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[Bug middle-end/46924] [4.6 Regression] ICE: SIGSEGV in rewrite_commutative_reductions_out_of_ssa_loop (graphite-poly.h:450) with -fgraphite-identity -ffast-math -fno-tree-loop-im
- From: "spop 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 Dec 2010 22:54:40 +0000
- Subject: [Bug middle-end/46924] [4.6 Regression] ICE: SIGSEGV in rewrite_commutative_reductions_out_of_ssa_loop (graphite-poly.h:450) with -fgraphite-identity -ffast-math -fno-tree-loop-im
- Auto-submitted: auto-generated
- References: <bug-46924-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46924
--- Comment #3 from Sebastian Pop <spop at gcc dot gnu.org> 2010-12-16 22:54:24 UTC ---
Author: spop
Date: Thu Dec 16 22:54:17 2010
New Revision: 167962
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167962
Log:
Fix PR46924: Do not detect reductions outside the current SESE region.
2010-12-16 Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/46924
* graphite-sese-to-poly.c (detect_commutative_reduction): Do not
detect reductions outside the current SESE region.
* sese.h (stmt_in_sese_p): New.
(defined_in_sese_p): Call stmt_in_sese_p.
* gcc.dg/graphite/pr46924.c: New.
Added:
trunk/gcc/testsuite/gcc.dg/graphite/pr46924.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/graphite-sese-to-poly.c
trunk/gcc/sese.h
trunk/gcc/testsuite/ChangeLog