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[flang][openacc] Fix clause restriction for exit data directive

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Restriction on clauses for the EXIT DATA directive were not fully correct.
This patch fixes the situation. The async, if and finalize clauses are allowed
only once.

Reviewed By: SouraVX

Differential Revision: https://reviews.llvm.org/D95470
This commit is contained in:
Valentin Clement 2021-01-27 10:07:06 -05:00 committed by clementval
parent 202f767031
commit 1973b57fb0
1 changed files with 3 additions and 1 deletions
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4
include/llvm/Frontend/OpenACC/ACC.td
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@ -492,9 +492,11 @@ def ACC_EnterData : Directive<"enter data"> {
// 2.14.7
def ACC_ExitData : Directive<"exit data"> {
let allowedClauses = [
VersionedClause<ACCC_Wait>
];
let allowedOnceClauses = [
VersionedClause<ACCC_Async>,
VersionedClause<ACCC_If>,
VersionedClause<ACCC_Wait>,
VersionedClause<ACCC_Finalize>
];
let requiredClauses = [