C can't do provenance
C can't do provenance
Posted Sep 27, 2024 21:11 UTC (Fri) by joib (subscriber, #8541)In reply to: C can't do provenance by SLi
Parent article: Linus and Dirk on succession, Rust, and more
> Most of the (1) do not realize how little performance there will be left without alias analysis, which cannot be done without pointer provenance.
Do we have some quantitative data on this? I'm not aware of any. -fno-strict-aliasing disables only part of the alias analysis machinery (TBAA), but it's impact seems moderate for most codebases.