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Re: [tree-ssa] Merge results as of 2003-05-06
- From: law at redhat dot com
- To: Andrew MacLeod <amacleod at redhat dot com>
- Cc: Jason Merrill <jason at redhat dot com>, Diego Novillo <dnovillo at redhat dot com>, gcc mailing list <gcc at gcc dot gnu dot org>
- Date: Thu, 08 May 2003 13:30:35 -0600
- Subject: Re: [tree-ssa] Merge results as of 2003-05-06
- Reply-to: law at redhat dot com
In message <1052421469.13871.2262.camel@p4>, Andrew MacLeod writes:
>On Thu, 2003-05-08 at 15:13, law@redhat.com wrote:
>
>> The VAR_DECL for "w" is never marked with the out_of_ssa_tag.
>>
>> Anyway, we need to look at the VUSE operands to ensure that w gets marked
>> as being used.
>>
>> I don't know what further work you've got planned, but at least for now
>> I don't think we can really rely on the out_of_ssa_tag bit to tell us
>> what variables were used since we care about variables which are effectivel
>y
>> ignored by the out-of-ssa pass.
>
>In this case it never will be marked, so you can't use it I guess.
>Too bad.
It's not the end of the world :-)
jeff