| John Criswell | 58ebcd0 | 2003-09-17 14:11:24 +0000 | [diff] [blame] | 1 | <html> |
| 2 | <title> |
| Chris Lattner | ee43b69 | 2003-09-25 19:50:05 +0000 | [diff] [blame] | 3 | LLVM: extract tool |
| John Criswell | 58ebcd0 | 2003-09-17 14:11:24 +0000 | [diff] [blame] | 4 | </title> |
| 5 | |
| 6 | <body> |
| 7 | |
| 8 | <center> |
| Chris Lattner | f8cf416 | 2003-10-07 19:48:25 +0000 | [diff] [blame^] | 9 | <h1>LLVM: <tt>extract</tt> tool</h1> |
| John Criswell | 58ebcd0 | 2003-09-17 14:11:24 +0000 | [diff] [blame] | 10 | </center> |
| 11 | <HR> |
| 12 | |
| Chris Lattner | f8cf416 | 2003-10-07 19:48:25 +0000 | [diff] [blame^] | 13 | <h3>NAME</h3> |
| 14 | <tt>extract</tt> |
| John Criswell | 58ebcd0 | 2003-09-17 14:11:24 +0000 | [diff] [blame] | 15 | |
| 16 | <h3> |
| 17 | SYNOPSIS |
| 18 | </h3> |
| 19 | |
| Chris Lattner | f8cf416 | 2003-10-07 19:48:25 +0000 | [diff] [blame^] | 20 | <tt>extract [options] [filename]</tt> |
| John Criswell | 58ebcd0 | 2003-09-17 14:11:24 +0000 | [diff] [blame] | 21 | <h3> |
| 22 | DESCRIPTION |
| 23 | </h3> |
| 24 | |
| Chris Lattner | f8cf416 | 2003-10-07 19:48:25 +0000 | [diff] [blame^] | 25 | The <tt>extract</tt> command takes the name of a function and extracts it from |
| 26 | the specified LLVM bytecode file. It is primarily used as a debugging tool to |
| John Criswell | 58ebcd0 | 2003-09-17 14:11:24 +0000 | [diff] [blame] | 27 | reduce test cases from larger programs that are triggering a bug. |
| John Criswell | ac41ea2 | 2003-09-30 22:55:44 +0000 | [diff] [blame] | 28 | <p> |
| 29 | |
| Chris Lattner | f8cf416 | 2003-10-07 19:48:25 +0000 | [diff] [blame^] | 30 | In addition to extracting the bytecode of the specified function, |
| 31 | <tt>extract</tt> will also remove unreachable global variables, prototypes, and |
| 32 | unused types. |
| John Criswell | ac41ea2 | 2003-09-30 22:55:44 +0000 | [diff] [blame] | 33 | <p> |
| 34 | |
| Chris Lattner | f8cf416 | 2003-10-07 19:48:25 +0000 | [diff] [blame^] | 35 | The <tt>extract</tt> command reads its input from standard input if filename is |
| John Criswell | ac41ea2 | 2003-09-30 22:55:44 +0000 | [diff] [blame] | 36 | omitted or if filename is -. The output is always written to standard output. |
| John Criswell | 58ebcd0 | 2003-09-17 14:11:24 +0000 | [diff] [blame] | 37 | |
| 38 | <h3> |
| 39 | OPTIONS |
| 40 | </h3> |
| 41 | |
| 42 | <ul> |
| 43 | <li>-func <function> |
| 44 | <br> |
| Chris Lattner | f8cf416 | 2003-10-07 19:48:25 +0000 | [diff] [blame^] | 45 | Extract the specified function from the LLVM bytecode. |
| John Criswell | 58ebcd0 | 2003-09-17 14:11:24 +0000 | [diff] [blame] | 46 | <p> |
| 47 | |
| 48 | <li> -help |
| 49 | <br> |
| 50 | Print a summary of command line options. |
| 51 | <p> |
| John Criswell | 58ebcd0 | 2003-09-17 14:11:24 +0000 | [diff] [blame] | 52 | </ul> |
| 53 | |
| 54 | <h3> |
| 55 | EXIT STATUS |
| 56 | </h3> |
| 57 | |
| Chris Lattner | f8cf416 | 2003-10-07 19:48:25 +0000 | [diff] [blame^] | 58 | If <tt>extract</tt> succeeds, it will exit with 0. Otherwise, if an error |
| 59 | occurs, it will exit with a non-zero value. |
| John Criswell | 58ebcd0 | 2003-09-17 14:11:24 +0000 | [diff] [blame] | 60 | |
| 61 | <h3> |
| 62 | SEE ALSO |
| 63 | </h3> |
| Chris Lattner | f8cf416 | 2003-10-07 19:48:25 +0000 | [diff] [blame^] | 64 | <a href="bugpoint.html"><tt>bugpoint</tt></a> |
| John Criswell | 58ebcd0 | 2003-09-17 14:11:24 +0000 | [diff] [blame] | 65 | |
| 66 | <HR> |
| 67 | <a href="http://llvm.cs.uiuc.edu">LLVM Team</a> |
| 68 | </body> |
| 69 | </html> |
| 70 | |