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Added information about the configuration file. This is a temporary home

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for this information as it belongs in a larger document on the subject of
llvmc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15566 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2004-08-07 16:30:14 +00:00
parent b814e2d1c0
commit af2f924757
1 changed files with 93 additions and 4 deletions
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97
docs/CommandGuide/llvmc.pod
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@ -272,16 +272,19 @@ it to the standard error.
=over
=item B<-T,pp>=I<options>
=item B<-Tool,opt>=I<options>
Pass an arbitrary option to the pre-processor.
=item B<-T,opt>=I<options>
Pass an arbitrary option to the optimizer.
=item B<-Tool,link>=I<options>
=item B<-T,link>=I<options>
Pass an arbitrary option to the linker.
=item B<-Tool,asm>=I<options>
=item B<-T,asm>=I<options>
Pass an arbitrary option to the code generator.
@ -507,11 +510,97 @@ viable options:
=over
=item XML
=item Windows .ini
=item specific to B<llvmc>
=back
=head2 Master Configuration Items
=head3 Section: [lang=I<LANGUAGE>]
This section provides the master configuration data for a given language. The
language specific data will be found in a file named I<LANGUAGE>.
=over
=item C<suffix=>I<suffix>
This adds the I<suffix> specified to the list of recognized suffixes for
the I<LANGUAGE> identified in the section. As many suffixes as are commonly used
for source files for the I<LANGUAGE> should be specified.
=back
=begin html
<p>For example, the following might appear for C++:
<pre><tt>
[lang=C++]
suffix=.cpp
suffix=.cxx
suffix=.C
</tt></pre></p>
=end html
=head2 Language Specific Configuration Items
=head3 Section: [general]
=over
=item C<hasPreProcessor=yes|no>
This item specifies whether the language has a pre-processing phase or not. This
controls whether the B<-E> option works for the language or not.
=item C<output=bc|ll>
This item specifies the kind of output the language's compiler generates. The
choices are either bytecode (C<bc>) or LLVM assembly (C<ll>).
=back
=head3 Section: [-O0]
=over
=item C<preprocess=>I<commandline>
This item specifies the I<commandline> to use for pre-processing the input.
=over
Valid substitutions for this item are:
=item %in%
The input source file.
=item %out%
The output file.
=item %options%
Any pre-processing specific options (e.g. B<-I>).
=back
=item C<translate=>I<commandline>
This item specifies the I<commandline> to use for translating the source
language input into the output format given by the C<output> item.
=item C<optimize=>I<commandline>
This item specifies the I<commandline> for optimizing the translator's output.
=back
=head1 EXIT STATUS
If B<llvmc> succeeds, it will exit with 0. Otherwise, if an error
@ -527,6 +616,6 @@ L<llc|llc>, L<llvm-link|llvm-link>
=head1 AUTHORS
Reid Spencer
Reid Spencer, L<rspencer@x10sys.com>
=cut