node/deps/v8/test/debugger/debug/debug-optimize.js
Michaël Zasso 3d1b3df948 deps: update V8 to 6.2.414.32
PR-URL: https://github.com/nodejs/node/pull/15362
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
2017-10-18 17:01:41 -07:00

55 lines
843 B
JavaScript

// Copyright 2015 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: --opt --no-always-opt
var Debug = debug.Debug;
function f1() {
return 1;
}
function f2() {
return 2;
}
function f3() {
return f1();
}
function f4() {
return 4;
}
function optimize(f) {
f();
f();
%OptimizeFunctionOnNextCall(f);
f();
}
optimize(f1);
optimize(f2);
optimize(f3);
Debug.setListener(function() {});
assertOptimized(f1);
assertOptimized(f2);
assertOptimized(f3);
Debug.setBreakPoint(f1, 1);
// Setting break point deoptimizes f1 and f3 (which inlines f1).
assertUnoptimized(f1);
assertOptimized(f2);
assertUnoptimized(f3);
// We can optimize with break points set.
optimize(f4);
assertOptimized(f4);
Debug.setListener(null);