[clang] [OpenACC][CIR] Impl default/seq lowering for combined constructs (PR #139263)

Fri May 9 06:19:19 PDT 2025

https://github.com/erichkeane created https://github.com/llvm/llvm-project/pull/139263

This adds two clauses plus the infrastructure for emitting the clauses on combined constructs.  Combined constructs require two operations, so this makes sure we emit on the 'correct' one.  It DOES require that the combined construct handling picks the correct one to put it on, AND sets up the 'inserter' correctly, but these two clauses don't require an inserter, so a future patch will get those.

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