// Copyright 2018 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 // Basic loop peeling test case with Array.prototype.some(). (function() { function foo(a, o) { return a.some(x => x === o.x); } %PrepareFunctionForOptimization(foo); assertTrue(foo([1, 2, 3], {x:3})); assertFalse(foo([0, 1, 2], {x:3})); %OptimizeFunctionOnNextCall(foo); assertTrue(foo([1, 2, 3], {x:3})); assertFalse(foo([0, 1, 2], {x:3})); // Packed // Non-extensible %PrepareFunctionForOptimization(foo); assertTrue(foo(Object.preventExtensions([1, 2, '3']), {x:'3'})); assertFalse(foo(Object.preventExtensions([0, 1, '2']), {x:'3'})); %OptimizeFunctionOnNextCall(foo); assertTrue(foo(Object.preventExtensions([1, 2, '3']), {x:'3'})); assertFalse(foo(Object.preventExtensions([0, 1, '2']), {x:'3'})); // Sealed %PrepareFunctionForOptimization(foo); assertTrue(foo(Object.seal([1, 2, '3']), {x:'3'})); assertFalse(foo(Object.seal([0, 1, '2']), {x:'3'})); %OptimizeFunctionOnNextCall(foo); assertTrue(foo(Object.seal([1, 2, '3']), {x:'3'})); assertFalse(foo(Object.seal([0, 1, '2']), {x:'3'})); // Frozen %PrepareFunctionForOptimization(foo); assertTrue(foo(Object.freeze([1, 2, '3']), {x:'3'})); assertFalse(foo(Object.freeze([0, 1, '2']), {x:'3'})); %OptimizeFunctionOnNextCall(foo); assertTrue(foo(Object.freeze([1, 2, '3']), {x:'3'})); assertFalse(foo(Object.freeze([0, 1, '2']), {x:'3'})); // Holey // Non-extensible %PrepareFunctionForOptimization(foo); assertTrue(foo(Object.preventExtensions([, 1, 2, '3']), {x:'3'})); assertFalse(foo(Object.preventExtensions([, 0, 1, '2']), {x:'3'})); %OptimizeFunctionOnNextCall(foo); assertTrue(foo(Object.preventExtensions([, 1, 2, '3']), {x:'3'})); assertFalse(foo(Object.preventExtensions([, 0, 1, '2']), {x:'3'})); // Sealed %PrepareFunctionForOptimization(foo); assertTrue(foo(Object.seal([, 1, 2, '3']), {x:'3'})); assertFalse(foo(Object.seal([, 0, 1, '2']), {x:'3'})); %OptimizeFunctionOnNextCall(foo); assertTrue(foo(Object.seal([, 1, 2, '3']), {x:'3'})); assertFalse(foo(Object.seal([, 0, 1, '2']), {x:'3'})); // Frozen %PrepareFunctionForOptimization(foo); assertTrue(foo(Object.freeze([, 1, 2, '3']), {x:'3'})); assertFalse(foo(Object.freeze([, 0, 1, '2']), {x:'3'})); %OptimizeFunctionOnNextCall(foo); assertTrue(foo(Object.freeze([, 1, 2, '3']), {x:'3'})); assertFalse(foo(Object.freeze([, 0, 1, '2']), {x:'3'})); })();