[Bug tree-optimization/42205] [4.5 Regression] [graphite] internal compiler error: verify_ssa failed with -ffast-math -floop-interchange

[spop at gcc dot gnu dot org]

------- Comment #7 from spop at gcc dot gnu dot org  2009-12-18 06:10 -------
Subject: Bug 42205

Author: spop
Date: Fri Dec 18 06:10:06 2009
New Revision: 155334

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155334
Log:
Fix PR42205.

2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42205
        * graphite-sese-to-poly.c
(translate_scalar_reduction_to_array_for_stmt):
        Insert the reduction copy in the same block as the phi node.
        (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.

        * testsuite/gcc.dg/graphite/pr42205-1.c: New.
        * testsuite/gcc.dg/graphite/pr42205-2.c: New.

Added:
    branches/graphite/gcc/testsuite/gcc.dg/graphite/pr42205-1.c
    branches/graphite/gcc/testsuite/gcc.dg/graphite/pr42205-2.c
Modified:
    branches/graphite/gcc/ChangeLog.graphite
    branches/graphite/gcc/graphite-sese-to-poly.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42205