1 files changed, 9 insertions, 6 deletions
diff --git a/contrib/llvm/include/llvm/TableGen/SetTheory.h b/contrib/llvm/include/llvm/TableGen/SetTheory.h
index d4e0f53..818b054 100644
--- a/contrib/llvm/include/llvm/TableGen/SetTheory.h
+++ b/contrib/llvm/include/llvm/TableGen/SetTheory.h
@@ -50,8 +50,10 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/StringRef.h"
 #include "llvm/Support/SMLoc.h"
 #include <map>
+#include <memory>
 #include <vector>
 
 namespace llvm {
@@ -68,13 +70,14 @@ public:
   /// Operator - A callback representing a DAG operator.
   class Operator {
     virtual void anchor();
+
   public:
-    virtual ~Operator() {}
+    virtual ~Operator() = default;
 
     /// apply - Apply this operator to Expr's arguments and insert the result
     /// in Elts.
     virtual void apply(SetTheory&, DagInit *Expr, RecSet &Elts,
-                       ArrayRef<SMLoc> Loc) =0;
+                       ArrayRef<SMLoc> Loc) = 0;
   };
 
   /// Expander - A callback function that can transform a Record representing a
@@ -82,10 +85,11 @@ public:
   /// users to define named sets that can be used in DAG expressions.
   class Expander {
     virtual void anchor();
+
   public:
-    virtual ~Expander() {}
+    virtual ~Expander() = default;
 
-    virtual void expand(SetTheory&, Record*, RecSet &Elts) =0;
+    virtual void expand(SetTheory&, Record*, RecSet &Elts) = 0;
   };
 
 private:
@@ -138,5 +142,4 @@ public:
 
 } // end namespace llvm
 
-#endif
-
+#endif // LLVM_TABLEGEN_SETTHEORY_H