Index: include/llvm/IR/Function.h
===================================================================
--- include/llvm/IR/Function.h
+++ include/llvm/IR/Function.h
@@ -218,6 +218,7 @@
                  Attribute::get(getContext(), Kind, Val));
   }
 
+  /// @brief Add function attributes to this function.
   void addFnAttr(Attribute Attr) {
     addAttribute(AttributeList::FunctionIndex, Attr);
   }
@@ -262,6 +263,8 @@
   bool hasFnAttribute(Attribute::AttrKind Kind) const {
     return AttributeSets.hasFnAttribute(Kind);
   }
+
+  /// @brief Return true if the function has the attribute.
   bool hasFnAttribute(StringRef Kind) const {
     return AttributeSets.hasFnAttribute(Kind);
   }
@@ -270,6 +273,8 @@
   Attribute getFnAttribute(Attribute::AttrKind Kind) const {
     return getAttribute(AttributeList::FunctionIndex, Kind);
   }
+
+  /// @brief Return the attribute for the given attribute kind.
   Attribute getFnAttribute(StringRef Kind) const {
     return getAttribute(AttributeList::FunctionIndex, Kind);
   }
@@ -336,10 +341,12 @@
     return getAttributes().hasParamAttribute(ArgNo, Kind);
   }
 
+  /// @brief gets the attribute from the list of attributes.
   Attribute getAttribute(unsigned i, Attribute::AttrKind Kind) const {
     return AttributeSets.getAttribute(i, Kind);
   }
 
+  /// @brief gets the attribute from the list of attributes.
   Attribute getAttribute(unsigned i, StringRef Kind) const {
     return AttributeSets.getAttribute(i, Kind);
   }