diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-01-21 14:02:41 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-01-21 14:02:41 +0000 |
| commit | 8ecc6b382b7cc49428244df58099f917e6566740 (patch) | |
| tree | bb89c6b2d21b401a229d25af78bc12f6947a86fa /gcc/tree-ssa-sccvn.h | |
| parent | 8747a938b46a55255ba421339af830387887f27b (diff) | |
| download | gcc-8ecc6b382b7cc49428244df58099f917e6566740.tar.gz | |
2011-01-21 Richard Guenther <rguenther@suse.de>
PR tree-optimization/47365
* tree-ssa-sccvn.h (vn_lookup_kind): Declare.
(vn_reference_lookup_pieces): Adjust.
(vn_reference_lookup): Likewise.
* tree-ssa-sccvn.c (vn_walk_kind): New static global.
(vn_reference_lookup_3): Only look through kills if in
VN_WALKREWRITE mode.
(vn_reference_lookup_pieces): Adjust.
(vn_reference_lookup): Likewise.
(visit_reference_op_load): Likewise.
(visit_reference_op_store): Likewise.
* tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
(compute_avail): Likewise.
(eliminate): Likewise.
* gcc.dg/torture/pr47365.c: New testcase.
* gcc.dg/tree-ssa/pr47392.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169089 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-sccvn.h')
| -rw-r--r-- | gcc/tree-ssa-sccvn.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/tree-ssa-sccvn.h b/gcc/tree-ssa-sccvn.h index bd8b9bc80ba..3d9ee5f7a42 100644 --- a/gcc/tree-ssa-sccvn.h +++ b/gcc/tree-ssa-sccvn.h @@ -187,10 +187,11 @@ void copy_reference_ops_from_ref (tree, VEC(vn_reference_op_s, heap) **); void copy_reference_ops_from_call (gimple, VEC(vn_reference_op_s, heap) **); bool ao_ref_init_from_vn_reference (ao_ref *, alias_set_type, tree, VEC (vn_reference_op_s, heap) *); +typedef enum { VN_NOWALK, VN_WALK, VN_WALKREWRITE } vn_lookup_kind; tree vn_reference_lookup_pieces (tree, alias_set_type, tree, VEC (vn_reference_op_s, heap) *, - vn_reference_t *, bool); -tree vn_reference_lookup (tree, tree, bool, vn_reference_t *); + vn_reference_t *, vn_lookup_kind); +tree vn_reference_lookup (tree, tree, vn_lookup_kind, vn_reference_t *); vn_reference_t vn_reference_insert (tree, tree, tree); vn_reference_t vn_reference_insert_pieces (tree, alias_set_type, tree, VEC (vn_reference_op_s, heap) *, |