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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
     29 
     30 // Check that %NewObjectFromBound works correctly when called from optimized
     31 // frame.
     32 function foo(x, y, z) {
     33   assertEquals(1, x);
     34   assertEquals(2, y);
     35   assertEquals(3, z);
     36 }
     37 
     38 var bound_arg = [1];
     39 
     40 function f(y, z) {
     41   return %NewObjectFromBound(foo, bound_arg);
     42 }
     43 
     44 // Check that %NewObjectFromBound looks at correct frame for inlined function.
     45 function g(z, y) {
     46   return f(y, z); /* f should be inlined into g, note rotated arguments */
     47 }
     48 
     49 // Check that %NewObjectFromBound looks at correct frame for inlined function.
     50 function ff(x) { }
     51 function h(z2, y2) {
     52   var local_z = z2 >> 1;
     53   ff(local_z);
     54   var local_y = y2 >> 1;
     55   ff(local_y);
     56   return f(local_y, local_z); /* f should be inlined into h */
     57 }
     58 
     59 for (var i = 0; i < 5; i++) f(2, 3);
     60 %OptimizeFunctionOnNextCall(f);
     61 f(2, 3);
     62 
     63 for (var i = 0; i < 5; i++) g(3, 2);
     64 %OptimizeFunctionOnNextCall(g);
     65 g(3, 2);
     66 
     67 for (var i = 0; i < 5; i++) h(6, 4);
     68 %OptimizeFunctionOnNextCall(h);
     69 h(6, 4);
     70 
     71 // Check that %_IsConstructCall returns correct value when inlined
     72 var NON_CONSTRUCT_MARKER = {};
     73 var CONSTRUCT_MARKER = {};
     74 function baz() {
     75   return (!%_IsConstructCall()) ? NON_CONSTRUCT_MARKER : CONSTRUCT_MARKER;
     76 }
     77 
     78 function bar(x, y, z) {
     79   var non_construct = baz(); /* baz should be inlined */
     80   assertEquals(non_construct, NON_CONSTRUCT_MARKER);
     81   var construct = new baz();
     82   assertEquals(construct, CONSTRUCT_MARKER);
     83 }
     84 
     85 for (var i = 0; i < 5; i++) new bar(1, 2, 3);
     86 %OptimizeFunctionOnNextCall(bar);
     87 bar(1, 2, 3);
     88