e3e8ea5d65
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}
33 lines
779 B
JavaScript
33 lines
779 B
JavaScript
// Copyright 2020 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: --turbo-dynamic-map-checks --allow-natives-syntax --turbofan --no-always-turbofan
|
|
|
|
function f(v) {
|
|
return v.b;
|
|
}
|
|
var v = { a: 10, b: 10.23 };
|
|
%PrepareFunctionForOptimization(f);
|
|
f(v);
|
|
%OptimizeFunctionOnNextCall(f);
|
|
f(v);
|
|
assertOptimized(f);
|
|
v.b = {x: 20};
|
|
assertEquals(f(v).x, 20);
|
|
// Must deoptimize because of field-rep changes for field 'b'
|
|
assertUnoptimized(f);
|
|
|
|
function f0(v) {
|
|
return v.b;
|
|
}
|
|
var v0 = { b: 10.23 };
|
|
%PrepareFunctionForOptimization(f0);
|
|
f0(v0);
|
|
// Transition the field to an Smi field.
|
|
v0.b = {};
|
|
v0.b = 0;
|
|
%OptimizeFunctionOnNextCall(f0);
|
|
f0(v0);
|
|
assertEquals(f0(v0), 0);
|