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: --expose-debug-as debug --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 36Debug = debug.Debug 37 38function foo() { 39 var x = 1; 40 return x; 41} 42 43function bar() { 44 var x = 2; 45 return x; 46} 47 48foo(); 49// Mark and kick off recompilation. 50%OptimizeFunctionOnNextCall(foo, "concurrent"); 51foo(); 52 53// Set break points on an unrelated function. This clears both optimized 54// and (shared) unoptimized code on foo, and sets both to lazy-compile builtin. 55// Clear the break point immediately after to deactivate the debugger. 56// Do all of this after compile graph has been created. 57Debug.setBreakPoint(bar, 0, 0); 58Debug.clearAllBreakPoints(); 59 60// At this point, concurrent recompilation is still blocked. 61assertUnoptimized(foo, "no sync"); 62// Let concurrent recompilation proceed. 63%UnblockConcurrentRecompilation(); 64 65// Install optimized code when concurrent optimization finishes. 66// This needs to be able to deal with shared code being a builtin. 67assertUnoptimized(foo, "sync"); 68