| Index: test/mjsunit/codegen_coverage.js
 | 
| ===================================================================
 | 
| --- test/mjsunit/codegen_coverage.js	(revision 2093)
 | 
| +++ test/mjsunit/codegen_coverage.js	(working copy)
 | 
| @@ -1,91 +0,0 @@
 | 
| -// Copyright 2009 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.
 | 
| -
 | 
| -// Test the paths in the code generator where values in specific
 | 
| -// registers get moved around so that the shift operation can use
 | 
| -// register ECX on ia32 for the shift amount.  Other codegen coverage
 | 
| -// tests should go here too.
 | 
| -
 | 
| -
 | 
| -
 | 
| -function identity(x) {
 | 
| -  return x;
 | 
| -}
 | 
| -
 | 
| -function cover_codegen_paths() {
 | 
| -  var x = 1;
 | 
| -  var a;  // Register EAX
 | 
| -  var b;  // Register EBX
 | 
| -  var c;  // Register ECX
 | 
| -  var d;  // Register EDX
 | 
| -  // Register ESI is already used.
 | 
| -  var di;  // Register EDI
 | 
| -
 | 
| -  while (x == 1) {
 | 
| -    x = identity(1);
 | 
| -    a = x + 1;
 | 
| -    c = x + 1;
 | 
| -    d = x + 1;
 | 
| -    b = x + 1;
 | 
| -    di = x + 1;
 | 
| -    // Locals are in the corresponding registers here.
 | 
| -    assertEquals(c << a, 8);
 | 
| -
 | 
| -    x = identity(1);
 | 
| -    a = x + 1;
 | 
| -    c = x + 1;
 | 
| -    d = x + 1;
 | 
| -    b = x + 1;
 | 
| -    di = x + 1;
 | 
| -    // Locals are in the corresponding registers here.
 | 
| -    assertEquals(a << c, 8);
 | 
| -
 | 
| -    x = identity(1);
 | 
| -    a = x + 1;
 | 
| -    c = x + 1;
 | 
| -    d = x + 1;
 | 
| -    b = x + 1;
 | 
| -    di = x + 1;
 | 
| -    // Locals are in the corresponding registers here.
 | 
| -    c = 0; // Free register ecx.
 | 
| -    assertEquals(a << d, 8);
 | 
| -
 | 
| -    x = identity(1);
 | 
| -    a = x + 1;
 | 
| -    c = x + 1;
 | 
| -    d = x + 1;
 | 
| -    b = x + 1;
 | 
| -    di = x + 1;
 | 
| -    // Locals are in the corresponding registers here.
 | 
| -    b = 0; // Free register ebx.
 | 
| -    assertEquals(a << d, 8);
 | 
| -
 | 
| -    x = 3;
 | 
| -  }
 | 
| -}
 | 
| -
 | 
| -cover_codegen_paths();
 | 
| 
 | 
| 
 |