Add two new record types to the blockinfo block:
BLOCKNAME and SETRECORDNAME.  This allows a bitcode
file to be self describing with pretty names for 
records and blocks in addition to numbers.  This
enhances llvm-bcanalyzer to use this to print prettily.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70165 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/BitCodeFormat.html b/docs/BitCodeFormat.html
index 54b9361..8813b01 100644
--- a/docs/BitCodeFormat.html
+++ b/docs/BitCodeFormat.html
@@ -563,6 +563,8 @@
 <pre>
 [SETBID (#1), blockid]
 [DEFINE_ABBREV, ...]
+[BLOCKNAME, ...name...]
+[SETRECORDNAME, RecordID, ...name...]
 </pre>
 </div>
 
@@ -582,6 +584,15 @@
 in <tt><a href="#DEFINE_ABBREV">DEFINE_ABBREV</a></tt>.
 </p>
 
+<p>The <tt>BLOCKNAME</tt> can optionally occur in this block.  The elements of
+the record are the bytes for the string name of the block.  llvm-bcanalyzer uses
+this to dump out bitcode files symbolically.</p>
+
+<p>The <tt>SETRECORDNAME</tt> record can optionally occur in this block.  The
+first entry is a record ID number and the rest of the elements of the record are
+the bytes for the string name of the record.  llvm-bcanalyzer uses
+this to dump out bitcode files symbolically.</p>
+
 <p>
 Note that although the data in <tt>BLOCKINFO</tt> blocks is described as
 "metadata," the abbreviations they contain are essential for parsing records