[SYCL] Return "generic" pointers from constant accessor methods

Signed-off-by: Mariya Podchishchaeva <[email protected]>

Author: Fznamznon

sycl/include/CL/sycl/accessor.hpp

@@ -193,12 +193,8 @@ class accessor_common {
   constexpr static bool IsAccessReadWrite =
       AccessMode == access::mode::read_write;
 
-  using RefType = typename std::conditional<
-      AS == access::address_space::constant_space,
-      typename detail::PtrValueType<DataT, AS>::type &, DataT &>::type;
-  using PtrType = typename std::conditional<
-      AS == access::address_space::constant_space,
-      typename detail::PtrValueType<DataT, AS>::type *, DataT *>::type;
+  using RefType = DataT &;
+  using PtrType = DataT *;
 
   using AccType =
       accessor<DataT, Dimensions, AccessMode, AccessTarget, IsPlaceholder>;
@@ -673,13 +669,9 @@ class accessor :
   using AccessorSubscript =
       typename AccessorCommonT::template AccessorSubscript<Dims>;
 
-  using RefType = typename std::conditional<
-      AS == access::address_space::constant_space,
-      typename detail::PtrValueType<DataT, AS>::type &, DataT &>::type;
+  using RefType = DataT &;
   using ConcreteASPtrType = typename detail::PtrValueType<DataT, AS>::type *;
-  using PtrType =
-      typename std::conditional<AS == access::address_space::constant_space,
-                                ConcreteASPtrType, DataT *>::type;
+  using PtrType = DataT *;
 
   template <int Dims = Dimensions> size_t getLinearIndex(id<Dims> Id) const {
 
@@ -1012,13 +1004,9 @@ class accessor<DataT, Dimensions, AccessMode, access::target::local,
   using AccessorSubscript =
       typename AccessorCommonT::template AccessorSubscript<Dims>;
 
-  using RefType = typename std::conditional<
-      AS == access::address_space::constant_space,
-      typename detail::PtrValueType<DataT, AS>::type &, DataT &>::type;
+  using RefType = DataT &;
   using ConcreteASPtrType = typename detail::PtrValueType<DataT, AS>::type *;
-  using PtrType =
-      typename std::conditional<AS == access::address_space::constant_space,
-                                ConcreteASPtrType, DataT *>::type;
+  using PtrType = DataT *;
 
 #ifdef __SYCL_DEVICE_ONLY__
   detail::LocalAccessorBaseDevice<AdjustedDim> impl;