[PATCH] D135440: [SourceManager] Speedup getFileIDLocal with a separate Offset Table.

[Nick Desaulniers via Phabricator via cfe-commits]

nickdesaulniers accepted this revision.
nickdesaulniers added a comment.
This revision is now accepted and ready to land.

Is it worth it and possible to fully decompose `LocalSLocEntryTable` into arrays of its constituent parts, and only construct a `SLocEntry` when necessary?

I'm ok with the cost increase;  please also adding asserts to keep the size of the vectors equivalent.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D135440/new/

https://reviews.llvm.org/D135440