[PATCH] D47844: [ThinLTO] Compute GUID directly from GV when building per-module index

[Teresa Johnson via Phabricator via llvm-commits]

tejohnson added a comment.

In https://reviews.llvm.org/D47844#1142783, @dexonsmith wrote:

> What's the potential overhead of this choice (memory, runtime)?


Nothing that should be significant - it just modifies the way we compute the GUID slightly, to include the linkage type and the source file name from the parent Module, so those are accessed more frequently when building/writing the index, but it should be insignificant overall.


Repository:
  rL LLVM

https://reviews.llvm.org/D47844