llvm-extract man page on Minix

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LLVM-EXTRACT(1)		      LLVM Command Guide	       LLVM-EXTRACT(1)

NAME
       llvm-extract - extract a function from an LLVM module

SYNOPSIS
       llvm-extract [options] --func function-name [filename]

DESCRIPTION
       The llvm-extract command takes the name of a function and extracts it
       from the specified LLVM bitcode file.  It is primarily used as a
       debugging tool to reduce test cases from larger programs that are
       triggering a bug.

       In addition to extracting the bitcode of the specified function, llvm-
       extract will also remove unreachable global variables, prototypes, and
       unused types.

       The llvm-extract command reads its input from standard input if
       filename is omitted or if filename is -.	 The output is always written
       to standard output, unless the -o option is specified (see below).

OPTIONS
       -f  Enable binary output on terminals.  Normally, llvm-extract will
	   refuse to write raw bitcode output if the output stream is a
	   terminal. With this option, llvm-extract will write raw bitcode
	   regardless of the output device.

       --func function-name
	   Extract the function named function-name from the LLVM bitcode. May
	   be specified multiple times to extract multiple functions at once.

       --rfunc function-regular-expr
	   Extract the function(s) matching function-regular-expr from the
	   LLVM bitcode.  All functions matching the regular expression will
	   be extracted.  May be specified multiple times.

       --glob global-name
	   Extract the global variable named global-name from the LLVM
	   bitcode. May be specified multiple times to extract multiple global
	   variables at once.

       --rglob glob-regular-expr
	   Extract the global variable(s) matching global-regular-expr from
	   the LLVM bitcode. All global variables matching the regular
	   expression will be extracted.  May be specified multiple times.

       -help
	   Print a summary of command line options.

       -o filename
	   Specify the output filename.	 If filename is "-" (the default),
	   then llvm-extract sends its output to standard output.

       -S  Write output in LLVM intermediate language (instead of bitcode).

EXIT STATUS
       If llvm-extract succeeds, it will exit with 0.  Otherwise, if an error
       occurs, it will exit with a non-zero value.

SEE ALSO
       bugpoint

AUTHORS
       Maintained by the LLVM Team (<http://llvm.org/>).

CVS				  2011-12-13		       LLVM-EXTRACT(1)
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