[PATCH] D89083: [BPF] Make BPFAbstractMemberAccessPass required

[Yonghong Song via Phabricator via llvm-commits]

yonghong-song added a comment.

If I understand correctly, "isRequired()" means this pass has to run. In this regard, `BPFPreserveDIType` also need `isRequired()`.
Could you explain a little bit what if one pass does not have "isRequired()"? How PassManager deals with it?


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  https://reviews.llvm.org/D89083/new/

https://reviews.llvm.org/D89083