1c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// Copyright 2011 the V8 project authors. All rights reserved. 2c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// Redistribution and use in source and binary forms, with or without 3c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// modification, are permitted provided that the following conditions are 4c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// met: 5c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// 6c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// * Redistributions of source code must retain the above copyright 7c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// notice, this list of conditions and the following disclaimer. 8c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// * Redistributions in binary form must reproduce the above 9c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// copyright notice, this list of conditions and the following 10c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// disclaimer in the documentation and/or other materials provided 11c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// with the distribution. 12c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// * Neither the name of Google Inc. nor the names of its 13c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// contributors may be used to endorse or promote products derived 14c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// from this software without specific prior written permission. 15c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// 16c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org 28c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// Flags: --allow-natives-syntax 29c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org 30c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org// This is a regression test for overlapping key and value registers. 31c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org 32c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.orgvar types = [Array, Int8Array, Uint8Array, Int16Array, Uint16Array, 33c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org Int32Array, Uint32Array, Uint8ClampedArray, Float32Array, 34c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org Float64Array]; 35c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org 36c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.orgvar results1 = [-2, -2, 254, -2, 65534, -2, 4294967294, 0, -2, -2]; 37c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.orgvar results2 = [undefined, -1, 255, -1, 65535, -1, 4294967295, 0, -1, -1]; 38c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.orgvar results3 = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]; 39c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.orgvar results4 = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]; 40c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org 41c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.orgconst kElementCount = 40; 42c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org 43c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.orgfunction do_slice(a) { 44c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org return Array.prototype.slice.call(a, 4, 8); 45c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org} 46c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org 47c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.orgfor (var t = 0; t < types.length; t++) { 48c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org var type = types[t]; 49c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org var a = new type(kElementCount); 50c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org for (var i = 0; i < kElementCount; ++i ) { 51c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org a[i] = i-6; 52c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org } 53c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org delete a[5]; 54c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org var sliced = do_slice(a); 55c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org 56c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org %ClearFunctionTypeFeedback(do_slice); 57c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org assertEquals(results1[t], sliced[0]); 58c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org assertEquals(results2[t], sliced[1]); 59c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org assertEquals(results3[t], sliced[2]); 60c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org assertEquals(results4[t], sliced[3]); 61c6d9cee74ef337517b541fbd58e5438920699a77mstarzinger@chromium.org} 62