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[Bug tree-optimization/84712] Missed evaluating to constant at tree level
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 05 Mar 2018 13:54:52 +0000
- Subject: [Bug tree-optimization/84712] Missed evaluating to constant at tree level
- Auto-submitted: auto-generated
- References: <bug-84712-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84712
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
Status|UNCONFIRMED |NEW
Last reconfirmed| |2018-03-05
CC| |rguenth at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
DOM value-numbering doesn't know how to fold the read from the constant
initializer. I belive we have dups for this.