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[Bug tree-optimization/79034] [6 Regression] error: missing PHI def in verify_gimple_in_cfg
- 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: Thu, 26 Jan 2017 13:09:15 +0000
- Subject: [Bug tree-optimization/79034] [6 Regression] error: missing PHI def in verify_gimple_in_cfg
- Auto-submitted: auto-generated
- References: <bug-79034-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79034
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Jan 26 13:08:43 2017
New Revision: 244930
URL: https://gcc.gnu.org/viewcvs?rev=244930&root=gcc&view=rev
Log:
2017-01-26 Richard Biener <rguenther@suse.de>
Backport from mainline
2016-01-10 Richard Biener <rguenther@suse.de>
PR tree-optimization/79034
* tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
Propagate out degenerate PHIs in the joiner.
* g++.dg/torture/pr79034.C: New testcase.
2016-11-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/78224
* tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
Split the fallthru edge in case its successor may have PHIs.
Do not free dominance info.
* g++.dg/torture/pr78224.C: New testcase.
Added:
branches/gcc-5-branch/gcc/testsuite/g++.dg/torture/pr78224.C
branches/gcc-5-branch/gcc/testsuite/g++.dg/torture/pr79034.C
Modified:
branches/gcc-5-branch/gcc/ChangeLog
branches/gcc-5-branch/gcc/testsuite/ChangeLog
branches/gcc-5-branch/gcc/tree-call-cdce.c