diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-02-07 16:58:17 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-02-07 16:58:17 +0000 |
| commit | 8f190c8a91e3d1e682ba1163a9533f9217dd5425 (patch) | |
| tree | 97360474f30c6761309e34c3f16854fbc0320127 /gcc/tree-ssa-sccvn.h | |
| parent | 5825ec3f7115c8e7bdb829fed049300532a8666b (diff) | |
| download | gcc-8f190c8a91e3d1e682ba1163a9533f9217dd5425.tar.gz | |
2011-02-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/47615
* tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
* tree-ssa-sccvn.c (default_vn_walk_kind): New global.
(run_scc_vn): Initialize it.
(visit_reference_op_load): Use it.
* tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
* g++.dg/opt/pr47615.C: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169888 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 3d9ee5f7a42..bf99702e43a 100644 --- a/gcc/tree-ssa-sccvn.h +++ b/gcc/tree-ssa-sccvn.h @@ -165,11 +165,13 @@ typedef struct vn_ssa_aux unsigned needs_insertion : 1; } *vn_ssa_aux_t; +typedef enum { VN_NOWALK, VN_WALK, VN_WALKREWRITE } vn_lookup_kind; + /* Return the value numbering info for an SSA_NAME. */ extern vn_ssa_aux_t VN_INFO (tree); extern vn_ssa_aux_t VN_INFO_GET (tree); tree vn_get_expr_for (tree); -bool run_scc_vn (void); +bool run_scc_vn (vn_lookup_kind); void free_scc_vn (void); tree vn_nary_op_lookup (tree, vn_nary_op_t *); tree vn_nary_op_lookup_stmt (gimple, vn_nary_op_t *); @@ -187,7 +189,6 @@ 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 *, vn_lookup_kind); |