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Documentation update.

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Expand a bit on various '--*-graph' options.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67836 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mikhail Glushenkov 2009-03-27 12:58:29 +00:00
parent d50d32b940
commit 4ad0d571fa
3 changed files with 41 additions and 31 deletions
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24
docs/CommandGuide/llvmc.pod
View File

@ -44,21 +44,24 @@ Enable verbose mode, i.e. print out all executed commands.
=item B<--check-graph>
Check the compilation for common errors like mismatched output/input
language names, multiple default edges and cycles. Hidden option,
useful for debugging.
Check the compilation for common errors like mismatched output/input language
names, multiple default edges and cycles. Because of plugins, these checks can't
be performed at compile-time. Exit with code zero if no errors were found, and
return the number of found errors otherwise. Hidden option, useful for debugging
LLVMC plugins.
=item B<--view-graph>
Show a graphical representation of the compilation graph. Requires
that you have I<dot> and I<gv> programs installed. Hidden option,
useful for debugging.
Show a graphical representation of the compilation graph and exit. Requires that
you have I<dot> and I<gv> programs installed. Hidden option, useful for
debugging LLVMC plugins.
=item B<--write-graph>
Write a I<compilation-graph.dot> file in the current directory with
the compilation graph description in the Graphviz format. Hidden
option, useful for debugging.
Write a I<compilation-graph.dot> file in the current directory with the
compilation graph description in Graphviz format (identical to the file used by
the B<--view-graph> option). The B<-o> option can be used to set the output file
name. Hidden option, useful for debugging LLVMC plugins.
=item B<--save-temps>
@ -109,7 +112,8 @@ Use Clang instead of llvm-gcc.
=item B<-opt>
Enable optimization with B<opt>.
Enable optimization passes with B<opt>. To pass options to the B<opt> program
use the B<-Wo,> option.
=item B<-I> I<directory>

25
docs/CompilerDriver.html
View File

@ -107,15 +107,18 @@ until the next -x option.</li>
<li><tt class="docutils literal"><span class="pre">-load</span> <span class="pre">PLUGIN_NAME</span></tt> - Load the specified plugin DLL. Example:
<tt class="docutils literal"><span class="pre">-load</span> <span class="pre">$LLVM_DIR/Release/lib/LLVMCSimple.so</span></tt>.</li>
<li><tt class="docutils literal"><span class="pre">-v</span></tt> - Enable verbose mode, i.e. print out all executed commands.</li>
<li><tt class="docutils literal"><span class="pre">--check-graph</span></tt> - Check the compilation for common errors like
mismatched output/input language names, multiple default edges and
cycles. Hidden option, useful for debugging.</li>
<li><tt class="docutils literal"><span class="pre">--view-graph</span></tt> - Show a graphical representation of the compilation
graph. Requires that you have <tt class="docutils literal"><span class="pre">dot</span></tt> and <tt class="docutils literal"><span class="pre">gv</span></tt> programs
installed. Hidden option, useful for debugging.</li>
<li><tt class="docutils literal"><span class="pre">--write-graph</span></tt> - Write a <tt class="docutils literal"><span class="pre">compilation-graph.dot</span></tt> file in the
current directory with the compilation graph description in the
Graphviz format. Hidden option, useful for debugging.</li>
<li><tt class="docutils literal"><span class="pre">--check-graph</span></tt> - Check the compilation for common errors like mismatched
output/input language names, multiple default edges and cycles. Because of
plugins, these checks can't be performed at compile-time. Exit with code zero if
no errors were found, and return the number of found errors otherwise. Hidden
option, useful for debugging LLVMC plugins.</li>
<li><tt class="docutils literal"><span class="pre">--view-graph</span></tt> - Show a graphical representation of the compilation graph
and exit. Requires that you have <tt class="docutils literal"><span class="pre">dot</span></tt> and <tt class="docutils literal"><span class="pre">gv</span></tt> programs installed. Hidden
option, useful for debugging LLVMC plugins.</li>
<li><tt class="docutils literal"><span class="pre">--write-graph</span></tt> - Write a <tt class="docutils literal"><span class="pre">compilation-graph.dot</span></tt> file in the current
directory with the compilation graph description in Graphviz format (identical
to the file used by the <tt class="docutils literal"><span class="pre">--view-graph</span></tt> option). The <tt class="docutils literal"><span class="pre">-o</span></tt> option can be used
to set the output file name. Hidden option, useful for debugging LLVMC plugins.</li>
<li><tt class="docutils literal"><span class="pre">--save-temps</span></tt> - Write temporary files to the current directory
and do not delete them on exit. Hidden option, useful for debugging.</li>
<li><tt class="docutils literal"><span class="pre">--help</span></tt>, <tt class="docutils literal"><span class="pre">--help-hidden</span></tt>, <tt class="docutils literal"><span class="pre">--version</span></tt> - These options have
@ -589,7 +592,7 @@ loaded last.</p>
<p>When writing LLVMC plugins, it can be useful to get a visual view of
the resulting compilation graph. This can be achieved via the command
line option <tt class="docutils literal"><span class="pre">--view-graph</span></tt>. This command assumes that <a class="reference" href="http://www.graphviz.org/">Graphviz</a> and
<a class="reference" href="http://pages.cs.wisc.edu/~ghost/">Ghostview</a> are installed. There is also a <tt class="docutils literal"><span class="pre">--dump-graph</span></tt> option that
<a class="reference" href="http://pages.cs.wisc.edu/~ghost/">Ghostview</a> are installed. There is also a <tt class="docutils literal"><span class="pre">--write-graph</span></tt> option that
creates a Graphviz source file (<tt class="docutils literal"><span class="pre">compilation-graph.dot</span></tt>) in the
current directory.</p>
<p>Another useful <tt class="docutils literal"><span class="pre">llvmc</span></tt> option is <tt class="docutils literal"><span class="pre">--check-graph</span></tt>. It checks the
@ -611,7 +614,7 @@ errors as its status code.</p>
<a href="mailto:foldr@codedgers.com">Mikhail Glushenkov</a><br />
<a href="http://llvm.org">LLVM Compiler Infrastructure</a><br />
Last modified: $Date$
Last modified: $Date: 2008-12-11 11:34:48 -0600 (Thu, 11 Dec 2008) $
</address></div>
</div>
</div>

