// 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: --use-osr --allow-natives-syntax --opt // Flags: --no-always-opt // Can't OSR with always-opt or in Lite mode. if (isNeverOptimizeLiteMode()) { print("Warning: skipping test that requires optimization in Lite mode."); testRunner.quit(0); } assertFalse(isAlwaysOptimize()); function f() { do { do { for (var i = 0; i < 10; i++) %OptimizeOsr(); // Note: this check can't be wrapped in a function, because // calling that function causes a deopt from lack of call // feedback. var opt_status = %GetOptimizationStatus(f); assertTrue( (opt_status & V8OptimizationStatus.kMaybeDeopted) !== 0 || (opt_status & V8OptimizationStatus.kTopmostFrameIsTurboFanned) !== 0); } while (false); } while (false); } %PrepareFunctionForOptimization(f); f(); function g() { for (var i = 0; i < 1; i++) { } do { do { for (var i = 0; i < 1; i++) { } } while (false); } while (false); do { do { do { do { do { do { do { do { for (var i = 0; i < 10; i++) %OptimizeOsr(); var opt_status = %GetOptimizationStatus(g); assertTrue( (opt_status & V8OptimizationStatus.kMaybeDeopted) !== 0 || (opt_status & V8OptimizationStatus.kTopmostFrameIsTurboFanned) !== 0); } while (false); } while (false); } while (false); } while (false); } while (false); } while (false); } while (false); } while (false); } %PrepareFunctionForOptimization(g); g();