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