tree 53379449bce5871a0010f2f303c5898a6c0296f5
parent 609361ab39226a866211286a2ae4f19ab8bb444c
author Valentin Clement (バレンタイン クレメン) <clementval@gmail.com> 1744405263 -0700
committer GitHub <noreply@github.com> 1744405263 -0700
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[flang][openacc] Allow if_present multiple times on host_data and update (#135422)

Similar to #135415.

The spec has not strict restriction to allow a single `if_present`
clause on the host_data and update directives. Allowing this clause
multiple times does not change the semantic of it. This patch relax the
rules in ACC.td since there is no restriction in the standard.

The OpenACC dialect represents the `if_present` clause with a `UnitAttr`
so the attribute will be set if the is one or more `if_present` clause.