http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55964



--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> 2013-01-16 
14:07:03 UTC ---

Author: rguenth

Date: Wed Jan 16 14:06:58 2013

New Revision: 195239



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195239

Log:

2013-01-16  Richard Biener  <rguent...@suse.de>



    PR tree-optimization/55964

    * tree-flow.h (rename_variables_in_loop): Remove.

    (rename_variables_in_bb): Likewise.

    * tree-loop-distribution.c (update_phis_for_loop_copy): Remove.

    (copy_loop_before): Adjust and delete update-ssa status.

    * tree-vect-loop-manip.c (rename_variables_in_bb): Make static.

    (rename_variables_in_bb): Likewise.  Properly walk over

    predecessors.

    (rename_variables_in_loop): Remove.

    (slpeel_update_phis_for_duplicate_loop): Likewise.

    (slpeel_tree_duplicate_loop_to_edge_cfg): Handle nested loops,

    use available cfg machinery instead of duplicating it.

    Update PHI nodes and perform poor-mans SSA update here.

    (slpeel_tree_peel_loop_to_edge): Adjust.



    * gcc.dg/torture/pr55964.c: New testcase.



Added:

    trunk/gcc/testsuite/gcc.dg/torture/pr55964.c

Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/testsuite/ChangeLog

    trunk/gcc/tree-flow.h

    trunk/gcc/tree-loop-distribution.c

    trunk/gcc/tree-vect-loop-manip.c

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