protze.joachim added a comment.
In D91944#2458154 <https://reviews.llvm.org/D91944#2458154>, @jdoerfert wrote:
> The problem is this patch can only resolve to a single directive during
> parsing. Take
>
> template<bool b>
> void foo() {
> #pragma omp metadirective when(user={condition(b)}) ...
> }
>
> which is not resolvable at parsing time but it is a valid OpenMP 5.0 use of
> the metadirective
> that needs to resolve at compile time.
It's unfortunate that this pattern is not supported by this patch. How
difficult would it be to provide this support, or would the implementation be
not different to dynamic conditions?
For this templated pattern, the optimizer would throw away the branch.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D91944/new/
https://reviews.llvm.org/D91944
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