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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/typer.h" | 8 #include "src/compiler/typer.h" |
| 9 #include "test/unittests/compiler/graph-unittest.h" | 9 #include "test/unittests/compiler/graph-unittest.h" |
| 10 #include "test/unittests/compiler/node-test-utils.h" | 10 #include "test/unittests/compiler/node-test-utils.h" |
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| 55 Type* const kNumberTypes[] = { | 55 Type* const kNumberTypes[] = { |
| 56 Type::UnsignedSmall(), Type::Negative32(), Type::Unsigned31(), | 56 Type::UnsignedSmall(), Type::Negative32(), Type::Unsigned31(), |
| 57 Type::SignedSmall(), Type::Signed32(), Type::Unsigned32(), | 57 Type::SignedSmall(), Type::Signed32(), Type::Unsigned32(), |
| 58 Type::Integral32(), Type::MinusZero(), Type::NaN(), | 58 Type::Integral32(), Type::MinusZero(), Type::NaN(), |
| 59 Type::OrderedNumber(), Type::PlainNumber(), Type::Number()}; | 59 Type::OrderedNumber(), Type::PlainNumber(), Type::Number()}; |
| 60 | 60 |
| 61 } // namespace | 61 } // namespace |
| 62 | 62 |
| 63 | 63 |
| 64 // ----------------------------------------------------------------------------- | 64 // ----------------------------------------------------------------------------- |
| 65 // Math.abs | |
| 66 | |
| 67 | |
| 68 TEST_F(JSBuiltinReducerTest, MathAbs) { | |
| 69 Handle<JSFunction> f = MathFunction("abs"); | |
| 70 | |
| 71 TRACED_FOREACH(Type*, t0, kNumberTypes) { | |
| 72 Node* p0 = Parameter(t0, 0); | |
| 73 Node* fun = HeapConstant(Unique<HeapObject>::CreateUninitialized(f)); | |
| 74 Node* call = | |
| 75 graph()->NewNode(javascript()->CallFunction(3, NO_CALL_FUNCTION_FLAGS), | |
| 76 fun, UndefinedConstant(), p0); | |
| 77 Reduction r = Reduce(call); | |
| 78 | |
| 79 if (t0->Is(Type::Unsigned32())) { | |
| 80 ASSERT_TRUE(r.Changed()); | |
| 81 EXPECT_THAT(r.replacement(), p0); | |
| 82 } else { | |
| 83 Capture<Node*> branch; | |
| 84 ASSERT_TRUE(r.Changed()); | |
| 85 EXPECT_THAT( | |
| 86 r.replacement(), | |
| 87 IsSelect(kMachNone, | |
| 88 IsNumberLessThan(IsNumberConstant(BitEq(0.0)), p0), p0, | |
| 89 IsNumberSubtract(IsNumberConstant(BitEq(0.0)), p0))); | |
| 90 } | |
| 91 } | |
| 92 } | |
| 93 | |
| 94 | |
| 95 // ----------------------------------------------------------------------------- | |
| 96 // Math.sqrt | |
| 97 | |
| 98 | |
| 99 TEST_F(JSBuiltinReducerTest, MathSqrt) { | |
| 100 Handle<JSFunction> f = MathFunction("sqrt"); | |
| 101 | |
| 102 TRACED_FOREACH(Type*, t0, kNumberTypes) { | |
| 103 Node* p0 = Parameter(t0, 0); | |
| 104 Node* fun = HeapConstant(Unique<HeapObject>::CreateUninitialized(f)); | |
| 105 Node* call = | |
| 106 graph()->NewNode(javascript()->CallFunction(3, NO_CALL_FUNCTION_FLAGS), | |
| 107 fun, UndefinedConstant(), p0); | |
| 108 Reduction r = Reduce(call); | |
| 109 | |
| 110 ASSERT_TRUE(r.Changed()); | |
| 111 EXPECT_THAT(r.replacement(), IsFloat64Sqrt(p0)); | |
| 112 } | |
| 113 } | |
| 114 | |
| 115 | |
| 116 // ----------------------------------------------------------------------------- | |
| 117 // Math.max | 65 // Math.max |
| 118 | 66 |
| 119 | 67 |
| 120 TEST_F(JSBuiltinReducerTest, MathMax0) { | 68 TEST_F(JSBuiltinReducerTest, MathMax0) { |
| 121 Handle<JSFunction> f = MathFunction("max"); | 69 Handle<JSFunction> f = MathFunction("max"); |
| 122 | 70 |
| 123 Node* fun = HeapConstant(Unique<HeapObject>::CreateUninitialized(f)); | 71 Node* fun = HeapConstant(Unique<HeapObject>::CreateUninitialized(f)); |
| 124 Node* call = | 72 Node* call = |
| 125 graph()->NewNode(javascript()->CallFunction(2, NO_CALL_FUNCTION_FLAGS), | 73 graph()->NewNode(javascript()->CallFunction(2, NO_CALL_FUNCTION_FLAGS), |
| 126 fun, UndefinedConstant()); | 74 fun, UndefinedConstant()); |
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| 219 Reduction r = Reduce(call); | 167 Reduction r = Reduce(call); |
| 220 | 168 |
| 221 ASSERT_TRUE(r.Changed()); | 169 ASSERT_TRUE(r.Changed()); |
| 222 EXPECT_THAT(r.replacement(), IsTruncateFloat64ToFloat32(p0)); | 170 EXPECT_THAT(r.replacement(), IsTruncateFloat64ToFloat32(p0)); |
| 223 } | 171 } |
| 224 } | 172 } |
| 225 | 173 |
| 226 } // namespace compiler | 174 } // namespace compiler |
| 227 } // namespace internal | 175 } // namespace internal |
| 228 } // namespace v8 | 176 } // namespace v8 |
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