On Thu, Mar 29, 2007 at 06:40:30PM -0700, Andrew Pinski wrote: > On 29 Mar 2007 18:24:56 -0700, Ian Lance Taylor <[EMAIL PROTECTED]> wrote: > >Why will expressions have location? It seems to me preferable to save > >the memory. After a few optimization passes many of the expressions > >have no location anyhow.
> And I know from past experiences, that this is really a bug that they > don't produce expressions with locations. I remember Daniel Berlin > was talking about how SRA does the correct thing with respect of > locations and other passes should really follow that. We can see how > out of SSA can produce cases where PHIs would create expressions > without locations but that is a bug (I cannot find the PR right now > but Daniel J. filed it). http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26475 But I'm not convinced that adding locations on more things is a workable solution to the problem. I wish someone had sufficient incentive to sit down and design a proper solution to our degenerating debug info. -- Daniel Jacobowitz CodeSourcery
