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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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70 | 70 |
71 private: | 71 private: |
72 bool always_opt_; | 72 bool always_opt_; |
73 bool allow_natives_syntax_; | 73 bool allow_natives_syntax_; |
74 bool use_inlining_; | 74 bool use_inlining_; |
75 }; | 75 }; |
76 | 76 |
77 | 77 |
78 // Utility class to set --allow-natives-syntax and --nouse-inlining when | 78 // Utility class to set --allow-natives-syntax and --nouse-inlining when |
79 // constructed and return to their default state when destroyed. | 79 // constructed and return to their default state when destroyed. |
80 class AllowNativesSyntaxNoInliningNoParallel { | 80 class AllowNativesSyntaxNoInlining { |
81 public: | 81 public: |
82 AllowNativesSyntaxNoInliningNoParallel() | 82 AllowNativesSyntaxNoInlining() |
83 : allow_natives_syntax_(i::FLAG_allow_natives_syntax), | 83 : allow_natives_syntax_(i::FLAG_allow_natives_syntax), |
84 use_inlining_(i::FLAG_use_inlining), | 84 use_inlining_(i::FLAG_use_inlining) { |
85 parallel_recompilation_(i::FLAG_parallel_recompilation) { | |
86 i::FLAG_allow_natives_syntax = true; | 85 i::FLAG_allow_natives_syntax = true; |
87 i::FLAG_use_inlining = false; | 86 i::FLAG_use_inlining = false; |
88 i::FLAG_parallel_recompilation = false; | |
89 } | 87 } |
90 | 88 |
91 ~AllowNativesSyntaxNoInliningNoParallel() { | 89 ~AllowNativesSyntaxNoInlining() { |
92 i::FLAG_allow_natives_syntax = allow_natives_syntax_; | 90 i::FLAG_allow_natives_syntax = allow_natives_syntax_; |
93 i::FLAG_use_inlining = use_inlining_; | 91 i::FLAG_use_inlining = use_inlining_; |
94 i::FLAG_parallel_recompilation = parallel_recompilation_; | |
95 } | 92 } |
96 | 93 |
97 private: | 94 private: |
98 bool allow_natives_syntax_; | 95 bool allow_natives_syntax_; |
99 bool use_inlining_; | 96 bool use_inlining_; |
100 bool parallel_recompilation_; | |
101 }; | 97 }; |
102 | 98 |
103 | 99 |
104 // Abort any ongoing incremental marking to make sure that all weak global | 100 // Abort any ongoing incremental marking to make sure that all weak global |
105 // handle callbacks are processed. | 101 // handle callbacks are processed. |
106 static void NonIncrementalGC() { | 102 static void NonIncrementalGC() { |
107 HEAP->CollectAllGarbage(i::Heap::kAbortIncrementalMarkingMask); | 103 HEAP->CollectAllGarbage(i::Heap::kAbortIncrementalMarkingMask); |
108 } | 104 } |
109 | 105 |
110 | 106 |
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340 } | 336 } |
341 | 337 |
342 | 338 |
343 TEST(DeoptimizeBinaryOperationADDString) { | 339 TEST(DeoptimizeBinaryOperationADDString) { |
344 LocalContext env; | 340 LocalContext env; |
345 v8::HandleScope scope(env->GetIsolate()); | 341 v8::HandleScope scope(env->GetIsolate()); |
346 | 342 |
347 const char* f_source = "function f(x, y) { return x + y; };"; | 343 const char* f_source = "function f(x, y) { return x + y; };"; |
348 | 344 |
349 { | 345 { |
350 AllowNativesSyntaxNoInliningNoParallel options; | 346 AllowNativesSyntaxNoInlining options; |
351 // Compile function f and collect to type feedback to insert binary op stub | 347 // Compile function f and collect to type feedback to insert binary op stub |
352 // call in the optimized code. | 348 // call in the optimized code. |
353 i::FLAG_prepare_always_opt = true; | 349 i::FLAG_prepare_always_opt = true; |
354 CompileRun("var count = 0;" | 350 CompileRun("var count = 0;" |
355 "var result = 0;" | 351 "var result = 0;" |
356 "var deopt = false;" | 352 "var deopt = false;" |
357 "function X() { };" | 353 "function X() { };" |
358 "X.prototype.toString = function () {" | 354 "X.prototype.toString = function () {" |
359 " if (deopt) { count++; %DeoptimizeFunction(f); } return 'an X'" | 355 " if (deopt) { count++; %DeoptimizeFunction(f); } return 'an X'" |
