llvm-6502/docs/CommandGuide/extract.html

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LLVM: extract tool
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<h1>LLVM: <tt>extract</tt> tool</h1>
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<h3>NAME</h3>
<tt>extract</tt>

<h3>
SYNOPSIS
</h3>

<tt>extract [options] [filename]</tt>
<h3>
DESCRIPTION
</h3>

The <tt>extract</tt> command takes the name of a function and extracts it from
the specified LLVM bytecode file.  It is primarily used as a debugging tool to
reduce test cases from larger programs that are triggering a bug.
<p>

In addition to extracting the bytecode of the specified function,
<tt>extract</tt> will also remove unreachable global variables, prototypes, and
unused types.
<p>

The <tt>extract</tt> command reads its input from standard input if filename is
omitted or if filename is -.  The output is always written to standard output.

<h3>
OPTIONS
</h3>

<ul>
	<li>-func &lt;function&gt;
	<br>
	Extract the specified function from the LLVM bytecode.
	<p>

	<li> -help
	<br>
	Print a summary of command line options.
	<p>
</ul>

<h3>
EXIT STATUS
</h3>

If <tt>extract</tt> succeeds, it will exit with 0.  Otherwise, if an error
occurs, it will exit with a non-zero value.

<h3>
SEE ALSO
</h3>
<a href="bugpoint.html"><tt>bugpoint</tt></a>

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Maintained by the <a href="http://llvm.cs.uiuc.edu">LLVM Team</a>.
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Renamed the link page to llvmlink.html Added initial pages for the extract and llvm-link commands. Reworded the description of the -load option for analyze to hopefully make it more clear. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8575 91177308-0d34-0410-b5e6-96231b3b80d8 2003-09-17 14:11:24 +00:00			`<html>`
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Change the heading of the page to reflect the tool name git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8715 91177308-0d34-0410-b5e6-96231b3b80d8 2003-09-25 19:50:05 +00:00			`LLVM: extract tool`
Renamed the link page to llvmlink.html Added initial pages for the extract and llvm-link commands. Reworded the description of the -load option for analyze to hopefully make it more clear. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8575 91177308-0d34-0410-b5e6-96231b3b80d8 2003-09-17 14:11:24 +00:00			`</title>`

Consistently set the background color Change the footer to include "maintained by" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8938 91177308-0d34-0410-b5e6-96231b3b80d8 2003-10-07 20:12:05 +00:00			`<body bgcolor=white>`
Renamed the link page to llvmlink.html Added initial pages for the extract and llvm-link commands. Reworded the description of the -load option for analyze to hopefully make it more clear. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8575 91177308-0d34-0410-b5e6-96231b3b80d8 2003-09-17 14:11:24 +00:00
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<tt> stuff simplify a bit git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8933 91177308-0d34-0410-b5e6-96231b3b80d8 2003-10-07 19:48:25 +00:00			`<h1>LLVM: <tt>extract</tt> tool</h1>`
Renamed the link page to llvmlink.html Added initial pages for the extract and llvm-link commands. Reworded the description of the -load option for analyze to hopefully make it more clear. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8575 91177308-0d34-0410-b5e6-96231b3b80d8 2003-09-17 14:11:24 +00:00			`</center>`
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<tt> stuff simplify a bit git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8933 91177308-0d34-0410-b5e6-96231b3b80d8 2003-10-07 19:48:25 +00:00			`<h3>NAME</h3>`
			`<tt>extract</tt>`
Renamed the link page to llvmlink.html Added initial pages for the extract and llvm-link commands. Reworded the description of the -load option for analyze to hopefully make it more clear. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8575 91177308-0d34-0410-b5e6-96231b3b80d8 2003-09-17 14:11:24 +00:00
			`<h3>`
			`SYNOPSIS`
			`</h3>`

<tt> stuff simplify a bit git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8933 91177308-0d34-0410-b5e6-96231b3b80d8 2003-10-07 19:48:25 +00:00			`<tt>extract [options] [filename]</tt>`
Renamed the link page to llvmlink.html Added initial pages for the extract and llvm-link commands. Reworded the description of the -load option for analyze to hopefully make it more clear. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8575 91177308-0d34-0410-b5e6-96231b3b80d8 2003-09-17 14:11:24 +00:00			`<h3>`
			`DESCRIPTION`
			`</h3>`

