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

[steven at gcc dot gnu dot org]

------- Additional Comments From steven at gcc dot gnu dot org  2004-12-23 01:26 -------
hmmm maybe the extra O(N) comes from O(N) bitmap operations? (Just guessing) 
 

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