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113 lines
3.1 KiB
ReStructuredText
113 lines
3.1 KiB
ReStructuredText
llvm-link - LLVM bitcode linker
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===============================
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.. program:: llvm-link
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SYNOPSIS
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--------
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:program:`llvm-link` [*options*] *filename ...*
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DESCRIPTION
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-----------
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:program:`llvm-link` takes several LLVM bitcode files and links them together
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into a single LLVM bitcode file. It writes the output file to standard output,
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unless the :option:`-o` option is used to specify a filename.
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OPTIONS
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-------
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.. option:: -f
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Enable binary output on terminals. Normally, :program:`llvm-link` will refuse
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to write raw bitcode output if the output stream is a terminal. With this
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option, :program:`llvm-link` will write raw bitcode regardless of the output
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device.
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.. option:: -o filename
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Specify the output file name. If ``filename`` is "``-``", then
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:program:`llvm-link` will write its output to standard output.
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.. option:: -S
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Write output in LLVM intermediate language (instead of bitcode).
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.. option:: -d
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If specified, :program:`llvm-link` prints a human-readable version of the
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output bitcode file to standard error.
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.. option:: --help
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Print a summary of command line options.
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.. option:: -v
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Verbose mode. Print information about what :program:`llvm-link` is doing.
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This typically includes a message for each bitcode file linked in and for each
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library found.
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.. option:: --override <filename>
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Adds the passed-in file to the link and overrides symbols that have already
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been declared with the definitions in the file that is passed in. This flag
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can be specified multiple times to have multiple files act as overrides. If
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a symbol is declared more than twice, the definition from the file declared
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last takes precedence.
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.. option:: --import <function:filename>
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Specify a function that should be imported from the specified file for
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linking with ThinLTO. This option can be specified multiple times to import
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multiple functions.
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.. option:: --summary-index <filename>
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Specify the path to a file containing the module summary index with the
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results of an earlier ThinLTO link. This option is required when
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`--import` is used.
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.. option:: --internalize
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Maintains existing linkage for symbols defined in the first input and
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converts linkage in all other inputs to internal linkage unless they are
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referenced by `llvm*.used` or are special-cased runtime functions (e.g.
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stack protector runtime).
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.. option:: --disable-debug-info-type-map
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Disables the use of a uniquing type map for debug info.
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.. option:: --only-needed
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Link only needed symbols.
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.. option:: --disable-lazy-loading
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Disable lazy module loading.
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.. option:: --suppress-warnings
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Suppress all linker warnings.
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.. option:: --preserve-bc-uselistorder
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Preserve the use-list order when writing LLVM bitcode.
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.. option:: --preserve-ll-uselistorder
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Preserve the use-list order when writing LLVM assembly.
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.. option:: --ignore-non-bitcode
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Do not error out when a non-bitcode file is encountered while processing
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an archive.
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EXIT STATUS
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-----------
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If :program:`llvm-link` 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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