[Bug tree-optimization/34123] [4.3 Regression] verify_ssa failed with -ftree-loop-linear

["spop at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.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

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