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 "test/unittests/compiler/interpreter-assembler-unittest.h" |
| 6 | |
| 7 | #include "src/code-factory.h" |
| 8 | #include "src/compiler/graph.h" |
| 9 | #include "src/compiler/node.h" |
| 10 | #include "src/interface-descriptors.h" |
| 11 | #include "src/isolate.h" |
| 12 | #include "test/unittests/compiler/compiler-test-utils.h" |
| 13 | #include "test/unittests/compiler/node-test-utils.h" |
| 14 | |
| 15 | using ::testing::_; |
| 16 | |
| 17 | namespace v8 { |
| 18 | namespace internal { |
| 19 | namespace compiler { |
| 20 | |
| 21 | const interpreter::Bytecode kBytecodes[] = { |
| 22 | #define DEFINE_BYTECODE(Name, ...) interpreter::Bytecode::k##Name, |
| 23 | BYTECODE_LIST(DEFINE_BYTECODE) |
| 24 | #undef DEFINE_BYTECODE |
| 25 | }; |
| 26 | |
| 27 | |
| 28 | Matcher<Node*> IsIntPtrConstant(const intptr_t value) { |
| 29 | return kPointerSize == 8 ? IsInt64Constant(static_cast<int64_t>(value)) |
| 30 | : IsInt32Constant(static_cast<int32_t>(value)); |
| 31 | } |
| 32 | |
| 33 | |
| 34 | Matcher<Node*> IsIntPtrAdd(const Matcher<Node*>& lhs_matcher, |
| 35 | const Matcher<Node*>& rhs_matcher) { |
| 36 | return kPointerSize == 8 ? IsInt64Add(lhs_matcher, rhs_matcher) |
| 37 | : IsInt32Add(lhs_matcher, rhs_matcher); |
| 38 | } |
| 39 | |
| 40 | |
| 41 | Matcher<Node*> IsIntPtrSub(const Matcher<Node*>& lhs_matcher, |
| 42 | const Matcher<Node*>& rhs_matcher) { |
| 43 | return kPointerSize == 8 ? IsInt64Sub(lhs_matcher, rhs_matcher) |
| 44 | : IsInt32Sub(lhs_matcher, rhs_matcher); |
| 45 | } |
| 46 | |
| 47 | |
| 48 | Matcher<Node*> IsWordShl(const Matcher<Node*>& lhs_matcher, |
| 49 | const Matcher<Node*>& rhs_matcher) { |
| 50 | return kPointerSize == 8 ? IsWord64Shl(lhs_matcher, rhs_matcher) |
| 51 | : IsWord32Shl(lhs_matcher, rhs_matcher); |
| 52 | } |
| 53 | |
| 54 | |
| 55 | Matcher<Node*> IsWordSar(const Matcher<Node*>& lhs_matcher, |
| 56 | const Matcher<Node*>& rhs_matcher) { |
| 57 | return kPointerSize == 8 ? IsWord64Sar(lhs_matcher, rhs_matcher) |
| 58 | : IsWord32Sar(lhs_matcher, rhs_matcher); |
| 59 | } |
| 60 | |
| 61 | |
| 62 | Matcher<Node*> IsWordOr(const Matcher<Node*>& lhs_matcher, |
| 63 | const Matcher<Node*>& rhs_matcher) { |
| 64 | return kPointerSize == 8 ? IsWord64Or(lhs_matcher, rhs_matcher) |
| 65 | : IsWord32Or(lhs_matcher, rhs_matcher); |
| 66 | } |
| 67 | |
| 68 | |
| 69 | Matcher<Node*> InterpreterAssemblerTest::InterpreterAssemblerForTest::IsLoad( |
| 70 | const Matcher<LoadRepresentation>& rep_matcher, |
| 71 | const Matcher<Node*>& base_matcher, const Matcher<Node*>& index_matcher) { |
| 72 | return ::i::compiler::IsLoad(rep_matcher, base_matcher, index_matcher, _, _); |
| 73 | } |
| 74 | |
| 75 | |
| 76 | Matcher<Node*> InterpreterAssemblerTest::InterpreterAssemblerForTest::IsStore( |
| 77 | const Matcher<StoreRepresentation>& rep_matcher, |
| 78 | const Matcher<Node*>& base_matcher, const Matcher<Node*>& index_matcher, |
| 79 | const Matcher<Node*>& value_matcher) { |
| 80 | return ::i::compiler::IsStore(rep_matcher, base_matcher, index_matcher, |
| 81 | value_matcher, _, _); |
| 82 | } |
| 83 | |
| 84 | |
| 85 | Matcher<Node*> |
| 86 | InterpreterAssemblerTest::InterpreterAssemblerForTest::IsBytecodeOperand( |
| 87 | int offset) { |
| 88 | return IsLoad( |
| 89 | MachineType::Uint8(), |
| 90 | IsParameter(Linkage::kInterpreterBytecodeArrayParameter), |
| 91 | IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter), |
| 92 | IsInt32Constant(offset))); |
| 93 | } |
| 94 | |
| 95 | |
| 96 | Matcher<Node*> InterpreterAssemblerTest::InterpreterAssemblerForTest:: |
