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[Bug middle-end/53144] [4.7/4.8 Regression] PPRE infinite loop
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 03 May 2012 08:49:09 +0000
- Subject: [Bug middle-end/53144] [4.7/4.8 Regression] PPRE infinite loop
- Auto-submitted: auto-generated
- References: <bug-53144-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53144
--- Comment #10 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-05-03 08:49:09 UTC ---
Author: rguenth
Date: Thu May 3 08:49:03 2012
New Revision: 187080
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=187080
Log:
2012-05-03 Richard Guenther <rguenther@suse.de>
PR tree-optimization/53144
* tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
Rename to ...
(vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
with SSA name values.
(vn_reference_lookup_3): Adjust callers.
* gcc.dg/torture/pr53144.c: New testcase.
Added:
branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/pr53144.c
Modified:
branches/gcc-4_7-branch/gcc/ChangeLog
branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
branches/gcc-4_7-branch/gcc/tree-ssa-sccvn.c