nodejs/deps/v8/test/mjsunit/turboshaft/maglev-frontend/dematerialized-double-array.js
Michaël Zasso 918fe04351
deps: update V8 to 13.6.233.8
PR-URL: https://github.com/nodejs/node/pull/58070
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
2025-05-02 15:06:53 +02:00

26 lines
902 B
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
function dematerialized_double_array(n) {
let arr = [ 1.1, 2.2, 3.3 ];
if (n < 0) {
// We won't execute this code when collecting feedback, which means that
// Maglev will do an unconditional deopt here (and {arr} will thus have no
// use besides the frame state for this deopt).
n + 5;
return arr;
}
return n + 2;
}
%PrepareFunctionForOptimization(dematerialized_double_array);
assertEquals(7, dematerialized_double_array(5));
assertEquals(7, dematerialized_double_array(5));
%OptimizeFunctionOnNextCall(dematerialized_double_array);
assertEquals(7, dematerialized_double_array(5));
assertEquals([1.1, 2.2, 3.3], dematerialized_double_array(-1));