| 97 | IsBytecodeOperandSignExtended(int offset) { |
| 98 | Matcher<Node*> load_matcher = IsLoad( |
| 99 | MachineType::Int8(), |
| 100 | IsParameter(Linkage::kInterpreterBytecodeArrayParameter), |
| 101 | IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter), |
| 102 | IsInt32Constant(offset))); |
| 103 | if (kPointerSize == 8) { |
| 104 | load_matcher = IsChangeInt32ToInt64(load_matcher); |
| 105 | } |
| 106 | return load_matcher; |
| 107 | } |
| 108 | |
| 109 | |
| 110 | Matcher<Node*> |
| 111 | InterpreterAssemblerTest::InterpreterAssemblerForTest::IsBytecodeOperandShort( |
| 112 | int offset) { |
| 113 | if (TargetSupportsUnalignedAccess()) { |
| 114 | return IsLoad( |
| 115 | MachineType::Uint16(), |
| 116 | IsParameter(Linkage::kInterpreterBytecodeArrayParameter), |
| 117 | IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter), |
| 118 | IsInt32Constant(offset))); |
| 119 | } else { |
| 120 | Matcher<Node*> first_byte = IsLoad( |
| 121 | MachineType::Uint8(), |
| 122 | IsParameter(Linkage::kInterpreterBytecodeArrayParameter), |
| 123 | IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter), |
| 124 | IsInt32Constant(offset))); |
| 125 | Matcher<Node*> second_byte = IsLoad( |
| 126 | MachineType::Uint8(), |
| 127 | IsParameter(Linkage::kInterpreterBytecodeArrayParameter), |
| 128 | IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter), |
| 129 | IsInt32Constant(offset + 1))); |
| 130 | #if V8_TARGET_LITTLE_ENDIAN |
| 131 | return IsWordOr(IsWordShl(second_byte, IsInt32Constant(kBitsPerByte)), |
| 132 | first_byte); |
| 133 | #elif V8_TARGET_BIG_ENDIAN |
| 134 | return IsWordOr(IsWordShl(first_byte, IsInt32Constant(kBitsPerByte)), |
| 135 | second_byte); |
| 136 | #else |
| 137 | #error "Unknown Architecture" |
| 138 | #endif |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | |
| 143 | Matcher<Node*> InterpreterAssemblerTest::InterpreterAssemblerForTest:: |
| 144 | IsBytecodeOperandShortSignExtended(int offset) { |
| 145 | Matcher<Node*> load_matcher; |
| 146 | if (TargetSupportsUnalignedAccess()) { |
| 147 | load_matcher = IsLoad( |
| 148 | MachineType::Int16(), |
| 149 | IsParameter(Linkage::kInterpreterBytecodeArrayParameter), |
| 150 | IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter), |
| 151 | IsInt32Constant(offset))); |
| 152 | } else { |
| 153 | #if V8_TARGET_LITTLE_ENDIAN |
| 154 | int hi_byte_offset = offset + 1; |
| 155 | int lo_byte_offset = offset; |
| 156 | |
| 157 | #elif V8_TARGET_BIG_ENDIAN |
| 158 | int hi_byte_offset = offset; |
| 159 | int lo_byte_offset = offset + 1; |
| 160 | #else |
| 161 | #error "Unknown Architecture" |
| 162 | #endif |
| 163 | Matcher<Node*> hi_byte = IsLoad( |
| 164 | MachineType::Int8(), |
| 165 | IsParameter(Linkage::kInterpreterBytecodeArrayParameter), |
| 166 | IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter), |
| 167 | IsInt32Constant(hi_byte_offset))); |
| 168 | hi_byte = IsWord32Shl(hi_byte, IsInt32Constant(kBitsPerByte)); |
| 169 | Matcher<Node*> lo_byte = IsLoad( |
| 170 | MachineType::Uint8(), |
| 171 | IsParameter(Linkage::kInterpreterBytecodeArrayParameter), |
| 172 | IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter), |
| 173 | IsInt32Constant(lo_byte_offset))); |
| 174 | load_matcher = IsWord32Or(hi_byte, lo_byte); |
| 175 | } |
| 176 | |
| 177 | if (kPointerSize == 8) { |
| 178 | load_matcher = IsChangeInt32ToInt64(load_matcher); |
| 179 | } |
| 180 | return load_matcher; |
| 181 | } |
| 182 | |
| 183 | |
| 184 | TARGET_TEST_F(InterpreterAssemblerTest, Dispatch) { |
