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Re: Inserting a GIMPLE node in a SSA form representation pass
- From: Daniel Berlin <dberlin at dberlin dot org>
- To: Diego Novillo <dnovillo at redhat dot com>
- Cc: sean yang <seanatpurdue at hotmail dot com>, gcc at gcc dot gnu dot org
- Date: Tue, 18 Jul 2006 10:15:56 -0400
- Subject: Re: Inserting a GIMPLE node in a SSA form representation pass
- References: <BAY105-F185D13D635C8F008D84681C0630@phx.gbl> <44BCC758.7070707@redhat.com>
Diego Novillo wrote:
> sean yang wrote on 07/17/06 22:16:
>
>> Can someone give a brief introduction? Hopefully my question is clear:)
>>
> When you insert a brand new GIMPLE statement, the symbols referenced in
> it must be rewritten into SSA form. See the section 'Preserving the SSA
> form' in the GCC internals manual.
>
Also, IIRC, tree-ssa-lim ends up rewriting those statements into SSA
later on.