e3e8ea5d65
To be consistent with the all the other tiers and avoid confusion, we rename --opt to ---turbofan, and --always-opt to --always-turbofan. Change-Id: Ie23dc8282b3fb4cf2fbf73b6c3d5264de5d09718 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3610431 Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Camillo Bruni <cbruni@chromium.org> Reviewed-by: Jakob Linke <jgruber@chromium.org> Cr-Commit-Position: refs/heads/main@{#80336}
32 lines
699 B
JavaScript
32 lines
699 B
JavaScript
// Copyright 2020 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 --turbofan
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const xs = [1,2,3,4,5,6,7,8,9];
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let deopt = false;
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function g(acc, x, i) {
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if (deopt) {
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assertFalse(%IsBeingInterpreted());
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Array.prototype.x = 42; // Trigger a lazy deopt.
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deopt = false;
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}
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return acc + x;
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}
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function f() {
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return xs.reduce(g, 0);
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}
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%PrepareFunctionForOptimization(f);
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%PrepareFunctionForOptimization(g);
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assertEquals(45, f());
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assertEquals(45, f());
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%OptimizeFunctionOnNextCall(f);
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deopt = true;
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assertEquals(45, f());
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assertEquals(45, f());
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