| 185 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 186 | InterpreterAssemblerForTest m(this, bytecode); |
| 187 | m.Dispatch(); |
| 188 | Graph* graph = m.graph(); |
| 189 | |
| 190 | Node* end = graph->end(); |
| 191 | EXPECT_EQ(1, end->InputCount()); |
| 192 | Node* tail_call_node = end->InputAt(0); |
| 193 | |
| 194 | Matcher<Node*> next_bytecode_offset_matcher = |
| 195 | IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter), |
| 196 | IsInt32Constant(interpreter::Bytecodes::Size(bytecode))); |
| 197 | Matcher<Node*> target_bytecode_matcher = |
| 198 | m.IsLoad(MachineType::Uint8(), |
| 199 | IsParameter(Linkage::kInterpreterBytecodeArrayParameter), |
| 200 | next_bytecode_offset_matcher); |
| 201 | Matcher<Node*> code_target_matcher = |
| 202 | m.IsLoad(MachineType::Pointer(), |
| 203 | IsParameter(Linkage::kInterpreterDispatchTableParameter), |
| 204 | IsWord32Shl(target_bytecode_matcher, |
| 205 | IsInt32Constant(kPointerSizeLog2))); |
| 206 | |
| 207 | EXPECT_EQ(CallDescriptor::kCallCodeObject, m.call_descriptor()->kind()); |
| 208 | EXPECT_TRUE(m.call_descriptor()->flags() & CallDescriptor::kCanUseRoots); |
| 209 | EXPECT_THAT( |
| 210 | tail_call_node, |
| 211 | IsTailCall(m.call_descriptor(), code_target_matcher, |
| 212 | IsParameter(Linkage::kInterpreterAccumulatorParameter), |
| 213 | IsParameter(Linkage::kInterpreterRegisterFileParameter), |
| 214 | next_bytecode_offset_matcher, |
| 215 | IsParameter(Linkage::kInterpreterBytecodeArrayParameter), |
| 216 | IsParameter(Linkage::kInterpreterDispatchTableParameter), |
| 217 | IsParameter(Linkage::kInterpreterContextParameter), _, _)); |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | |
| 222 | TARGET_TEST_F(InterpreterAssemblerTest, Jump) { |
| 223 | int jump_offsets[] = {-9710, -77, 0, +3, +97109}; |
| 224 | TRACED_FOREACH(int, jump_offset, jump_offsets) { |
| 225 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 226 | InterpreterAssemblerForTest m(this, bytecode); |
| 227 | m.Jump(m.Int32Constant(jump_offset)); |
| 228 | Graph* graph = m.graph(); |
| 229 | Node* end = graph->end(); |
| 230 | EXPECT_EQ(1, end->InputCount()); |
| 231 | Node* tail_call_node = end->InputAt(0); |
| 232 | |
| 233 | Matcher<Node*> next_bytecode_offset_matcher = |
| 234 | IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter), |
| 235 | IsInt32Constant(jump_offset)); |
| 236 | Matcher<Node*> target_bytecode_matcher = |
| 237 | m.IsLoad(MachineType::Uint8(), |
| 238 | IsParameter(Linkage::kInterpreterBytecodeArrayParameter), |
| 239 | next_bytecode_offset_matcher); |
| 240 | Matcher<Node*> code_target_matcher = |
| 241 | m.IsLoad(MachineType::Pointer(), |
| 242 | IsParameter(Linkage::kInterpreterDispatchTableParameter), |
| 243 | IsWord32Shl(target_bytecode_matcher, |
| 244 | IsInt32Constant(kPointerSizeLog2))); |
| 245 | |
| 246 | EXPECT_EQ(CallDescriptor::kCallCodeObject, m.call_descriptor()->kind()); |
| 247 | EXPECT_TRUE(m.call_descriptor()->flags() & CallDescriptor::kCanUseRoots); |
| 248 | EXPECT_THAT( |
| 249 | tail_call_node, |
| 250 | IsTailCall(m.call_descriptor(), code_target_matcher, |
| 251 | IsParameter(Linkage::kInterpreterAccumulatorParameter), |
| 252 | IsParameter(Linkage::kInterpreterRegisterFileParameter), |
| 253 | next_bytecode_offset_matcher, |
| 254 | IsParameter(Linkage::kInterpreterBytecodeArrayParameter), |
| 255 | IsParameter(Linkage::kInterpreterDispatchTableParameter), |
| 256 | IsParameter(Linkage::kInterpreterContextParameter), _, _)); |
| 257 | } |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | |
| 262 | TARGET_TEST_F(InterpreterAssemblerTest, JumpIfWordEqual) { |
