Adding a skeleton for the LLVM Command Guide.
Hopefully the group as a whole will update this into a real guide.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8483 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CommandGuide/opt.html b/docs/CommandGuide/opt.html
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+<html>
+<title>
+opt
+</title>
+
+<body>
+
+<center>
+<h1>Low Level Virtual Machine</h1>
+</center>
+<HR>
+
+<h3>
+NAME
+</h3>
+
+opt
+
+<h3>
+SYNOPSIS
+</h3>
+
+opt [options] < filename>
+<h3>
+DESCRIPTION
+</h3>
+
+The opt command is the LLVM optimizer. It takes LLVM bytecode as input, runs
+the specified optimizations on it, and then outputs the optimized code in LLVM
+bytecode.
+
+The optimizations available via opt depend upon what libraries it was linked
+with, as well as any additional libraries that have been loaded with the -load
+option. Use the -help option to determine what optimizations you can use.
+
+<h3>
+OPTIONS
+</h3>
+
+<ul>
+ <li> -f
+ <br>
+ Force overwrite. Normally, opt will refuse to overwrite an output
+ file that already exists. With this option, opt will overwrite the
+ output file and replace it with new bytecode.
+ <p>
+
+ <li> -help
+ <br>
+ Print a summary of command line options.
+ <p>
+
+ <li> -o <filename>
+ <br>
+ Specify the output filename.
+ <p>
+
+ <li> -stats
+ <br>
+ Print statistics.
+ <p>
+
+ <li> -time-passes
+ <br>
+ Record the amount of time needed for each pass and print it to standard
+ error.
+ <p>
+
+ <li> -internalize-public-api-file <filename>
+ <br>
+ Preserve the symbol names listed in the file filename.
+ <p>
+
+ <li> -internalize-public-api-list=<list>
+ <br>
+ Perserve the symbol names specified.
+ <p>
+
+ <li> -q
+ <br>
+ Quiet mode. Do not print messages on whether the program was modified.
+ <p>
+
+ <li> -load <plugin.so>
+ <br>
+ Load the dynamic object plugin.so. This object should register new
+ optimization passes. Once loaded, the object will add new command line
+ options to enable various optimizations. To see the new complete list
+ of optimizations, use the -help and -load options together:
+ <p>
+ opt -load <plugin.so> -help
+ <p>
+
+ <li> -p
+ <br>
+ Print module after each transformation.
+ <p>
+</ul>
+
+<h3>
+EXIT STATUS
+</h3>
+
+If opt succeeds, it will exit with 0. Otherwise, if an error occurs, it
+will exit with a non-zero value.
+
+<h3>
+SEE ALSO
+</h3>
+analyze
+
+<HR>
+University of Illinois at Urbana-Champaign
+</body>
+</html>
+