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98 lines
2.0 KiB
HTML
98 lines
2.0 KiB
HTML
<html>
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<title>
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LLVM: llvm-as tool
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</title>
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<body bgcolor=white>
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<center><h1>LLVM: <tt>llvm-as</tt> tool</h1></center>
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<HR>
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<h3>NAME</h3>
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<tt>llvm-as</tt>
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<h3>SYNOPSIS</h3>
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<tt>llvm-as [options] [filename]</tt>
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<h3>DESCRIPTION</h3>
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The <tt>llvm-as</tt> command is the LLVM assembler. It reads a file containing
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human readable LLVM assembly language, translates it to LLVM bytecode, and
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writes the result into a file or to standard output.
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<p>
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If filename is omitted or is -, then <tt>llvm-as</tt> reads its input from
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standard input.
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<p>
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If an output file is not specified with the <tt>-o</tt> option, then
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<tt>llvm-as</tt> sends its output to a file or standard output by the following
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logic:
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<ul>
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<li>
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If the input is standard input, then the output is standard output.
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<p>
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<li>
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If the input is a file that ends with .ll, then the output file is of
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the same name, except that the suffix is changed to .bc.
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<p>
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<li>
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If the input is a file that does not end with the .ll suffix, then the
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output file has the same name as the input file, except that the .bc
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suffix is appended.
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<p>
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</ul>
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<h3>OPTIONS</h3>
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<ul>
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<li> -f
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<br>
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Force overwrite. Normally, <tt>llvm-as</tt> will refuse to overwrite an
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output file that already exists. With this option, <tt>llvm-as</tt>
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will overwrite the output file and replace it with new 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> -o <filename>
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<br>
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Specify the output filename. If filename is -, then <tt>llvm-as</tt>
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sends its output to standard output.
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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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<p>
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</ul>
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<h3>EXIT STATUS</h3>
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If <tt>llvm-as</tt> succeeds, it will exit with 0. Otherwise, if an error
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occurs, it will exit with a non-zero value.
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<h3>SEE ALSO</h3>
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<a href="llvm-dis.html"><tt>llvm-dis</tt></a>
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<a href="gccas.html"><tt>gccas</tt></a>
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<HR>
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Maintained by the <a href="http://llvm.cs.uiuc.edu">LLVM Team</a>.
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</body>
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</html>
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