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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/v8.h" | 5 #include "src/v8.h" |
| 6 | 6 |
| 7 #include "src/interpreter/bytecode-array-builder.h" | 7 #include "src/interpreter/bytecode-array-builder.h" |
| 8 #include "src/interpreter/bytecode-array-iterator.h" | 8 #include "src/interpreter/bytecode-array-iterator.h" |
| 9 #include "test/unittests/test-utils.h" | 9 #include "test/unittests/test-utils.h" |
| 10 | 10 |
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| 238 factory->NewStringFromStaticChars("function_b"), MaybeHandle<Code>(), | 238 factory->NewStringFromStaticChars("function_b"), MaybeHandle<Code>(), |
| 239 false); | 239 false); |
| 240 builder.CreateClosure(shared_info2, NOT_TENURED); | 240 builder.CreateClosure(shared_info2, NOT_TENURED); |
| 241 | 241 |
| 242 // Emit wide variant of literal creation operations. | 242 // Emit wide variant of literal creation operations. |
| 243 builder.CreateRegExpLiteral(factory->NewStringFromStaticChars("wide_literal"), | 243 builder.CreateRegExpLiteral(factory->NewStringFromStaticChars("wide_literal"), |
| 244 0, 0) | 244 0, 0) |
| 245 .CreateArrayLiteral(factory->NewFixedArray(2), 0, 0) | 245 .CreateArrayLiteral(factory->NewFixedArray(2), 0, 0) |
| 246 .CreateObjectLiteral(factory->NewFixedArray(2), 0, 0); | 246 .CreateObjectLiteral(factory->NewFixedArray(2), 0, 0); |
| 247 | 247 |
| 248 // Longer jumps requiring ConstantWide operand |
| 249 builder.Jump(&start).JumpIfNull(&start).JumpIfUndefined(&start); |
| 250 // Perform an operation that returns boolean value to |
| 251 // generate JumpIfTrue/False |
| 252 builder.CompareOperation(Token::Value::EQ, reg, Strength::WEAK) |
| 253 .JumpIfTrue(&start) |
| 254 .CompareOperation(Token::Value::EQ, reg, Strength::WEAK) |
| 255 .JumpIfFalse(&start); |
| 256 // Perform an operation that returns a non-boolean operation to |
| 257 // generate JumpIfToBooleanTrue/False. |
| 258 builder.BinaryOperation(Token::Value::ADD, reg, Strength::WEAK) |
| 259 .JumpIfTrue(&start) |
| 260 .BinaryOperation(Token::Value::ADD, reg, Strength::WEAK) |
| 261 .JumpIfFalse(&start); |
| 262 |
| 248 builder.Return(); | 263 builder.Return(); |
| 249 | 264 |
| 250 // Generate BytecodeArray. | 265 // Generate BytecodeArray. |
| 251 Handle<BytecodeArray> the_array = builder.ToBytecodeArray(); | 266 Handle<BytecodeArray> the_array = builder.ToBytecodeArray(); |
| 252 CHECK_EQ(the_array->frame_size(), | 267 CHECK_EQ(the_array->frame_size(), |
| 253 builder.fixed_register_count() * kPointerSize); | 268 builder.fixed_register_count() * kPointerSize); |
| 254 | 269 |
| 255 // Build scorecard of bytecodes encountered in the BytecodeArray. | 270 // Build scorecard of bytecodes encountered in the BytecodeArray. |
| 256 std::vector<int> scorecard(Bytecodes::ToByte(Bytecode::kLast) + 1); | 271 std::vector<int> scorecard(Bytecodes::ToByte(Bytecode::kLast) + 1); |
| 257 Bytecode final_bytecode = Bytecode::kLdaZero; | 272 Bytecode final_bytecode = Bytecode::kLdaZero; |
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| 671 iterator.Advance(); | 686 iterator.Advance(); |
| 672 CHECK_EQ(iterator.current_bytecode(), Bytecode::kJump); | 687 CHECK_EQ(iterator.current_bytecode(), Bytecode::kJump); |
| 673 CHECK_EQ(iterator.GetImmediateOperand(0), -2); | 688 CHECK_EQ(iterator.GetImmediateOperand(0), -2); |
| 674 iterator.Advance(); | 689 iterator.Advance(); |
| 675 } | 690 } |
| 676 CHECK_EQ(iterator.current_bytecode(), Bytecode::kReturn); | 691 CHECK_EQ(iterator.current_bytecode(), Bytecode::kReturn); |
| 677 iterator.Advance(); | 692 iterator.Advance(); |
| 678 CHECK(iterator.done()); | 693 CHECK(iterator.done()); |
| 679 } | 694 } |
| 680 | 695 |
| 696 |
| 681 } // namespace interpreter | 697 } // namespace interpreter |
| 682 } // namespace internal | 698 } // namespace internal |
| 683 } // namespace v8 | 699 } // namespace v8 |
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