Merge remote-tracking branch 'upstream/master' into merge-20130502

Conflicts:
	lib/Support/Unix/Signals.inc
	unittests/Transforms/Utils/Cloning.cpp

Change-Id: I027581a4390ec3ce4cd8d33da8b5f4c0c7d372c8

1 files changed, 5 insertions, 15 deletions

diff --git a/include/llvm/IR/User.h b/include/llvm/IR/User.h
index a4d0a5d7df..505bdeb178 100644
--- a/include/llvm/IR/User.h
+++ b/include/llvm/IR/User.h
@@ -183,27 +183,17 @@ public:
 
 template<> struct simplify_type<User::op_iterator> {
   typedef Value* SimpleType;
-
-  static SimpleType getSimplifiedValue(const User::op_iterator &Val) {
-    return static_cast<SimpleType>(Val->get());
+  static SimpleType getSimplifiedValue(User::op_iterator &Val) {
+    return Val->get();
   }
 };
-
-template<> struct simplify_type<const User::op_iterator>
-  : public simplify_type<User::op_iterator> {};
-
 template<> struct simplify_type<User::const_op_iterator> {
-  typedef Value* SimpleType;
-
-  static SimpleType getSimplifiedValue(const User::const_op_iterator &Val) {
-    return static_cast<SimpleType>(Val->get());
+  typedef /*const*/ Value* SimpleType;
+  static SimpleType getSimplifiedValue(User::const_op_iterator &Val) {
+    return Val->get();
   }
 };
 
-template<> struct simplify_type<const User::const_op_iterator>
-  : public simplify_type<User::const_op_iterator> {};
-
-
 // value_use_iterator::getOperandNo - Requires the definition of the User class.
 template<typename UserTy>
 unsigned value_use_iterator<UserTy>::getOperandNo() const {