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Re: Tree-SSA self checking infrastructure
- From: Diego Novillo <dnovillo at redhat dot com>
- To: Andrew Macleod <amacleod at redhat dot com>
- Cc: Jeff Law <law at redhat dot com>, Jan Hubicka <hubicka at ucw dot cz>, Richard Henderson <rth at redhat dot com>, Jan Hubicka <jh at suse dot cz>, gcc mailing list <gcc at gcc dot gnu dot org>
- Date: Wed, 19 Nov 2003 19:01:55 -0500
- Subject: Re: Tree-SSA self checking infrastructure
- Organization: Red Hat Canada
- References: <200311192144.hAJLikWf012168@speedy.slc.redhat.com> <1069278549.11003.29.camel@p4>
On Wed, 2003-11-19 at 16:49, Andrew MacLeod wrote:
> I think Diego is triggering it on the uses. If there is a use of a
> that needs to be re-written, and its uninitialized, then we get the
> phi's and the default def.
>
Yes. Default definitions *only* get created if we need to rewrite a
use/vuse that is not dominated by any prior definition.
Diego.