On Tue, Aug 28, 2018 at 4:22 PM Alexander Monakov wrote:
>
> Hi,
>
> PR 86726 is pointing out that -ftree-scev-cprop is not documented.
>
> Here's documentation for the final-value-replacement aspect of the
> option. It technically can also replace in-loop references by
> constants, but that
Alexander Monakov writes:
> @@ -9120,6 +9121,15 @@ determining number of iterations requires complicated
> analysis. Later
> optimizations then may determine the number easily. Useful especially
> in connection with unrolling.
>
> +@item -ftree-scev-cprop
> +@opindex ftree-scev-cprop
>
Hi,
PR 86726 is pointing out that -ftree-scev-cprop is not documented.
Here's documentation for the final-value-replacement aspect of the
option. It technically can also replace in-loop references by
constants, but that doesn't seem very useful.
I'm not aware of any required order for option
