v8/test/mjsunit/compiler/serializer-accessors.js
Ross McIlroy 2990658ea2 [Tests] Add %OptimizeFunctionForTopTier test function
And use it to remove the set of TurboProp test skips.

BUG=v8:9684,v8:12013

Change-Id: I878e2b9c595449c954735290959d3b38eead5a5b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3043963
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75865}
2021-07-22 16:05:36 +00:00

43 lines
1.1 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 --opt --no-always-opt
var expect_interpreted = true;
class C {
get prop() {
return 42;
}
set prop(v) {
if (!%IsDictPropertyConstTrackingEnabled()) {
// TODO(v8:11457) If v8_dict_property_const_tracking is enabled, then
// C.prototype is a dictionary mode object and we cannot inline the call
// to this setter, yet.
assertEquals(expect_interpreted, %IsBeingInterpreted());
}
%TurbofanStaticAssert(v === 43);
}
}
const c = new C();
function foo() {
assertEquals(expect_interpreted, %IsBeingInterpreted());
%TurbofanStaticAssert(c.prop === 42);
c.prop = 43;
}
%PrepareFunctionForOptimization(
Object.getOwnPropertyDescriptor(C.prototype, 'prop').get);
%PrepareFunctionForOptimization(
Object.getOwnPropertyDescriptor(C.prototype, 'prop').set);
%PrepareFunctionForOptimization(foo);
foo();
foo();
expect_interpreted = false;
%OptimizeFunctionForTopTier(foo);
foo();