v8/test/mjsunit/compiler/serializer-transition-propagation.js
Camillo Bruni e3e8ea5d65 [flags] Rename --opt to --turbofan
To be consistent with the all the other tiers and avoid confusion, we
rename --opt to ---turbofan, and --always-opt to --always-turbofan.

Change-Id: Ie23dc8282b3fb4cf2fbf73b6c3d5264de5d09718
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3610431
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Jakob Linke <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80336}
2022-05-03 12:10:30 +00:00

60 lines
1.2 KiB
JavaScript

// Copyright 2019 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 --turbofan --no-always-turbofan
var expect_interpreted = true;
function C() {
this.a = 1;
assertEquals(expect_interpreted, %IsBeingInterpreted());
if (!%IsDictPropertyConstTrackingEnabled()) {
// TODO(v8:11457) If v8_dict_property_const_tracking is enabled, then the
// prototype of |this| in D() is a dictionary mode object, and we cannot
// inline the storing of this.x, yet.
%TurbofanStaticAssert(this.x == 42);
}
};
function D() {
this.x = 42;
C.call(this);
};
function E() {
D.call(this);
}
function F() {
E.call(this);
};
function G() {
F.call(this);
};
function foo() {
new D;
}
%PrepareFunctionForOptimization(C);
%PrepareFunctionForOptimization(D);
%PrepareFunctionForOptimization(E);
%PrepareFunctionForOptimization(F);
%PrepareFunctionForOptimization(G);
%PrepareFunctionForOptimization(foo);
// Make 'this.x' access in C megamorhpic.
var c = new C;
var d = new D;
var e = new E;
var f = new F;
var g = new G;
foo();
foo();
expect_interpreted = false;
%OptimizeFunctionOnNextCall(foo);
foo();