<tt> stuff simplify a bit git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8933 91177308-0d34-0410-b5e6-96231b3b80d8 2003-10-07 19:48:25 +00:00			`The <tt>extract</tt> command takes the name of a function and extracts it from`
			`the specified LLVM bytecode file. It is primarily used as a debugging tool to`
Renamed the link page to llvmlink.html Added initial pages for the extract and llvm-link commands. Reworded the description of the -load option for analyze to hopefully make it more clear. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8575 91177308-0d34-0410-b5e6-96231b3b80d8 2003-09-17 14:11:24 +00:00			`reduce test cases from larger programs that are triggering a bug.`
Corrected usage synopsis. Added information regarding additional LLVM passes used, input defaults, and output defaults. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8802 91177308-0d34-0410-b5e6-96231b3b80d8 2003-09-30 22:55:44 +00:00			`<p>`

<tt> stuff simplify a bit git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8933 91177308-0d34-0410-b5e6-96231b3b80d8 2003-10-07 19:48:25 +00:00			`In addition to extracting the bytecode of the specified function,`
			`<tt>extract</tt> will also remove unreachable global variables, prototypes, and`
			`unused types.`
Corrected usage synopsis. Added information regarding additional LLVM passes used, input defaults, and output defaults. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8802 91177308-0d34-0410-b5e6-96231b3b80d8 2003-09-30 22:55:44 +00:00			`<p>`

<tt> stuff simplify a bit git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8933 91177308-0d34-0410-b5e6-96231b3b80d8 2003-10-07 19:48:25 +00:00			`The <tt>extract</tt> command reads its input from standard input if filename is`
Corrected usage synopsis. Added information regarding additional LLVM passes used, input defaults, and output defaults. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8802 91177308-0d34-0410-b5e6-96231b3b80d8 2003-09-30 22:55:44 +00:00			`omitted or if filename is -. The output is always written to standard output.`
Renamed the link page to llvmlink.html Added initial pages for the extract and llvm-link commands. Reworded the description of the -load option for analyze to hopefully make it more clear. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8575 91177308-0d34-0410-b5e6-96231b3b80d8 2003-09-17 14:11:24 +00:00
			`<h3>`
			`OPTIONS`
			`</h3>`

			`<ul>`
			`<li>-func <function>`
			`<br>`
<tt> stuff simplify a bit git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8933 91177308-0d34-0410-b5e6-96231b3b80d8 2003-10-07 19:48:25 +00:00			`Extract the specified function from the LLVM bytecode.`
Renamed the link page to llvmlink.html Added initial pages for the extract and llvm-link commands. Reworded the description of the -load option for analyze to hopefully make it more clear. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8575 91177308-0d34-0410-b5e6-96231b3b80d8 2003-09-17 14:11:24 +00:00			`<p>`

			`<li> -help`
			`<br>`
			`Print a summary of command line options.`
			`<p>`
			`</ul>`

			`<h3>`
			`EXIT STATUS`
			`</h3>`

<tt> stuff simplify a bit git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8933 91177308-0d34-0410-b5e6-96231b3b80d8 2003-10-07 19:48:25 +00:00			`If <tt>extract</tt> succeeds, it will exit with 0. Otherwise, if an error`
			`occurs, it will exit with a non-zero value.`
Renamed the link page to llvmlink.html Added initial pages for the extract and llvm-link commands. Reworded the description of the -load option for analyze to hopefully make it more clear. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8575 91177308-0d34-0410-b5e6-96231b3b80d8 2003-09-17 14:11:24 +00:00
			`<h3>`
			`SEE ALSO`
			`</h3>`
<tt> stuff simplify a bit git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8933 91177308-0d34-0410-b5e6-96231b3b80d8 2003-10-07 19:48:25 +00:00			`<a href="bugpoint.html"><tt>bugpoint</tt></a>`
Renamed the link page to llvmlink.html Added initial pages for the extract and llvm-link commands. Reworded the description of the -load option for analyze to hopefully make it more clear. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8575 91177308-0d34-0410-b5e6-96231b3b80d8 2003-09-17 14:11:24 +00:00
			`<HR>`
Consistently set the background color Change the footer to include "maintained by" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8938 91177308-0d34-0410-b5e6-96231b3b80d8 2003-10-07 20:12:05 +00:00			`Maintained by the <a href="http://llvm.cs.uiuc.edu">LLVM Team</a>.`
Renamed the link page to llvmlink.html Added initial pages for the extract and llvm-link commands. Reworded the description of the -load option for analyze to hopefully make it more clear. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8575 91177308-0d34-0410-b5e6-96231b3b80d8 2003-09-17 14:11:24 +00:00			`</body>`
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