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[Bug tree-optimization/77362] [6/7 Regression] [graphite] ICE in sese_build_liveouts_use w/ -O2 -floop-nest-optimize
- From: "marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 30 Jan 2017 14:57:32 +0000
- Subject: [Bug tree-optimization/77362] [6/7 Regression] [graphite] ICE in sese_build_liveouts_use w/ -O2 -floop-nest-optimize
- Auto-submitted: auto-generated
- References: <bug-77362-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77362
--- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> ---
Created attachment 40623
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40623&action=edit
Patch candidate
The patch fixes issue, however I believe that PHI handling is in general broken
in graphite since r236440. This PR is very similar to PR71351. Both are
confused by PHI nodes created by LIM.