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      1 // Copyright 2011 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 --smi-only-arrays
     29 
     30 function burn() {
     31   var a = new Array(3);
     32   a[0] = 10;
     33   a[1] = 15.5;
     34   a[2] = 20;
     35   return a;
     36 }
     37 
     38 function check(a) {
     39   assertEquals(10, a[0]);
     40   assertEquals(15.5, a[1]);
     41   assertEquals(20, a[2]);
     42 }
     43 
     44 var b;
     45 for (var i = 0; i < 3; ++i) {
     46   b = burn();
     47   check(b);  // all OK
     48 }
     49 %OptimizeFunctionOnNextCall(burn);
     50 b = burn();
     51 check(b);  // fails
     52 
     53 
     54 function loop_test(x) {
     55   for (i=0;i<3;i++) {
     56     x[i] = (i+1) * 0.5;
     57   }
     58 }
     59 
     60 function check2(b) {
     61   assertEquals(0.5, b[0]);
     62   assertEquals(1.0, b[1]);
     63   assertEquals(1.5, b[2]);
     64 }
     65 
     66 for (var i = 0; i < 3; ++i) {
     67   b = [0,1,2];
     68   loop_test(b);
     69   check2(b);
     70 }
     71 %OptimizeFunctionOnNextCall(loop_test);
     72 b = [0,1,2];
     73 loop_test(b);
     74 check2(b);
     75