v8/test/mjsunit/compiler/construct-receiver.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

30 lines
882 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
class C {
bla() {};
constructor() { %TurbofanStaticAssert(this.bla === bla); }
}
const bla = C.prototype.bla;
function bar(f) { return new f; }
var CC = C;
function foo() { return bar(CC); }
%PrepareFunctionForOptimization(C);
%PrepareFunctionForOptimization(bla);
%PrepareFunctionForOptimization(foo);
%PrepareFunctionForOptimization(bar);
// Make {this.bla} in C megamorphic
new class extends C { constructor() { super(); this.a = 1 } }
new class extends C { constructor() { super(); this.b = 1 } }
new class extends C { constructor() { super(); this.c = 1 } }
new class extends C { constructor() { super(); this.d = 1 } }
foo();
%OptimizeFunctionForTopTier(foo);
foo();