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(); |