blob: deff3e71a7c5ba7c914f844a65eeadb047992d96 [file] [log] [blame]
// Copyright 2014 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Flags: --allow-natives-syntax --opt --no-always-opt
var global = this;
Array.prototype.f = function() {
return 0;
};
(function() {
var called = 0;
function g(x, y, called) {
return called + 1;
}
function f(deopt, called) {
return g([].f.call({}), deopt + 1, called);
}
%PrepareFunctionForOptimization(f);
called = f(0, called);
called = f(0, called);
%OptimizeFunctionOnNextCall(f);
called = f(0, called);
assertOptimized(f);
called = f({}, called);
assertUnoptimized(f);
assertEquals(4, called);
})();
(function() {
// The array built-ins are only inlined if the receiver is a
// HConstant, this seems to require a *unique* global identifier
// each time.
global.a1 = [1,2,3,4];
var obj = {value: 3};
function f(b) {
return [].pop.call(a1) + b.value;
}
%PrepareFunctionForOptimization(f);
assertEquals(7, f(obj));
assertEquals(6, f(obj));
%OptimizeFunctionOnNextCall(f);
assertEquals(5, f(obj));
assertOptimized(f);
assertEquals(4, f({d: 0, value: 3}));
assertUnoptimized(f);
assertEquals(0, a1.length);
})();
(function() {
global.a2 = [1,2,3,4];
var obj = {value: 3};
function f(b) {
return [].shift.call(a2) + b.value;
}
%PrepareFunctionForOptimization(f);
assertEquals(4, f(obj));
assertEquals(5, f(obj));
%OptimizeFunctionOnNextCall(f);
assertEquals(6, f(obj));
assertOptimized(f);
assertEquals(7, f({d: 0, value: 3}));
assertUnoptimized(f);
assertEquals(0, a2.length);
})();
(function() {
global.a3 = [1,2,3,4];
var obj = {value: 3};
function f(b) {
return [].push.call(a3, b.value);
}
%PrepareFunctionForOptimization(f);
assertEquals(5, f(obj));
assertEquals(6, f(obj));
%OptimizeFunctionOnNextCall(f);
assertEquals(7, f(obj));
assertOptimized(f);
assertEquals(8, f({d: 0, value: 3}));
assertUnoptimized(f);
assertEquals(8, a3.length);
assertEquals(3, a3[7]);
})();
(function() {
global.a4 = [1,2,3,4];
var obj = {value: 3};
function f(b) {
return [].indexOf.call(a4, b.value);
}
%PrepareFunctionForOptimization(f);
f(obj);
f(obj);
%OptimizeFunctionOnNextCall(f);
var index1 = f(obj);
assertOptimized(f);
var index2 = f({d: 0, value: 3});
assertUnoptimized(f);
assertEquals(2, index1);
assertEquals(index1, index2);
})();
(function() {
global.a5 = [1,2,3,4];
var obj = {value: 3};
function f(b) {
return [].lastIndexOf.call(a5, b.value);
}
%PrepareFunctionForOptimization(f);
f(obj);
f(obj);
%OptimizeFunctionOnNextCall(f);
var index1 = f(obj);
assertOptimized(f);
var index2 = f({d: 0, value: 3});
assertUnoptimized(f);
assertEquals(2, index1);
assertEquals(index1, index2);
})();