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.\" ========================================================================
.\"
.IX Title "LLVM-UPGRADE 1"
.TH LLVM-UPGRADE 1 "2006-12-02" "CVS" "LLVM Command Guide"
.SH "NAME"
llvm\-upgrade \- LLVM assembly upgrader
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBllvm-upgrade\fR [\fIoptions\fR] [\fIfilename\fR]
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBllvm-upgrade\fR is the \s-1LLVM\s0 assembly upgrader. It reads a file containing
human-readable \s-1LLVM\s0 assembly language, and upgrades that assembly to the current
version of \s-1LLVM\s0. If the input is in the form currently accepted by \s-1LLVM\s0, then
no upgrades are performed.
.PP
The expected usage of this tool is as a filter, like this:
.Sp
.RS 4
\&\fBllvm\-1.9/bin/llvm\-dis < 1.9.bc | llvm-upgrade | llvm\-2.0/bin/llvm\-as \-o 2.0.bc\fR
.RE
.PP
If \fIfilename\fR is omitted or is \f(CW\*(C`\-\*(C'\fR, then \fBllvm-upgrade\fR reads its input from
standard input.
.PP
If an output file is not specified with the \fB\-o\fR option, then
\&\fBllvm-upgrade\fR sends its output to standard output.
.SH "OPTIONS"
.IX Header "OPTIONS"
.IP "\fB\-f\fR" 4
.IX Item "-f"
Force overwrite. Normally, \fBllvm-upgrade\fR will refuse to overwrite an
output file that already exists. With this option, \fBllvm-upgrade\fR
will overwrite the output file.
.IP "\fB\-\-help\fR" 4
.IX Item "--help"
Print a summary of command line options.
.IP "\fB\-o\fR \fIfilename\fR" 4
.IX Item "-o filename"
Specify the output file name. If \fIfilename\fR is \f(CW\*(C`\-\*(C'\fR, then \fBllvm-upgrade\fR
sends its output to standard output.
.SH "EXIT STATUS"
.IX Header "EXIT STATUS"
If \fBllvm-upgrade\fR succeeds, it will exit with 0. Otherwise, if an error
occurs, it will exit with a non-zero value.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
llvm-as, llvm-dis
.SH "AUTHORS"
.IX Header "AUTHORS"
Maintained by the \s-1LLVM\s0 Team (<http://llvm.org>).
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