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      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
     29 
     30 (function DeoptimizeArgCallFunctionGeneric() {
     31   var a = [];
     32 
     33   function f1(method, array, elem, deopt) {
     34     assertEquals('push', method);
     35   }
     36 
     37   function f2() { }
     38 
     39   function bar(x, deopt, f) {
     40     f('push', a, [x], deopt + 0);
     41   }
     42 
     43   function foo() { return bar(arguments[0], arguments[1], arguments[2]); }
     44   function baz(f, deopt) { return foo("x", deopt, f); }
     45 
     46   baz(f1, 0);
     47   baz(f2, 0);
     48   %OptimizeFunctionOnNextCall(baz);
     49   baz(f1, "deopt");
     50 })();
     51 
     52 
     53 (function DeoptimizeArgGlobalFunctionGeneric() {
     54   var a = [];
     55 
     56   var f1;
     57 
     58   f1 = function(method, array, elem, deopt) {
     59     assertEquals('push', method);
     60   }
     61 
     62   function bar(x, deopt, f) {
     63     f1('push', a, [x], deopt + 0);
     64   }
     65 
     66   function foo() { return bar(arguments[0], arguments[1]); }
     67   function baz(deopt) { return foo("x", deopt); }
     68 
     69   baz(0);
     70   baz(0);
     71   %OptimizeFunctionOnNextCall(baz);
     72   baz("deopt");
     73 })();
     74 
     75 
     76 (function DeoptimizeArgCallFunctionRuntime() {
     77   var a = [];
     78 
     79   var f1;
     80 
     81   f1 = function(method, array, elem, deopt) {
     82     assertEquals('push', method);
     83   }
     84 
     85   function bar(x, deopt) {
     86     %_CallFunction(null, 'push', [x][0], ((deopt + 0), 1), f1);
     87   }
     88 
     89   function foo() { return bar(arguments[0], arguments[1]); }
     90   function baz(deopt) { return foo(0, deopt); }
     91 
     92   baz(0);
     93   baz(0);
     94   %OptimizeFunctionOnNextCall(baz);
     95   baz("deopt");
     96 })();
     97