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}
78 lines
1.5 KiB
JavaScript
78 lines
1.5 KiB
JavaScript
// Copyright 2016 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 --opt
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(function() {
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function foo(a, v) {
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a[0] = v & 0xff;
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}
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%PrepareFunctionForOptimization(foo);
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var a = new Uint8ClampedArray(4);
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foo(a, 1);
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foo(a, 2);
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%OptimizeFunctionOnNextCall(foo);
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foo(a, 256);
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assertOptimized(foo);
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assertEquals(0, a[0]);
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})();
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(function() {
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function foo(a, v) {
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a[0] = v >>> 0;
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}
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%PrepareFunctionForOptimization(foo);
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var a = new Uint8ClampedArray(4);
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foo(a, 1);
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foo(a, 2);
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%OptimizeFunctionOnNextCall(foo);
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foo(a, 256);
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assertOptimized(foo);
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assertEquals(255, a[0]);
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})();
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(function() {
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function foo(a, v) {
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a[0] = v | 0;
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}
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%PrepareFunctionForOptimization(foo);
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var a = new Uint8ClampedArray(4);
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foo(a, 1);
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foo(a, 2);
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%OptimizeFunctionOnNextCall(foo);
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foo(a, 256);
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assertOptimized(foo);
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assertEquals(255, a[0]);
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foo(a, -1);
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assertOptimized(foo);
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assertEquals(0, a[0]);
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})();
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(function() {
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function foo(a, v) {
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a[0] = v;
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}
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%PrepareFunctionForOptimization(foo);
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var a = new Uint8ClampedArray(4);
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foo(a, 1);
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foo(a, 2);
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%OptimizeFunctionOnNextCall(foo);
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foo(a, Infinity);
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assertOptimized(foo);
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assertEquals(255, a[0]);
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foo(a, -Infinity);
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assertOptimized(foo);
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assertEquals(0, a[0]);
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foo(a, 0.5);
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assertOptimized(foo);
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assertEquals(0, a[0]);
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foo(a, 1.5);
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assertOptimized(foo);
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assertEquals(2, a[0]);
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})();
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