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// 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); }
function side_effect(a) { return a; }
%NeverOptimizeFunction(side_effect);
function OptUnreliableReduce() {
result = array.reduce(func, side_effect(array));
}
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,
"OptUnreliableReduce", OptUnreliableReduce, FastSetup,
(p, v, i, a) => p = v
]);
})();
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