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[Bug tree-optimization/18601] [4.0 Regression] cfglceanup is slow
- From: "kazu at cs dot umass dot edu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Nov 2004 21:43:26 -0000
- Subject: [Bug tree-optimization/18601] [4.0 Regression] cfglceanup is slow
- References: <20041121210852.18601.pinskia@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From kazu at cs dot umass dot edu 2004-11-21 21:43 -------
If you call free_dominance_info in cleanup_tree_cfg.c right before
calling thread_jumps, the compile time problem basically vanishes.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18601