1// Copyright 2013 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28// Flags: --track-fields --track-double-fields --allow-natives-syntax 29// Flags: --concurrent-recompilation --block-concurrent-recompilation 30 31if (!%IsConcurrentRecompilationSupported()) { 32 print("Concurrent recompilation is disabled. Skipping this test."); 33 quit(); 34} 35 36function new_object() { 37 var o = {}; 38 o.a = 1; 39 o.b = 2; 40 return o; 41} 42 43function add_field(obj) { 44 obj.c = 3; 45} 46var obj1 = new_object(); 47var obj2 = new_object(); 48add_field(obj1); 49add_field(obj2); 50%OptimizeFunctionOnNextCall(add_field, "concurrent"); 51 52var o = new_object(); 53// Kick off recompilation. 54add_field(o); 55// Invalidate transition map after compile graph has been created. 56o.c = 2.2; 57// In the mean time, concurrent recompiling is still blocked. 58assertUnoptimized(add_field, "no sync"); 59// Let concurrent recompilation proceed. 60%UnblockConcurrentRecompilation(); 61// Sync with background thread to conclude optimization that bailed out. 62assertUnoptimized(add_field, "sync"); 63// Clear type info for stress runs. 64%ClearFunctionTypeFeedback(add_field); 65