https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108419
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
Summary|[13 Regression] Dead Code |[13/14 Regression] Dead
|Elimination Regression at |Code Elimination Regression
|-O2 since |at -O2 since
|r13-440-g98e475a8f58 |r13-440-g98e475a8f58
Target Milestone|13.0 |14.0
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
ranger relies on SCEV only while the old VRP pass iterated (very few times) to
derive ranges for cases SCEV cannot handle.
I've postponed a related bug to GCC 14, it's not realistic to fix this for GCC
13(.1) unfortunately.
