63 lines
1.3 KiB
JavaScript
63 lines
1.3 KiB
JavaScript
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// Copyright 2021 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
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(function() {
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function foo(b) {
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let y = (new Date(42)).getMilliseconds();
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let x = -1;
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if (b) x = 0xFFFF_FFFF;
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return y < Math.max(1 << y, x, 1 + y);
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}
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assertTrue(foo(true));
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%PrepareFunctionForOptimization(foo);
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assertTrue(foo(false));
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%OptimizeFunctionOnNextCall(foo);
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assertTrue(foo(true));
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})();
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(function() {
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function foo(b) {
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let x = 0;
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if (b) x = -1;
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return x == Math.max(-1, x >>> Infinity);
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}
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assertFalse(foo(true));
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%PrepareFunctionForOptimization(foo);
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assertTrue(foo(false));
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%OptimizeFunctionOnNextCall(foo);
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assertFalse(foo(true));
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})();
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(function() {
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function foo(b) {
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let x = -1;
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if (b) x = 0xFFFF_FFFF;
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return -1 < Math.max(0, x, -1);
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}
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assertTrue(foo(true));
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%PrepareFunctionForOptimization(foo);
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assertTrue(foo(false));
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%OptimizeFunctionOnNextCall(foo);
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assertTrue(foo(true));
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})();
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(function() {
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function foo(b) {
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let x = 0x7FFF_FFFF;
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if (b) x = 0;
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return 0 < (Math.max(-5 >>> x, -5) % -5);
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}
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assertTrue(foo(true));
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%PrepareFunctionForOptimization(foo);
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assertTrue(foo(false));
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%OptimizeFunctionOnNextCall(foo);
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assertTrue(foo(true));
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})();
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