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Kmake/deps/v8/test/mjsunit/turboshaft/maglev-frontend/math-round.js

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2026-05-26 23:36:42 -07:00
// 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
// Flags: --no-always-turbofan
function round(x, y) {
let prev_v = y + 14.556;
let rounded_x = Math.round(x);
return prev_v + rounded_x;
}
%PrepareFunctionForOptimization(round);
assertEquals(23.116, round(3.25569, 5.56));
%OptimizeFunctionOnNextCall(round);
assertEquals(23.116, round(3.25569, 5.56));
assertOptimized(round);
let o = { valueOf: function() { %DeoptimizeFunction(round); return 4.55 } };
assertEquals(25.116, round(o, 5.56));
assertUnoptimized(round);
assertEquals(25.116, round(o, 5.56));