On Fri, Jan 13, 2017 at 9:46 AM, Richard Biener <rguent...@suse.de> wrote:
>
> The following is an attempt to change those testcases to be less dependent
> on previous passes. The original motivation of the testcases seems to be
> testing SCEV capabilities and in turn IVOPTs decisions, thus the testcases
> are changed to check the IVO dump, use the GIMPLE FE feeding the loop
> pipeline directly and skip lowering/store-motion we meanwhile do to
> the testcase.
>
> To avoid some existing issue with CFG construction after GIMPLE parsing
> we need to be able to add GIMPLE_NOPs which the patch enables to generate
> from empty stmts (previously those resulted in parse errors).
>
> Tested the testcases on x86_64 with {,-m32} sofar I'll appreciate
> testing on more targets.
I checked aarch64-elf/aarch64-linux with default configuration, all
passed with this change.
Thanks,
bin
>
> Full bootstrap / regtest running on x86_64-unknown-linux-gnu.
>
> Richard.
>
> - }
> }
>
> -/* { dg-final { scan-tree-dump-times "&a" 1 "optimized" } } */
> +/* { dg-final { scan-tree-dump-times "&a" 1 "ivopts" } } */
