141728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// Copyright 2013 the V8 project authors. All rights reserved. 241728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// Redistribution and use in source and binary forms, with or without 341728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// modification, are permitted provided that the following conditions are 441728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// met: 541728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// 641728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// * Redistributions of source code must retain the above copyright 741728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// notice, this list of conditions and the following disclaimer. 841728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// * Redistributions in binary form must reproduce the above 941728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// copyright notice, this list of conditions and the following 1041728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// disclaimer in the documentation and/or other materials provided 1141728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// with the distribution. 1241728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// * Neither the name of Google Inc. nor the names of its 1341728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// contributors may be used to endorse or promote products derived 1441728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// from this software without specific prior written permission. 1541728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// 1641728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1741728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1841728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1941728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2041728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2141728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2241728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2341728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2441728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2541728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2641728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2741728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org 2841728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// Flags: --allow-natives-syntax 29a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.org// Flags: --concurrent-recompilation --block-concurrent-recompilation 3041728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org 319259716434187c932704601f700375e53d865de8rossberg@chromium.orgif (!%IsConcurrentRecompilationSupported()) { 329259716434187c932704601f700375e53d865de8rossberg@chromium.org print("Concurrent recompilation is disabled. Skipping this test."); 331510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org quit(); 341510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org} 351510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org 3641728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.orgfunction f1(a, i) { 3741728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org return a[i] + 0.5; 3841728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org} 3941728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org 4041728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.orgvar arr = [0.0,,2.5]; 4141728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.orgassertEquals(0.5, f1(arr, 0)); 4241728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.orgassertEquals(0.5, f1(arr, 0)); 4341728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org 4441728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org// Optimized code of f1 depends on initial object and array maps. 459259716434187c932704601f700375e53d865de8rossberg@chromium.org%OptimizeFunctionOnNextCall(f1, "concurrent"); 46a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.org// Kick off recompilation; 4741728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.orgassertEquals(0.5, f1(arr, 0)); 48a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.org// Invalidate current initial object map after compile graph has been created. 49a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.orgObject.prototype[1] = 1.5; 5041728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.orgassertEquals(2, f1(arr, 1)); 51a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.org// Not yet optimized since concurrent recompilation is blocked. 52ba72ec861b69b67139c93fc6dd56f4a73c9b3135jkummerow@chromium.orgassertUnoptimized(f1, "no sync"); 53a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.org// Let concurrent recompilation proceed. 54a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.org%UnblockConcurrentRecompilation(); 55ba72ec861b69b67139c93fc6dd56f4a73c9b3135jkummerow@chromium.org// Sync with background thread to conclude optimization, which bails out 56ba72ec861b69b67139c93fc6dd56f4a73c9b3135jkummerow@chromium.org// due to map dependency. 57ba72ec861b69b67139c93fc6dd56f4a73c9b3135jkummerow@chromium.orgassertUnoptimized(f1, "sync"); 584954674151afa960af66efb4831df06bde727333yangguo@chromium.org//Clear type info for stress runs. 594954674151afa960af66efb4831df06bde727333yangguo@chromium.org%ClearFunctionTypeFeedback(f1); 60