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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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376 %DeoptimizeFunction(instanceof_check); | 376 %DeoptimizeFunction(instanceof_check); |
377 %ClearFunctionTypeFeedback(instanceof_check); | 377 %ClearFunctionTypeFeedback(instanceof_check); |
378 instanceof_check(Array); | 378 instanceof_check(Array); |
379 instanceof_check(Array); | 379 instanceof_check(Array); |
380 %OptimizeFunctionOnNextCall(instanceof_check); | 380 %OptimizeFunctionOnNextCall(instanceof_check); |
381 instanceof_check(Array); | 381 instanceof_check(Array); |
382 assertOptimized(instanceof_check); | 382 assertOptimized(instanceof_check); |
383 | 383 |
384 instanceof_check(realmBArray); | 384 instanceof_check(realmBArray); |
385 assertUnoptimized(instanceof_check); | 385 assertUnoptimized(instanceof_check); |
386 | |
387 // Case: make sure nested arrays benefit from allocation site feedback as | |
388 // well. | |
389 (function() { | |
390 // Make sure we handle nested arrays | |
391 function get_nested_literal() { | |
392 var literal = [[1,2,3,4], [2], [3]]; | |
393 return literal; | |
394 } | |
395 | |
396 obj = get_nested_literal(); | |
397 assertKind(elements_kind.fast, obj); | |
398 obj[0][0] = 3.5; | |
399 obj[2][0] = "hello"; | |
400 obj = get_nested_literal(); | |
401 assertKind(elements_kind.fast_double, obj[0]); | |
402 assertKind(elements_kind.fast_smi_only, obj[1]); | |
403 assertKind(elements_kind.fast, obj[2]); | |
404 | |
405 // A more complex nested literal case. | |
406 function get_deep_nested_literal() { | |
407 var literal = [[1], [[2], "hello"], 3, [4]]; | |
408 return literal; | |
409 } | |
410 | |
411 obj = get_deep_nested_literal(); | |
412 assertKind(elements_kind.fast_smi_only, obj[1][0]); | |
413 obj[0][0] = 3.5; | |
414 obj[1][0][0] = "goodbye"; | |
415 assertKind(elements_kind.fast_double, obj[0]); | |
416 assertKind(elements_kind.fast, obj[1][0]); | |
417 | |
418 obj = get_deep_nested_literal(); | |
419 assertKind(elements_kind.fast_double, obj[0]); | |
420 assertKind(elements_kind.fast, obj[1][0]); | |
421 })(); | |
422 | |
423 | |
424 // Make sure object literals with array fields benefit from the type feedback | |
425 // that allocation mementos provide. | |
426 (function() { | |
427 // A literal in an object | |
428 function get_object_literal() { | |
429 var literal = { | |
430 array: [1,2,3], | |
431 data: 3.5 | |
432 }; | |
433 return literal; | |
434 } | |
435 | |
436 obj = get_object_literal(); | |
437 assertKind(elements_kind.fast_smi_only, obj.array); | |
438 obj.array[1] = 3.5; | |
439 assertKind(elements_kind.fast_double, obj.array); | |
440 obj = get_object_literal(); | |
441 assertKind(elements_kind.fast_double, obj.array); | |
442 | |
443 function get_nested_object_literal() { | |
444 var literal = { | |
445 array: [[1],[2],[3]], | |
446 data: 3.5 | |
447 }; | |
448 return literal; | |
449 } | |
450 | |
451 obj = get_nested_object_literal(); | |
452 assertKind(elements_kind.fast, obj.array); | |
453 assertKind(elements_kind.fast_smi_only, obj.array[1]); | |
454 obj.array[1][0] = 3.5; | |
455 assertKind(elements_kind.fast_double, obj.array[1]); | |
456 obj = get_nested_object_literal(); | |
457 assertKind(elements_kind.fast_double, obj.array[1]); | |
458 | |
459 %OptimizeFunctionOnNextCall(get_nested_object_literal); | |
460 get_nested_object_literal(); | |
461 obj = get_nested_object_literal(); | |
462 assertKind(elements_kind.fast_double, obj.array[1]); | |
463 | |
464 // Make sure we handle nested arrays | |
465 function get_nested_literal() { | |
466 var literal = [[1,2,3,4], [2], [3]]; | |
467 return literal; | |
468 } | |
469 | |
470 obj = get_nested_literal(); | |
471 assertKind(elements_kind.fast, obj); | |
472 obj[0][0] = 3.5; | |
473 obj[2][0] = "hello"; | |
474 obj = get_nested_literal(); | |
475 assertKind(elements_kind.fast_double, obj[0]); | |
476 assertKind(elements_kind.fast_smi_only, obj[1]); | |
477 assertKind(elements_kind.fast, obj[2]); | |
478 | |
479 // A more complex nested literal case. | |
480 function get_deep_nested_literal() { | |
481 var literal = [[1], [[2], "hello"], 3, [4]]; | |
482 return literal; | |
483 } | |
484 | |
485 obj = get_deep_nested_literal(); | |
486 assertKind(elements_kind.fast_smi_only, obj[1][0]); | |
487 obj[0][0] = 3.5; | |
488 obj[1][0][0] = "goodbye"; | |
489 assertKind(elements_kind.fast_double, obj[0]); | |
490 assertKind(elements_kind.fast, obj[1][0]); | |
491 | |
492 obj = get_deep_nested_literal(); | |
493 assertKind(elements_kind.fast_double, obj[0]); | |
494 assertKind(elements_kind.fast, obj[1][0]); | |
495 })(); | |
496 } | 386 } |
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