360 "};"); | 356 "};"); |
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398 | 394 |
399 | 395 |
400 static void TestDeoptimizeBinaryOpHelper(LocalContext* env, | 396 static void TestDeoptimizeBinaryOpHelper(LocalContext* env, |
401 const char* binary_op) { | 397 const char* binary_op) { |
402 EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> f_source_buffer; | 398 EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> f_source_buffer; |
403 OS::SNPrintF(f_source_buffer, | 399 OS::SNPrintF(f_source_buffer, |
404 "function f(x, y) { return x %s y; };", | 400 "function f(x, y) { return x %s y; };", |
405 binary_op); | 401 binary_op); |
406 char* f_source = f_source_buffer.start(); | 402 char* f_source = f_source_buffer.start(); |
407 | 403 |
408 AllowNativesSyntaxNoInliningNoParallel options; | 404 AllowNativesSyntaxNoInlining options; |
409 // Compile function f and collect to type feedback to insert binary op stub | 405 // Compile function f and collect to type feedback to insert binary op stub |
410 // call in the optimized code. | 406 // call in the optimized code. |
411 i::FLAG_prepare_always_opt = true; | 407 i::FLAG_prepare_always_opt = true; |
412 CompileConstructorWithDeoptimizingValueOf(); | 408 CompileConstructorWithDeoptimizingValueOf(); |
413 CompileRun(f_source); | 409 CompileRun(f_source); |
414 CompileRun("for (var i = 0; i < 5; i++) {" | 410 CompileRun("for (var i = 0; i < 5; i++) {" |
415 " f(8, new X());" | 411 " f(8, new X());" |
416 "};"); | 412 "};"); |
417 | 413 |
418 // Compile an optimized version of f. | 414 // Compile an optimized version of f. |
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490 } | 486 } |
491 | 487 |
492 | 488 |
493 TEST(DeoptimizeCompare) { | 489 TEST(DeoptimizeCompare) { |
494 LocalContext env; | 490 LocalContext env; |
495 v8::HandleScope scope(env->GetIsolate()); | 491 v8::HandleScope scope(env->GetIsolate()); |
496 | 492 |
497 const char* f_source = "function f(x, y) { return x < y; };"; | 493 const char* f_source = "function f(x, y) { return x < y; };"; |
498 | 494 |
499 { | 495 { |
500 AllowNativesSyntaxNoInliningNoParallel options; | 496 AllowNativesSyntaxNoInlining options; |
501 // Compile function f and collect to type feedback to insert compare ic | 497 // Compile function f and collect to type feedback to insert compare ic |
502 // call in the optimized code. | 498 // call in the optimized code. |
503 i::FLAG_prepare_always_opt = true; | 499 i::FLAG_prepare_always_opt = true; |
504 CompileRun("var count = 0;" | 500 CompileRun("var count = 0;" |
505 "var result = 0;" | 501 "var result = 0;" |
506 "var deopt = false;" | 502 "var deopt = false;" |
507 "function X() { };" | 503 "function X() { };" |
508 "X.prototype.toString = function () {" | 504 "X.prototype.toString = function () {" |
509 " if (deopt) { count++; %DeoptimizeFunction(f); } return 'b'" | 505 " if (deopt) { count++; %DeoptimizeFunction(f); } return 'b'" |
510 "};"); | 506 "};"); |
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537 LocalContext env; | 533 LocalContext env; |
538 v8::HandleScope scope(env->GetIsolate()); | 534 v8::HandleScope scope(env->GetIsolate()); |
539 | 535 |
540 // Functions to generate load/store/keyed load/keyed store IC calls. | 536 // Functions to generate load/store/keyed load/keyed store IC calls. |
541 const char* f1_source = "function f1(x) { return x.y; };"; | 537 const char* f1_source = "function f1(x) { return x.y; };"; |
542 const char* g1_source = "function g1(x) { x.y = 1; };"; | 538 const char* g1_source = "function g1(x) { x.y = 1; };"; |
543 const char* f2_source = "function f2(x, y) { return x[y]; };"; | 539 const char* f2_source = "function f2(x, y) { return x[y]; };"; |
544 const char* g2_source = "function g2(x, y) { x[y] = 1; };"; | 540 const char* g2_source = "function g2(x, y) { x[y] = 1; };"; |
