v8/test/mjsunit/compiler/deopt-string-outofbounds.js
Ross McIlroy 31a3cfbc10 [Test] Add PrepareForOptimization to mjsunit/compiler
BUG=v8:8801

Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256
Reviewed-on: https://chromium-review.googlesource.com/c/1495555
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60001}
2019-03-04 12:25:41 +00:00

64 lines
1.3 KiB
JavaScript

// Copyright 2016 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
var s = "12345";
(function() {
function foo() { return s[5]; }
%PrepareFunctionForOptimization(foo);
foo();
foo();
%OptimizeFunctionOnNextCall(foo);
foo();
%PrepareFunctionForOptimization(foo);
%OptimizeFunctionOnNextCall(foo);
foo();
assertOptimized(foo);
})();
(function() {
function foo(i) { return s[i]; }
%PrepareFunctionForOptimization(foo);
foo(0);
foo(1);
%OptimizeFunctionOnNextCall(foo);
foo(5);
%PrepareFunctionForOptimization(foo);
%OptimizeFunctionOnNextCall(foo);
foo(5);
assertOptimized(foo);
})();
(function() {
function foo(s) { return s[5]; }
%PrepareFunctionForOptimization(foo);
foo(s);
foo(s);
%OptimizeFunctionOnNextCall(foo);
foo(s);
%PrepareFunctionForOptimization(foo);
%OptimizeFunctionOnNextCall(foo);
foo(s);
assertOptimized(foo);
})();
(function() {
function foo(s, i) { return s[i]; }
%PrepareFunctionForOptimization(foo);
foo(s, 0);
foo(s, 1);
%OptimizeFunctionOnNextCall(foo);
foo(s, 5);
%PrepareFunctionForOptimization(foo);
%OptimizeFunctionOnNextCall(foo);
foo(s, 5);
assertOptimized(foo);
})();