Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [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 | |
| 5 | #include "src/compiler/js-builtin-reducer.h" |
| 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" |
| 8 | #include "src/compiler/simplified-operator.h" |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 9 | #include "src/compiler/typer.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 10 | #include "src/isolate-inl.h" |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 11 | #include "test/unittests/compiler/graph-unittest.h" |
| 12 | #include "test/unittests/compiler/node-test-utils.h" |
| 13 | #include "testing/gmock-support.h" |
| 14 | |
| 15 | using testing::BitEq; |
| 16 | using testing::Capture; |
| 17 | |
| 18 | namespace v8 { |
| 19 | namespace internal { |
| 20 | namespace compiler { |
| 21 | |
| 22 | class JSBuiltinReducerTest : public TypedGraphTest { |
| 23 | public: |
| 24 | JSBuiltinReducerTest() : javascript_(zone()) {} |
| 25 | |
| 26 | protected: |
| 27 | Reduction Reduce(Node* node, MachineOperatorBuilder::Flags flags = |
| 28 | MachineOperatorBuilder::Flag::kNoFlags) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 29 | MachineOperatorBuilder machine(zone(), MachineType::PointerRepresentation(), |
| 30 | flags); |
| 31 | SimplifiedOperatorBuilder simplified(zone()); |
| 32 | JSGraph jsgraph(isolate(), graph(), common(), javascript(), &simplified, |
| 33 | &machine); |
| 34 | // TODO(titzer): mock the GraphReducer here for better unit testing. |
| 35 | GraphReducer graph_reducer(zone(), graph()); |
| 36 | JSBuiltinReducer reducer(&graph_reducer, &jsgraph); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 37 | return reducer.Reduce(node); |
| 38 | } |
| 39 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 40 | Node* MathFunction(const char* name) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 41 | Handle<Object> m = |
| 42 | JSObject::GetProperty(isolate()->global_object(), |
| 43 | isolate()->factory()->NewStringFromAsciiChecked( |
| 44 | "Math")).ToHandleChecked(); |
| 45 | Handle<JSFunction> f = Handle<JSFunction>::cast( |
| 46 | JSObject::GetProperty( |
| 47 | m, isolate()->factory()->NewStringFromAsciiChecked(name)) |
| 48 | .ToHandleChecked()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 49 | return HeapConstant(f); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 50 | } |
| 51 | |
| 52 | JSOperatorBuilder* javascript() { return &javascript_; } |
| 53 | |
| 54 | private: |
| 55 | JSOperatorBuilder javascript_; |
| 56 | }; |
| 57 | |
| 58 | |
| 59 | namespace { |
| 60 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 61 | Type* const kIntegral32Types[] = {Type::UnsignedSmall(), Type::Negative32(), |
| 62 | Type::Unsigned31(), Type::SignedSmall(), |
| 63 | Type::Signed32(), Type::Unsigned32(), |
| 64 | Type::Integral32()}; |
| 65 | |
| 66 | |
| 67 | const LanguageMode kLanguageModes[] = {SLOPPY, STRICT, STRONG}; |
| 68 | |
| 69 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 70 | // TODO(mstarzinger): Find a common place and unify with test-js-typed-lowering. |
| 71 | Type* const kNumberTypes[] = { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 72 | Type::UnsignedSmall(), Type::Negative32(), Type::Unsigned31(), |
| 73 | Type::SignedSmall(), Type::Signed32(), Type::Unsigned32(), |
| 74 | Type::Integral32(), Type::MinusZero(), Type::NaN(), |
| 75 | Type::OrderedNumber(), Type::PlainNumber(), Type::Number()}; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 76 | |
| 77 | } // namespace |
| 78 | |
| 79 | |
| 80 | // ----------------------------------------------------------------------------- |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 81 | // Math.max |
| 82 | |
| 83 | |
| 84 | TEST_F(JSBuiltinReducerTest, MathMax0) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 85 | Node* function = MathFunction("max"); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 86 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 87 | Node* effect = graph()->start(); |
| 88 | Node* control = graph()->start(); |
| 89 | Node* context = UndefinedConstant(); |
| 90 | Node* frame_state = graph()->start(); |
| 91 | TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) { |
| 92 | Node* call = graph()->NewNode(javascript()->CallFunction(2, language_mode), |
| 93 | function, UndefinedConstant(), context, |
| 94 | frame_state, frame_state, effect, control); |
| 95 | Reduction r = Reduce(call); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 96 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 97 | ASSERT_TRUE(r.Changed()); |
| 98 | EXPECT_THAT(r.replacement(), IsNumberConstant(-V8_INFINITY)); |
| 99 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | |
| 103 | TEST_F(JSBuiltinReducerTest, MathMax1) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 104 | Node* function = MathFunction("max"); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 105 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 106 | Node* effect = graph()->start(); |
