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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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docs/CommandGuide/llvmc.pod
+14 -10
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@@ -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>