[PATCH] D71989: [OpenMP][IRBuilder][WIP] Prototype `omp task` support

[Joachim Protze via Phabricator via llvm-commits]

protze.joachim added a comment.

Please consider the special cases of task_if0, which preferably should use `__kmpc_omp_task_with_deps`:

- `#pragma omp task if(0) depend(out:A) detach(event)` : the detached undeferred task needs the out dependency to release the dependency only when detach is fulfilled
- `#pragma omp task if(0) depend(inoutmutexset:A)` : the undeferred task can execute mutually exclusive with any other `inoutmutexset:A` task.

I'm not sure that these are all the special cases.

See the bugs for full OpenMP code examples:

https://bugs.llvm.org/show_bug.cgi?id=46185
https://bugs.llvm.org/show_bug.cgi?id=46193


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