| 263 | static const int kJumpIfTrueOffset = 73; |
| 264 | |
| 265 | MachineOperatorBuilder machine(zone()); |
| 266 | |
| 267 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 268 | InterpreterAssemblerForTest m(this, bytecode); |
| 269 | Node* lhs = m.IntPtrConstant(0); |
| 270 | Node* rhs = m.IntPtrConstant(1); |
| 271 | m.JumpIfWordEqual(lhs, rhs, m.Int32Constant(kJumpIfTrueOffset)); |
| 272 | Graph* graph = m.graph(); |
| 273 | Node* end = graph->end(); |
| 274 | EXPECT_EQ(2, end->InputCount()); |
| 275 | |
| 276 | int jump_offsets[] = {kJumpIfTrueOffset, |
| 277 | interpreter::Bytecodes::Size(bytecode)}; |
| 278 | for (int i = 0; i < static_cast<int>(arraysize(jump_offsets)); i++) { |
| 279 | Matcher<Node*> next_bytecode_offset_matcher = |
| 280 | IsIntPtrAdd(IsParameter(Linkage::kInterpreterBytecodeOffsetParameter), |
| 281 | IsInt32Constant(jump_offsets[i])); |
| 282 | Matcher<Node*> target_bytecode_matcher = |
| 283 | m.IsLoad(MachineType::Uint8(), |
| 284 | IsParameter(Linkage::kInterpreterBytecodeArrayParameter), |
| 285 | next_bytecode_offset_matcher); |
| 286 | Matcher<Node*> code_target_matcher = |
| 287 | m.IsLoad(MachineType::Pointer(), |
| 288 | IsParameter(Linkage::kInterpreterDispatchTableParameter), |
| 289 | IsWord32Shl(target_bytecode_matcher, |
| 290 | IsInt32Constant(kPointerSizeLog2))); |
| 291 | EXPECT_THAT( |
| 292 | end->InputAt(i), |
| 293 | IsTailCall(m.call_descriptor(), code_target_matcher, |
| 294 | IsParameter(Linkage::kInterpreterAccumulatorParameter), |
| 295 | IsParameter(Linkage::kInterpreterRegisterFileParameter), |
| 296 | next_bytecode_offset_matcher, |
| 297 | IsParameter(Linkage::kInterpreterBytecodeArrayParameter), |
| 298 | IsParameter(Linkage::kInterpreterDispatchTableParameter), |
| 299 | IsParameter(Linkage::kInterpreterContextParameter), _, _)); |
| 300 | } |
| 301 | |
| 302 | // TODO(oth): test control flow paths. |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | |
| 307 | TARGET_TEST_F(InterpreterAssemblerTest, Return) { |
| 308 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 309 | InterpreterAssemblerForTest m(this, bytecode); |
| 310 | m.Return(); |
| 311 | Graph* graph = m.graph(); |
| 312 | |
| 313 | Node* end = graph->end(); |
| 314 | EXPECT_EQ(1, end->InputCount()); |
| 315 | Node* tail_call_node = end->InputAt(0); |
| 316 | |
| 317 | EXPECT_EQ(CallDescriptor::kCallCodeObject, m.call_descriptor()->kind()); |
| 318 | EXPECT_TRUE(m.call_descriptor()->flags() & CallDescriptor::kCanUseRoots); |
| 319 | Handle<HeapObject> exit_trampoline = |
| 320 | isolate()->builtins()->InterpreterExitTrampoline(); |
| 321 | EXPECT_THAT( |
| 322 | tail_call_node, |
| 323 | IsTailCall(m.call_descriptor(), IsHeapConstant(exit_trampoline), |
| 324 | IsParameter(Linkage::kInterpreterAccumulatorParameter), |
| 325 | IsParameter(Linkage::kInterpreterRegisterFileParameter), |
| 326 | IsParameter(Linkage::kInterpreterBytecodeOffsetParameter), |
| 327 | IsParameter(Linkage::kInterpreterBytecodeArrayParameter), |
| 328 | IsParameter(Linkage::kInterpreterDispatchTableParameter), |
| 329 | IsParameter(Linkage::kInterpreterContextParameter), _, _)); |
| 330 | } |
| 331 | } |
| 332 | |
| 333 | |
| 334 | TARGET_TEST_F(InterpreterAssemblerTest, BytecodeOperand) { |
| 335 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 336 | InterpreterAssemblerForTest m(this, bytecode); |
| 337 | int number_of_operands = interpreter::Bytecodes::NumberOfOperands(bytecode); |
| 338 | for (int i = 0; i < number_of_operands; i++) { |
| 339 | int offset = interpreter::Bytecodes::GetOperandOffset(bytecode, i); |
