[Flang][OpenMP] Make implicitly captured scalars fully firstprivatized (#147442)

Currently, we indicate to the runtime that implicit scalar captures are
firstprivate (via map and
capture types), enough for the runtime trace to treat it as such, but we
do not CodeGen the IR
in such a way that we can take full advantage of this aspect of the
OpenMP specification.

This patch seeks to change that by applying the correct symbol flags
(firstprivate/implicit) to the
implicitly captured scalars within target regions, which then triggers
the delayed privitization code
generation for these symbols, bringing the code generation in-line with
the explicit firstpriviate
clause. Currently, similarly to the delayed privitization I have
sheltered this segment of code
behind the EnabledDelayedPrivitization flag, as without it, we'll
trigger an compiler error for
firstprivate not being supported any time we implicitly capture a scalar
and try to firstprivitize
it, in future when this flag is removed it can also be removed here. So,
for now, you need to
enable this via providing the compiler the flag on compilation of any
programs.

0 files changed, 0 insertions, 0 deletions