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[Bug tree-optimization/44462] Redundant looping pure functions whose return value is dead are not optimized out
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 8 Jun 2010 20:10:04 -0000
- Subject: [Bug tree-optimization/44462] Redundant looping pure functions whose return value is dead are not optimized out
- References: <bug-44462-176@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from pinskia at gcc dot gnu dot org 2010-06-08 20:10 -------
>Why do we remove register LHS in DCE again?
Because it reduces the amount of garbage produced by expand :).
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44462