Don't run the copy propagator/dead code remover after fusion.
Don't run the copy propagator/dead code remover after fusion.

If you want it, run it in a separate stage.  Much easier to debug that
way.

ihc/futhark,mrakgr/futhark,diku-dk/futhark,CulpaBS/wbBach,HIPERFIT/futhark,mrakgr/futhark,diku-dk/futhark,HIPERFIT/futhark,diku-dk/futhark,diku-dk/futhark,HIPERFIT/futhark,mrakgr/futhark,diku-dk/futhark,ihc/futhark,ihc/futhark