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Diffstat (limited to 'docs/CommandGuide/extract.html')
| -rw-r--r-- | docs/CommandGuide/extract.html | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/docs/CommandGuide/extract.html b/docs/CommandGuide/extract.html index 36f01e4245..b42aec2a61 100644 --- a/docs/CommandGuide/extract.html +++ b/docs/CommandGuide/extract.html @@ -20,7 +20,7 @@ extract SYNOPSIS </h3> -extract [options] <filename> [filename ...] +extract [options] [filename] <h3> DESCRIPTION </h3> @@ -28,6 +28,14 @@ DESCRIPTION The extract command takes the name of a function and extracts it from the specified LLVM bytecode file. It is primarily used as a debugging tool to reduce test cases from larger programs that are triggering a bug. +<p> + +In addition to extracting the bytecode of the specified function, extract will +also remove unreachable global variables, prototypes, and unused types. +<p> + +The extract command will read its input from standard input if filename is +omitted or if filename is -. The output is always written to standard output. <h3> OPTIONS |