Current File : /home/vacivi36/vittasync.vacivitta.com.br/vittasync/node/deps/v8/test/mjsunit/maglev/add-number.js
// 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
(function() {
function add(x, y) {
return x + y;
}
%PrepareFunctionForOptimization(add);
assertEquals(4.2, add(2.1, 2.1));
%OptimizeMaglevOnNextCall(add);
assertEquals(4.2, add(2.1, 2.1));
assertTrue(isMaglevved(add));
// We don't deopt if we use smis.
assertEquals(42, add(22, 20));
assertTrue(isMaglevved(add));
// We deopt if not a number.
assertEquals("42", add("4", "2"));
assertFalse(isMaglevved(add));
})();
// Deopt in the second Float64Unbox when the first argument is a Smi.
(function() {
function add(x, y) {
return x + y;
}
%PrepareFunctionForOptimization(add);
assertEquals(4.2, add(2.1, 2.1));
%OptimizeMaglevOnNextCall(add);
assertEquals(4.2, add(2.1, 2.1));
assertTrue(isMaglevved(add));
// We deopt if not a number.
assertEquals("42", add(4, "2"));
assertFalse(isMaglevved(add));
})();
// Deopt in the second Float64Unbox when the first argument is a double.
(function() {
function add(x, y) {
return x + y;
}
%PrepareFunctionForOptimization(add);
assertEquals(4.2, add(2.1, 2.1));
%OptimizeMaglevOnNextCall(add);
assertEquals(4.2, add(2.1, 2.1));
assertTrue(isMaglevved(add));
// We deopt if not a number.
assertEquals("4.2!", add(4.2, "!"));
assertFalse(isMaglevved(add));
})();
// Emit FloatAdd through SmiAdd bytecode.
(function() {
function inc(x) {
return x + 1
}
%PrepareFunctionForOptimization(inc);
assertEquals(4.2, inc(3.2));
%OptimizeMaglevOnNextCall(inc);
assertEquals(4.2, inc(3.2));
})();
// Force the input of FloatAdd to be int32.
(function() {
function add(x, y, z) {
return (x + y) + z;
}
%PrepareFunctionForOptimization(add);
assertEquals(4.2, add(1, 3, 0.2));
%OptimizeMaglevOnNextCall(add);
assertEquals(4.2, add(1, 3, 0.2));
})();
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