-.. _bitcode_format:
-
.. role:: raw-html(raw)
:format: html
* Abbreviations, which specify compression optimizations for the file.
-Note that the `llvm-bcanalyzer <CommandGuide/html/llvm-bcanalyzer.html>`_ tool
-can be used to dump and inspect arbitrary bitstreams, which is very useful for
+Note that the :doc:`llvm-bcanalyzer <CommandGuide/llvm-bcanalyzer>` tool can be
+used to dump and inspect arbitrary bitstreams, which is very useful for
understanding the encoding.
.. _magic number:
``[VERSION, version#]``
The ``VERSION`` record (code 1) contains a single value indicating the format
-version. Version 0 and 1 are supported at this time. The difference between
+version. Versions 0 and 1 are supported at this time. The difference between
version 0 and 1 is in the encoding of instruction operands in
each `FUNCTION_BLOCK`_.
MODULE_CODE_FUNCTION Record
^^^^^^^^^^^^^^^^^^^^^^^^^^^
-``[FUNCTION, type, callingconv, isproto, linkage, paramattr, alignment, section, visibility, gc]``
+``[FUNCTION, type, callingconv, isproto, linkage, paramattr, alignment, section, visibility, gc, prefix]``
The ``FUNCTION`` record (code 8) marks the declaration or definition of a
function. The operand fields are:
* *unnamed_addr*: If present and non-zero, indicates that the function has
``unnamed_addr``
+* *prefix*: If non-zero, the value index of the prefix data for this function,
+ plus 1.
+
MODULE_CODE_ALIAS Record
^^^^^^^^^^^^^^^^^^^^^^^^