v8/test/mjsunit/compiler/serializer-dead-after-jump.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

44 lines
1.0 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
function f(x) {
// TODO(v8:11457) If v8_dict_property_const_tracking is enabled, then the
// prototype of |x| in |main| is a dictionary mode object, and we cannot
// inline the storing of x.foo, yet.
if (!%IsDictPropertyConstTrackingEnabled()) {
%TurbofanStaticAssert(x.foo === 42);
}
return %IsBeingInterpreted();
}
function main(b, ret) {
const x = new Object();
const y = x;
if (b) {
return ret;
} else {
x.foo = 42;
out = x; // Prevent x's new map from dying too early.
return f(y);
}
}
%PrepareFunctionForOptimization(f);
%PrepareFunctionForOptimization(main);
f({a: 1});
f({b: 1});
f({c: 1});
f({d: 1});
assertTrue(main(true, true));
assertTrue(main(true, true));
assertTrue(main(false, true));
assertTrue(main(false, true));
%OptimizeFunctionForTopTier(main);
assertFalse(main(false));