[PATCH] D74524: [Scheduling] Improve memory ops cluster preparation

[Nicolai Hähnle via Phabricator via llvm-commits]

nhaehnle added a comment.

Is this approach generally sound? I worry that you may get circular dependencies, e.g.: A has no control dependency, but B has a control dependency on A (possibly indirectly). Clustering introduces new artificial dependencies, which could potentially lead to A becoming dependent on an SUnit C that depends on B, creating a circular dependency.


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https://reviews.llvm.org/D74524