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r154494 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Tue, 24 Nov 2009 11:57:27 -0000
- Subject: r154494 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: rguenth
Date: Tue Nov 24 11:57:26 2009
New Revision: 154494
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=154494
Log:
2009-11-24 Richard Guenther <rguenther@suse.de>
PR tree-optimization/42142
* tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
Handle iv-dependent (non-)kills properly.
(mark_aliased_reaching_defs_necessary): Pass the basic-block
of the reference statement to mark_aliased_reaching_defs_necessary_1.
* gcc.c-torture/execute/pr42142.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.c-torture/execute/pr42142.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-dce.c