[Bug tree-optimization/88031] [9 Regression] ICE in vectorizable_reduction, at tree-vect-loop.c:6953

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88031

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Nov 15 13:42:13 2018
New Revision: 266182

URL: https://gcc.gnu.org/viewcvs?rev=266182&root=gcc&view=rev
Log:
2018-11-15  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/88031
        * tree-vect-loop.c (vectorizable_reduction): Move check
        for multiple types earlier so we get the expected dump.
        Simplify calls to vectorizable_condition.
        * tree-vect-stmts.h (vectorizable_condition): Update prototype.
        * tree-vect-stmts.c (vectorizable_condition): Instead of
        reduc_def and reduc_index take just a flag.  Simplify
        code-generation now that we can rely on the defs being set up.
        (vectorizable_comparison): Remove unused argument.

        * gcc.dg/pr88031.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr88031.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c
    trunk/gcc/tree-vect-stmts.c
    trunk/gcc/tree-vectorizer.h