// Copyright 2017 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. (() => { // Make sure we inline the callback, pick up all possible TurboFan // optimizations. function RunOptFastReduce(multiple) { // Use of variable multiple in the callback function forces // context creation without escape analysis. // // Also, the arrow function requires inlining based on // SharedFunctionInfo. result = array.reduce((p, v, i, a) => p + multiple); } // Don't optimize because I want to optimize RunOptFastMap with a parameter // to be used in the callback. %NeverOptimizeFunction(OptFastReduce); function OptFastReduce() { RunOptFastReduce(3); } DefineHigherOrderTests([ // name, test function, setup function, user callback "DoubleReduce", mc("reduce"), DoubleSetup, (p, v, i, o) => p + v, "SmiReduce", mc("reduce"), SmiSetup, (p, v, i, a) => p + 1, "FastReduce", mc("reduce"), FastSetup, (p, v, i, a) => p + v, "OptFastReduce", OptFastReduce, FastSetup, undefined ]); })();