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Issue 2558093005: [turbofan] Add and use bytecode loop assigment analysis (Closed)
Patch Set: Fix build Created 4 years 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/bytecode-analysis.h" 7 #include "src/compiler/bytecode-analysis.h"
8 #include "src/interpreter/bytecode-array-builder.h" 8 #include "src/interpreter/bytecode-array-builder.h"
9 #include "src/interpreter/bytecode-array-iterator.h" 9 #include "src/interpreter/bytecode-array-iterator.h"
10 #include "src/interpreter/bytecode-decoder.h" 10 #include "src/interpreter/bytecode-decoder.h"
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50 } 50 }
51 } 51 }
52 return out; 52 return out;
53 } 53 }
54 54
55 void EnsureLivenessMatches( 55 void EnsureLivenessMatches(
56 Handle<BytecodeArray> bytecode, 56 Handle<BytecodeArray> bytecode,
57 const std::vector<std::pair<std::string, std::string>>& 57 const std::vector<std::pair<std::string, std::string>>&
58 expected_liveness) { 58 expected_liveness) {
59 BytecodeAnalysis analysis(bytecode, zone(), true); 59 BytecodeAnalysis analysis(bytecode, zone(), true);
60 analysis.Analyze(); 60 analysis.Analyze(BailoutId::None());
61 61
62 interpreter::BytecodeArrayIterator iterator(bytecode); 62 interpreter::BytecodeArrayIterator iterator(bytecode);
63 for (auto liveness : expected_liveness) { 63 for (auto liveness : expected_liveness) {
64 std::stringstream ss; 64 std::stringstream ss;
65 ss << std::setw(4) << iterator.current_offset() << " : "; 65 ss << std::setw(4) << iterator.current_offset() << " : ";
66 iterator.PrintTo(ss); 66 iterator.PrintTo(ss);
67 67
68 EXPECT_EQ(liveness.first, ToLivenessString(analysis.GetInLivenessFor( 68 EXPECT_EQ(liveness.first, ToLivenessString(analysis.GetInLivenessFor(
69 iterator.current_offset()))) 69 iterator.current_offset())))
70 << " at bytecode " << ss.str(); 70 << " at bytecode " << ss.str();
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408 expected_liveness.emplace_back("...L", "...."); 408 expected_liveness.emplace_back("...L", "....");
409 409
410 Handle<BytecodeArray> bytecode = builder.ToBytecodeArray(isolate()); 410 Handle<BytecodeArray> bytecode = builder.ToBytecodeArray(isolate());
411 411
412 EnsureLivenessMatches(bytecode, expected_liveness); 412 EnsureLivenessMatches(bytecode, expected_liveness);
413 } 413 }
414 414
415 } // namespace compiler 415 } // namespace compiler
416 } // namespace internal 416 } // namespace internal
417 } // namespace v8 417 } // namespace v8
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