[Bug tree-optimization/82819] [8 Regression] [graphite] ICE in set_codegen_error, at graphite-isl-ast-to-gimple.c:206

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82819

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Jan 24 09:31:56 2018
New Revision: 257012

URL: https://gcc.gnu.org/viewcvs?rev=257012&root=gcc&view=rev
Log:
2018-01-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/82819
        * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Avoid
        code generating pluses that are no-ops in the target precision.

        * gcc.dg/graphite/pr82819.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/graphite/pr82819.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/graphite-isl-ast-to-gimple.c
    trunk/gcc/testsuite/ChangeLog