| 107 | Node* control = graph()->start(); |
| 108 | Node* context = UndefinedConstant(); |
| 109 | Node* frame_state = graph()->start(); |
| 110 | TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) { |
| 111 | TRACED_FOREACH(Type*, t0, kNumberTypes) { |
| 112 | Node* p0 = Parameter(t0, 0); |
| 113 | Node* call = |
| 114 | graph()->NewNode(javascript()->CallFunction(3, language_mode), |
| 115 | function, UndefinedConstant(), p0, context, |
| 116 | frame_state, frame_state, effect, control); |
| 117 | Reduction r = Reduce(call); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 118 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 119 | ASSERT_TRUE(r.Changed()); |
| 120 | EXPECT_THAT(r.replacement(), p0); |
| 121 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 122 | } |
| 123 | } |
| 124 | |
| 125 | |
| 126 | TEST_F(JSBuiltinReducerTest, MathMax2) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 127 | Node* function = MathFunction("max"); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 128 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 129 | Node* effect = graph()->start(); |
| 130 | Node* control = graph()->start(); |
| 131 | Node* context = UndefinedConstant(); |
| 132 | Node* frame_state = graph()->start(); |
| 133 | TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) { |
| 134 | TRACED_FOREACH(Type*, t0, kIntegral32Types) { |
| 135 | TRACED_FOREACH(Type*, t1, kIntegral32Types) { |
| 136 | Node* p0 = Parameter(t0, 0); |
| 137 | Node* p1 = Parameter(t1, 1); |
| 138 | Node* call = |
| 139 | graph()->NewNode(javascript()->CallFunction(4, language_mode), |
| 140 | function, UndefinedConstant(), p0, p1, context, |
| 141 | frame_state, frame_state, effect, control); |
| 142 | Reduction r = Reduce(call); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 143 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 144 | ASSERT_TRUE(r.Changed()); |
| 145 | EXPECT_THAT(r.replacement(), |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 146 | IsSelect(MachineRepresentation::kNone, |
| 147 | IsNumberLessThan(p1, p0), p0, p1)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 148 | } |
| 149 | } |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | |
| 154 | // ----------------------------------------------------------------------------- |
| 155 | // Math.imul |
| 156 | |
| 157 | |
| 158 | TEST_F(JSBuiltinReducerTest, MathImul) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 159 | Node* function = MathFunction("imul"); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 160 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 161 | Node* effect = graph()->start(); |
| 162 | Node* control = graph()->start(); |
| 163 | Node* context = UndefinedConstant(); |
| 164 | Node* frame_state = graph()->start(); |
| 165 | TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) { |
| 166 | TRACED_FOREACH(Type*, t0, kIntegral32Types) { |
| 167 | TRACED_FOREACH(Type*, t1, kIntegral32Types) { |
| 168 | Node* p0 = Parameter(t0, 0); |
| 169 | Node* p1 = Parameter(t1, 1); |
| 170 | Node* call = |
| 171 | graph()->NewNode(javascript()->CallFunction(4, language_mode), |
| 172 | function, UndefinedConstant(), p0, p1, context, |
| 173 | frame_state, frame_state, effect, control); |
| 174 | Reduction r = Reduce(call); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 175 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 176 | ASSERT_TRUE(r.Changed()); |
| 177 | EXPECT_THAT(r.replacement(), IsInt32Mul(p0, p1)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 178 | } |
| 179 | } |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | |
| 184 | // ----------------------------------------------------------------------------- |
| 185 | // Math.fround |
| 186 | |
| 187 | |
| 188 | TEST_F(JSBuiltinReducerTest, MathFround) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 189 | Node* function = MathFunction("fround"); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 190 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 191 | Node* effect = graph()->start(); |
| 192 | Node* control = graph()->start(); |
| 193 | Node* context = UndefinedConstant(); |
| 194 | Node* frame_state = graph()->start(); |
| 195 | TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) { |
| 196 | TRACED_FOREACH(Type*, t0, kNumberTypes) { |
| 197 | Node* p0 = Parameter(t0, 0); |
| 198 | Node* call = |
| 199 | graph()->NewNode(javascript()->CallFunction(3, language_mode), |
| 200 | function, UndefinedConstant(), p0, context, |
| 201 | frame_state, frame_state, effect, control); |
| 202 | Reduction r = Reduce(call); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 203 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 204 | ASSERT_TRUE(r.Changed()); |
| 205 | EXPECT_THAT(r.replacement(), IsTruncateFloat64ToFloat32(p0)); |
| 206 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 207 | } |
| 208 | } |
| 209 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 210 | } // namespace compiler |
| 211 | } // namespace internal |
| 212 | } // namespace v8 |