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}
29 lines
935 B
JavaScript
29 lines
935 B
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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// Flags: --allow-natives-syntax --no-always-turbofan --turbofan
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// Check that constant-folding of ToString operations works properly for NaN.
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(function() {
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const foo = () => `${NaN}`;
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%PrepareFunctionForOptimization(foo);
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assertEquals("NaN", foo());
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assertEquals("NaN", foo());
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%OptimizeFunctionOnNextCall(foo);
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assertEquals("NaN", foo());
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})();
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// Check that constant-folding of ToString operations works properly for 0/-0.
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(function() {
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const foo = x => `${x ? 0 : -0}`;
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%PrepareFunctionForOptimization(foo);
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assertEquals("0", foo(true));
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assertEquals("0", foo(false));
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assertEquals("0", foo(true));
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assertEquals("0", foo(false));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals("0", foo(true));
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assertEquals("0", foo(false));
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})();
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