mirror of https://github.com/tc39/test262.git
153 lines
3.1 KiB
JavaScript
153 lines
3.1 KiB
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax --opt --noalways-opt
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// Known receivers strict equality.
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(function() {
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const a = {};
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const b = {};
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function foo() { return a === b; }
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assertFalse(foo());
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assertFalse(foo());
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%OptimizeFunctionOnNextCall(foo);
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assertFalse(foo());
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})();
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// Known receiver/null strict equality.
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(function() {
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const a = {};
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const b = null;
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function foo() { return a === b; }
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assertFalse(foo());
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assertFalse(foo());
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%OptimizeFunctionOnNextCall(foo);
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assertFalse(foo());
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})();
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// Known receiver/undefined strict equality.
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(function() {
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const a = {};
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const b = undefined;
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function foo() { return a === b; }
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assertFalse(foo());
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assertFalse(foo());
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%OptimizeFunctionOnNextCall(foo);
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assertFalse(foo());
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})();
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// Known receiver on one side strict equality.
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(function() {
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const a = {};
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const b = {};
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function foo(a) { return a === b; }
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assertTrue(foo(b));
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assertFalse(foo(a));
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assertTrue(foo(b));
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assertFalse(foo(a));
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%OptimizeFunctionOnNextCall(foo);
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assertTrue(foo(b));
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assertFalse(foo(a));
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})();
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// Known receiver on one side strict equality.
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(function() {
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const a = {};
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const b = null;
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function foo(a) { return a === b; }
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assertTrue(foo(b));
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assertFalse(foo(a));
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assertTrue(foo(b));
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assertFalse(foo(a));
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%OptimizeFunctionOnNextCall(foo);
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assertTrue(foo(b));
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assertFalse(foo(a));
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})();
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// Known receiver on one side strict equality.
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(function() {
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const a = {};
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const b = undefined;
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function foo(a) { return a === b; }
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assertTrue(foo(b));
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assertFalse(foo(a));
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assertTrue(foo(b));
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assertFalse(foo(a));
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%OptimizeFunctionOnNextCall(foo);
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assertTrue(foo(b));
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assertFalse(foo(a));
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})();
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// Feedback based receiver strict equality.
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(function() {
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const a = {};
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const b = {};
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function foo(a, b) { return a === b; }
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assertTrue(foo(b, b));
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assertFalse(foo(a, b));
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assertTrue(foo(a, a));
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assertFalse(foo(b, a));
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%OptimizeFunctionOnNextCall(foo);
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assertTrue(foo(a, a));
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assertFalse(foo(b, a));
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// TurboFan bakes in feedback for the left hand side.
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assertFalse(foo(null, b));
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assertUnoptimized(foo);
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})();
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// Feedback based receiver/null strict equality.
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(function() {
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const a = {};
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const b = null;
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function foo(a, b) { return a === b; }
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assertTrue(foo(b, b));
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assertFalse(foo(a, b));
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assertTrue(foo(a, a));
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assertFalse(foo(b, a));
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%OptimizeFunctionOnNextCall(foo);
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assertTrue(foo(a, a));
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assertFalse(foo(b, a));
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// TurboFan bakes in feedback for the left hand side.
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assertFalse(foo(1, b));
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assertUnoptimized(foo);
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})();
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// Feedback based receiver/undefined strict equality.
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(function() {
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const a = {};
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const b = undefined;
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function foo(a, b) { return a === b; }
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assertTrue(foo(b, b));
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assertFalse(foo(a, b));
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assertTrue(foo(a, a));
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assertFalse(foo(b, a));
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%OptimizeFunctionOnNextCall(foo);
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assertTrue(foo(a, a));
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assertFalse(foo(b, a));
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// TurboFan bakes in feedback for the left hand side.
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assertFalse(foo(1, b));
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assertUnoptimized(foo);
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})();
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