jansvoboda11 marked 4 inline comments as done.
jansvoboda11 added a comment.

In D136624#3900183 <https://reviews.llvm.org/D136624#3900183>, @dexonsmith 
wrote:

> Partly, trying to dig into why read speeds got slower. But maybe that was 
> noise that went away though when you switched to cycles/instructions?
> Great; looking forward to seeing new numbers.

Ah, I forgot to mention this. Building the modules is now only 0.2% slower and 
importing them 1.2% faster (compared to PCMs with all input files serialized).



================
Comment at: clang/include/clang/Basic/SourceManager.h:1831-1833
+  bool isLoadedOffset(SourceLocation::UIntTy SLocOffset) const {
+    return SLocOffset >= CurrentLoadedOffset;
+  }
----------------
dexonsmith wrote:
> The logic for `isLoadedOffset()` suggests that it could maybe be subsumed 
> with "location past the end"?
I don't think so - we don't want to adjust loaded offsets. Their invariant is 
that they grow from 2^31 downwards.

We do want to adjust local offsets past the last non-affecting file though.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D136624/new/

https://reviews.llvm.org/D136624

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