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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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| 8079 | 8079 | 
| 8080   Handle<JSFunction> function = args.at<JSFunction>(0); | 8080   Handle<JSFunction> function = args.at<JSFunction>(0); | 
| 8081 #ifdef DEBUG | 8081 #ifdef DEBUG | 
| 8082   if (FLAG_trace_lazy && !function->shared()->is_compiled()) { | 8082   if (FLAG_trace_lazy && !function->shared()->is_compiled()) { | 
| 8083     PrintF("[lazy: "); | 8083     PrintF("[lazy: "); | 
| 8084     function->PrintName(); | 8084     function->PrintName(); | 
| 8085     PrintF("]\n"); | 8085     PrintF("]\n"); | 
| 8086   } | 8086   } | 
| 8087 #endif | 8087 #endif | 
| 8088 | 8088 | 
| 8089   // Compile the target function.  Here we compile using CompileLazyInLoop in | 8089   // Compile the target function. | 
| 8090   // order to get the optimized version.  This helps code like delta-blue |  | 
| 8091   // that calls performance-critical routines through constructors.  A |  | 
| 8092   // constructor call doesn't use a CallIC, it uses a LoadIC followed by a |  | 
| 8093   // direct call.  Since the in-loop tracking takes place through CallICs |  | 
| 8094   // this means that things called through constructors are never known to |  | 
| 8095   // be in loops.  We compile them as if they are in loops here just in case. |  | 
| 8096   ASSERT(!function->is_compiled()); | 8090   ASSERT(!function->is_compiled()); | 
| 8097   if (!CompileLazyInLoop(function, KEEP_EXCEPTION)) { | 8091   if (!CompileLazy(function, KEEP_EXCEPTION)) { | 
| 8098     return Failure::Exception(); | 8092     return Failure::Exception(); | 
| 8099   } | 8093   } | 
| 8100 | 8094 | 
| 8101   // All done. Return the compiled code. | 8095   // All done. Return the compiled code. | 
| 8102   ASSERT(function->is_compiled()); | 8096   ASSERT(function->is_compiled()); | 
| 8103   return function->code(); | 8097   return function->code(); | 
| 8104 } | 8098 } | 
| 8105 | 8099 | 
| 8106 | 8100 | 
| 8107 RUNTIME_FUNCTION(MaybeObject*, Runtime_LazyRecompile) { | 8101 RUNTIME_FUNCTION(MaybeObject*, Runtime_LazyRecompile) { | 
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| 13099   } else { | 13093   } else { | 
| 13100     // Handle last resort GC and make sure to allow future allocations | 13094     // Handle last resort GC and make sure to allow future allocations | 
| 13101     // to grow the heap without causing GCs (if possible). | 13095     // to grow the heap without causing GCs (if possible). | 
| 13102     isolate->counters()->gc_last_resort_from_js()->Increment(); | 13096     isolate->counters()->gc_last_resort_from_js()->Increment(); | 
| 13103     isolate->heap()->CollectAllGarbage(false); | 13097     isolate->heap()->CollectAllGarbage(false); | 
| 13104   } | 13098   } | 
| 13105 } | 13099 } | 
| 13106 | 13100 | 
| 13107 | 13101 | 
| 13108 } }  // namespace v8::internal | 13102 } }  // namespace v8::internal | 
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