31a3cfbc10
BUG=v8:8801 Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256 Reviewed-on: https://chromium-review.googlesource.com/c/1495555 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#60001}
31 lines
642 B
JavaScript
31 lines
642 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
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(function() {
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function f(x) {
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return String.fromCharCode(x >>> 24);
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};
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var e = 0x41000001;
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%PrepareFunctionForOptimization(f);
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f(e);
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%OptimizeFunctionOnNextCall(f);
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assertEquals("A", f(e));
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})();
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(function() {
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function f(x) {
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return (x >>> 24) & 0xffff;
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};
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%PrepareFunctionForOptimization(f);
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f(1);
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%OptimizeFunctionOnNextCall(f);
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assertEquals(0, f(1));
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assertEquals(100, f((100 << 24) + 42));
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})();
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