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

[rakdver at atrey dot karlin dot mff dot cuni dot cz]

------- Additional Comments From rakdver at atrey dot karlin dot mff dot cuni dot cz  2004-12-23 01:29 -------
Subject: Re:  [4.0 Regression] IV-OPTS is O(N^3)

> hmmm maybe the extra O(N) comes from O(N) bitmap operations? (Just guessing) 

that might be the case, but I don't think it is likely (also just
guessing :-)  As far as I can tell all bitmaps in ivopts should be small
for this testcase.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18595