24 lines
675 B
JavaScript
24 lines
675 B
JavaScript
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// Copyright 2020 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 --no-always-opt
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function foo(a, b) {
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return a - b;
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}
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%PrepareFunctionForOptimization(foo);
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assertEquals(-1n, foo(1n, 2n));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(1n, foo(2n, 1n));
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assertOptimized(foo);
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assertThrows(() => foo(2n, undefined));
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assertUnoptimized(foo);
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%PrepareFunctionForOptimization(foo);
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(-1n, foo(1n, 2n));
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assertOptimized(foo);
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assertThrows(() => foo(undefined, 2n));
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assertOptimized(foo);
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