diff --git a/include/llvm/ADT/DepthFirstIterator.h b/include/llvm/ADT/DepthFirstIterator.h
index c5457320458..b020d48cb3f 100644
--- a/include/llvm/ADT/DepthFirstIterator.h
+++ b/include/llvm/ADT/DepthFirstIterator.h
@@ -135,7 +135,7 @@ private:
         }
       }
       this->Visited.completed(Node);
-      
+
       // Oops, ran out of successors... go up a level on the stack.
       VisitStack.pop_back();
     } while (!VisitStack.empty());
diff --git a/include/llvm/ADT/PointerUnion.h b/include/llvm/ADT/PointerUnion.h
index a8ac18645f3..020c5ed44c4 100644
--- a/include/llvm/ADT/PointerUnion.h
+++ b/include/llvm/ADT/PointerUnion.h
@@ -31,7 +31,7 @@ template <typename T> struct PointerUnionTypeSelectorReturn {
 /// Get a type based on whether two types are the same or not.
 ///
 /// For:
-/// 
+///
 /// \code
 ///   typedef typename PointerUnionTypeSelector<T1, T2, EQ, NE>::Return Ret;
 /// \endcode
diff --git a/include/llvm/ADT/SetVector.h b/include/llvm/ADT/SetVector.h
index 220b87983ee..13378aa3a04 100644
--- a/include/llvm/ADT/SetVector.h
+++ b/include/llvm/ADT/SetVector.h
@@ -238,7 +238,7 @@ public:
   bool operator!=(const SetVector &that) const {
     return vector_ != that.vector_;
   }
-  
+
   /// \brief Compute This := This u S, return whether 'This' changed.
   /// TODO: We should be able to use set_union from SetOperations.h, but
   ///       SetVector interface is inconsistent with DenseSet.
diff --git a/include/llvm/ADT/SmallPtrSet.h b/include/llvm/ADT/SmallPtrSet.h
index e9f822e36ce..196ab633804 100644
--- a/include/llvm/ADT/SmallPtrSet.h
+++ b/include/llvm/ADT/SmallPtrSet.h
@@ -194,7 +194,7 @@ protected:
       return Bucket;
     return EndPointer();
   }
-  
+
 private:
   bool isSmall() const { return CurArray == SmallArray; }
 
diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h
index 4b4a9245178..a56bc93e111 100644
--- a/include/llvm/Support/Compiler.h
+++ b/include/llvm/Support/Compiler.h
@@ -343,7 +343,7 @@
 ///   int k;
 ///   long long l;
 /// };
-/// LLVM_PACKED_END 
+/// LLVM_PACKED_END
 #ifdef _MSC_VER
 # define LLVM_PACKED(d) __pragma(pack(push, 1)) d __pragma(pack(pop))
 # define LLVM_PACKED_START __pragma(pack(push, 1))
@@ -464,7 +464,7 @@ void AnnotateIgnoreWritesEnd(const char *file, int line);
 #define LLVM_PRETTY_FUNCTION __FUNCSIG__
 #elif defined(__GNUC__) || defined(__clang__)
 #define LLVM_PRETTY_FUNCTION __PRETTY_FUNCTION__
-#else 
+#else
 #define LLVM_PRETTY_FUNCTION __func__
 #endif
 
diff --git a/include/llvm/Support/TargetParser.h b/include/llvm/Support/TargetParser.h
index 63aeca7f4e1..68e6b276581 100644
--- a/include/llvm/Support/TargetParser.h
+++ b/include/llvm/Support/TargetParser.h
@@ -142,7 +142,7 @@ unsigned parseArchVersion(StringRef Arch);
 
 } // namespace ARM
 
-// FIXME:This should be made into class design,to avoid dupplication. 
+// FIXME:This should be made into class design,to avoid dupplication.
 namespace AArch64 {
 
 // Arch names.
diff --git a/include/llvm/TableGen/StringMatcher.h b/include/llvm/TableGen/StringMatcher.h
index b4387791083..11a8ad8183a 100644
--- a/include/llvm/TableGen/StringMatcher.h
+++ b/include/llvm/TableGen/StringMatcher.h
@@ -38,7 +38,7 @@ private:
   raw_ostream &OS;
 
 public:
-  StringMatcher(StringRef strVariableName, 
+  StringMatcher(StringRef strVariableName,
                 const std::vector<StringPair> &matches, raw_ostream &os)
     : StrVariableName(strVariableName), Matches(matches), OS(os) {}