forked from LeenkxTeam/Kmake
41 lines
961 B
JavaScript
41 lines
961 B
JavaScript
// 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));
|
|
})();
|