Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2015 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/interface-descriptors.h" |
| 6 | #include "src/isolate.h" |
| 7 | #include "test/cctest/compiler/function-tester.h" |
| 8 | |
| 9 | namespace v8 { |
| 10 | namespace internal { |
| 11 | namespace compiler { |
| 12 | |
| 13 | |
| 14 | class CodeStubAssemblerTester : public CodeStubAssembler { |
| 15 | public: |
| 16 | CodeStubAssemblerTester(Isolate* isolate, |
| 17 | const CallInterfaceDescriptor& descriptor) |
| 18 | : CodeStubAssembler(isolate, isolate->runtime_zone(), descriptor, |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 19 | Code::ComputeFlags(Code::STUB), "test"), |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 20 | scope_(isolate) {} |
| 21 | |
| 22 | private: |
| 23 | HandleScope scope_; |
| 24 | LocalContext context_; |
| 25 | }; |
| 26 | |
| 27 | |
| 28 | TEST(SimpleSmiReturn) { |
| 29 | Isolate* isolate(CcTest::InitIsolateOnce()); |
| 30 | VoidDescriptor descriptor(isolate); |
| 31 | CodeStubAssemblerTester m(isolate, descriptor); |
| 32 | m.Return(m.SmiTag(m.Int32Constant(37))); |
| 33 | Handle<Code> code = m.GenerateCode(); |
| 34 | FunctionTester ft(descriptor, code); |
| 35 | MaybeHandle<Object> result = ft.Call(); |
| 36 | CHECK_EQ(37, Handle<Smi>::cast(result.ToHandleChecked())->value()); |
| 37 | } |
| 38 | |
| 39 | |
| 40 | TEST(SimpleIntPtrReturn) { |
| 41 | Isolate* isolate(CcTest::InitIsolateOnce()); |
| 42 | VoidDescriptor descriptor(isolate); |
| 43 | CodeStubAssemblerTester m(isolate, descriptor); |
| 44 | int test; |
| 45 | m.Return(m.IntPtrConstant(reinterpret_cast<intptr_t>(&test))); |
| 46 | Handle<Code> code = m.GenerateCode(); |
| 47 | FunctionTester ft(descriptor, code); |
| 48 | MaybeHandle<Object> result = ft.Call(); |
| 49 | CHECK_EQ(reinterpret_cast<intptr_t>(&test), |
| 50 | reinterpret_cast<intptr_t>(*result.ToHandleChecked())); |
| 51 | } |
| 52 | |
| 53 | |
| 54 | TEST(SimpleDoubleReturn) { |
| 55 | Isolate* isolate(CcTest::InitIsolateOnce()); |
| 56 | VoidDescriptor descriptor(isolate); |
| 57 | CodeStubAssemblerTester m(isolate, descriptor); |
| 58 | m.Return(m.NumberConstant(0.5)); |
| 59 | Handle<Code> code = m.GenerateCode(); |
| 60 | FunctionTester ft(descriptor, code); |
| 61 | MaybeHandle<Object> result = ft.Call(); |
| 62 | CHECK_EQ(0.5, Handle<HeapNumber>::cast(result.ToHandleChecked())->value()); |
| 63 | } |
| 64 | |
| 65 | |
| 66 | TEST(SimpleCallRuntime1Arg) { |
| 67 | Isolate* isolate(CcTest::InitIsolateOnce()); |
| 68 | VoidDescriptor descriptor(isolate); |
| 69 | CodeStubAssemblerTester m(isolate, descriptor); |
| 70 | Node* context = m.HeapConstant(Handle<Context>(isolate->native_context())); |
| 71 | Node* b = m.SmiTag(m.Int32Constant(256)); |
| 72 | m.Return(m.CallRuntime(Runtime::kMathSqrt, context, b)); |
| 73 | Handle<Code> code = m.GenerateCode(); |
| 74 | FunctionTester ft(descriptor, code); |
| 75 | MaybeHandle<Object> result = ft.Call(); |
| 76 | CHECK_EQ(16, Handle<Smi>::cast(result.ToHandleChecked())->value()); |
| 77 | } |
| 78 | |
| 79 | |
| 80 | TEST(SimpleTailCallRuntime1Arg) { |
| 81 | Isolate* isolate(CcTest::InitIsolateOnce()); |
| 82 | VoidDescriptor descriptor(isolate); |
| 83 | CodeStubAssemblerTester m(isolate, descriptor); |
| 84 | Node* context = m.HeapConstant(Handle<Context>(isolate->native_context())); |
| 85 | Node* b = m.SmiTag(m.Int32Constant(256)); |
| 86 | m.TailCallRuntime(Runtime::kMathSqrt, context, b); |
