Documentation cleanup:
* Escaped Objective-C @keywords in Doxygen comments;
* Documented more accurate \params;
* Exposed some more summaries using \brief.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158559 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGObjCRuntime.h b/lib/CodeGen/CGObjCRuntime.h
index 135a080..219a3e4 100644
--- a/lib/CodeGen/CGObjCRuntime.h
+++ b/lib/CodeGen/CGObjCRuntime.h
@@ -91,20 +91,20 @@
                                   llvm::Value *Offset);
   /// Emits a try / catch statement.  This function is intended to be called by
   /// subclasses, and provides a generic mechanism for generating these, which
-  /// should be usable by all runtimes.  The caller must provide the functions to
-  /// call when entering and exiting a @catch() block, and the function used to
-  /// rethrow exceptions.  If the begin and end catch functions are NULL, then
-  /// the function assumes that the EH personality function provides the
-  /// thrown object directly.
+  /// should be usable by all runtimes.  The caller must provide the functions
+  /// to call when entering and exiting a \@catch() block, and the function
+  /// used to rethrow exceptions.  If the begin and end catch functions are
+  /// NULL, then the function assumes that the EH personality function provides
+  /// the thrown object directly.
   void EmitTryCatchStmt(CodeGenFunction &CGF,
                         const ObjCAtTryStmt &S,
                         llvm::Constant *beginCatchFn,
                         llvm::Constant *endCatchFn,
                         llvm::Constant *exceptionRethrowFn);
-  /// Emits an @synchronize() statement, using the syncEnterFn and syncExitFn
-  /// arguments as the functions called to lock and unlock the object.  This
-  /// function can be called by subclasses that use zero-cost exception
-  /// handling.
+  /// Emits an \@synchronize() statement, using the \p syncEnterFn and
+  /// \p syncExitFn arguments as the functions called to lock and unlock
+  /// the object.  This function can be called by subclasses that use
+  /// zero-cost exception handling.
   void EmitAtSynchronizedStmt(CodeGenFunction &CGF,
                             const ObjCAtSynchronizedStmt &S,
                             llvm::Function *syncEnterFn,