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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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390 "function X() { };" | 390 "function X() { };" |
391 "X.prototype.valueOf = function () {" | 391 "X.prototype.valueOf = function () {" |
392 " if (deopt) { count++; %DeoptimizeFunction(f); } return 8" | 392 " if (deopt) { count++; %DeoptimizeFunction(f); } return 8" |
393 "};"); | 393 "};"); |
394 } | 394 } |
395 | 395 |
396 | 396 |
397 static void TestDeoptimizeBinaryOpHelper(LocalContext* env, | 397 static void TestDeoptimizeBinaryOpHelper(LocalContext* env, |
398 const char* binary_op) { | 398 const char* binary_op) { |
399 EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> f_source_buffer; | 399 EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> f_source_buffer; |
400 OS::SNPrintF(f_source_buffer, | 400 SNPrintF(f_source_buffer, |
401 "function f(x, y) { return x %s y; };", | 401 "function f(x, y) { return x %s y; };", |
402 binary_op); | 402 binary_op); |
403 char* f_source = f_source_buffer.start(); | 403 char* f_source = f_source_buffer.start(); |
404 | 404 |
405 AllowNativesSyntaxNoInlining options; | 405 AllowNativesSyntaxNoInlining options; |
406 // Compile function f and collect to type feedback to insert binary op stub | 406 // Compile function f and collect to type feedback to insert binary op stub |
407 // call in the optimized code. | 407 // call in the optimized code. |
408 i::FLAG_prepare_always_opt = true; | 408 i::FLAG_prepare_always_opt = true; |
409 CompileConstructorWithDeoptimizingValueOf(); | 409 CompileConstructorWithDeoptimizingValueOf(); |
410 CompileRun(f_source); | 410 CompileRun(f_source); |
411 CompileRun("for (var i = 0; i < 5; i++) {" | 411 CompileRun("for (var i = 0; i < 5; i++) {" |
412 " f(8, new X());" | 412 " f(8, new X());" |
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688 } | 688 } |
689 NonIncrementalGC(); | 689 NonIncrementalGC(); |
690 | 690 |
691 CHECK(!GetJSFunction(env->Global(), "f1")->IsOptimized()); | 691 CHECK(!GetJSFunction(env->Global(), "f1")->IsOptimized()); |
692 CHECK(!GetJSFunction(env->Global(), "g1")->IsOptimized()); | 692 CHECK(!GetJSFunction(env->Global(), "g1")->IsOptimized()); |
693 CHECK(!GetJSFunction(env->Global(), "f2")->IsOptimized()); | 693 CHECK(!GetJSFunction(env->Global(), "f2")->IsOptimized()); |
694 CHECK(!GetJSFunction(env->Global(), "g2")->IsOptimized()); | 694 CHECK(!GetJSFunction(env->Global(), "g2")->IsOptimized()); |
695 CHECK_EQ(1, env->Global()->Get(v8_str("count"))->Int32Value()); | 695 CHECK_EQ(1, env->Global()->Get(v8_str("count"))->Int32Value()); |
696 CHECK_EQ(13, env->Global()->Get(v8_str("result"))->Int32Value()); | 696 CHECK_EQ(13, env->Global()->Get(v8_str("result"))->Int32Value()); |
697 } | 697 } |
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