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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38437 91177308-0d34-0410-b5e6-96231b3b80d8
67 lines
1.4 KiB
Plaintext
67 lines
1.4 KiB
Plaintext
=pod
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=head1 NAME
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llvm-upgrade - LLVM assembly upgrade tool
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=head1 SYNOPSIS
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B<llvm-upgrade> [I<options>] [I<filename>]
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=head1 DESCRIPTION
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B<llvm-upgrade> is the LLVM assembly upgrade tool. It reads a file containing
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human-readable LLVM assembly language, and upgrades that assembly to the current
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version of LLVM. If the input is in the form currently accepted by LLVM, then
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no upgrades are performed.
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The expected usage of this tool is as a filter, like this:
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=over
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B<llvm-1.9/bin/llvm-dis < 1.9.bc | llvm-upgrade | llvm-2.0/bin/llvm-as -o 2.0.bc>
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=back
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If F<filename> is omitted or is C<->, then B<llvm-upgrade> reads its input from
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standard input.
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If an output file is not specified with the B<-o> option, then
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B<llvm-upgrade> sends its output to standard output.
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=head1 OPTIONS
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=over
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=item B<-f>
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Force overwrite. Normally, B<llvm-upgrade> will refuse to overwrite an
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output file that already exists. With this option, B<llvm-upgrade>
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will overwrite the output file.
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=item B<--help>
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Print a summary of command line options.
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=item B<-o> F<filename>
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Specify the output file name. If F<filename> is C<->, then B<llvm-upgrade>
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sends its output to standard output.
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=back
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=head1 EXIT STATUS
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If B<llvm-upgrade> succeeds, it will exit with 0. Otherwise, if an error
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occurs, it will exit with a non-zero value.
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=head1 SEE ALSO
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L<llvm-as|llvm-as>, L<llvm-dis|llvm-dis>
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=head1 AUTHORS
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Maintained by the LLVM Team (L<http://llvm.org>).
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=cut
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