Use ATTACH maps for array-sections/subscripts on pointers.

clang/include/clang/Basic/OpenMPKinds.h

@@ -301,6 +301,14 @@ bool isOpenMPTargetExecutionDirective(OpenMPDirectiveKind DKind);
 /// otherwise - false.
 bool isOpenMPTargetDataManagementDirective(OpenMPDirectiveKind DKind);
 
+/// Checks if the specified directive is a map-entering target directive.
+/// \param DKind Specified directive.
+/// \return true - the directive is a map-entering target directive like
+/// 'omp target', 'omp target data', 'omp target enter data',
+/// 'omp target parallel', etc. (excludes 'omp target exit data', 'omp target
+/// update') otherwise - false.
+bool isOpenMPTargetMapEnteringDirective(OpenMPDirectiveKind DKind);
+
 /// Checks if the specified composite/combined directive constitutes a teams
 /// directive in the outermost nest.  For example
 /// 'omp teams distribute' or 'omp teams distribute parallel for'.

clang/lib/Basic/OpenMPKinds.cpp

@@ -650,6 +650,11 @@ bool clang::isOpenMPTargetDataManagementDirective(OpenMPDirectiveKind DKind) {
          DKind == OMPD_target_exit_data || DKind == OMPD_target_update;
 }
 
+bool clang::isOpenMPTargetMapEnteringDirective(OpenMPDirectiveKind DKind) {
+  return DKind == OMPD_target_data || DKind == OMPD_target_enter_data ||
+         isOpenMPTargetExecutionDirective(DKind);
+}
+
 bool clang::isOpenMPNestingTeamsDirective(OpenMPDirectiveKind DKind) {
   if (DKind == OMPD_teams)
     return true;