918fe04351
PR-URL: https://github.com/nodejs/node/pull/58070 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
59 lines
1.7 KiB
JavaScript
59 lines
1.7 KiB
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
|
|
// Flags: --no-maglev --no-stress-concurrent-inlining
|
|
// Flags: --invocation-count-for-turbofan=3000
|
|
|
|
// This test checks that loop interrupt stack checks are properly detected are
|
|
// processed.
|
|
|
|
// Note that interrupt requests are not handled at the same time in Maglev and
|
|
// Turbofan: in Maglev, they are not directly checked but we instead rely on the
|
|
// fact budget interrupt will perform stack check interrupt, which in Turbofan,
|
|
// they are checked at every loop iteration.
|
|
|
|
var Debug = debug.Debug;
|
|
|
|
var trigger_count = 0;
|
|
var called_from;
|
|
Debug.setListener(function (event, exec_state, event_data, data) {
|
|
if (event == Debug.DebugEvent.Break) {
|
|
called_from = exec_state.frames[0].functionName;
|
|
trigger_count += 1;
|
|
}
|
|
});
|
|
|
|
function g(x) {
|
|
if (x == 0) {
|
|
%ScheduleBreak();
|
|
}
|
|
return 7;
|
|
}
|
|
|
|
function loop_interrupt_check_f(x) {
|
|
let r = 0;
|
|
for (let i = 0; i < 10; i++) {
|
|
if (i == 0) {
|
|
// Schedules an interrupt if {x} is 0.
|
|
r += g(x);
|
|
} else {
|
|
r += g(1);
|
|
}
|
|
}
|
|
return r;
|
|
}
|
|
|
|
%PrepareFunctionForOptimization(loop_interrupt_check_f);
|
|
assertEquals(70, loop_interrupt_check_f(1));
|
|
%OptimizeFunctionOnNextCall(loop_interrupt_check_f);
|
|
assertEquals(70, loop_interrupt_check_f(1));
|
|
assertOptimized(loop_interrupt_check_f);
|
|
|
|
assertEquals(0, trigger_count);
|
|
assertEquals(70, loop_interrupt_check_f(0));
|
|
assertEquals(1, trigger_count);
|
|
assertEquals("loop_interrupt_check_f", called_from);
|
|
assertOptimized(loop_interrupt_check_f);
|