Node* frame_state = graph()->start(); | 179 Node* frame_state = graph()->start(); |
| 180 TRACED_FOREACH(Type*, t0, kNumberTypes) { | 180 TRACED_FOREACH(Type*, t0, kNumberTypes) { |
| 181 Node* p0 = Parameter(t0, 0); | 181 Node* p0 = Parameter(t0, 0); |
| 182 Node* call = graph()->NewNode(javascript()->CallFunction(3), function, | 182 Node* call = graph()->NewNode(javascript()->CallFunction(3), function, |
| 183 UndefinedConstant(), p0, context, frame_state, | 183 UndefinedConstant(), p0, context, frame_state, |
| 184 frame_state, effect, control); | 184 effect, control); |
| 185 Reduction r = Reduce(call); | 185 Reduction r = Reduce(call); |
| 186 | 186 |
| 187 ASSERT_TRUE(r.Changed()); | 187 ASSERT_TRUE(r.Changed()); |
| 188 EXPECT_THAT(r.replacement(), IsTruncateFloat64ToFloat32(p0)); | 188 EXPECT_THAT(r.replacement(), IsTruncateFloat64ToFloat32(p0)); |
| 189 } | 189 } |
| 190 } | 190 } |
| 191 | 191 |
| 192 } // namespace compiler | 192 } // namespace compiler |
| 193 } // namespace internal | 193 } // namespace internal |
| 194 } // namespace v8 | 194 } // namespace v8 |
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