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r143469 - in /branches/alias-improvements/gcc: ...
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Sat, 17 Jan 2009 16:02:37 -0000
- Subject: r143469 - in /branches/alias-improvements/gcc: ...
Author: rguenth
Date: Sat Jan 17 16:02:36 2009
New Revision: 143469
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143469
Log:
2009-01-17 Richard Guenther <rguenther@suse.de>
PR middle-end/13146
PR tree-optimization/38895
* tree-ssa-alias.c (same_type_for_tbaa): New helper function.
(refs_may_alias_p): Use it. Extend access path based disambiguation.
* gcc.dg/tree-ssa/pr13146.c: New testcase.
* gcc.dg/tree-ssa/pr38895.c: Likewise.
* g++.dg/tree-ssa/pr13146.C: Likewise.
Added:
branches/alias-improvements/gcc/testsuite/g++.dg/tree-ssa/pr13146.C
branches/alias-improvements/gcc/testsuite/gcc.dg/tree-ssa/pr13146.c
branches/alias-improvements/gcc/testsuite/gcc.dg/tree-ssa/pr38895.c
Modified:
branches/alias-improvements/gcc/ChangeLog.alias
branches/alias-improvements/gcc/tree-ssa-alias.c