forked from LeenkxTeam/Kmake
32 lines
964 B
JavaScript
32 lines
964 B
JavaScript
// Copyright 2024 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
// Flags: --allow-natives-syntax --turbolev --turbofan
|
|
|
|
let n = 5;
|
|
n = 2; // Making {n} not constant.
|
|
|
|
function dematerialized_arguments() {
|
|
let args = arguments;
|
|
if (n < 0) {
|
|
// We won't execute this code when collecting feedback, which means that
|
|
// Maglev will do an unconditional deopt here (and {args} will thus have no
|
|
// use besides the frame state for this deopt).
|
|
n + 5;
|
|
return args;
|
|
}
|
|
return n + 2;
|
|
}
|
|
|
|
%PrepareFunctionForOptimization(dematerialized_arguments);
|
|
n = 5;
|
|
assertEquals(7, dematerialized_arguments(2, 3));
|
|
assertEquals(7, dematerialized_arguments(2, 3, 4, 9));
|
|
|
|
%OptimizeFunctionOnNextCall(dematerialized_arguments);
|
|
assertEquals(7, dematerialized_arguments(2, 3));
|
|
|
|
n = -1;
|
|
assertEquals([2, 3, 4, 9], [... dematerialized_arguments(2, 3, 4, 9)]);
|