Adding some very nascent information about the clang tablegen backends, with a promis...

[oota-llvm.git] / docs / BitCodeFormat.rst

diff --git a/docs/BitCodeFormat.rst b/docs/BitCodeFormat.rst
index 69a815f9ea4c225541e82f1d0739724c745f4dd6..86436ff6334b934f3cf212f4dc5deb0f41aea0bd 100644 (file)
--- a/docs/BitCodeFormat.rst
+++ b/docs/BitCodeFormat.rst
@@ -1,5 +1,3 @@
-.. _bitcode_format:
-
 .. role:: raw-html(raw)
    :format: html
 
@@ -54,9 +52,9 @@ structure.  This structure consists of the following concepts:
 
 * Abbreviations, which specify compression optimizations for the file.
 
-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.
+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:
 
@@ -660,7 +658,7 @@ for each library name referenced.
 MODULE_CODE_GLOBALVAR Record
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-``[GLOBALVAR, pointer type, isconst, initid, linkage, alignment, section, visibility, threadlocal, unnamed_addr]``
+``[GLOBALVAR, pointer type, isconst, initid, linkage, alignment, section, visibility, threadlocal, unnamed_addr, dllstorageclass]``
 
 The ``GLOBALVAR`` record (code 7) marks the declaration or definition of a
 global variable. The operand fields are:
@@ -690,7 +688,8 @@ global variable. The operand fields are:
   * ``weak_odr``: code 10
   * ``linkonce_odr``: code 11
   * ``available_externally``: code 12
-  * ``linker_private``: code 13
+  * deprecated : code 13
+  * deprecated : code 14
 
 * alignment*: The logarithm base 2 of the variable's requested alignment, plus 1
 
@@ -715,12 +714,20 @@ global variable. The operand fields are:
 * *unnamed_addr*: If present and non-zero, indicates that the variable has
   ``unnamed_addr``
 
+.. _dllstorageclass:
+
+* *dllstorageclass*: If present, an encoding of the DLL storage class of this variable:
+
+  * ``default``: code 0
+  * ``dllimport``: code 1
+  * ``dllexport``: code 2
+
 .. _FUNCTION:
 
 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, dllstorageclass]``
 
 The ``FUNCTION`` record (code 8) marks the declaration or definition of a
 function. The operand fields are:
@@ -731,11 +738,17 @@ function. The operand fields are:
   * ``ccc``: code 0
   * ``fastcc``: code 8
   * ``coldcc``: code 9
+  * ``webkit_jscc``: code 12
+  * ``anyregcc``: code 13
+  * ``preserve_mostcc``: code 14
+  * ``preserve_allcc``: code 15
   * ``x86_stdcallcc``: code 64
   * ``x86_fastcallcc``: code 65
   * ``arm_apcscc``: code 66
   * ``arm_aapcscc``: code 67
   * ``arm_aapcs_vfpcc``: code 68
+  * ``x86_thiscallcc``: code 70
+  * ``x86_cdeclmethodcc``: code 80
 
 * isproto*: Non-zero if this entry represents a declaration rather than a
   definition
@@ -759,10 +772,15 @@ 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.
+
+* *dllstorageclass*: An encoding of the `dllstorageclass`_ of this function
+
 MODULE_CODE_ALIAS Record
 ^^^^^^^^^^^^^^^^^^^^^^^^
 
-``[ALIAS, alias type, aliasee val#, linkage, visibility]``
+``[ALIAS, alias type, aliasee val#, linkage, visibility, dllstorageclass]``
 
 The ``ALIAS`` record (code 9) marks the definition of an alias. The operand
 fields are
@@ -775,6 +793,8 @@ fields are
 
 * *visibility*: If present, an encoding of the `visibility`_ of the alias
 
+* *dllstorageclass*: If present, an encoding of the `dllstorageclass`_ of the alias
+
 MODULE_CODE_PURGEVALS Record
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
@@ -1075,7 +1095,7 @@ named type.
 VALUE_SYMTAB_BLOCK Contents
 ---------------------------
 
-The ``VALUE_SYMTAB_BLOCK`` block (id 14) ... 
+The ``VALUE_SYMTAB_BLOCK`` block (id 14) ...
 
 .. _METADATA_BLOCK: