Move builtins definitions to their own file

Signed-off-by: Victor Lomuller <[email protected]>

Author: Victor Lomuller

sycl/include/sycl/access/access.hpp

@@ -15,16 +15,6 @@
 #include <type_traits>
 #endif
 
-#ifdef __SYCL_DEVICE_ONLY__
-// Request a fixed-size allocation in local address space at kernel scope.
-// Required for group_local_memory and work_group_static.
-extern "C" __DPCPP_SYCL_EXTERNAL __attribute__((opencl_local)) std::uint8_t *
-__sycl_allocateLocalMemory(std::size_t Size, std::size_t Alignment);
-// Request a placeholder for a dynamically-sized buffer in local address space
-// at kernel scope. Required for work_group_static.
-extern "C" __DPCPP_SYCL_EXTERNAL __attribute__((opencl_local)) std::uint8_t *
-__sycl_dynamicLocalMemoryPlaceholder();
-#endif
 namespace sycl {
 inline namespace _V1 {
 namespace access {

sycl/include/sycl/ext/oneapi/group_local_memory.hpp

@@ -9,6 +9,7 @@
 
 #include <sycl/access/access.hpp>             // for address_space, decorated
 #include <sycl/detail/defines_elementary.hpp> // for __SYCL_ALWAYS_INLINE
+#include <sycl/detail/sycl_builtins.hpp>      // for __sycl_allocateLocalMemory
 #include <sycl/detail/type_traits.hpp>        // for is_group
 #include <sycl/exception.hpp>                 // for exception
 #include <sycl/ext/intel/usm_pointers.hpp>    // for multi_ptr

sycl/include/sycl/ext/oneapi/work_group_scratch_memory.hpp

@@ -7,8 +7,9 @@
 //===----------------------------------------------------------------------===//
 #pragma once
 
-#include <sycl/detail/defines_elementary.hpp>        // for __SYCL_ALWAYS_INLINE
-#include <sycl/exception.hpp>                        // for exception
+#include <sycl/detail/defines_elementary.hpp> // for __SYCL_ALWAYS_INLINE
+#include <sycl/detail/sycl_builtins.hpp>      // for __sycl_allocateLocalMemory
+#include <sycl/exception.hpp>                 // for exception
 #include <sycl/ext/oneapi/properties/properties.hpp> // for properties
 
 namespace sycl {