// Copyright 2016 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Flags: --allow-natives-syntax --opt (function() { function foo(a, v) { a[0] = v & 0xff; } %PrepareFunctionForOptimization(foo); var a = new Uint8ClampedArray(4); foo(a, 1); foo(a, 2); %OptimizeFunctionOnNextCall(foo); foo(a, 256); assertOptimized(foo); assertEquals(0, a[0]); })(); (function() { function foo(a, v) { a[0] = v >>> 0; } %PrepareFunctionForOptimization(foo); var a = new Uint8ClampedArray(4); foo(a, 1); foo(a, 2); %OptimizeFunctionOnNextCall(foo); foo(a, 256); assertOptimized(foo); assertEquals(255, a[0]); })(); (function() { function foo(a, v) { a[0] = v | 0; } %PrepareFunctionForOptimization(foo); var a = new Uint8ClampedArray(4); foo(a, 1); foo(a, 2); %OptimizeFunctionOnNextCall(foo); foo(a, 256); assertOptimized(foo); assertEquals(255, a[0]); foo(a, -1); assertOptimized(foo); assertEquals(0, a[0]); })(); (function() { function foo(a, v) { a[0] = v; } %PrepareFunctionForOptimization(foo); var a = new Uint8ClampedArray(4); foo(a, 1); foo(a, 2); %OptimizeFunctionOnNextCall(foo); foo(a, Infinity); assertOptimized(foo); assertEquals(255, a[0]); foo(a, -Infinity); assertOptimized(foo); assertEquals(0, a[0]); foo(a, 0.5); assertOptimized(foo); assertEquals(0, a[0]); foo(a, 1.5); assertOptimized(foo); assertEquals(2, a[0]); })();