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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 // 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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| 315 Object* object = feedback_vector->Get(slot_for_a); | 315 Object* object = feedback_vector->Get(slot_for_a); |
| 316 CHECK(object->IsWeakCell() && | 316 CHECK(object->IsWeakCell() && |
| 317 WeakCell::cast(object)->value()->IsJSFunction()); | 317 WeakCell::cast(object)->value()->IsJSFunction()); |
| 318 | 318 |
| 319 CompileRun("%OptimizeFunctionOnNextCall(f); f(fun1);"); | 319 CompileRun("%OptimizeFunctionOnNextCall(f); f(fun1);"); |
| 320 | 320 |
| 321 // Verify that the feedback is still "gathered" despite a recompilation | 321 // Verify that the feedback is still "gathered" despite a recompilation |
| 322 // of the full code. | 322 // of the full code. |
| 323 CHECK(f->IsOptimized()); | 323 CHECK(f->IsOptimized()); |
| 324 // If the baseline code is bytecode, then it will not have deoptimization | 324 // If the baseline code is bytecode, then it will not have deoptimization |
| 325 // support. has_deoptimization_support() check is only required if the | 325 // support. The has_deoptimization_support() check is only required if the |
| 326 // baseline code is from fullcodegen. | 326 // baseline code is from fullcodegen. |
| 327 CHECK(f->shared()->has_deoptimization_support() || i::FLAG_ignition); | 327 CHECK(f->shared()->has_deoptimization_support() || i::FLAG_ignition || |
| 328 i::FLAG_turbo); |
| 328 object = f->feedback_vector()->Get(slot_for_a); | 329 object = f->feedback_vector()->Get(slot_for_a); |
| 329 CHECK(object->IsWeakCell() && | 330 CHECK(object->IsWeakCell() && |
| 330 WeakCell::cast(object)->value()->IsJSFunction()); | 331 WeakCell::cast(object)->value()->IsJSFunction()); |
| 331 } | 332 } |
| 332 | 333 |
| 333 | 334 |
| 334 TEST(FeedbackVectorUnaffectedByScopeChanges) { | 335 TEST(FeedbackVectorUnaffectedByScopeChanges) { |
| 335 if (i::FLAG_always_opt || !i::FLAG_lazy || | 336 if (i::FLAG_always_opt || !i::FLAG_lazy || |
| 336 (FLAG_ignition && FLAG_ignition_eager)) { | 337 (FLAG_ignition && FLAG_ignition_eager)) { |
| 337 return; | 338 return; |
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| 714 CompileRun("foo()"); | 715 CompileRun("foo()"); |
| 715 CHECK_EQ(2, foo->feedback_vector()->invocation_count()); | 716 CHECK_EQ(2, foo->feedback_vector()->invocation_count()); |
| 716 CompileRun("bar()"); | 717 CompileRun("bar()"); |
| 717 CHECK_EQ(2, foo->feedback_vector()->invocation_count()); | 718 CHECK_EQ(2, foo->feedback_vector()->invocation_count()); |
| 718 CompileRun("foo(); foo()"); | 719 CompileRun("foo(); foo()"); |
| 719 CHECK_EQ(4, foo->feedback_vector()->invocation_count()); | 720 CHECK_EQ(4, foo->feedback_vector()->invocation_count()); |
| 720 CompileRun("%BaselineFunctionOnNextCall(foo);"); | 721 CompileRun("%BaselineFunctionOnNextCall(foo);"); |
| 721 CompileRun("foo();"); | 722 CompileRun("foo();"); |
| 722 CHECK_EQ(5, foo->feedback_vector()->invocation_count()); | 723 CHECK_EQ(5, foo->feedback_vector()->invocation_count()); |
| 723 } | 724 } |
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