[Bug tree-optimization/99067] Missed optimization for induction variable elimination

[amker at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99067

--- Comment #3 from bin cheng  ---
Though not sure if the underlying root causes are the same, I think these are
two different issues, at least, they are handled by different parts of code in
IVOPTs.  
For the first one, it's a known issue in GCC and IV elimination is complicated
yet quite conservative for long time, while for the second one, we indeed don't
know whether "i*N+j" wraps or not.  Even though we might be able to improve
IVOPTs under condition of wrapping behavior.

[Bug tree-optimization/99067] Missed optimization for induction variable elimination

[amker at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99067

bin cheng  changed:

   What|Removed |Added

   Assignee|unassigned at gcc dot gnu.org  |amker at gcc dot gnu.org

--- Comment #2 from bin cheng  ---
Mine, will have a look.  Thanks for reporting.