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[Bug tree-optimization/34123] [4.3 Regression] verify_ssa failed with -ftree-loop-linear
- From: "spop at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 18 Dec 2007 19:40:51 -0000
- Subject: [Bug tree-optimization/34123] [4.3 Regression] verify_ssa failed with -ftree-loop-linear
- References: <bug-34123-12387@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from spop at gcc dot gnu dot org 2007-12-18 19:40 -------
Subject: Bug 34123
Author: spop
Date: Tue Dec 18 19:40:35 2007
New Revision: 131040
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=131040
Log:
2007-12-18 Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/34123
* lambda-code.c (can_duplicate_iv): New.
(cannot_convert_modify_to_perfect_nest): New.
(cannot_convert_bb_to_perfect_nest): New.
(can_convert_to_perfect_nest): Split up.
* gcc.dg/tree-ssa/pr34123.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr34123.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/lambda-code.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34123