------- Comment #4 from rakdver at kam dot mff dot cuni dot cz 2008-02-13 04:05 ------- Subject: Re: [4.3 regression] Unable to coalesce ab SSA_NAMEs
> Actually it is the call to rewrite_into_loop_closed_ssa inserting these > PHIs. I don't know if it actually makes sense to speak of loop-closed SSA > form > if we deal with abnormal SSA names - Zdenek? Some pieces of the scev analysis assume lcSSA for all gimple_reg SSA names, regardless of whether they appear in abnormal phi nodes or not. The phi nodes created by lcSSA conversion should always be eliminable, though. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35164
