[Bug tree-optimization/84204] [8 Regression] [graphite] ICE in set_codegen_error, at graphite-isl-ast-to-gimple.c:206

["rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84204

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Feb  7 10:14:25 2018
New Revision: 257441

URL: https://gcc.gnu.org/viewcvs?rev=257441&root=gcc&view=rev
Log:
2018-02-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/84204
        * tree-chrec.c (chrec_fold_plus_1): Remove size limiting in
        this place.

        * gcc.dg/graphite/pr84204.c: New testcase.

        PR tree-optimization/84205
        * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Also
        special-case isl_ast_op_zdiv_r.

        * gcc.dg/graphite/pr84205.c: New testcase.

        PR tree-optimization/84223
        * graphite-scop-detection.c (gather_bbs::before_dom_children):
        Only add conditions from within the region.
        (gather_bbs::after_dom_children): Adjust.

        * gfortran.dg/graphite/pr84223.f90: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/graphite/pr84204.c
    trunk/gcc/testsuite/gcc.dg/graphite/pr84205.c
    trunk/gcc/testsuite/gfortran.dg/graphite/pr84223.f90
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/graphite-isl-ast-to-gimple.c
    trunk/gcc/graphite-scop-detection.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-chrec.c