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[Bug tree-optimization/15559] [3.3/3.4/3.5 Regression] SSAPRE misses obvious redundant expression
- From: "dberlin at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Jun 2004 16:05:29 -0000
- Subject: [Bug tree-optimization/15559] [3.3/3.4/3.5 Regression] SSAPRE misses obvious redundant expression
- References: <20040521043035.15559.pinskia@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From dberlin at gcc dot gnu dot org 2004-06-10 16:05 -------
Actually, i'm not sure what you expect to happen here.
We won't hoist this because there is no point in hoisting this, it doesn't reduce the total number of
computations along any path, but does increase the lifetime.
There is nothing redundant along any single path in the program.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15559