improving auto increment expressions detection across basic blocks.

[Andrew Pinski]

On Mon, Apr 7, 2008 at 3:31 AM, Ramana Radhakrishnan <ramana.r@gmail.com> wrote:
>  The basic case is as explained below.
>
>  for (i = 0; i < 100; i ++)
>  {
>   if (....)
>  {
>   a[i] = something;
>  }
>  else
>   a[i] = something else..
>
>  }

If it is this case, I think the store to a[i] should really sinked
below the if statement instead of doing anything fancy with
autoincrement.

Thanks,
Andrew Pinski