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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 simple monomorphic load of a Smi field works
(function() {
function load(o) {
return o.smi;
}
%PrepareFunctionForOptimization(load);
assertEquals(42, load({smi:42}));
%OptimizeMaglevOnNextCall(load);
assertEquals(42, load({smi:42}));
assertTrue(isMaglevved(load));
// We should deopt here.
assertEquals(42, load({y:0, smi:42}));
assertFalse(isMaglevved(load));
})();
// Checks simple monomorphic load of a Double field works
(function() {
function load(o) {
return o.float64;
}
%PrepareFunctionForOptimization(load);
assertEquals(42.5, load({float64:42.5}));
%OptimizeMaglevOnNextCall(load);
assertEquals(42.5, load({float64:42.5}));
assertTrue(isMaglevved(load));
// We should deopt here.
assertEquals(42.5, load({y:0, float64:42.5}));
assertFalse(isMaglevved(load));
})();
// Checks simple monomorphic load of a Double field works with a float64 add.
(function() {
function load(o) {
return o.float64 + o.float64;
}
%PrepareFunctionForOptimization(load);
assertEquals(85, load({float64:42.5}));
%OptimizeMaglevOnNextCall(load);
assertEquals(85, load({float64:42.5}));
assertTrue(isMaglevved(load));
// We should deopt here.
assertEquals(85, load({y:0, float64:42.5}));
assertFalse(isMaglevved(load));
})();
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