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[Bug middle-end/45230] gcc.c-torture/execute/strncmp-1.c ICEs with -fgraphite-identity



------- Comment #11 from t66667 at gmail dot com  2010-09-15 00:23 -------
FYI, I applied these to gcc-trunk for testing purposes.
[PATCH 1/6] Factor out is_gimple_reg calls.
[PATCH 2/6] A function is affine when CHREC_RIGHT is invariant.
[PATCH 3/6] Fix chrec_contains_symbols_defined_in_loop.
[PATCH 4/6] Also handle ARRAY_REFs in instantiate_scev_r.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45230


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