23
tools/llvmc/doc/LLVMC-Reference.rst
View File

@ -92,17 +92,20 @@ configuration libraries:
* ``-v`` - Enable verbose mode, i.e. print out all executed commands.
* ``--check-graph`` - Check the compilation for common errors like
mismatched output/input language names, multiple default edges and
cycles. Hidden option, useful for debugging.
* ``--check-graph`` - Check the compilation for common errors like mismatched
output/input language names, multiple default edges and cycles. Because of
plugins, these checks can't be performed at compile-time. Exit with code zero if
no errors were found, and return the number of found errors otherwise. Hidden
option, useful for debugging LLVMC plugins.
* ``--view-graph`` - Show a graphical representation of the compilation
graph. Requires that you have ``dot`` and ``gv`` programs
installed. Hidden option, useful for debugging.
* ``--view-graph`` - Show a graphical representation of the compilation graph
and exit. Requires that you have ``dot`` and ``gv`` programs installed. Hidden
option, useful for debugging LLVMC plugins.
* ``--write-graph`` - Write a ``compilation-graph.dot`` file in the
current directory with the compilation graph description in the
Graphviz format. Hidden option, useful for debugging.
* ``--write-graph`` - Write a ``compilation-graph.dot`` file in the current
directory with the compilation graph description in Graphviz format (identical
to the file used by the ``--view-graph`` option). The ``-o`` option can be used
to set the output file name. Hidden option, useful for debugging LLVMC plugins.
* ``--save-temps`` - Write temporary files to the current directory
and do not delete them on exit. Hidden option, useful for debugging.
@ -631,7 +634,7 @@ Debugging
When writing LLVMC plugins, it can be useful to get a visual view of
the resulting compilation graph. This can be achieved via the command
line option ``--view-graph``. This command assumes that Graphviz_ and
Ghostview_ are installed. There is also a ``--dump-graph`` option that
Ghostview_ are installed. There is also a ``--write-graph`` option that
creates a Graphviz source file (``compilation-graph.dot``) in the
current directory.