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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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3305 Handle<JSObject> o = | 3305 Handle<JSObject> o = |
3306 v8::Utils::OpenHandle(*v8::Handle<v8::Object>::Cast(res)); | 3306 v8::Utils::OpenHandle(*v8::Handle<v8::Object>::Cast(res)); |
3307 CHECK(CcTest::heap()->InOldSpace(*o)); | 3307 CHECK(CcTest::heap()->InOldSpace(*o)); |
3308 CHECK(CcTest::heap()->InOldSpace(*double_array_handle_1)); | 3308 CHECK(CcTest::heap()->InOldSpace(*double_array_handle_1)); |
3309 CHECK(CcTest::heap()->InOldSpace(double_array_handle_1->elements())); | 3309 CHECK(CcTest::heap()->InOldSpace(double_array_handle_1->elements())); |
3310 CHECK(CcTest::heap()->InOldSpace(*double_array_handle_2)); | 3310 CHECK(CcTest::heap()->InOldSpace(*double_array_handle_2)); |
3311 CHECK(CcTest::heap()->InOldSpace(double_array_handle_2->elements())); | 3311 CHECK(CcTest::heap()->InOldSpace(double_array_handle_2->elements())); |
3312 } | 3312 } |
3313 | 3313 |
3314 | 3314 |
3315 // Make sure pretenuring feedback is gathered for constructed objects as well | |
3316 // as for literals. | |
3317 TEST(OptimizedPretenuringConstructorCalls) { | |
3318 if (!i::FLAG_pretenuring_call_new) { | |
3319 // FLAG_pretenuring_call_new needs to be synced with the snapshot. | |
3320 return; | |
3321 } | |
3322 i::FLAG_allow_natives_syntax = true; | |
3323 i::FLAG_expose_gc = true; | |
3324 CcTest::InitializeVM(); | |
3325 if (!CcTest::i_isolate()->use_crankshaft() || i::FLAG_always_opt) return; | |
3326 if (i::FLAG_gc_global || i::FLAG_stress_compaction) return; | |
3327 v8::HandleScope scope(CcTest::isolate()); | |
3328 | |
3329 // Grow new space unitl maximum capacity reached. | |
3330 while (!CcTest::heap()->new_space()->IsAtMaximumCapacity()) { | |
3331 CcTest::heap()->new_space()->Grow(); | |
3332 } | |
3333 | |
3334 i::ScopedVector<char> source(1024); | |
3335 // Call new is doing slack tracking for the first | |
3336 // JSFunction::kGenerousAllocationCount allocations, and we can't find | |
3337 // mementos during that time. | |
3338 i::SNPrintF( | |
3339 source, | |
3340 "var number_elements = %d;" | |
3341 "var elements = new Array(number_elements);" | |
3342 "function foo() {" | |
3343 " this.a = 3;" | |
3344 " this.b = {};" | |
3345 "}" | |
3346 "function f() {" | |
3347 " for (var i = 0; i < number_elements; i++) {" | |
3348 " elements[i] = new foo();" | |
3349 " }" | |
3350 " return elements[number_elements - 1];" | |
3351 "};" | |
3352 "f(); gc();" | |
3353 "f(); f();" | |
3354 "%%OptimizeFunctionOnNextCall(f);" | |
3355 "f();", | |
3356 AllocationSite::kPretenureMinimumCreated + | |
3357 JSFunction::kGenerousAllocationCount); | |
3358 | |
3359 v8::Local<v8::Value> res = CompileRun(source.start()); | |
3360 | |
3361 Handle<JSObject> o = | |
3362 v8::Utils::OpenHandle(*v8::Handle<v8::Object>::Cast(res)); | |
3363 | |
3364 CHECK(CcTest::heap()->InOldSpace(*o)); | |
3365 } | |
3366 | |
3367 | |
3368 TEST(OptimizedPretenuringCallNew) { | |
3369 if (!i::FLAG_pretenuring_call_new) { | |
3370 // FLAG_pretenuring_call_new needs to be synced with the snapshot. | |
3371 return; | |
3372 } | |
3373 i::FLAG_allow_natives_syntax = true; | |
