forked from LeenkxTeam/Kmake
18 lines
586 B
JavaScript
18 lines
586 B
JavaScript
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// Copyright 2024 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 --turbolev --turbofan
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function shift_left(val) {
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// JS spec says that the rhs of a shift should be taken modulo 32. As a
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// result, `1 << 32` is `1 << 0`, which is `1`.
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return 1 << (32 - val);
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}
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%PrepareFunctionForOptimization(shift_left);
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assertEquals(1, shift_left(0));
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assertEquals(1, shift_left(0));
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%OptimizeFunctionOnNextCall(shift_left);
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assertEquals(1, shift_left(0));
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