[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 #40403|0                           |1
        is obsolete|                            |

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 40458
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40458&action=edit
gcc7-pr78899.patch

WIP updated patch, but there is still some bug in the vops after
slpeel_tree_duplicate_loop_to_edge_cfg.