[Bug tree-optimization/92649] dead store elimination

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Nov 25 11:41:00 GMT 2019


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92649

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |missed-optimization
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2019-11-25
     Ever confirmed|0                           |1

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.  Note this would require DSE to adjust the iteration domain.

Peeling one iteratiou would "solve" that.

The testcase is also stupid, so what's the original motivating testcase?


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