v8/test/mjsunit/compiler/osr-regex-id.js
titzer 4c302ca290 Make it easier to test OSR with %OptimizeOsr() runtime call.
This call triggers OSR for the current function. And also allows explicitly testing OSR on the top-level code.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/906243002

Cr-Commit-Position: refs/heads/master@{#26523}
2015-02-09 12:47:43 +00:00

55 lines
976 B
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 --use-osr --turbo-osr
function id(f) { return f; }
function foo(a) {
var r = /\0/;
for (var i = 0; i < 10; i++) {
if (a) %OptimizeOsr();
}
return r;
}
function bar(a) {
for (var i = 0; i < 10; i++) {
if (a) %OptimizeOsr();
var r = /\0/;
}
return r;
}
function baz(a) {
for (var i = 0; i < 10; i++) {
if (a) %OptimizeOsr();
}
return /\0/;
}
function qux(a) {
for (var i = 0; i < 10; i++) {
if (i > 5 && a) {
%OptimizeOsr();
} else {
var r = /\0/;
}
}
return r;
}
function test(f) {
// Test the reference equality of regex's created in OSR'd function.
var x = f(false);
assertEquals(x, f(true));
assertEquals(x, f(true));
assertEquals(x, f(true));
}
test(foo);
test(bar);
test(baz);
test(qux);