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...that describes every parallel loop annotation scheme supported by LLVM. Instead we would factor things according to other software design considerations. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20170112/e686b7ca/attachment.html>

+1, tokens are the current True Way to create single-entry multi-exit regions. Your example for an annotated loop would look like: %region = call token @llvm.openmp.regionstart(metadata ...) ; whatever parameters you need here loop call void @llvm.openmp.regionend(token %region) If you use tokens, I would recommend proposal (c), where you introduce new intrinsics for every new kind of region,