| 340 | switch (interpreter::Bytecodes::GetOperandType(bytecode, i)) { |
| 341 | case interpreter::OperandType::kCount8: |
| 342 | EXPECT_THAT(m.BytecodeOperandCount(i), m.IsBytecodeOperand(offset)); |
| 343 | break; |
| 344 | case interpreter::OperandType::kIdx8: |
| 345 | EXPECT_THAT(m.BytecodeOperandIdx(i), m.IsBytecodeOperand(offset)); |
| 346 | break; |
| 347 | case interpreter::OperandType::kImm8: |
| 348 | EXPECT_THAT(m.BytecodeOperandImm(i), |
| 349 | m.IsBytecodeOperandSignExtended(offset)); |
| 350 | break; |
| 351 | case interpreter::OperandType::kMaybeReg8: |
| 352 | case interpreter::OperandType::kReg8: |
| 353 | case interpreter::OperandType::kRegPair8: |
| 354 | EXPECT_THAT(m.BytecodeOperandReg(i), |
| 355 | m.IsBytecodeOperandSignExtended(offset)); |
| 356 | break; |
| 357 | case interpreter::OperandType::kCount16: |
| 358 | EXPECT_THAT(m.BytecodeOperandCount(i), |
| 359 | m.IsBytecodeOperandShort(offset)); |
| 360 | break; |
| 361 | case interpreter::OperandType::kIdx16: |
| 362 | EXPECT_THAT(m.BytecodeOperandIdx(i), |
| 363 | m.IsBytecodeOperandShort(offset)); |
| 364 | break; |
| 365 | case interpreter::OperandType::kReg16: |
| 366 | EXPECT_THAT(m.BytecodeOperandReg(i), |
| 367 | m.IsBytecodeOperandShortSignExtended(offset)); |
| 368 | break; |
| 369 | case interpreter::OperandType::kNone: |
| 370 | UNREACHABLE(); |
| 371 | break; |
| 372 | } |
| 373 | } |
| 374 | } |
| 375 | } |
| 376 | |
| 377 | |
| 378 | TARGET_TEST_F(InterpreterAssemblerTest, GetSetAccumulator) { |
| 379 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 380 | InterpreterAssemblerForTest m(this, bytecode); |
| 381 | // Should be incoming accumulator if not set. |
| 382 | EXPECT_THAT(m.GetAccumulator(), |
| 383 | IsParameter(Linkage::kInterpreterAccumulatorParameter)); |
| 384 | |
| 385 | // Should be set by SedtAccumulator. |
| 386 | Node* accumulator_value_1 = m.Int32Constant(0xdeadbeef); |
| 387 | m.SetAccumulator(accumulator_value_1); |
| 388 | EXPECT_THAT(m.GetAccumulator(), accumulator_value_1); |
| 389 | Node* accumulator_value_2 = m.Int32Constant(42); |
| 390 | m.SetAccumulator(accumulator_value_2); |
| 391 | EXPECT_THAT(m.GetAccumulator(), accumulator_value_2); |
| 392 | |
| 393 | // Should be passed to next bytecode handler on dispatch. |
| 394 | m.Dispatch(); |
| 395 | Graph* graph = m.graph(); |
| 396 | |
| 397 | Node* end = graph->end(); |
| 398 | EXPECT_EQ(1, end->InputCount()); |
| 399 | Node* tail_call_node = end->InputAt(0); |
| 400 | |
| 401 | EXPECT_THAT(tail_call_node, |
| 402 | IsTailCall(m.call_descriptor(), _, accumulator_value_2, _, _, _, |
| 403 | _, _, _)); |
| 404 | } |
| 405 | } |
| 406 | |
| 407 | |
| 408 | TARGET_TEST_F(InterpreterAssemblerTest, RegisterLocation) { |
| 409 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 410 | InterpreterAssemblerForTest m(this, bytecode); |
| 411 | Node* reg_index_node = m.Int32Constant(44); |
| 412 | Node* reg_location_node = m.RegisterLocation(reg_index_node); |
| 413 | EXPECT_THAT( |
| 414 | reg_location_node, |
| 415 | IsIntPtrAdd( |
| 416 | IsParameter(Linkage::kInterpreterRegisterFileParameter), |
| 417 | IsWordShl(reg_index_node, IsInt32Constant(kPointerSizeLog2)))); |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | |
| 422 | TARGET_TEST_F(InterpreterAssemblerTest, LoadRegister) { |
| 423 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 424 | InterpreterAssemblerForTest m(this, bytecode); |
| 425 | Node* reg_index_node = m.Int32Constant(44); |
| 426 | Node* load_reg_node = m.LoadRegister(reg_index_node); |
| 427 | EXPECT_THAT( |
