pinskia at gcc dot gnu dot org wrote: > ------- Comment #1 from pinskia at gcc dot gnu dot org 2006-08-08 01:47 > ------- > SSA copy prop with dce after that should really be the correct way. >
Err, SSA copy prop should be enough, actually, since after copy-prop, the phi will have no users (and they shouldn't care about code with no uses that doesn't access memory). Though it's interesting that this redundant phi survives so long. What is creating it?
