[Bug tree-optimization/78899] [7 Regression] Vestorized loop with optmized mask stores motion is completely deleted after r242520.

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78899

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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  Attachment #40402|0                           |1
        is obsolete|                            |

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 40403
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40403&action=edit
gcc7-pr78899.patch

Updated patch.  tree-ssa/pr71077.c FAILs with this patch though:
gcc.dg/tree-ssa/pr71077.c:18:5: internal compiler error: in
compute_live_loop_exits, at tree-ssa-loop-manip.c:229
0xc7d317 compute_live_loop_exits
        ../../gcc/tree-ssa-loop-manip.c:229
0xc7d317 add_exit_phis_var
        ../../gcc/tree-ssa-loop-manip.c:316
0xc7d317 add_exit_phis
        ../../gcc/tree-ssa-loop-manip.c:338
0xc7d317 rewrite_into_loop_closed_ssa_1(bitmap_head*, unsigned int, int, loop*)
        ../../gcc/tree-ssa-loop-manip.c:657
0xd8e26c vectorize_loops()
        ../../gcc/tree-vectorizer.c:716
Please submit a full bug report,

so more time will need to be spent on it.