| 428 | load_reg_node, |
| 429 | m.IsLoad(MachineType::AnyTagged(), |
| 430 | IsParameter(Linkage::kInterpreterRegisterFileParameter), |
| 431 | IsWordShl(reg_index_node, IsInt32Constant(kPointerSizeLog2)))); |
| 432 | } |
| 433 | } |
| 434 | |
| 435 | |
| 436 | TARGET_TEST_F(InterpreterAssemblerTest, StoreRegister) { |
| 437 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 438 | InterpreterAssemblerForTest m(this, bytecode); |
| 439 | Node* store_value = m.Int32Constant(0xdeadbeef); |
| 440 | Node* reg_index_node = m.Int32Constant(44); |
| 441 | Node* store_reg_node = m.StoreRegister(store_value, reg_index_node); |
| 442 | EXPECT_THAT( |
| 443 | store_reg_node, |
| 444 | m.IsStore(StoreRepresentation(MachineRepresentation::kTagged, |
| 445 | kNoWriteBarrier), |
| 446 | IsParameter(Linkage::kInterpreterRegisterFileParameter), |
| 447 | IsWordShl(reg_index_node, IsInt32Constant(kPointerSizeLog2)), |
| 448 | store_value)); |
| 449 | } |
| 450 | } |
| 451 | |
| 452 | |
| 453 | TARGET_TEST_F(InterpreterAssemblerTest, SmiTag) { |
| 454 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 455 | InterpreterAssemblerForTest m(this, bytecode); |
| 456 | Node* value = m.Int32Constant(44); |
| 457 | EXPECT_THAT(m.SmiTag(value), |
| 458 | IsWordShl(value, IsInt32Constant(kSmiShiftSize + kSmiTagSize))); |
| 459 | EXPECT_THAT(m.SmiUntag(value), |
| 460 | IsWordSar(value, IsInt32Constant(kSmiShiftSize + kSmiTagSize))); |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | |
| 465 | TARGET_TEST_F(InterpreterAssemblerTest, IntPtrAdd) { |
| 466 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 467 | InterpreterAssemblerForTest m(this, bytecode); |
| 468 | Node* a = m.Int32Constant(0); |
| 469 | Node* b = m.Int32Constant(1); |
| 470 | Node* add = m.IntPtrAdd(a, b); |
| 471 | EXPECT_THAT(add, IsIntPtrAdd(a, b)); |
| 472 | } |
| 473 | } |
| 474 | |
| 475 | |
| 476 | TARGET_TEST_F(InterpreterAssemblerTest, IntPtrSub) { |
| 477 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 478 | InterpreterAssemblerForTest m(this, bytecode); |
| 479 | Node* a = m.Int32Constant(0); |
| 480 | Node* b = m.Int32Constant(1); |
| 481 | Node* add = m.IntPtrSub(a, b); |
| 482 | EXPECT_THAT(add, IsIntPtrSub(a, b)); |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | |
| 487 | TARGET_TEST_F(InterpreterAssemblerTest, WordShl) { |
| 488 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 489 | InterpreterAssemblerForTest m(this, bytecode); |
| 490 | Node* a = m.Int32Constant(0); |
| 491 | Node* add = m.WordShl(a, 10); |
| 492 | EXPECT_THAT(add, IsWordShl(a, IsInt32Constant(10))); |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | |
| 497 | TARGET_TEST_F(InterpreterAssemblerTest, LoadConstantPoolEntry) { |
| 498 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 499 | InterpreterAssemblerForTest m(this, bytecode); |
| 500 | Node* index = m.Int32Constant(2); |
| 501 | Node* load_constant = m.LoadConstantPoolEntry(index); |
| 502 | Matcher<Node*> constant_pool_matcher = m.IsLoad( |
| 503 | MachineType::AnyTagged(), |
| 504 | IsParameter(Linkage::kInterpreterBytecodeArrayParameter), |
| 505 | IsIntPtrConstant(BytecodeArray::kConstantPoolOffset - kHeapObjectTag)); |
| 506 | EXPECT_THAT( |
| 507 | load_constant, |
| 508 | m.IsLoad(MachineType::AnyTagged(), constant_pool_matcher, |
| 509 | IsIntPtrAdd( |
| 510 | IsIntPtrConstant(FixedArray::kHeaderSize - kHeapObjectTag), |
| 511 | IsWordShl(index, IsInt32Constant(kPointerSizeLog2))))); |
| 512 | } |
| 513 | } |
| 514 | |
| 515 | |
| 516 | TARGET_TEST_F(InterpreterAssemblerTest, LoadFixedArrayElement) { |