545 | 541 |
546 { | 542 { |
547 AllowNativesSyntaxNoInliningNoParallel options; | 543 AllowNativesSyntaxNoInlining options; |
548 // Compile functions and collect to type feedback to insert ic | 544 // Compile functions and collect to type feedback to insert ic |
549 // calls in the optimized code. | 545 // calls in the optimized code. |
550 i::FLAG_prepare_always_opt = true; | 546 i::FLAG_prepare_always_opt = true; |
551 CompileRun("var count = 0;" | 547 CompileRun("var count = 0;" |
552 "var result = 0;" | 548 "var result = 0;" |
553 "var deopt = false;" | 549 "var deopt = false;" |
554 "function X() { };" | 550 "function X() { };" |
555 "X.prototype.__defineGetter__('y', function () {" | 551 "X.prototype.__defineGetter__('y', function () {" |
556 " if (deopt) { count++; %DeoptimizeFunction(f1); };" | 552 " if (deopt) { count++; %DeoptimizeFunction(f1); };" |
557 " return 13;" | 553 " return 13;" |
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617 LocalContext env; | 613 LocalContext env; |
618 v8::HandleScope scope(env->GetIsolate()); | 614 v8::HandleScope scope(env->GetIsolate()); |
619 | 615 |
620 // Functions to generate load/store/keyed load/keyed store IC calls. | 616 // Functions to generate load/store/keyed load/keyed store IC calls. |
621 const char* f1_source = "function f1(x) { return x.y; };"; | 617 const char* f1_source = "function f1(x) { return x.y; };"; |
622 const char* g1_source = "function g1(x) { x.y = 1; };"; | 618 const char* g1_source = "function g1(x) { x.y = 1; };"; |
623 const char* f2_source = "function f2(x, y) { return x[y]; };"; | 619 const char* f2_source = "function f2(x, y) { return x[y]; };"; |
624 const char* g2_source = "function g2(x, y) { x[y] = 1; };"; | 620 const char* g2_source = "function g2(x, y) { x[y] = 1; };"; |
625 | 621 |
626 { | 622 { |
627 AllowNativesSyntaxNoInliningNoParallel options; | 623 AllowNativesSyntaxNoInlining options; |
628 // Compile functions and collect to type feedback to insert ic | 624 // Compile functions and collect to type feedback to insert ic |
629 // calls in the optimized code. | 625 // calls in the optimized code. |
630 i::FLAG_prepare_always_opt = true; | 626 i::FLAG_prepare_always_opt = true; |
631 CompileRun("var count = 0;" | 627 CompileRun("var count = 0;" |
632 "var result = 0;" | 628 "var result = 0;" |
633 "var deopt = false;" | 629 "var deopt = false;" |
634 "function X() { };" | 630 "function X() { };" |
635 "X.prototype.__defineGetter__('y', function () {" | 631 "X.prototype.__defineGetter__('y', function () {" |
636 " g1(this);" | 632 " g1(this);" |
637 " return 13;" | 633 " return 13;" |
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685 NonIncrementalGC(); | 681 NonIncrementalGC(); |
686 | 682 |
687 CHECK(!GetJSFunction(env->Global(), "f1")->IsOptimized()); | 683 CHECK(!GetJSFunction(env->Global(), "f1")->IsOptimized()); |
688 CHECK(!GetJSFunction(env->Global(), "g1")->IsOptimized()); | 684 CHECK(!GetJSFunction(env->Global(), "g1")->IsOptimized()); |
689 CHECK(!GetJSFunction(env->Global(), "f2")->IsOptimized()); | 685 CHECK(!GetJSFunction(env->Global(), "f2")->IsOptimized()); |
690 CHECK(!GetJSFunction(env->Global(), "g2")->IsOptimized()); | 686 CHECK(!GetJSFunction(env->Global(), "g2")->IsOptimized()); |
691 CHECK_EQ(1, env->Global()->Get(v8_str("count"))->Int32Value()); | 687 CHECK_EQ(1, env->Global()->Get(v8_str("count"))->Int32Value()); |
692 CHECK_EQ(13, env->Global()->Get(v8_str("result"))->Int32Value()); | 688 CHECK_EQ(13, env->Global()->Get(v8_str("result"))->Int32Value()); |
693 CHECK_EQ(0, Deoptimizer::GetDeoptimizedCodeCount(Isolate::Current())); | 689 CHECK_EQ(0, Deoptimizer::GetDeoptimizedCodeCount(Isolate::Current())); |
694 } | 690 } |
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