blob: 0df3835c5b8ec15e11f2bcb21f02e077476b0355 [file] [log] [blame]
// Copyright 2017 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 foo = 'foo';
var bar = 'bar';
var a;
var b;
var c;
var d;
function baz() { return 'baz'; }
function test(arg) {
// All add operations are constant folded by native context
// specialization / inlining.
a = '"' + foo + '-' + bar + '"';
b = '"' + foo + '-' + baz() + '"';
// Reduce down to a JSAdd of folded constant + arg.
c = foo + bar + arg;
// Reduces to two JSAdds with other arguments constant folded.
d = '"' + foo + arg + bar + '"';
}
%PrepareFunctionForOptimization(test);
test('boo');
%OptimizeFunctionOnNextCall(test);
test('baa');
assertEquals('"foo-bar"', a);
assertEquals('"foo-baz"', b);
assertEquals('foobarbaa', c);
assertEquals('"foobaabar"', d);