[Bug c++/45605] Missed devirtualization

rguenther at suse dot de gcc-bugzilla@gcc.gnu.org
Thu Sep 16 08:51:00 GMT 2010



------- Comment #10 from rguenther at suse dot de  2010-09-16 08:50 -------
Subject: Re:  Missed devirtualization

On Wed, 15 Sep 2010, hubicka at ucw dot cz wrote:

> ------- Comment #9 from hubicka at ucw dot cz  2010-09-15 22:39 -------
> Subject: Re:  Missed devirtualization
> 
> > We fold a stmt only if it is propagated to (by ccp, copyprop, forwprop,
> > dom or by inlining).
> Well, since fold_stmt is stornger than what fe does, I guess we should fold
> each stmt at least once.

No we shouldn't.  We do fold some stmts during gimplification.

Richard.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45605



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