[Bug tree-optimization/50913] [4.7 Regression] ICE in scan_tree_for_params_right_scev, at graphite-sese-to-poly.c:633 compiling libgfortran with -floop-interchange -m32

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50913

--- Comment #9 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-01-10 
09:14:57 UTC ---
Author: rguenth
Date: Tue Jan 10 09:14:51 2012
New Revision: 183055

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183055
Log:
2012-01-10  Richard Guenther  <rguent...@suse.de>

    PR tree-optimization/50913
    * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
    Require data-refs to be representable by Graphite with respect
    to any loop nest.

    * gcc.dg/graphite/interchange-16.c: New testcase.
    * gcc.dg/graphite/scop-20.c: XFAIL.
    * gfortran.dg/graphite/interchange-1.f: Likewise.
    * gfortran.dg/graphite/block-1.f90: Likewise.
    * gfortran.dg/graphite/block-2.f: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/graphite/interchange-16.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/graphite-scop-detection.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/graphite/scop-20.c
    trunk/gcc/testsuite/gfortran.dg/graphite/block-1.f90
    trunk/gcc/testsuite/gfortran.dg/graphite/block-2.f
    trunk/gcc/testsuite/gfortran.dg/graphite/interchange-1.f