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r145533 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Sat, 04 Apr 2009 09:34:33 -0000
- Subject: r145533 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: rguenth
Date: Sat Apr 4 09:34:32 2009
New Revision: 145533
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=145533
Log:
2009-04-04 Richard Guenther <rguenther@suse.de>
PR tree-optimization/8781
PR tree-optimization/37892
* tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
* tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
(valueize_refs): Call it for *& valueizations.
(shared_reference_ops_from_ref): Rename to ...
(valueize_shared_reference_ops_from_ref): ... this and valueize.
(shared_reference_ops_from_call): Rename to ...
(valueize_shared_reference_ops_from_call): ... this and valueize.
(vn_reference_lookup): Update.
(visit_reference_op_call): Likewise.
* tree-ssa-pre.c (phi_translate_1): Fold *&.
(eliminate): Value-replace the call address in call statements.
* g++.dg/tree-ssa/pr8781.C: New testcase.
* gcc.dg/tree-ssa/ssa-pre-25.c: Likewise.
Added:
trunk/gcc/testsuite/g++.dg/tree-ssa/pr8781.C
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-25.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-pre.c
trunk/gcc/tree-ssa-sccvn.c
trunk/gcc/tree-ssa-sccvn.h