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From: "law at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/52631] [4.6/4.7/4.8 Regression] VN does not use simplified expression for lookup
Date: Sun, 20 Jan 2013 05:01:00 -0000	[thread overview]
Message-ID: <bug-52631-4-mhPAUxUE1Y@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-52631-4@http.gcc.gnu.org/bugzilla/>


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52631

--- Comment #10 from Jeffrey A. Law <law at gcc dot gnu.org> 2013-01-20 05:01:04 UTC ---
Author: law
Date: Sun Jan 20 05:00:56 2013
New Revision: 195318

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195318
Log:
        PR tree-optimization/52631
        * tree-ssa-sccvn (visit_use): Before looking up the original
        statement, try looking up the simplified expression.

        PR tree-optimization/52631
        * tree-ssa/pr52631.c: New test.
        * tree-ssa/ssa-fre-9: Update expected output.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr52631.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-9.c
    trunk/gcc/tree-ssa-sccvn.c


  parent reply	other threads:[~2013-01-20  5:01 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-20  6:09 [Bug tree-optimization/52631] New: " pinskia at gcc dot gnu.org
2012-03-20  6:58 ` [Bug tree-optimization/52631] [4.6/4.7/4.8 Regression] " pinskia at gcc dot gnu.org
2012-03-20  7:34 ` pinskia at gcc dot gnu.org
2012-03-20 11:20 ` rguenth at gcc dot gnu.org
2012-03-21  0:30 ` pinskia at gcc dot gnu.org
2012-03-24  3:21 ` pinskia at gcc dot gnu.org
2012-03-24  5:06 ` pinskia at gcc dot gnu.org
2012-04-13 13:10 ` rguenth at gcc dot gnu.org
2012-06-14  8:21 ` rguenth at gcc dot gnu.org
2012-09-20 10:18 ` jakub at gcc dot gnu.org
2013-01-20  5:01 ` law at gcc dot gnu.org [this message]
2013-01-20  5:02 ` law at redhat dot com
2013-03-04 11:13 ` gjl at gcc dot gnu.org

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