| 517 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 518 | InterpreterAssemblerForTest m(this, bytecode); |
| 519 | int index = 3; |
| 520 | Node* fixed_array = m.IntPtrConstant(0xdeadbeef); |
| 521 | Node* load_element = m.LoadFixedArrayElement(fixed_array, index); |
| 522 | EXPECT_THAT( |
| 523 | load_element, |
| 524 | m.IsLoad(MachineType::AnyTagged(), fixed_array, |
| 525 | IsIntPtrAdd( |
| 526 | IsIntPtrConstant(FixedArray::kHeaderSize - kHeapObjectTag), |
| 527 | IsWordShl(IsInt32Constant(index), |
| 528 | IsInt32Constant(kPointerSizeLog2))))); |
| 529 | } |
| 530 | } |
| 531 | |
| 532 | |
| 533 | TARGET_TEST_F(InterpreterAssemblerTest, LoadObjectField) { |
| 534 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 535 | InterpreterAssemblerForTest m(this, bytecode); |
| 536 | Node* object = m.IntPtrConstant(0xdeadbeef); |
| 537 | int offset = 16; |
| 538 | Node* load_field = m.LoadObjectField(object, offset); |
| 539 | EXPECT_THAT(load_field, |
| 540 | m.IsLoad(MachineType::AnyTagged(), object, |
| 541 | IsIntPtrConstant(offset - kHeapObjectTag))); |
| 542 | } |
| 543 | } |
| 544 | |
| 545 | |
| 546 | TARGET_TEST_F(InterpreterAssemblerTest, LoadContextSlot) { |
| 547 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 548 | InterpreterAssemblerForTest m(this, bytecode); |
| 549 | Node* context = m.Int32Constant(1); |
| 550 | Node* slot_index = m.Int32Constant(22); |
| 551 | Node* load_context_slot = m.LoadContextSlot(context, slot_index); |
| 552 | |
| 553 | Matcher<Node*> offset = |
| 554 | IsIntPtrAdd(IsWordShl(slot_index, IsInt32Constant(kPointerSizeLog2)), |
| 555 | IsInt32Constant(Context::kHeaderSize - kHeapObjectTag)); |
| 556 | EXPECT_THAT(load_context_slot, |
| 557 | m.IsLoad(MachineType::AnyTagged(), context, offset)); |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | |
| 562 | TARGET_TEST_F(InterpreterAssemblerTest, StoreContextSlot) { |
| 563 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 564 | InterpreterAssemblerForTest m(this, bytecode); |
| 565 | Node* context = m.Int32Constant(1); |
| 566 | Node* slot_index = m.Int32Constant(22); |
| 567 | Node* value = m.Int32Constant(100); |
| 568 | Node* store_context_slot = m.StoreContextSlot(context, slot_index, value); |
| 569 | |
| 570 | Matcher<Node*> offset = |
| 571 | IsIntPtrAdd(IsWordShl(slot_index, IsInt32Constant(kPointerSizeLog2)), |
| 572 | IsInt32Constant(Context::kHeaderSize - kHeapObjectTag)); |
| 573 | EXPECT_THAT(store_context_slot, |
| 574 | m.IsStore(StoreRepresentation(MachineRepresentation::kTagged, |
| 575 | kFullWriteBarrier), |
| 576 | context, offset, value)); |
| 577 | } |
| 578 | } |
| 579 | |
| 580 | |
| 581 | TARGET_TEST_F(InterpreterAssemblerTest, CallRuntime2) { |
| 582 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 583 | InterpreterAssemblerForTest m(this, bytecode); |
| 584 | Node* arg1 = m.Int32Constant(2); |
| 585 | Node* arg2 = m.Int32Constant(3); |
| 586 | Node* call_runtime = m.CallRuntime(Runtime::kAdd, arg1, arg2); |
| 587 | EXPECT_THAT( |
| 588 | call_runtime, |
| 589 | IsCall(_, _, arg1, arg2, _, IsInt32Constant(2), |
| 590 | IsParameter(Linkage::kInterpreterContextParameter), _, _)); |
| 591 | } |
| 592 | } |
| 593 | |
| 594 | |
| 595 | TARGET_TEST_F(InterpreterAssemblerTest, CallRuntime) { |
| 596 | const int kResultSizes[] = {1, 2}; |
| 597 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 598 | TRACED_FOREACH(int, result_size, kResultSizes) { |
| 599 | InterpreterAssemblerForTest m(this, bytecode); |
| 600 | Callable builtin = CodeFactory::InterpreterCEntry(isolate(), result_size); |
