289b25765a
This adds either %EnsureFeedbackVectorForFunction or %PrepareFunctionForOptimization to allocate feedback vectors when testing optimization, allocation sites, IC transitions etc., Bug: v8:8394 Change-Id: I6ad1b6d460e4abda693b326cddb87754e080a0a1 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1593303 Commit-Queue: Mythri Alle <mythria@chromium.org> Auto-Submit: Mythri Alle <mythria@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Cr-Commit-Position: refs/heads/master@{#61212}
35 lines
965 B
JavaScript
35 lines
965 B
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax --opt
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// Intended to test bug [882233] on TF inlined (js-call-reducer) path.
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function shift_array() {
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let array = [];
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Object.defineProperty(array, 'length', {writable : false});
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return array.shift();
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}
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%PrepareFunctionForOptimization(shift_array);
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assertThrows(shift_array);
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assertThrows(shift_array);
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%OptimizeFunctionOnNextCall(shift_array);
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assertThrows(shift_array);
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assertOptimized(shift_array);
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function shift_object() {
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let object = { length: 0 };
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Object.defineProperty(object, 'length', {writable : false});
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return object.shift();
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}
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%PrepareFunctionForOptimization(shift_object);
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assertThrows(shift_object);
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assertThrows(shift_object);
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%OptimizeFunctionOnNextCall(shift_object);
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assertThrows(shift_object);
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assertOptimized(shift_object);
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