d845d28ecf
Bug: chromium:840785 Change-Id: I93f417084cc3ad3d1b906bdbef5dda14ead208c6 Reviewed-on: https://chromium-review.googlesource.com/1169044 Reviewed-by: Jakob Gruber <jgruber@chromium.org> Commit-Queue: Camillo Bruni <cbruni@chromium.org> Cr-Commit-Position: refs/heads/master@{#55082}
40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
// Copyright 2017 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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(() => {
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// Make sure we inline the callback, pick up all possible TurboFan
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// optimizations.
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function RunOptFastReduce(multiple) {
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// Use of variable multiple in the callback function forces
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// context creation without escape analysis.
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//
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// Also, the arrow function requires inlining based on
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// SharedFunctionInfo.
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result = array.reduce((p, v, i, a) => p + multiple);
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}
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// Don't optimize because I want to optimize RunOptFastMap with a parameter
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// to be used in the callback.
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%NeverOptimizeFunction(OptFastReduce);
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function OptFastReduce() { RunOptFastReduce(3); }
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function side_effect(a) { return a; }
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%NeverOptimizeFunction(side_effect);
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function OptUnreliableReduce() {
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result = array.reduce(func, side_effect(array));
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}
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DefineHigherOrderTests([
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// name, test function, setup function, user callback
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['DoubleReduce', newClosure('reduce'), DoubleSetup, (p, v, i, o) => p + v],
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['SmiReduce', newClosure('reduce'), SmiSetup, (p, v, i, a) => p + 1],
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['FastReduce', newClosure('reduce'), FastSetup, (p, v, i, a) => p + v],
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['OptFastReduce', OptFastReduce, FastSetup, undefined],
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[
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'OptUnreliableReduce', OptUnreliableReduce, FastSetup, (p, v, i, a) => p = v
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]
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]);
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})();
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