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// Copyright 2013 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
// Test inlining and deoptimization of function.apply(this, arguments)
// calls for which the exact number of arguments is known.
(function () {
"use strict";
function test(argumentsCount) {
var dispatcher = {};
var deoptimize = { deopt:false };
dispatcher["const" + argumentsCount] = 0;
dispatcher.func = C;
function A(x,y) {
var r = "A";
if (argumentsCount == 1) r += B(10);
if (argumentsCount == 2) r += B(10, 11);
if (argumentsCount == 3) r += B(10, 11, 12);
assertSame(1, x);
assertSame(2, y);
return r;
}
function B(x,y) {
x = 0; y = 0;
var r = "B" + dispatcher.func.apply(this, arguments);
assertSame(argumentsCount, arguments.length);
for (var i = 0; i < arguments.length; i++) {
assertSame(10 + i, arguments[i]);
}
return r;
}
function C(x,y) {
x = 0; y = 0;
var r = "C"
deoptimize.deopt;
assertSame(argumentsCount, arguments.length);
for (var i = 0; i < arguments.length; i++) {
assertSame(10 + i, arguments[i]);
}
return r;
}
assertEquals("ABC", A(1,2));
assertEquals("ABC", A(1,2));
%OptimizeFunctionOnNextCall(A);
assertEquals("ABC", A(1,2));
delete deoptimize.deopt;
assertEquals("ABC", A(1,2));
%DeoptimizeFunction(A);
%ClearFunctionFeedback(A);
%DeoptimizeFunction(B);
%ClearFunctionFeedback(B);
%DeoptimizeFunction(C);
%ClearFunctionFeedback(C);
}
for (var a = 1; a <= 3; a++) {
test(a);
}
})();
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