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Re: [tree-ssa]: Inserting on an entry block edge seems to cause a split

From: Richard Henderson <rth at redhat dot com>
To: Daniel Berlin <dberlin at dberlin dot org>
Cc: Andrew MacLeod <amacleod at redhat dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>
Date: Sun, 23 Nov 2003 01:39:57 -0800
Subject: Re: [tree-ssa]: Inserting on an entry block edge seems to cause a split
References: <502CE3B2-1D59-11D8-9DC6-000A95DA505C@dberlin.org> <1069554057.22241.6.camel@p4> <A6133DD6-1D5C-11D8-9DC6-000A95DA505C@dberlin.org> <1069561526.22241.12.camel@p4> <A886E22A-1D6D-11D8-9788-000A95DA505C@dberlin.org>

On Sat, Nov 22, 2003 at 11:29:42PM -0500, Daniel Berlin wrote:
> The problem is that it causes new bb creation during insertion, which 
> is what we were trying to avoid through critical edge splitting.

Why is this a problem?  It's not like the existing blocks
get renumbered...


r~

Follow-Ups:
- Re: [tree-ssa]: Inserting on an entry block edge seems to cause a split
  - From: Jan Hubicka
- Re: [tree-ssa]: Inserting on an entry block edge seems to cause a split
  - From: Daniel Berlin

References:
- Re: [tree-ssa]: Inserting on an entry block edge seems to cause asplit
  - From: Andrew MacLeod
- Re: [tree-ssa]: Inserting on an entry block edge seems to cause a split
  - From: Daniel Berlin
- Re: [tree-ssa]: Inserting on an entry block edge seems to cause asplit
  - From: Andrew MacLeod
- Re: [tree-ssa]: Inserting on an entry block edge seems to cause a split
  - From: Daniel Berlin

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