Add some missing template specializations for autodereferencing User.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27189 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Use.h b/include/llvm/Use.h
index d36e66fe06a25245d5d5206aa5e0c0bdf86fa7a1..eeff52fcb6a4e1797fe3a846340db95b7440dcfc 100644 (file)
--- a/include/llvm/Use.h
+++ b/include/llvm/Use.h
@@ -132,7 +132,7 @@ public:
   }
 
   // Retrieve a reference to the current SCC
-   UserTy *operator*() const {
+  UserTy *operator*() const {
     assert(U && "Cannot increment end iterator!");
     return U->getUser();
   }
@@ -142,6 +142,30 @@ public:
   Use &getUse() const { return *U; }
 };
 
+
+template<> struct simplify_type<value_use_iterator<User> > {
+  typedef User* SimpleType;
+  
+  static SimpleType getSimplifiedValue(const value_use_iterator<User> &Val) {
+    return *Val;
+  }
+};
+
+template<> struct simplify_type<const value_use_iterator<User> >
+ : public simplify_type<value_use_iterator<User> > {};
+
+template<> struct simplify_type<value_use_iterator<const User> > {
+  typedef const User* SimpleType;
+  
+  static SimpleType getSimplifiedValue(const 
+                                       value_use_iterator<const User> &Val) {
+    return *Val;
+  }
+};
+
+template<> struct simplify_type<const value_use_iterator<const User> >
+  : public simplify_type<value_use_iterator<const User> > {};
+
 } // End llvm namespace
 
 #endif