[PATCH GCC][2/6]Factor out code pruning runtime alias checks

[Richard Biener]

On Tue, May 23, 2017 at 6:22 PM, Bin Cheng <Bin.Cheng@arm.com> wrote:
> Hi,
> This is the second patch in the set, it factors out code pruning runtime alias
> checks from file tree-vect-data-refs.c to tree-data-ref.c.  It also introduces
> new interface prune_runtime_alias_test_list so that we can use it in pass like
> loop distribution.
> Bootstrap and test on x86_64 and AArch64, is it OK?

Ok.
Richard.

> Thanks,
> bin
> 2017-05-22  Bin Cheng  <bin.cheng@arm.com>
>
>         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
>         Move from ...
>         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
>         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
>         out code pruning runtime alias checks.
>         * tree-data-ref.c (prune_runtime_alias_test_list): New function
>         factored out from above.
>         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
>         Move from ...
>         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
>         ... to here.
>         (prune_runtime_alias_test_list): New decalaration.