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ac41ea2277
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
83 lines
1.3 KiB
HTML
83 lines
1.3 KiB
HTML
<html>
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<title>
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LLVM: extract tool
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</title>
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<body>
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<center>
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<h1>LLVM: extract tool</h1>
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</center>
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<HR>
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<h3>
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NAME
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</h3>
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extract
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<h3>
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SYNOPSIS
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</h3>
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extract [options] [filename]
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<h3>
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DESCRIPTION
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</h3>
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The extract command takes the name of a function and extracts it from the
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specified LLVM bytecode file. It is primarily used as a debugging tool to
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reduce test cases from larger programs that are triggering a bug.
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<p>
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In addition to extracting the bytecode of the specified function, extract will
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also remove unreachable global variables, prototypes, and unused types.
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<p>
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The extract command will read its input from standard input if filename is
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omitted or if filename is -. The output is always written to standard output.
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<h3>
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OPTIONS
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</h3>
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<ul>
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<li>-func <function>
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<br>
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Extract function from the LLVM bytecode.
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<p>
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<li> -help
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<br>
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Print a summary of command line options.
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<p>
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<li> -stats
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<br>
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Print statistics.
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<p>
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<li> -time-passes
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<br>
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Record the amount of time needed for each pass and print it to standard
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error.
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</ul>
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<h3>
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EXIT STATUS
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</h3>
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If extract succeeds, it will exit with 0. Otherwise, if an error occurs, it
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will exit with a non-zero value.
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<h3>
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SEE ALSO
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</h3>
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bugpoint
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<HR>
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<a href="http://llvm.cs.uiuc.edu">LLVM Team</a>
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</body>
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</html>
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