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[Bug tree-optimization/52255] [4.7 Regression] ICE: verify_ssa failed, block does not dominate use
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 16 Feb 2012 10:20:33 +0000
- Subject: [Bug tree-optimization/52255] [4.7 Regression] ICE: verify_ssa failed, block does not dominate use
- Auto-submitted: auto-generated
- References: <bug-52255-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52255
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-16 10:20:33 UTC ---
Author: jakub
Date: Thu Feb 16 10:20:26 2012
New Revision: 184306
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184306
Log:
PR tree-optimization/52255
* tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
loop->header has virtual PHI, but exit_e->dest doesn't, add
virtual PHI to exit_e->dest and adjust all uses after the loop.
* gcc.c-torture/compile/pr52255.c: New test.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr52255.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-loop-manip.c