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[Bug tree-optimization/42906] [4.5 Regression] Empty loop not removed
- From: "steven at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Jan 2010 17:30:46 -0000
- Subject: [Bug tree-optimization/42906] [4.5 Regression] Empty loop not removed
- References: <bug-42906-10053@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #9 from steven at gcc dot gnu dot org 2010-01-30 17:30 -------
The loop is also properly eliminated if I split the (critical) edge from bb6 to
bb5 the edge that brings in the constant "0" to the "j_1 = PHI <j_4(D)(2),
0(6)>".
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42906