[Bug tree-optimization/18595] [4.0 Regression] IV-OPTS is O(N^3)

[Daniel Berlin]

On Sun, 24 Jan 2005, rakdver at gcc dot gnu dot org wrote:

>
> ------- Additional Comments From rakdver at gcc dot gnu dot org  2005-01-24 01:46 -------
> On a side note, PRE also seems to have problems with the testcase.  With the
> patch mentioned above, the largest consumers of compile time are ivopts (45%)
> and pre (20%).

Uh, there was a bug filed about this, and i fixed it, last i looked.