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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/arguments.h" | 7 #include "src/arguments.h" |
8 #include "src/deoptimizer.h" | 8 #include "src/deoptimizer.h" |
9 #include "src/full-codegen.h" | 9 #include "src/full-codegen.h" |
10 #include "src/natives.h" | 10 #include "src/natives.h" |
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55 CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0); | 55 CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0); |
56 // The following two assertions are lifted from the DCHECKs inside | 56 // The following two assertions are lifted from the DCHECKs inside |
57 // JSFunction::MarkForOptimization(). | 57 // JSFunction::MarkForOptimization(). |
58 RUNTIME_ASSERT(!function->shared()->is_generator()); | 58 RUNTIME_ASSERT(!function->shared()->is_generator()); |
59 RUNTIME_ASSERT(function->shared()->allows_lazy_compilation() || | 59 RUNTIME_ASSERT(function->shared()->allows_lazy_compilation() || |
60 (function->code()->kind() == Code::FUNCTION && | 60 (function->code()->kind() == Code::FUNCTION && |
61 function->code()->optimizable())); | 61 function->code()->optimizable())); |
62 | 62 |
63 if (!isolate->use_crankshaft()) return isolate->heap()->undefined_value(); | 63 if (!isolate->use_crankshaft()) return isolate->heap()->undefined_value(); |
64 | 64 |
65 // If the function is optimized, just return. | 65 // If the function is already optimized, just return. |
66 if (function->IsOptimized()) return isolate->heap()->undefined_value(); | 66 if (function->IsOptimized()) return isolate->heap()->undefined_value(); |
67 | 67 |
| 68 // If the function cannot optimized, just return. |
| 69 if (function->shared()->optimization_disabled()) { |
| 70 return isolate->heap()->undefined_value(); |
| 71 } |
| 72 |
68 function->MarkForOptimization(); | 73 function->MarkForOptimization(); |
69 | 74 |
70 Code* unoptimized = function->shared()->code(); | 75 Code* unoptimized = function->shared()->code(); |
71 if (args.length() == 2 && unoptimized->kind() == Code::FUNCTION) { | 76 if (args.length() == 2 && unoptimized->kind() == Code::FUNCTION) { |
72 CONVERT_ARG_HANDLE_CHECKED(String, type, 1); | 77 CONVERT_ARG_HANDLE_CHECKED(String, type, 1); |
73 if (type->IsOneByteEqualTo(STATIC_CHAR_VECTOR("osr")) && FLAG_use_osr) { | 78 if (type->IsOneByteEqualTo(STATIC_CHAR_VECTOR("osr")) && FLAG_use_osr) { |
74 // Start patching from the currently patched loop nesting level. | 79 // Start patching from the currently patched loop nesting level. |
75 DCHECK(BackEdgeTable::Verify(isolate, unoptimized)); | 80 DCHECK(BackEdgeTable::Verify(isolate, unoptimized)); |
76 isolate->runtime_profiler()->AttemptOnStackReplacement( | 81 isolate->runtime_profiler()->AttemptOnStackReplacement( |
77 *function, Code::kMaxLoopNestingMarker); | 82 *function, Code::kMaxLoopNestingMarker); |
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403 RUNTIME_FUNCTION(Runtime_HasFixed##Type##Elements) { \ | 408 RUNTIME_FUNCTION(Runtime_HasFixed##Type##Elements) { \ |
404 CONVERT_ARG_CHECKED(JSObject, obj, 0); \ | 409 CONVERT_ARG_CHECKED(JSObject, obj, 0); \ |
405 return isolate->heap()->ToBoolean(obj->HasFixed##Type##Elements()); \ | 410 return isolate->heap()->ToBoolean(obj->HasFixed##Type##Elements()); \ |
406 } | 411 } |
407 | 412 |
408 TYPED_ARRAYS(FIXED_TYPED_ARRAYS_CHECK_RUNTIME_FUNCTION) | 413 TYPED_ARRAYS(FIXED_TYPED_ARRAYS_CHECK_RUNTIME_FUNCTION) |
409 | 414 |
410 #undef FIXED_TYPED_ARRAYS_CHECK_RUNTIME_FUNCTION | 415 #undef FIXED_TYPED_ARRAYS_CHECK_RUNTIME_FUNCTION |
411 } | 416 } |
412 } // namespace v8::internal | 417 } // namespace v8::internal |
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