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Kmake/deps/v8/test/mjsunit/turboshaft/maglev-frontend/make-fast-arr.js
2026-05-26 23:36:42 -07:00

23 lines
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JavaScript

// Copyright 2024 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 --turbolev --turbofan
let a = [1, 2, 3, 4];
let b = [5, 6, 7, 8];
function make_fast_arr(a, b) {
let s = [0, 0, 0, 0];
for (let i = 0; i < 4; i++) {
s[i] = a[i] + b[i];
}
return s;
}
%PrepareFunctionForOptimization(make_fast_arr);
assertEquals([6, 8, 10, 12], make_fast_arr(a, b));
%OptimizeFunctionOnNextCall(make_fast_arr);
assertEquals([6, 8, 10, 12], make_fast_arr(a, b));
assertOptimized(make_fast_arr);