Move GlobalMapUpdater into anynymous namespace

Author: uditagarwal97

clang/lib/Sema/SemaSYCL.cpp

@@ -7304,9 +7304,7 @@ void SYCLIntegrationHeader::emit(raw_ostream &O) {
   if (FreeFunctionCount > 0) {
     O << "\n#include <sycl/kernel_bundle.hpp>\n";
     O << "#include <sycl/detail/kernel_global_info.hpp>\n";
-    O << "namespace sycl {\n";
-    O << "inline namespace _V1 {\n";
-    O << "namespace detail {\n";
+    O << "namespace {\n";
     O << "struct GlobalMapUpdater {\n";
     O << "  GlobalMapUpdater() {\n";
     O << "    sycl::detail::free_function_info_map::add("
@@ -7320,9 +7318,7 @@ void SYCLIntegrationHeader::emit(raw_ostream &O) {
     O << "  }\n";
     O << "};\n";
     O << "static GlobalMapUpdater updater;\n";
-    O << "} // namespace detail\n";
-    O << "} // namespace _V1\n";
-    O << "} // namespace sycl\n";
+    O << "} //\n";
   }
 }
 

clang/test/CodeGenSYCL/free_function_default_template_arguments.cpp

@@ -1087,9 +1087,7 @@ namespace Testing::Tests {
 
 // CHECK: #include <sycl/kernel_bundle.hpp>
 // CHECK-NEXT: #include <sycl/detail/kernel_global_info.hpp>
-// CHECK-NEXT: namespace sycl {
-// CHECK-NEXT: inline namespace _V1 {
-// CHECK-NEXT: namespace detail {
+// CHECK-NEXT: namespace {
 // CHECK-NEXT: struct GlobalMapUpdater {
 // CHECK-NEXT:   GlobalMapUpdater() {
 // CHECK-NEXT:     sycl::detail::free_function_info_map::add(sycl::detail::kernel_names, sycl::detail::kernel_args_sizes, 28);
@@ -1099,6 +1097,4 @@ namespace Testing::Tests {
 // CHECK-NEXT:   }
 // CHECK-NEXT: };
 // CHECK-NEXT: static GlobalMapUpdater updater;
-// CHECK-NEXT: } // namespace detail
-// CHECK-NEXT: } // namespace _V1
-// CHECK-NEXT: } // namespace sycl
+// CHECK-NEXT: }

clang/test/CodeGenSYCL/free_function_int_header.cpp

@@ -1567,9 +1567,7 @@ void ff_24(int arg) {
 
 // CHECK: #include <sycl/kernel_bundle.hpp>
 // CHECK-NEXT: #include <sycl/detail/kernel_global_info.hpp>
-// CHECK-NEXT: namespace sycl {
-// CHECK-NEXT: inline namespace _V1 {
-// CHECK-NEXT: namespace detail {
+// CHECK-NEXT: namespace {
 // CHECK-NEXT: struct GlobalMapUpdater {
 // CHECK-NEXT:  GlobalMapUpdater() {
 // CHECK-NEXT:     sycl::detail::free_function_info_map::add(sycl::detail::kernel_names, sycl::detail::kernel_args_sizes, 33);
@@ -1579,6 +1577,4 @@ void ff_24(int arg) {
 // CHECK-NEXT:   }
 // CHECK-NEXT: };
 // CHECK-NEXT: static GlobalMapUpdater updater;
-// CHECK-NEXT: } // namespace detail
-// CHECK-NEXT: } // namespace _V1
-// CHECK-NEXT: } // namespace sycl
+// CHECK-NEXT: }

clang/test/CodeGenSYCL/free_function_int_header_rtc_mode.cpp

@@ -75,9 +75,7 @@ int main(){
 
 // CHECK-NORTC: #include <sycl/kernel_bundle.hpp>
 // CHECK-NORTC-NEXT: #include <sycl/detail/kernel_global_info.hpp>
-// CHECK-NORTC-NEXT: namespace sycl {
-// CHECK-NORTC-NEXT: inline namespace _V1 {
-// CHECK-NORTC-NEXT: namespace detail {
+// CHECK-NORTC-NEXT: namespace {
 // CHECK-NORTC-NEXT: struct GlobalMapUpdater {
 // CHECK-NORTC-NEXT:   GlobalMapUpdater() {
 // CHECK-NORTC-NEXT:     sycl::detail::free_function_info_map::add(sycl::detail::kernel_names, sycl::detail::kernel_args_sizes, 3);
@@ -87,6 +85,4 @@ int main(){
 // CHECK-NORTC-NEXT:   }
 // CHECK-NORTC-NEXT: };
 // CHECK-NORTC-NEXT: static GlobalMapUpdater updater;
-// CHECK-NORTC-NEXT: } // namespace detail
-// CHECK-NORTC-NEXT: } // namespace _V1
-// CHECK-NORTC-NEXT: } // namespace sycl
+// CHECK-NORTC-NEXT: }

clang/test/SemaSYCL/Inputs/sycl/detail/kernel_global_info.hpp

@@ -10,15 +10,11 @@
 
 #include <sycl/detail/export.hpp>
 
-namespace sycl {
-inline namespace _V1 {
-namespace detail {
+namespace {
 namespace free_function_info_map {
 
 __SYCL_EXPORT void add(const void *DeviceGlobalPtr, const char *UniqueId);
 __SYCL_EXPORT void remove(const void *DeviceGlobalPtr, const char *UniqueId);
 
 } // namespace free_function_info_map
-} // namespace detail
-} // namespace _V1
-} // namespace sycl
+}