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[Bug tree-optimization/50693] Loop optimization restricted by GOTOs
- From: "aoliva at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 25 Oct 2011 04:48:24 +0000
- Subject: [Bug tree-optimization/50693] Loop optimization restricted by GOTOs
- Auto-submitted: auto-generated
- References: <bug-50693-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50693
--- Comment #23 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2011-10-25 04:48:24 UTC ---
Yup. We don't even need a new debug stmt type, methinks. Say, emit the debug
stmt with the LABEL_DECL, decay that to a debug stmt in cfgexpand, and turn
that into a NOTE_INSN_DELETED_LABEL during var-tracking initial scanning, to
minimize code motion impact.