[Bug tree-optimization/59822] [4.9 Regression] ice in compute_live_loop_exits with -O3

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59822

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Jan 15 15:13:08 2014
New Revision: 206630

URL: http://gcc.gnu.org/viewcvs?rev=206630&root=gcc&view=rev
Log:
2014-01-15  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/59822
    * tree-vect-stmts.c (hoist_defs_of_uses): New function.
    (vectorizable_load): Use it to hoist defs of uses of invariant
    loads out of the loop.

    * g++.dg/torture/pr59822.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr59822.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-stmts.c