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Re: [tree-ssa] reaching def. question
- From: Devang Patel <dpatel at apple dot com>
- To: law at redhat dot com
- Cc: "gcc at gcc dot gnu dot org list" <gcc at gcc dot gnu dot org>, Diego Novillo <dnovillo at redhat dot com>
- Date: Tue, 16 Mar 2004 16:50:21 -0800
- Subject: Re: [tree-ssa] reaching def. question
- References: <200403170027.i2H0RtZU001850@speedy.slc.redhat.com>
On Mar 16, 2004, at 4:27 PM, law@redhat.com wrote:
You also have to be damn careful about marking something to be
rewritten
which is used in a mixed PHI node. ie
a_3 = PHI (a_2, b_1)
This is new to me. When do I expect to see mixed PHI node? An example
would help me to understand it.
Thank you,
--
Devang