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Re: PRE (sometimes) confuses ivopts/scev?
- From: Andrew Pinski <pinskia at physics dot uc dot edu>
- To: Daniel Berlin <dberlin at dberlin dot org>
- Cc: gcc at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org, Richard Guenther <rguenth at tat dot physik dot uni-tuebingen dot de>, Ulrich Weigand <uweigand at de dot ibm dot com>
- Date: Wed, 26 Jan 2005 10:58:21 -0500
- Subject: Re: PRE (sometimes) confuses ivopts/scev?
- References: <Pine.LNX.4.44.0501261017180.16464-100000@alwazn.tat.physik.uni-tuebingen.de> <Pine.LNX.4.60.0501261013560.23907@dberlin.org>
On Jan 26, 2005, at 10:52 AM, Daniel Berlin wrote:
However, if i attempt to fix this by adding a DCE pass after PRE, tree
if-convert screws up the cfg completely, and fails its tests anyway
(verify_ssa failure)
yes there was a patch for this.
-- Pinski