v8/test/mjsunit/compiler/serializer-feedback-propagation-2.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

33 lines
633 B
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
var obj = Object.create(Object.create({blu: 42}));
obj.bla = 1;
function bar(o) {
return o.blu;
}
function baz(o) {
return o.bla;
}
function foo(o) {
baz(o);
%TurbofanStaticAssert(bar(o) == 42);
}
%PrepareFunctionForOptimization(bar);
%PrepareFunctionForOptimization(baz);
%PrepareFunctionForOptimization(foo);
bar({});
bar({bla: 1});
bar({blu: 1});
bar({blo: 1});
foo(obj);
%OptimizeFunctionForTopTier(foo);
foo(obj);