v8/test/mjsunit/regress/regress-crbug-381534.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

43 lines
1.1 KiB
JavaScript

// Copyright 2014 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 = {};
function f(v) {
var v1 = -(4 / 3);
var v2 = 1;
var arr = new Array(
+0, true, 0, -0, false, undefined, null, '0', obj, v1, -(4 / 3),
-1.3333333333333, 'str', v2, 1, false);
assertEquals(10, arr.lastIndexOf(-(4 / 3)));
assertEquals(9, arr.indexOf(-(4 / 3)));
assertEquals(10, arr.lastIndexOf(v));
assertEquals(9, arr.indexOf(v));
assertEquals(8, arr.lastIndexOf(obj));
assertEquals(8, arr.indexOf(obj));
};
%PrepareFunctionForOptimization(f);
function g(v, x, index) {
var arr = new Array({}, x - 1.1, x - 2, x - 3.1);
assertEquals(index, arr.indexOf(0));
assertEquals(index, arr.lastIndexOf(0));
assertEquals(index, arr.indexOf(v));
assertEquals(index, arr.lastIndexOf(v));
};
%PrepareFunctionForOptimization(g);
f(-(4 / 3));
f(-(4 / 3));
%OptimizeFunctionOnNextCall(f);
f(-(4 / 3));
g(0, 2, 2);
g(0, 3.1, 3);
%OptimizeFunctionOnNextCall(g);
g(0, 1.1, 1);