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=pod
=head1 NAME
llvm-gcc - LLVM C front-end
=head1 SYNOPSIS
B<llvm-gcc> [I<options>] I<filename>
=head1 DESCRIPTION
The B<llvm-gcc> command is the LLVM C front end. It is a modified
version of gcc that compiles C/ObjC programs into native objects, LLVM
bitcode or LLVM assembly language, depending upon the options.
By default, B<llvm-gcc> compiles to native objects just like GCC does. If the
B<-emit-llvm> and B<-c> options are given then it will generate LLVM bitcode files
instead. If B<-emit-llvm> and B<-S> are given, then it will generate LLVM
assembly.
Being derived from the GNU Compiler Collection, B<llvm-gcc> has many
of gcc's features and accepts most of gcc's options. It handles a
number of gcc's extensions to the C programming language. See the gcc
documentation for details.
=head1 OPTIONS
=over
=item B<--help>
Print a summary of command line options.
=item B<-o> I<filename>
Specify the output file to be I<filename>.
=item B<-I> I<directory>
Add a directory to the header file search path. This option can be
repeated.
=item B<-L> I<directory>
Add I<directory> to the library search path. This option can be
repeated.
=item B<-l>I<name>
Link in the library libI<name>.[bc | a | so]. This library should
be a bitcode library.
=item B<-emit-llvm>
Make the output be LLVM bitcode (with B<-c>) or assembly (with B<-s>) instead
of native object (or assembly). If B<-emit-llvm> is given without either B<-c>
or B<-S> it has no effect.
=back
=head1 EXIT STATUS
If B<llvm-gcc> succeeds, it will exit with 0. Otherwise, if an error
occurs, it will exit with a non-zero value.
=head1 SEE ALSO
L<llvm-g++|llvmgxx>
=head1 AUTHORS
Maintained by the LLVM Team (L<http://llvm.org/>).
=cut
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