[llvm] [OpenMP] Add definitions of FLATTEN and SPLIT to OMP.td (PR #185642)

[Jack Styles via llvm-commits]

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@@ -929,6 +929,16 @@ def OMP_Error : Directive<[Spelling<"error">]> {
   let association = AS_None;
   let category = CA_Utility;
 }
+def OMP_Flatten : Directive<[Spelling<"flatten">]> {
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Stylie777 wrote:

Do we want to version gate `flatten` and `split` directives themselves, rather than just the clauses.

https://github.com/llvm/llvm-project/pull/185642