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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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137 void EnableDeoptimizationSupport() { | 137 void EnableDeoptimizationSupport() { |
138 ASSERT(IsOptimizable()); | 138 ASSERT(IsOptimizable()); |
139 supports_deoptimization_ = true; | 139 supports_deoptimization_ = true; |
140 } | 140 } |
141 | 141 |
142 // Determine whether or not we can adaptively optimize. | 142 // Determine whether or not we can adaptively optimize. |
143 bool AllowOptimize() { | 143 bool AllowOptimize() { |
144 return V8::UseCrankshaft() && !closure_.is_null(); | 144 return V8::UseCrankshaft() && !closure_.is_null(); |
145 } | 145 } |
146 | 146 |
| 147 // Disable all optimization attempts of this info for the rest of the |
| 148 // current compilation pipeline. |
| 149 void AbortOptimization(); |
| 150 |
147 private: | 151 private: |
148 Isolate* isolate_; | 152 Isolate* isolate_; |
149 | 153 |
150 // Compilation mode. | 154 // Compilation mode. |
151 // BASE is generated by the full codegen, optionally prepared for bailouts. | 155 // BASE is generated by the full codegen, optionally prepared for bailouts. |
152 // OPTIMIZE is optimized code generated by the Hydrogen-based backend. | 156 // OPTIMIZE is optimized code generated by the Hydrogen-based backend. |
153 // NONOPT is generated by the full codegen or the classic backend | 157 // NONOPT is generated by the full codegen or the classic backend |
154 // and is not prepared for recompilation/bailouts. These functions | 158 // and is not prepared for recompilation/bailouts. These functions |
155 // are never recompiled. | 159 // are never recompiled. |
156 enum Mode { | 160 enum Mode { |
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297 isolate->frame_element_constant_list()->Clear(); | 301 isolate->frame_element_constant_list()->Clear(); |
298 isolate->result_constant_list()->Clear(); | 302 isolate->result_constant_list()->Clear(); |
299 } | 303 } |
300 } | 304 } |
301 }; | 305 }; |
302 | 306 |
303 | 307 |
304 } } // namespace v8::internal | 308 } } // namespace v8::internal |
305 | 309 |
306 #endif // V8_COMPILER_H_ | 310 #endif // V8_COMPILER_H_ |
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