32 lines
658 B
JavaScript
32 lines
658 B
JavaScript
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// Copyright 2023 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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// Flags: --allow-natives-syntax
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function f(x) {
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var y = 0;
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for (var i = 0; i < x; i++) {
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y = 1;
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}
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return y;
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}
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function g(iter) {
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if (%IsTurbofanEnabled()) {
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while (!%ActiveTierIsTurbofan(f) && --iter) f(10);
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}
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}
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%NeverOptimizeFunction(g);
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if (!%IsTurbofanEnabled()) quit();
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if (%SetBatterySaverMode(true)) {
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g(10000);
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assertFalse(%ActiveTierIsTurbofan(f));
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if (%SetBatterySaverMode(false)) {
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g(10000000);
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assertTrue(%ActiveTierIsTurbofan(f));
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}
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}
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