v8/test/mjsunit/compiler/named-store.js
Mathias Bynens c6a16c10dd [test] Add %PrepareForOptimization to even more tests
With bytecode flushing and lazy feedback allocation, we need to call
%PrepareForOptimization before we call %OptimizeFunctionOnNextCall,
ideally after declaring the function.

Bug: v8:8801, v8:8394, v8:9183
Change-Id: I3fb257282a30f6526a376a3afdedb44786320d34
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1648255
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62119}
2019-06-12 14:40:14 +00:00

69 lines
1.2 KiB
JavaScript

// Copyright 2015 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
function Foo(a, b) {
var bname = "b";
this["a"] = a;
this[bname] = b;
this.x = this.a + this.b;
}
var f1 = new Foo(3, 4);
assertEquals(7, f1.x);
// SMIs
for (var i = 0; i < 6; i++) {
var f = new Foo(i, i + 2);
assertEquals(i + i + 2, f.x);
}
// derbles
for (var i = 0.25; i < 6.25; i++) {
var f = new Foo(i, i + 2);
assertEquals(i + i + 2, f.x);
}
// stirngs
for (var i = 0; i < 6; i++) {
var f = new Foo(i + '', i + 2 + '');
assertEquals(i + '' + (i + 2 + ''), f.x);
}
{
function Global(i) {
this.bla = i;
};
%PrepareFunctionForOptimization(Global);
Global(0);
Global(1);
%OptimizeFunctionOnNextCall(Global);
Global(2);
assertEquals(bla, 2);
}
{
function access(obj) {
obj.bla = 42;
}
access({a: 0});
access({b: 0});
access({c: 0});
access({d: 0});
access({e: 0});
var global = this;
function foo() {
access(global);
};
%PrepareFunctionForOptimization(foo);
;
foo();
foo();
%OptimizeFunctionOnNextCall(foo);
foo();
}