[Bug tree-optimization/55018] CDDCE pass is too aggressive sometimes with infinite loops and with some builtin functions

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55018



Andrew Pinski <pinskia at gcc dot gnu.org> changed:



           What    |Removed                     |Added

----------------------------------------------------------------------------

            Summary|CDDCE pass is too           |CDDCE pass is too

                   |aggressive sometimes with   |aggressive sometimes with

                   |infinite loops              |infinite loops and with

                   |                            |some builtin functions



--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-10-22 
08:45:39 UTC ---

If I change the printf to a just a normal function, CDDCE does not remove the

loop.