Optimize empty string pattern matching with null-safe length checks#19189

Merged

T-Gro merged 20 commits intomainfrom

copilot/optimize-empty-string-check

Jan 22, 2026

Commits on Jan 7, 2026

Remove debug output from BuildSwitch

Copilot
and
T-Gro
committed

Commits on Jan 8, 2026

Merge branch 'main' into copilot/optimize-empty-string-check
T-Gro
authored
Add debugging instrumentation to BuildSwitch for isNullFiltered investigation

Copilot
and
T-Gro
committed

Commits on Jan 9, 2026

Add check for IsNull edge in foldBack to attempt eliminating redundant null checks

Copilot
and
T-Gro
committed
Simplify isNullFiltered logic - remove hasIsNullEdge computation

Copilot
and
T-Gro
committed

Commits on Jan 13, 2026

Commits on Jan 20, 2026

Remove all debug instrumentation and verbose flag

Copilot
and
T-Gro
committed