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authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>2014-12-09 14:25:09 +0000
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>2014-12-09 14:25:09 +0000
commit46816709f5d7772e17f815583283eab6cc556889 (patch)
treeb2b878ed94eea9cd92e69a9449a9a13df6159253 /gcc/tree-ssa-dom.c
parentd10a337d4ea0fd41ae33623ce9f1509656f86808 (diff)
downloadgcc-46816709f5d7772e17f815583283eab6cc556889.tar.gz
2014-12-09 Richard Biener <rguenther@suse.de>
PR tree-optimization/64193 * tree-ssa-alias.c (walk_non_aliased_vuses): Add valueize parameter and valueize the VUSE before looking up the def stmt. * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype. * tree-ssa-sccvn.c (vn_reference_lookup_pieces): Pass vn_valueize to walk_non_aliased_vuses. (vn_reference_lookup): Likewise. * tree-ssa-dom.c (lookup_avail_expr): Pass NULL as valueize callback to walk_non_aliased_vuses. * gcc.dg/tree-ssa/ssa-fre-43.c: New testcase. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@218515 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-dom.c')
-rw-r--r--gcc/tree-ssa-dom.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c
index 60be376e740..bd37226c856 100644
--- a/gcc/tree-ssa-dom.c
+++ b/gcc/tree-ssa-dom.c
@@ -2635,7 +2635,7 @@ lookup_avail_expr (gimple stmt, bool insert)
&& TREE_CODE (gimple_assign_lhs (stmt)) == SSA_NAME
&& (ao_ref_init (&ref, gimple_assign_rhs1 (stmt)), true)
&& walk_non_aliased_vuses (&ref, vuse2,
- vuse_eq, NULL, vuse1) != NULL))
+ vuse_eq, NULL, NULL, vuse1) != NULL))
{
struct expr_hash_elt *element2 = XNEW (struct expr_hash_elt);
*element2 = element;