31a3cfbc10
BUG=v8:8801 Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256 Reviewed-on: https://chromium-review.googlesource.com/c/1495555 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#60001}
91 lines
3.2 KiB
JavaScript
91 lines
3.2 KiB
JavaScript
// 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;
|
|
}
|
|
|
|
%PrepareFunctionForOptimization(A);
|
|
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);
|
|
}
|
|
})();
|