| 87 | Handle<Code> code = m.GenerateCode(); |
| 88 | FunctionTester ft(descriptor, code); |
| 89 | MaybeHandle<Object> result = ft.Call(); |
| 90 | CHECK_EQ(16, Handle<Smi>::cast(result.ToHandleChecked())->value()); |
| 91 | } |
| 92 | |
| 93 | |
| 94 | TEST(SimpleCallRuntime2Arg) { |
| 95 | Isolate* isolate(CcTest::InitIsolateOnce()); |
| 96 | VoidDescriptor descriptor(isolate); |
| 97 | CodeStubAssemblerTester m(isolate, descriptor); |
| 98 | Node* context = m.HeapConstant(Handle<Context>(isolate->native_context())); |
| 99 | Node* a = m.SmiTag(m.Int32Constant(2)); |
| 100 | Node* b = m.SmiTag(m.Int32Constant(4)); |
| 101 | m.Return(m.CallRuntime(Runtime::kMathPow, context, a, b)); |
| 102 | Handle<Code> code = m.GenerateCode(); |
| 103 | FunctionTester ft(descriptor, code); |
| 104 | MaybeHandle<Object> result = ft.Call(); |
| 105 | CHECK_EQ(16, Handle<Smi>::cast(result.ToHandleChecked())->value()); |
| 106 | } |
| 107 | |
| 108 | |
| 109 | TEST(SimpleTailCallRuntime2Arg) { |
| 110 | Isolate* isolate(CcTest::InitIsolateOnce()); |
| 111 | VoidDescriptor descriptor(isolate); |
| 112 | CodeStubAssemblerTester m(isolate, descriptor); |
| 113 | Node* context = m.HeapConstant(Handle<Context>(isolate->native_context())); |
| 114 | Node* a = m.SmiTag(m.Int32Constant(2)); |
| 115 | Node* b = m.SmiTag(m.Int32Constant(4)); |
| 116 | m.TailCallRuntime(Runtime::kMathPow, context, a, b); |
| 117 | Handle<Code> code = m.GenerateCode(); |
| 118 | FunctionTester ft(descriptor, code); |
| 119 | MaybeHandle<Object> result = ft.Call(); |
| 120 | CHECK_EQ(16, Handle<Smi>::cast(result.ToHandleChecked())->value()); |
| 121 | } |
| 122 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 123 | TEST(VariableMerge1) { |
| 124 | Isolate* isolate(CcTest::InitIsolateOnce()); |
| 125 | VoidDescriptor descriptor(isolate); |
| 126 | CodeStubAssemblerTester m(isolate, descriptor); |
| 127 | CodeStubAssembler::Variable var1(&m, MachineRepresentation::kTagged); |
| 128 | CodeStubAssembler::Label l1(&m), l2(&m), merge(&m); |
| 129 | Node* temp = m.Int32Constant(0); |
| 130 | var1.Bind(temp); |
| 131 | m.Branch(m.Int32Constant(1), &l1, &l2); |
| 132 | m.Bind(&l1); |
| 133 | CHECK_EQ(var1.value(), temp); |
| 134 | m.Goto(&merge); |
| 135 | m.Bind(&l2); |
| 136 | CHECK_EQ(var1.value(), temp); |
| 137 | m.Goto(&merge); |
| 138 | m.Bind(&merge); |
| 139 | CHECK_EQ(var1.value(), temp); |
| 140 | } |
| 141 | |
| 142 | TEST(VariableMerge2) { |
| 143 | Isolate* isolate(CcTest::InitIsolateOnce()); |
| 144 | VoidDescriptor descriptor(isolate); |
| 145 | CodeStubAssemblerTester m(isolate, descriptor); |
| 146 | CodeStubAssembler::Variable var1(&m, MachineRepresentation::kTagged); |
| 147 | CodeStubAssembler::Label l1(&m), l2(&m), merge(&m); |
| 148 | Node* temp = m.Int32Constant(0); |
| 149 | var1.Bind(temp); |
| 150 | m.Branch(m.Int32Constant(1), &l1, &l2); |
| 151 | m.Bind(&l1); |
| 152 | CHECK_EQ(var1.value(), temp); |
| 153 | m.Goto(&merge); |
| 154 | m.Bind(&l2); |
| 155 | Node* temp2 = m.Int32Constant(2); |
| 156 | var1.Bind(temp2); |
| 157 | CHECK_EQ(var1.value(), temp2); |
| 158 | m.Goto(&merge); |
| 159 | m.Bind(&merge); |
| 160 | CHECK_NE(var1.value(), temp); |
| 161 | } |
| 162 | |
| 163 | TEST(VariableMerge3) { |
| 164 | Isolate* isolate(CcTest::InitIsolateOnce()); |
| 165 | VoidDescriptor descriptor(isolate); |
| 166 | CodeStubAssemblerTester m(isolate, descriptor); |
