This is the mail archive of the
gcc-cvs@gcc.gnu.org
mailing list for the GCC project.
r228635 - in /trunk/gcc: ChangeLog gimple-fold....
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Fri, 09 Oct 2015 08:12:18 -0000
- Subject: r228635 - in /trunk/gcc: ChangeLog gimple-fold....
Author: rguenth
Date: Fri Oct 9 08:12:18 2015
New Revision: 228635
URL: https://gcc.gnu.org/viewcvs?rev=228635&root=gcc&view=rev
Log:
2015-10-09 Richard Biener <rguenther@suse.de>
PR tree-optimization/67891
* gimple-match.h (gimple_simplified_result_is_gimple_val):
New helper.
(gimple_resimplify1): Declare.
(gimple_resimplify2): Likewise.
(gimple_resimplify3): Likewise.
* gimple-match-head.c (gimple_resimplify1): Export.
(gimple_resimplify2): Likewise.
(gimple_resimplify3): Likewise.
(maybe_push_res_to_seq): Use gimple_simplified_result_is_gimple_val.
* gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
* tree-ssa-sccvn.c (visit_reference_op_load): Use gimple_resimplify1
to avoid creating stmts without VN info.
* gcc.dg/tree-ssa/pr67891.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr67891.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/gimple-fold.c
trunk/gcc/gimple-match-head.c
trunk/gcc/gimple-match.h
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-sccvn.c