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Re: Duplicating immediate predecessor of EXIT_BLOCK

From: Ian Lance Taylor <ian at airs dot com>
To: mcrosier at ncsu dot edu
Cc: gcc at gcc dot gnu dot org
Date: 13 Oct 2005 21:09:20 -0700
Subject: Re: Duplicating immediate predecessor of EXIT_BLOCK
References: <51149.152.14.22.121.1129255492.squirrel@webmail.ncsu.edu>

mcrosier@ncsu.edu writes:

> I'm interested in duplicating the immediate predecessor basic block of the
> EXIT_BLOCK, but this makes the EXIT_BLOCK have 2 predecessors which isn't
> allowed.  Can someone give me some guidances as to how I can insert a
> bogus block between the two to allow the duplication?

Why can't EXIT_BLOCK have two predecessors?

Ian

Follow-Ups:
- Re: Duplicating immediate predecessor of EXIT_BLOCK
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References:
- Duplicating immediate predecessor of EXIT_BLOCK
  - From: mcrosier

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