3374 i::FLAG_expose_gc = true; | |
3375 CcTest::InitializeVM(); | |
3376 if (!CcTest::i_isolate()->use_crankshaft() || i::FLAG_always_opt) return; | |
3377 if (i::FLAG_gc_global || i::FLAG_stress_compaction) return; | |
3378 v8::HandleScope scope(CcTest::isolate()); | |
3379 | |
3380 // Grow new space unitl maximum capacity reached. | |
3381 while (!CcTest::heap()->new_space()->IsAtMaximumCapacity()) { | |
3382 CcTest::heap()->new_space()->Grow(); | |
3383 } | |
3384 | |
3385 i::ScopedVector<char> source(1024); | |
3386 // Call new is doing slack tracking for the first | |
3387 // JSFunction::kGenerousAllocationCount allocations, and we can't find | |
3388 // mementos during that time. | |
3389 i::SNPrintF( | |
3390 source, | |
3391 "var number_elements = %d;" | |
3392 "var elements = new Array(number_elements);" | |
3393 "function g() { this.a = 0; }" | |
3394 "function f() {" | |
3395 " for (var i = 0; i < number_elements; i++) {" | |
3396 " elements[i] = new g();" | |
3397 " }" | |
3398 " return elements[number_elements - 1];" | |
3399 "};" | |
3400 "f(); gc();" | |
3401 "f(); f();" | |
3402 "%%OptimizeFunctionOnNextCall(f);" | |
3403 "f();", | |
3404 AllocationSite::kPretenureMinimumCreated + | |
3405 JSFunction::kGenerousAllocationCount); | |
3406 | |
3407 v8::Local<v8::Value> res = CompileRun(source.start()); | |
3408 | |
3409 Handle<JSObject> o = | |
3410 v8::Utils::OpenHandle(*v8::Handle<v8::Object>::Cast(res)); | |
3411 CHECK(CcTest::heap()->InOldSpace(*o)); | |
3412 } | |
3413 | |
3414 | |
3415 // Test regular array literals allocation. | 3315 // Test regular array literals allocation. |
3416 TEST(OptimizedAllocationArrayLiterals) { | 3316 TEST(OptimizedAllocationArrayLiterals) { |
3417 i::FLAG_allow_natives_syntax = true; | 3317 i::FLAG_allow_natives_syntax = true; |
3418 CcTest::InitializeVM(); | 3318 CcTest::InitializeVM(); |
3419 if (!CcTest::i_isolate()->use_crankshaft() || i::FLAG_always_opt) return; | 3319 if (!CcTest::i_isolate()->use_crankshaft() || i::FLAG_always_opt) return; |
3420 if (i::FLAG_gc_global || i::FLAG_stress_compaction) return; | 3320 if (i::FLAG_gc_global || i::FLAG_stress_compaction) return; |
3421 v8::HandleScope scope(CcTest::isolate()); | 3321 v8::HandleScope scope(CcTest::isolate()); |
3422 | 3322 |
3423 v8::Local<v8::Value> res = CompileRun( | 3323 v8::Local<v8::Value> res = CompileRun( |
3424 "function f() {" | 3324 "function f() {" |
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6612 // The CollectGarbage call above starts sweeper threads. | 6512 // The CollectGarbage call above starts sweeper threads. |
6613 // The crash will happen if the following two functions | 6513 // The crash will happen if the following two functions |
6614 // are called before sweeping finishes. | 6514 // are called before sweeping finishes. |
6615 heap->StartIncrementalMarking(); | 6515 heap->StartIncrementalMarking(); |
6616 heap->FinalizeIncrementalMarkingIfComplete("test"); | 6516 heap->FinalizeIncrementalMarkingIfComplete("test"); |
6617 } | 6517 } |
6618 | 6518 |
6619 | 6519 |
6620 } // namespace internal | 6520 } // namespace internal |
6621 } // namespace v8 | 6521 } // namespace v8 |
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