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Issue 1587033002: [Interpreter] Ensure we always have an outer register allocation scope. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@int_mythri
Patch Set: Similarity 20 Created 4 years, 11 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved. 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 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/compiler.h" 7 #include "src/compiler.h"
8 #include "src/interpreter/bytecode-array-iterator.h" 8 #include "src/interpreter/bytecode-array-iterator.h"
9 #include "src/interpreter/bytecode-generator.h" 9 #include "src/interpreter/bytecode-generator.h"
10 #include "src/interpreter/interpreter.h" 10 #include "src/interpreter/interpreter.h"
(...skipping 5299 matching lines...) Expand 10 before | Expand all | Expand 10 after
5310 B(LdaUndefined), // 5310 B(LdaUndefined), //
5311 B(Return), // 5311 B(Return), //
5312 }, 5312 },
5313 1, 5313 1,
5314 {InstanceType::FIXED_ARRAY_TYPE}}, 5314 {InstanceType::FIXED_ARRAY_TYPE}},
5315 {"var x = { 'a': 1, 'b': 2 };\n" 5315 {"var x = { 'a': 1, 'b': 2 };\n"
5316 "for (x['a'] in [10, 20, 30]) {\n" 5316 "for (x['a'] in [10, 20, 30]) {\n"
5317 " if (x['a'] == 10) continue;\n" 5317 " if (x['a'] == 10) continue;\n"
5318 " if (x['a'] == 20) break;\n" 5318 " if (x['a'] == 20) break;\n"
5319 "}", 5319 "}",
5320 9 * kPointerSize, 5320 8 * kPointerSize,
5321 1, 5321 1,
5322 94, 5322 94,
5323 { 5323 {
5324 B(CreateObjectLiteral), U8(0), U8(0), U8(deep_elements_flags), // 5324 B(CreateObjectLiteral), U8(0), U8(0), U8(deep_elements_flags), //
5325 B(Star), R(0), // 5325 B(Star), R(0), //
5326 B(CreateArrayLiteral), U8(1), U8(1), U8(simple_flags), // 5326 B(CreateArrayLiteral), U8(1), U8(1), U8(simple_flags), //
5327 B(JumpIfUndefined), U8(82), // 5327 B(JumpIfUndefined), U8(82), //
5328 B(JumpIfNull), U8(80), // 5328 B(JumpIfNull), U8(80), //
5329 B(ToObject), // 5329 B(ToObject), //
5330 B(JumpIfNull), U8(77), // 5330 B(JumpIfNull), U8(77), //
5331 B(Star), R(1), // 5331 B(Star), R(1), //
5332 B(ForInPrepare), R(2), R(3), R(4), // 5332 B(ForInPrepare), R(2), R(3), R(4), //
5333 B(LdaZero), // 5333 B(LdaZero), //
5334 B(Star), R(5), // 5334 B(Star), R(5), //
5335 B(ForInDone), R(5), R(4), // 5335 B(ForInDone), R(5), R(4), //
5336 B(JumpIfTrue), U8(63), // 5336 B(JumpIfTrue), U8(63), //
5337 B(ForInNext), R(1), R(2), R(3), R(5), // 5337 B(ForInNext), R(1), R(2), R(3), R(5), //
5338 B(JumpIfUndefined), U8(50), // 5338 B(JumpIfUndefined), U8(50), //
5339 B(Star), R(6), // 5339 B(Star), R(6), //
5340 B(Ldar), R(0), // 5340 B(Ldar), R(0), //
5341 B(Star), R(7), // 5341 B(Star), R(7), //
5342 B(Ldar), R(6), // 5342 B(Ldar), R(6), //
5343 B(StoreICSloppy), R(7), U8(2), U8(vector->GetIndex(slot4)), // 5343 B(StoreICSloppy), R(7), U8(2), U8(vector->GetIndex(slot4)), //
5344 B(Ldar), R(0), // 5344 B(Ldar), R(0), //
5345 B(Star), R(6), // 5345 B(Star), R(6), //
5346 B(LoadICSloppy), R(6), U8(2), U8(vector->GetIndex(slot2)), // 5346 B(LoadICSloppy), R(6), U8(2), U8(vector->GetIndex(slot2)), //
5347 B(Star), R(8), // 5347 B(Star), R(7), //
5348 B(LdaSmi8), U8(10), // 5348 B(LdaSmi8), U8(10), //
5349 B(TestEqual), R(8), // 5349 B(TestEqual), R(7), //
5350 B(JumpIfFalse), U8(4), // 5350 B(JumpIfFalse), U8(4), //
5351 B(Jump), U8(20), // 5351 B(Jump), U8(20), //
5352 B(Ldar), R(0), // 5352 B(Ldar), R(0), //
5353 B(Star), R(6), // 5353 B(Star), R(6), //
5354 B(LoadICSloppy), R(6), U8(2), U8(vector->GetIndex(slot3)), // 5354 B(LoadICSloppy), R(6), U8(2), U8(vector->GetIndex(slot3)), //
5355 B(Star), R(8), // 5355 B(Star), R(7), //
5356 B(LdaSmi8), U8(20), // 5356 B(LdaSmi8), U8(20), //
5357 B(TestEqual), R(8), // 5357 B(TestEqual), R(7), //
5358 B(JumpIfFalse), U8(4), // 5358 B(JumpIfFalse), U8(4), //
5359 B(Jump), U8(8), // 5359 B(Jump), U8(8), //
5360 B(ForInStep), R(5), // 5360 B(ForInStep), R(5), //
5361 B(Star), R(5), // 5361 B(Star), R(5), //
5362 B(Jump), U8(-64), // 5362 B(Jump), U8(-64), //
5363 B(LdaUndefined), // 5363 B(LdaUndefined), //
5364 B(Return), // 5364 B(Return), //
5365 }, 5365 },
5366 3, 5366 3,
5367 {InstanceType::FIXED_ARRAY_TYPE, InstanceType::FIXED_ARRAY_TYPE, 5367 {InstanceType::FIXED_ARRAY_TYPE, InstanceType::FIXED_ARRAY_TYPE,
(...skipping 1350 matching lines...) Expand 10 before | Expand all | Expand 10 after
6718 std::string(function_epilogue); 6718 std::string(function_epilogue);
6719 Handle<BytecodeArray> bytecode_array = 6719 Handle<BytecodeArray> bytecode_array =
6720 helper.MakeBytecode(script.c_str(), "t", "f"); 6720 helper.MakeBytecode(script.c_str(), "t", "f");
6721 CheckBytecodeArrayEqual(snippets[i], bytecode_array); 6721 CheckBytecodeArrayEqual(snippets[i], bytecode_array);
6722 } 6722 }
6723 } 6723 }
6724 6724
6725 } // namespace interpreter 6725 } // namespace interpreter
6726 } // namespace internal 6726 } // namespace internal
6727 } // namespace v8 6727 } // namespace v8
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