75 lines
1.5 KiB
JavaScript
75 lines
1.5 KiB
JavaScript
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// Copyright 2021 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 --no-stress-opt
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// Flags: --deopt-every-n-times=0 --no-force-slow-path
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(function TestSliceWithoutParams() {
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let array = [0, 1, 2];
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function f() {
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let array2 = array.slice();
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array2[1] = array2[0];
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}
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%PrepareFunctionForOptimization(f);
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f();
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%OptimizeFunctionOnNextCall(f);
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f();
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// Assert that the function was not deoptimized.
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assertOptimized(f);
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})();
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(function TestSliceWithStartZero() {
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let array = [0, 1, 2];
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function f() {
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let array2 = array.slice(0);
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array2[1] = array2[0];
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}
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%PrepareFunctionForOptimization(f);
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f();
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%OptimizeFunctionOnNextCall(f);
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f();
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// Assert that the function was not deoptimized.
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assertOptimized(f);
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})();
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(function TestSliceWithStartNonZero() {
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let array = [0, 1, 2];
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function f() {
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let array2 = array.slice(1);
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array2[1] = array2[0];
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}
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%PrepareFunctionForOptimization(f);
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f();
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%OptimizeFunctionOnNextCall(f);
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f();
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// Assert that the function was not deoptimized.
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assertOptimized(f);
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})();
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(function TestSliceWithStartZeroEndNonUndefined() {
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let array = [0, 1, 2];
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function f() {
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let array2 = array.slice(0, 1);
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array2[1] = array2[0];
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}
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%PrepareFunctionForOptimization(f);
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f();
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%OptimizeFunctionOnNextCall(f);
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f();
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// Assert that the function was not deoptimized.
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assertOptimized(f);
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})();
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