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Issue 169713002: Revert "Add a premonomorphic state to the call target cache." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 10 months ago
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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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2841 { 2841 {
2842 LocalContext env; 2842 LocalContext env;
2843 CompileRun("function fun() {};"); 2843 CompileRun("function fun() {};");
2844 fun2 = env->Global()->Get(v8_str("fun")); 2844 fun2 = env->Global()->Get(v8_str("fun"));
2845 } 2845 }
2846 2846
2847 // Prepare function f that contains type feedback for closures 2847 // Prepare function f that contains type feedback for closures
2848 // originating from two different native contexts. 2848 // originating from two different native contexts.
2849 CcTest::global()->Set(v8_str("fun1"), fun1); 2849 CcTest::global()->Set(v8_str("fun1"), fun1);
2850 CcTest::global()->Set(v8_str("fun2"), fun2); 2850 CcTest::global()->Set(v8_str("fun2"), fun2);
2851 CompileRun("function f(a, b) { a(); b(); }" 2851 CompileRun("function f(a, b) { a(); b(); } f(fun1, fun2);");
2852 "f(fun1, fun2);" // Run twice to skip premonomorphic state.
2853 "f(fun1, fun2)");
2854 2852
2855 Handle<JSFunction> f = 2853 Handle<JSFunction> f =
2856 v8::Utils::OpenHandle( 2854 v8::Utils::OpenHandle(
2857 *v8::Handle<v8::Function>::Cast( 2855 *v8::Handle<v8::Function>::Cast(
2858 CcTest::global()->Get(v8_str("f")))); 2856 CcTest::global()->Get(v8_str("f"))));
2859 2857
2860 Handle<FixedArray> feedback_vector(TypeFeedbackInfo::cast( 2858 Handle<FixedArray> feedback_vector(TypeFeedbackInfo::cast(
2861 f->shared()->code()->type_feedback_info())->feedback_vector()); 2859 f->shared()->code()->type_feedback_info())->feedback_vector());
2862 2860
2863 CHECK_EQ(2, feedback_vector->length()); 2861 CHECK_EQ(2, feedback_vector->length());
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3683 code = scope.CloseAndEscape(Handle<Code>(bar->code())); 3681 code = scope.CloseAndEscape(Handle<Code>(bar->code()));
3684 } 3682 }
3685 3683
3686 // Now make sure that a gc should get rid of the function 3684 // Now make sure that a gc should get rid of the function
3687 for (int i = 0; i < 4; i++) { 3685 for (int i = 0; i < 4; i++) {
3688 heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); 3686 heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
3689 } 3687 }
3690 3688
3691 ASSERT(code->marked_for_deoptimization()); 3689 ASSERT(code->marked_for_deoptimization());
3692 } 3690 }
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