forked from LeenkxTeam/Kmake
41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
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 f64_abs(n) {
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let v = n + 3.125;
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return Math.abs(v);
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}
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%PrepareFunctionForOptimization(f64_abs);
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assertEquals(20.625, f64_abs(17.5));
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assertEquals(3.375, f64_abs(-6.5));
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%OptimizeFunctionOnNextCall(f64_abs);
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assertEquals(20.625, f64_abs(17.5));
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assertEquals(3.375, f64_abs(-6.5));
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assertOptimized(f64_abs);
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function i32_abs(n) {
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let v = n * 10 - 28;
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return Math.abs(v);
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}
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%PrepareFunctionForOptimization(i32_abs);
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assertEquals(8, i32_abs(2));
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assertEquals(22, i32_abs(5));
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%OptimizeFunctionOnNextCall(i32_abs);
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assertEquals(8, i32_abs(2));
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assertEquals(22, i32_abs(5));
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assertOptimized(i32_abs);
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// Triggering a deopt in `i32_abs` by calling it with a value that will lead
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// doing Int32Abs on min_int, which overflows because the result is not
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// representable as an int32.
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let min_int = -0x80000000;
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let val_for_deopt = ((min_int + 28) / 10) & 0xffffffff;
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assertTrue(%IsSmi(val_for_deopt));
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assertEquals(-min_int, i32_abs(val_for_deopt));
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