| 167 | CodeStubAssembler::Variable var1(&m, MachineRepresentation::kTagged); |
| 168 | CodeStubAssembler::Variable var2(&m, MachineRepresentation::kTagged); |
| 169 | CodeStubAssembler::Label l1(&m), l2(&m), merge(&m); |
| 170 | Node* temp = m.Int32Constant(0); |
| 171 | var1.Bind(temp); |
| 172 | var2.Bind(temp); |
| 173 | m.Branch(m.Int32Constant(1), &l1, &l2); |
| 174 | m.Bind(&l1); |
| 175 | CHECK_EQ(var1.value(), temp); |
| 176 | m.Goto(&merge); |
| 177 | m.Bind(&l2); |
| 178 | Node* temp2 = m.Int32Constant(2); |
| 179 | var1.Bind(temp2); |
| 180 | CHECK_EQ(var1.value(), temp2); |
| 181 | m.Goto(&merge); |
| 182 | m.Bind(&merge); |
| 183 | CHECK_NE(var1.value(), temp); |
| 184 | CHECK_NE(var1.value(), temp2); |
| 185 | CHECK_EQ(var2.value(), temp); |
| 186 | } |
| 187 | |
| 188 | TEST(VariableMergeBindFirst) { |
| 189 | Isolate* isolate(CcTest::InitIsolateOnce()); |
| 190 | VoidDescriptor descriptor(isolate); |
| 191 | CodeStubAssemblerTester m(isolate, descriptor); |
| 192 | CodeStubAssembler::Variable var1(&m, MachineRepresentation::kTagged); |
| 193 | CodeStubAssembler::Label l1(&m), l2(&m), merge(&m, &var1), end(&m); |
| 194 | Node* temp = m.Int32Constant(0); |
| 195 | var1.Bind(temp); |
| 196 | m.Branch(m.Int32Constant(1), &l1, &l2); |
| 197 | m.Bind(&l1); |
| 198 | CHECK_EQ(var1.value(), temp); |
| 199 | m.Goto(&merge); |
| 200 | m.Bind(&merge); |
| 201 | CHECK(var1.value() != temp); |
| 202 | CHECK(var1.value() != nullptr); |
| 203 | m.Goto(&end); |
| 204 | m.Bind(&l2); |
| 205 | Node* temp2 = m.Int32Constant(2); |
| 206 | var1.Bind(temp2); |
| 207 | CHECK_EQ(var1.value(), temp2); |
| 208 | m.Goto(&merge); |
| 209 | m.Bind(&end); |
| 210 | CHECK(var1.value() != temp); |
| 211 | CHECK(var1.value() != nullptr); |
| 212 | } |
| 213 | |
| 214 | TEST(VariableMergeSwitch) { |
| 215 | Isolate* isolate(CcTest::InitIsolateOnce()); |
| 216 | VoidDescriptor descriptor(isolate); |
| 217 | CodeStubAssemblerTester m(isolate, descriptor); |
| 218 | CodeStubAssembler::Variable var1(&m, MachineRepresentation::kTagged); |
| 219 | CodeStubAssembler::Label l1(&m), l2(&m), default_label(&m); |
| 220 | CodeStubAssembler::Label* labels[] = {&l1, &l2}; |
| 221 | int32_t values[] = {1, 2}; |
| 222 | Node* temp = m.Int32Constant(0); |
| 223 | var1.Bind(temp); |
| 224 | m.Switch(m.Int32Constant(2), &default_label, values, labels, 2); |
| 225 | m.Bind(&l1); |
| 226 | DCHECK_EQ(temp, var1.value()); |
| 227 | m.Return(temp); |
| 228 | m.Bind(&l2); |
| 229 | DCHECK_EQ(temp, var1.value()); |
| 230 | m.Return(temp); |
| 231 | m.Bind(&default_label); |
| 232 | DCHECK_EQ(temp, var1.value()); |
| 233 | m.Return(temp); |
| 234 | } |
| 235 | |
| 236 | TEST(FixedArrayAccessSmiIndex) { |
| 237 | Isolate* isolate(CcTest::InitIsolateOnce()); |
| 238 | VoidDescriptor descriptor(isolate); |
| 239 | CodeStubAssemblerTester m(isolate, descriptor); |
| 240 | Handle<FixedArray> array = isolate->factory()->NewFixedArray(5); |
| 241 | array->set(4, Smi::FromInt(733)); |
| 242 | m.Return(m.LoadFixedArrayElementSmiIndex(m.HeapConstant(array), |
| 243 | m.SmiTag(m.Int32Constant(4)))); |
| 244 | Handle<Code> code = m.GenerateCode(); |
| 245 | FunctionTester ft(descriptor, code); |
| 246 | MaybeHandle<Object> result = ft.Call(); |
| 247 | CHECK_EQ(733, Handle<Smi>::cast(result.ToHandleChecked())->value()); |
| 248 | } |
| 249 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 250 | } // namespace compiler |
| 251 | } // namespace internal |
| 252 | } // namespace v8 |