| 601 | |
| 602 | Node* function_id = m.Int32Constant(0); |
| 603 | Node* first_arg = m.Int32Constant(1); |
| 604 | Node* arg_count = m.Int32Constant(2); |
| 605 | |
| 606 | Matcher<Node*> function_table = IsExternalConstant( |
| 607 | ExternalReference::runtime_function_table_address(isolate())); |
| 608 | Matcher<Node*> function = IsIntPtrAdd( |
| 609 | function_table, |
| 610 | IsInt32Mul(function_id, IsInt32Constant(sizeof(Runtime::Function)))); |
| 611 | Matcher<Node*> function_entry = |
| 612 | m.IsLoad(MachineType::Pointer(), function, |
| 613 | IsInt32Constant(offsetof(Runtime::Function, entry))); |
| 614 | |
| 615 | Node* call_runtime = |
| 616 | m.CallRuntime(function_id, first_arg, arg_count, result_size); |
| 617 | EXPECT_THAT( |
| 618 | call_runtime, |
| 619 | IsCall(_, IsHeapConstant(builtin.code()), arg_count, first_arg, |
| 620 | function_entry, |
| 621 | IsParameter(Linkage::kInterpreterContextParameter), _, _)); |
| 622 | } |
| 623 | } |
| 624 | } |
| 625 | |
| 626 | |
| 627 | TARGET_TEST_F(InterpreterAssemblerTest, CallIC) { |
| 628 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 629 | InterpreterAssemblerForTest m(this, bytecode); |
| 630 | LoadWithVectorDescriptor descriptor(isolate()); |
| 631 | Node* target = m.Int32Constant(1); |
| 632 | Node* arg1 = m.Int32Constant(2); |
| 633 | Node* arg2 = m.Int32Constant(3); |
| 634 | Node* arg3 = m.Int32Constant(4); |
| 635 | Node* arg4 = m.Int32Constant(5); |
| 636 | Node* call_ic = m.CallIC(descriptor, target, arg1, arg2, arg3, arg4); |
| 637 | EXPECT_THAT( |
| 638 | call_ic, |
| 639 | IsCall(_, target, arg1, arg2, arg3, arg4, |
| 640 | IsParameter(Linkage::kInterpreterContextParameter), _, _)); |
| 641 | } |
| 642 | } |
| 643 | |
| 644 | |
| 645 | TARGET_TEST_F(InterpreterAssemblerTest, CallJS) { |
| 646 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 647 | InterpreterAssemblerForTest m(this, bytecode); |
| 648 | Callable builtin = CodeFactory::InterpreterPushArgsAndCall(isolate()); |
| 649 | Node* function = m.Int32Constant(0); |
| 650 | Node* first_arg = m.Int32Constant(1); |
| 651 | Node* arg_count = m.Int32Constant(2); |
| 652 | Node* call_js = m.CallJS(function, first_arg, arg_count); |
| 653 | EXPECT_THAT( |
| 654 | call_js, |
| 655 | IsCall(_, IsHeapConstant(builtin.code()), arg_count, first_arg, |
| 656 | function, IsParameter(Linkage::kInterpreterContextParameter), _, |
| 657 | _)); |
| 658 | } |
| 659 | } |
| 660 | |
| 661 | |
| 662 | TARGET_TEST_F(InterpreterAssemblerTest, LoadTypeFeedbackVector) { |
| 663 | TRACED_FOREACH(interpreter::Bytecode, bytecode, kBytecodes) { |
| 664 | InterpreterAssemblerForTest m(this, bytecode); |
| 665 | Node* feedback_vector = m.LoadTypeFeedbackVector(); |
| 666 | |
| 667 | Matcher<Node*> load_function_matcher = |
| 668 | m.IsLoad(MachineType::AnyTagged(), |
| 669 | IsParameter(Linkage::kInterpreterRegisterFileParameter), |
| 670 | IsIntPtrConstant( |
| 671 | InterpreterFrameConstants::kFunctionFromRegisterPointer)); |
| 672 | Matcher<Node*> load_shared_function_info_matcher = |
| 673 | m.IsLoad(MachineType::AnyTagged(), load_function_matcher, |
| 674 | IsIntPtrConstant(JSFunction::kSharedFunctionInfoOffset - |
| 675 | kHeapObjectTag)); |
| 676 | |
| 677 | EXPECT_THAT( |
| 678 | feedback_vector, |
| 679 | m.IsLoad(MachineType::AnyTagged(), load_shared_function_info_matcher, |
| 680 | IsIntPtrConstant(SharedFunctionInfo::kFeedbackVectorOffset - |
| 681 | kHeapObjectTag))); |
| 682 | } |
| 683 | } |
| 684 | |
| 685 | } // namespace compiler |
| 686 | } // namespace internal |
| 687 | } // namespace v8 |