[Bug tree-optimization/81090] [8 Regression] [graphite] ICE in loop_preheader_edge

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81090

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Jun 16 12:19:24 2017
New Revision: 249249

URL: https://gcc.gnu.org/viewcvs?rev=249249&root=gcc&view=rev
Log:
2017-06-16  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/81090
        * passes.def (pass_record_bounds): Remove.
        * tree-pass.h (make_pass_record_bounds): Likewise.
        * tree-ssa-loop.c (pass_data_record_bounds, pass_record_bounds,
        make_pass_record_bounds): Likewise.
        * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Do
        not free niter estimates at the beginning but at the end.
        * tree-scalar-evolution.c (scev_finalize): Free niter estimates.

        * gcc.dg/graphite/pr81090.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/graphite/pr81090.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/passes.def
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-pass.h
    trunk/gcc/tree-scalar-evolution.c
    trunk/gcc/tree-ssa-loop-ivcanon.c
    trunk/gcc/tree-ssa-loop.c