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// Copyright 2022 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 --maglev
// Checks Smi add operation and deopt while untagging.
(function() {
function add(x, y) {
return x + y;
}
%PrepareFunctionForOptimization(add);
assertEquals(3, add(1, 2));
%OptimizeMaglevOnNextCall(add);
assertEquals(3, add(1, 2));
assertTrue(isMaglevved(add));
assertEquals(0x40000000, add(1, 0x3FFFFFFF));
assertTrue(isMaglevved(add));
})();
// Checks when we deopt due to tagging.
(function() {
function add(x, y) {
return x + y;
}
%PrepareFunctionForOptimization(add);
assertEquals(3, add(1, 2));
%OptimizeMaglevOnNextCall(add);
assertEquals(3, add(1, 2));
assertTrue(isMaglevved(add));
// We should deopt here in Int32Add.
assertEquals(3.2, add(1.2, 2));
assertFalse(isMaglevved(add));
})();
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