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1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 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/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/factory.h" | 7 #include "src/factory.h" |
8 #include "src/interpreter/bytecode-peephole-optimizer.h" | 8 #include "src/interpreter/bytecode-peephole-optimizer.h" |
9 #include "src/interpreter/constant-array-builder.h" | 9 #include "src/interpreter/constant-array-builder.h" |
10 #include "src/objects-inl.h" | 10 #include "src/objects-inl.h" |
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381 } | 381 } |
382 | 382 |
383 // Tests covering BytecodePeepholeOptimizer::UpdateLastAndCurrentBytecodes(). | 383 // Tests covering BytecodePeepholeOptimizer::UpdateLastAndCurrentBytecodes(). |
384 | 384 |
385 TEST_F(BytecodePeepholeOptimizerTest, MergeLoadICStar) { | 385 TEST_F(BytecodePeepholeOptimizerTest, MergeLoadICStar) { |
386 const uint32_t operands[] = { | 386 const uint32_t operands[] = { |
387 static_cast<uint32_t>(Register(31).ToOperand()), 32, 33, | 387 static_cast<uint32_t>(Register(31).ToOperand()), 32, 33, |
388 static_cast<uint32_t>(Register(256).ToOperand())}; | 388 static_cast<uint32_t>(Register(256).ToOperand())}; |
389 const int expected_operand_count = static_cast<int>(arraysize(operands)); | 389 const int expected_operand_count = static_cast<int>(arraysize(operands)); |
390 | 390 |
391 BytecodeNode first(Bytecode::kLoadIC, operands[0], operands[1], operands[2], | 391 BytecodeNode first(Bytecode::kLdaNamedProperty, operands[0], operands[1], |
392 OperandScale::kSingle); | 392 operands[2], OperandScale::kSingle); |
393 BytecodeNode second(Bytecode::kStar, operands[3], OperandScale::kDouble); | 393 BytecodeNode second(Bytecode::kStar, operands[3], OperandScale::kDouble); |
394 BytecodeNode third(Bytecode::kReturn); | 394 BytecodeNode third(Bytecode::kReturn); |
395 optimizer()->Write(&first); | 395 optimizer()->Write(&first); |
396 optimizer()->Write(&second); | 396 optimizer()->Write(&second); |
397 CHECK_EQ(write_count(), 1); | 397 CHECK_EQ(write_count(), 1); |
398 CHECK_EQ(last_written().bytecode(), Bytecode::kLdrNamedProperty); | 398 CHECK_EQ(last_written().bytecode(), Bytecode::kLdrNamedProperty); |
399 CHECK_EQ(last_written().operand_count(), expected_operand_count); | 399 CHECK_EQ(last_written().operand_count(), expected_operand_count); |
400 for (int i = 0; i < expected_operand_count; ++i) { | 400 for (int i = 0; i < expected_operand_count; ++i) { |
401 CHECK_EQ(last_written().operand(i), operands[i]); | 401 CHECK_EQ(last_written().operand(i), operands[i]); |
402 } | 402 } |
403 CHECK_EQ(last_written().operand_scale(), | 403 CHECK_EQ(last_written().operand_scale(), |
404 std::max(first.operand_scale(), second.operand_scale())); | 404 std::max(first.operand_scale(), second.operand_scale())); |
405 optimizer()->Write(&third); | 405 optimizer()->Write(&third); |
406 CHECK_EQ(write_count(), 2); | 406 CHECK_EQ(write_count(), 2); |
407 CHECK_EQ(last_written().bytecode(), Bytecode::kLdar); | 407 CHECK_EQ(last_written().bytecode(), Bytecode::kLdar); |
408 CHECK_EQ(last_written().operand(0), operands[expected_operand_count - 1]); | 408 CHECK_EQ(last_written().operand(0), operands[expected_operand_count - 1]); |
409 optimizer()->FlushBasicBlock(); | 409 optimizer()->FlushBasicBlock(); |
410 CHECK_EQ(last_written().bytecode(), third.bytecode()); | 410 CHECK_EQ(last_written().bytecode(), third.bytecode()); |
411 } | 411 } |
412 | 412 |
413 TEST_F(BytecodePeepholeOptimizerTest, MergeKeyedLoadICStar) { | 413 TEST_F(BytecodePeepholeOptimizerTest, MergeLdaKeyedPropertyStar) { |
414 const uint32_t operands[] = {static_cast<uint32_t>(Register(31).ToOperand()), | 414 const uint32_t operands[] = {static_cast<uint32_t>(Register(31).ToOperand()), |
415 9999997, | 415 9999997, |
416 static_cast<uint32_t>(Register(1).ToOperand())}; | 416 static_cast<uint32_t>(Register(1).ToOperand())}; |
417 const int expected_operand_count = static_cast<int>(arraysize(operands)); | 417 const int expected_operand_count = static_cast<int>(arraysize(operands)); |
418 | 418 |
419 BytecodeNode first(Bytecode::kKeyedLoadIC, operands[0], operands[1], | 419 BytecodeNode first(Bytecode::kLdaKeyedProperty, operands[0], operands[1], |
420 OperandScale::kQuadruple); | 420 OperandScale::kQuadruple); |
421 BytecodeNode second(Bytecode::kStar, operands[2], OperandScale::kSingle); | 421 BytecodeNode second(Bytecode::kStar, operands[2], OperandScale::kSingle); |
422 BytecodeNode third(Bytecode::kReturn); | 422 BytecodeNode third(Bytecode::kReturn); |
423 optimizer()->Write(&first); | 423 optimizer()->Write(&first); |
424 optimizer()->Write(&second); | 424 optimizer()->Write(&second); |
425 CHECK_EQ(write_count(), 1); | 425 CHECK_EQ(write_count(), 1); |
426 CHECK_EQ(last_written().bytecode(), Bytecode::kLdrKeyedProperty); | 426 CHECK_EQ(last_written().bytecode(), Bytecode::kLdrKeyedProperty); |
427 CHECK_EQ(last_written().operand_count(), expected_operand_count); | 427 CHECK_EQ(last_written().operand_count(), expected_operand_count); |
428 for (int i = 0; i < expected_operand_count; ++i) { | 428 for (int i = 0; i < expected_operand_count; ++i) { |
429 CHECK_EQ(last_written().operand(i), operands[i]); | 429 CHECK_EQ(last_written().operand(i), operands[i]); |
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515 CHECK_EQ(write_count(), 2); | 515 CHECK_EQ(write_count(), 2); |
516 CHECK_EQ(last_written().bytecode(), Bytecode::kLdar); | 516 CHECK_EQ(last_written().bytecode(), Bytecode::kLdar); |
517 CHECK_EQ(last_written().operand(0), operands[expected_operand_count - 1]); | 517 CHECK_EQ(last_written().operand(0), operands[expected_operand_count - 1]); |
518 optimizer()->FlushBasicBlock(); | 518 optimizer()->FlushBasicBlock(); |
519 CHECK_EQ(last_written().bytecode(), third.bytecode()); | 519 CHECK_EQ(last_written().bytecode(), third.bytecode()); |
520 } | 520 } |
521 | 521 |
522 } // namespace interpreter | 522 } // namespace interpreter |
523 } // namespace internal | 523 } // namespace internal |
524 } // namespace v8 | 524 } // namespace v8 |
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