Landing: 6481867ae013
Project / Subsystem
gcc / ipa
Date
2026-08-11
Author
Josef Melcr
Commit
6481867ae01355a2fbf296561daee9af0376f736
Source
github
Perf win
Yes
Breaking
No
All attributes
- project
- gcc
- subsystem
- ipa
- patch_id
- —
- commit_hash
- 6481867ae01355a2fbf296561daee9af0376f736
- source_type
- github
- headline
- IPA introduces summary for callback edges.
- tldr
- Callback edges in IPA now use a summary struct, reducing per-edge data and speeding up lookups.
- author
- Josef Melcr
- outcome
- committed
- performance_win
- true
- breaking_change
- false
- series_id
- —
- series_parts
- []
- tags
-
- • optimization
- • ipa
- discussion_id_link
- —
- bugzilla_pr
- —
- date
- 2026-08-11T00:00:00.000Z
GCC’s Interprocedural Analysis (IPA) pass now uses a new callback_info summary struct for callback edges, replacing the previous callback_id. This change aggregates necessary information directly into the summary, eliminating the need to recalculate it each time and reducing per-edge storage. This optimizes the analysis by providing faster access to edge attributes.