[Bug tree-optimization/70729] Loop marked with omp simd pragma is not vectorized

[ienkovich at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70729

Ilya Enkovich <ienkovich at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |ienkovich at gcc dot gnu.org

--- Comment #5 from Ilya Enkovich <ienkovich at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #2)
> Index: gcc/tree-ssa-loop-im.c
> ===================================================================
> --- gcc/tree-ssa-loop-im.c      (revision 235201)
> +++ gcc/tree-ssa-loop-im.c      (working copy)
> @@ -2198,6 +2198,9 @@ ref_indep_loop_p (struct loop *loop, im_
>  {
>    gcc_checking_assert (MEM_ANALYZABLE (ref));
>  
> +  if (loop->safelen == INT_MAX)
> +    return true;
> +
>    return ref_indep_loop_p_2 (loop, ref, false);
>  }
>  
> 
> fixes this.  But better abstract loop->safelen == INT_MAX into a predicate
> in cfgloop.h.
> 

I believe any nonzero value should be good enough.