1// Copyright 2014 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: --allow-natives-syntax --turbo-deoptimization 29 30(function OneByteSeqStringSetCharDeoptOsr() { 31 function deopt() { 32 %DeoptimizeFunction(f); 33 } 34 35 function f(string, osr) { 36 var world = " world"; 37 %_OneByteSeqStringSetChar(0, (deopt(), 0x48), string); 38 39 if (osr) while (%GetOptimizationStatus(f) == 2) {} 40 41 return string + world; 42 } 43 44 assertEquals("Hello " + "world", f("hello", false)); 45 %OptimizeFunctionOnNextCall(f); 46 assertEquals("Hello " + "world", f("hello", true)); 47})(); 48 49 50(function OneByteSeqStringSetCharDeopt() { 51 function deopt() { 52 %DeoptimizeFunction(f); 53 } 54 55 function g(x) { 56 } 57 58 function f(string) { 59 g(%_OneByteSeqStringSetChar(0, (deopt(), 0x48), string)); 60 return string; 61 } 62 63 assertEquals("Hell" + "o", f("hello")); 64 %OptimizeFunctionOnNextCall(f); 65 assertEquals("Hell" + "o", f("hello")); 66})(); 67 68 69(function TwoByteSeqStringSetCharDeopt() { 70 function deopt() { 71 %DeoptimizeFunction(f); 72 } 73 74 function g(x) { 75 } 76 77 function f(string) { 78 g(%_TwoByteSeqStringSetChar(0, (deopt(), 0x48), string)); 79 return string; 80 } 81 82 assertEquals("Hell" + "o", f("\u20ACello")); 83 %OptimizeFunctionOnNextCall(f); 84 assertEquals("Hell" + "o", f("\u20ACello")); 85})(); 86