[PATCH] D155579: [Windows] Avoid using FileIndex for unique IDs on network mounts

[Alexandre Ganea via Phabricator via llvm-commits]

aganea added a comment.

Another option could be to add a debug `opt` to disable this new code path, and skip all the canonicalization and reliability check. It could be one way or the other; either enabled by default or disabled by default. But probably better to enable it and let people add the flag if they need more performance.

Let me do some tests today with our codebase, see how much of an impact there is. I’d like also to see if this impacts overall Clang build times.


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  https://reviews.llvm.org/D155579/new/

https://reviews.llvm.org/D155579