diff options
| author | Richard Biener <rguenther@suse.de> | 2016-04-19 13:22:19 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-04-19 13:22:19 +0000 |
| commit | 65f52ee9b978858ed791162f29a04f2cbcef6dbc (patch) | |
| tree | c229c8622615d24353d0e083b34905437310e60f /gcc/tree-ssa-sccvn.h | |
| parent | 27b95a65410ccb700752c8178fd19f1485a4b5bf (diff) | |
re PR tree-optimization/70724 (Miscompiles python3 with FDO)
2016-04-19 Richard Biener <rguenther@suse.de>
PR tree-optimization/70724
* tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
restoring out from ...
(free_scc_vn): ... here.
* tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
* tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
tail merging.
(pass_fre::execute): Restore SSA info.
* gcc.dg/torture/pr70724.c: New testcase.
From-SVN: r235203
Diffstat (limited to 'gcc/tree-ssa-sccvn.h')
| -rw-r--r-- | gcc/tree-ssa-sccvn.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/tree-ssa-sccvn.h b/gcc/tree-ssa-sccvn.h index a3f9fa26ad3..1f6af4043fa 100644 --- a/gcc/tree-ssa-sccvn.h +++ b/gcc/tree-ssa-sccvn.h @@ -204,6 +204,7 @@ extern vn_ssa_aux_t VN_INFO_GET (tree); tree vn_get_expr_for (tree); bool run_scc_vn (vn_lookup_kind); void free_scc_vn (void); +void scc_vn_restore_ssa_info (void); tree vn_nary_op_lookup (tree, vn_nary_op_t *); tree vn_nary_op_lookup_stmt (gimple *, vn_nary_op_t *); tree vn_nary_op_lookup_pieces (unsigned int, enum tree_code, |