mirror of
https://github.com/nodejs/node.git
synced 2025-05-15 11:36:57 +00:00

PR-URL: https://github.com/nodejs/node/pull/47251 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Richard Lau <rlau@redhat.com>
38 lines
1023 B
JavaScript
38 lines
1023 B
JavaScript
// Copyright 2016 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: --mark-shared-functions-for-tier-up --allow-natives-syntax
|
|
// Flags: --turbofan --no-always-turbofan --turbo-filter=*
|
|
|
|
// If we are always or never optimizing it is useless.
|
|
if (isNeverOptimizeLiteMode()) {
|
|
print("Warning: skipping test that requires optimization in Lite mode.");
|
|
testRunner.quit(0);
|
|
}
|
|
assertFalse(isAlwaysOptimize());
|
|
assertFalse(isNeverOptimize());
|
|
|
|
(function() {
|
|
var sum = 0;
|
|
var i = 0;
|
|
for (var i = 0; i < 3; ++i) {
|
|
var f = function(x) {
|
|
return 2 * x;
|
|
};
|
|
%PrepareFunctionForOptimization(f);
|
|
sum += f(i);
|
|
|
|
if (i == 1) {
|
|
// f must be interpreted code.
|
|
assertUnoptimized(f);
|
|
|
|
// Run twice (i = 0, 1), then tier-up.
|
|
%OptimizeFunctionOnNextCall(f);
|
|
} else if (i == 2) {
|
|
// Tier-up at i = 2 should go up to turbofan.
|
|
assertOptimized(f);
|
|
}
|
|
}
|
|
})()
|