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Issue 1063513003: [turbofan] Optimize loads from the global object in JSTypeFeedbackSpecializer. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 8 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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/compiler.h" 5 #include "src/compiler.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 8
9 #include "src/ast-numbering.h" 9 #include "src/ast-numbering.h"
10 #include "src/bootstrapper.h" 10 #include "src/bootstrapper.h"
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393 info()->MarkAsContextSpecializing(); 393 info()->MarkAsContextSpecializing();
394 } else if (FLAG_turbo_type_feedback) { 394 } else if (FLAG_turbo_type_feedback) {
395 info()->MarkAsTypeFeedbackEnabled(); 395 info()->MarkAsTypeFeedbackEnabled();
396 info()->EnsureFeedbackVector(); 396 info()->EnsureFeedbackVector();
397 } 397 }
398 398
399 Timer t(this, &time_taken_to_create_graph_); 399 Timer t(this, &time_taken_to_create_graph_);
400 compiler::Pipeline pipeline(info()); 400 compiler::Pipeline pipeline(info());
401 pipeline.GenerateCode(); 401 pipeline.GenerateCode();
402 if (!info()->code().is_null()) { 402 if (!info()->code().is_null()) {
403 info()->dependencies()->Commit(info()->code());
403 return SetLastStatus(SUCCEEDED); 404 return SetLastStatus(SUCCEEDED);
404 } 405 }
405 } 406 }
406 407
407 // Do not use Crankshaft if the code is intended to be serialized. 408 // Do not use Crankshaft if the code is intended to be serialized.
408 if (!isolate()->use_crankshaft()) return SetLastStatus(FAILED); 409 if (!isolate()->use_crankshaft()) return SetLastStatus(FAILED);
409 410
410 if (FLAG_trace_opt) { 411 if (FLAG_trace_opt) {
411 OFStream os(stdout); 412 OFStream os(stdout);
412 os << "[compiling method " << Brief(*info()->closure()) 413 os << "[compiling method " << Brief(*info()->closure())
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1541 } 1542 }
1542 1543
1543 1544
1544 #if DEBUG 1545 #if DEBUG
1545 void CompilationInfo::PrintAstForTesting() { 1546 void CompilationInfo::PrintAstForTesting() {
1546 PrintF("--- Source from AST ---\n%s\n", 1547 PrintF("--- Source from AST ---\n%s\n",
1547 PrettyPrinter(isolate(), zone()).PrintProgram(function())); 1548 PrettyPrinter(isolate(), zone()).PrintProgram(function()));
1548 } 1549 }
1549 #endif 1550 #endif
1550 } } // namespace v8::internal 1551 } } // namespace v8::internal
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