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Issue 1475793003: Reland "[Interpreter] Add CreateClosure to BytecodeGraphBuilder." (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years ago
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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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87 builder.LoadNamedProperty(reg, 2056, 0, LanguageMode::SLOPPY) 87 builder.LoadNamedProperty(reg, 2056, 0, LanguageMode::SLOPPY)
88 .LoadKeyedProperty(reg, 2056, LanguageMode::SLOPPY) 88 .LoadKeyedProperty(reg, 2056, LanguageMode::SLOPPY)
89 .StoreNamedProperty(reg, 0, 2056, LanguageMode::SLOPPY) 89 .StoreNamedProperty(reg, 0, 2056, LanguageMode::SLOPPY)
90 .StoreKeyedProperty(reg, reg, 2056, LanguageMode::SLOPPY) 90 .StoreKeyedProperty(reg, reg, 2056, LanguageMode::SLOPPY)
91 .LoadNamedProperty(reg, 2056, 0, LanguageMode::STRICT) 91 .LoadNamedProperty(reg, 2056, 0, LanguageMode::STRICT)
92 .LoadKeyedProperty(reg, 2056, LanguageMode::STRICT) 92 .LoadKeyedProperty(reg, 2056, LanguageMode::STRICT)
93 .StoreNamedProperty(reg, 0, 2056, LanguageMode::STRICT) 93 .StoreNamedProperty(reg, 0, 2056, LanguageMode::STRICT)
94 .StoreKeyedProperty(reg, reg, 2056, LanguageMode::STRICT); 94 .StoreKeyedProperty(reg, reg, 2056, LanguageMode::STRICT);
95 95
96 // Emit closure operations. 96 // Emit closure operations.
97 builder.CreateClosure(NOT_TENURED); 97 Factory* factory = isolate()->factory();
98 Handle<SharedFunctionInfo> shared_info = factory->NewSharedFunctionInfo(
99 factory->NewStringFromStaticChars("function_a"), MaybeHandle<Code>(),
100 false);
101 builder.CreateClosure(shared_info, NOT_TENURED);
98 102
99 // Emit argument creation operations. 103 // Emit argument creation operations.
100 builder.CreateArguments(CreateArgumentsType::kMappedArguments) 104 builder.CreateArguments(CreateArgumentsType::kMappedArguments)
101 .CreateArguments(CreateArgumentsType::kUnmappedArguments); 105 .CreateArguments(CreateArgumentsType::kUnmappedArguments);
102 106
103 // Emit literal creation operations 107 // Emit literal creation operations
104 builder.CreateRegExpLiteral(0, reg) 108 builder.CreateRegExpLiteral(0, reg)
105 .CreateArrayLiteral(0, 0) 109 .CreateArrayLiteral(0, 0)
106 .CreateObjectLiteral(0, 0); 110 .CreateObjectLiteral(0, 0);
107 111
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208 212
209 builder.ForInPrepare(reg).ForInDone(reg).ForInNext(reg, reg); 213 builder.ForInPrepare(reg).ForInDone(reg).ForInNext(reg, reg);
210 214
211 // Wide constant pool loads 215 // Wide constant pool loads
212 for (int i = 0; i < 256; i++) { 216 for (int i = 0; i < 256; i++) {
213 // Emit junk in constant pool to force wide constant pool index. 217 // Emit junk in constant pool to force wide constant pool index.
214 builder.GetConstantPoolEntry(handle(Smi::FromInt(i), isolate())); 218 builder.GetConstantPoolEntry(handle(Smi::FromInt(i), isolate()));
215 } 219 }
216 builder.LoadLiteral(Smi::FromInt(20000000)); 220 builder.LoadLiteral(Smi::FromInt(20000000));
217 221
222 // CreateClosureWide
223 Handle<SharedFunctionInfo> shared_info2 = factory->NewSharedFunctionInfo(
224 factory->NewStringFromStaticChars("function_b"), MaybeHandle<Code>(),
225 false);
226 builder.CreateClosure(shared_info2, NOT_TENURED);
227
218 builder.Return(); 228 builder.Return();
219 229
220 // Generate BytecodeArray. 230 // Generate BytecodeArray.
221 Handle<BytecodeArray> the_array = builder.ToBytecodeArray(); 231 Handle<BytecodeArray> the_array = builder.ToBytecodeArray();
222 CHECK_EQ(the_array->frame_size(), 232 CHECK_EQ(the_array->frame_size(),
223 builder.fixed_register_count() * kPointerSize); 233 builder.fixed_register_count() * kPointerSize);
224 234
225 // Build scorecard of bytecodes encountered in the BytecodeArray. 235 // Build scorecard of bytecodes encountered in the BytecodeArray.
226 std::vector<int> scorecard(Bytecodes::ToByte(Bytecode::kLast) + 1); 236 std::vector<int> scorecard(Bytecodes::ToByte(Bytecode::kLast) + 1);
227 Bytecode final_bytecode = Bytecode::kLdaZero; 237 Bytecode final_bytecode = Bytecode::kLdaZero;
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706 716
707 CHECK_EQ(iterator.current_bytecode(), Bytecode::kReturn); 717 CHECK_EQ(iterator.current_bytecode(), Bytecode::kReturn);
708 iterator.Advance(); 718 iterator.Advance();
709 CHECK(iterator.done()); 719 CHECK(iterator.done());
710 } 720 }
711 721
712 722
713 } // namespace interpreter 723 } // namespace interpreter
714 } // namespace internal 724 } // namespace internal
715 } // namespace v8 725 } // namespace v8
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