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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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266 shared->start_position(), | 266 shared->start_position(), |
267 &unoptimized); | 267 &unoptimized); |
268 } | 268 } |
269 } | 269 } |
270 | 270 |
271 // Check that the unoptimized, shared code is ready for | 271 // Check that the unoptimized, shared code is ready for |
272 // optimizations. When using the always_opt flag we disregard the | 272 // optimizations. When using the always_opt flag we disregard the |
273 // optimizable marker in the code object and optimize anyway. This | 273 // optimizable marker in the code object and optimize anyway. This |
274 // is safe as long as the unoptimized code has deoptimization | 274 // is safe as long as the unoptimized code has deoptimization |
275 // support. | 275 // support. |
276 ASSERT(FLAG_always_opt || info->shared_info()->code()->optimizable()); | 276 ASSERT(FLAG_always_opt || code->optimizable()); |
277 ASSERT(info->shared_info()->has_deoptimization_support()); | 277 ASSERT(info->shared_info()->has_deoptimization_support()); |
278 | 278 |
279 if (FLAG_trace_hydrogen) { | 279 if (FLAG_trace_hydrogen) { |
280 PrintF("-----------------------------------------------------------\n"); | 280 PrintF("-----------------------------------------------------------\n"); |
281 PrintF("Compiling method %s using hydrogen\n", *name->ToCString()); | 281 PrintF("Compiling method %s using hydrogen\n", *name->ToCString()); |
282 HTracer::Instance()->TraceCompilation(info->function()); | 282 HTracer::Instance()->TraceCompilation(info->function()); |
283 } | 283 } |
284 | 284 |
285 TypeFeedbackOracle oracle( | 285 TypeFeedbackOracle oracle( |
286 Handle<Code>(info->shared_info()->code()), | 286 code, Handle<Context>(info->closure()->context()->global_context())); |
287 Handle<Context>(info->closure()->context()->global_context())); | |
288 HGraphBuilder builder(&oracle); | 287 HGraphBuilder builder(&oracle); |
289 HPhase phase(HPhase::kTotal); | 288 HPhase phase(HPhase::kTotal); |
290 HGraph* graph = builder.CreateGraph(info); | 289 HGraph* graph = builder.CreateGraph(info); |
291 if (Top::has_pending_exception()) { | 290 if (Top::has_pending_exception()) { |
292 info->SetCode(Handle<Code>::null()); | 291 info->SetCode(Handle<Code>::null()); |
293 return false; | 292 return false; |
294 } | 293 } |
295 | 294 |
296 if (graph != NULL && FLAG_build_lithium) { | 295 if (graph != NULL && FLAG_build_lithium) { |
297 Handle<Code> code = graph->Compile(); | 296 Handle<Code> optimized_code = graph->Compile(); |
298 if (!code.is_null()) { | 297 if (!optimized_code.is_null()) { |
299 info->SetCode(code); | 298 info->SetCode(optimized_code); |
300 FinishOptimization(info->closure(), start); | 299 FinishOptimization(info->closure(), start); |
301 return true; | 300 return true; |
302 } | 301 } |
303 } | 302 } |
304 | 303 |
305 // Compilation with the Hydrogen compiler failed. Keep using the | 304 // Compilation with the Hydrogen compiler failed. Keep using the |
306 // shared code but mark it as unoptimizable. | 305 // shared code but mark it as unoptimizable. |
307 AbortAndDisable(info); | 306 AbortAndDisable(info); |
308 // True indicates the compilation pipeline is still going, not necessarily | 307 // True indicates the compilation pipeline is still going, not necessarily |
309 // that we optimized the code. | 308 // that we optimized the code. |
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800 *name)); | 799 *name)); |
801 } | 800 } |
802 } | 801 } |
803 | 802 |
804 GDBJIT(AddCode(name, | 803 GDBJIT(AddCode(name, |
805 Handle<Script>(info->script()), | 804 Handle<Script>(info->script()), |
806 Handle<Code>(info->code()))); | 805 Handle<Code>(info->code()))); |
807 } | 806 } |
808 | 807 |
809 } } // namespace v8::internal | 808 } } // namespace v8::internal |
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