[𝘀𝗽𝗿] changes introduced through rebase

Created using spr 1.3.6-beta.1

[skip ci]

Author: Prabhuk

llvm/docs/CalleeTypeMetadata.rst

@@ -4,13 +4,14 @@ Callee Type Metadata
 
 Introduction
 ============
-This ``!callee_type`` metadata is introduced as part of an ongoing effort to generate a call graph
-section in the object file. The broader design for the call graph section and the compiler flags which
-will enable the feature will be documented as those changes land. The ``!callee_type`` metadata is used
-to identify types of intended callees of indirect call instructions. The ``!callee_type`` metadata is a
+This ``!callee_type`` metadata is introduced to support the generation of a call graph
+section in the object file.  The ``!callee_type`` metadata is used
+to identify the types of the intended callees of indirect call instructions. The ``!callee_type`` metadata is a
 list of one or more ``!type`` metadata objects (See :doc:`TypeMetadata`) with each ``!type`` metadata
-pointing to a callee's :ref:`type identifier
-<calleetype-type-identifier>`.
+pointing to a callee's :ref:`type identifier <calleetype-type-identifier>`.
+LLVM's `control flow integrity`_ also uses the ``!type`` metadata in its implementation.
+
+.. _Control Flow Integrity(CFI): https://clang.llvm.org/docs/ControlFlowIntegrity.html
 
 .. _calleetype-type-identifier: