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| author | Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org> | 2019-10-07 23:44:49 +0000 |
|---|---|---|
| committer | Prathamesh Kulkarni <prathamesh3492@gcc.gnu.org> | 2019-10-07 23:44:49 +0000 |
| commit | b238b34ea47222ffca7addc5fe4e8c052ade88b3 (patch) | |
| tree | 45203ecc92dbec87d0c66cc74bce887c2b158735 /gcc/tree-ssa-dse.h | |
| parent | cac52161c501abb93ded17a8f41b4a6310dbdab0 (diff) | |
| download | gcc-b238b34ea47222ffca7addc5fe4e8c052ade88b3.zip gcc-b238b34ea47222ffca7addc5fe4e8c052ade88b3.tar.gz gcc-b238b34ea47222ffca7addc5fe4e8c052ade88b3.tar.bz2 | |
re PR tree-optimization/91532 ([SVE] Redundant predicated store in gcc.target/aarch64/fmla_2.c)
2019-10-07 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
Richard Biener <rguenther@suse.de>
PR tree-optimization/91532
* tree-if-conv.c: Include tree-ssa-dse.h.
(ifcvt_local_dce): Change param from bb to loop,
and call dse_classify_store.
(tree_if_conversion): Pass loop instead of loop->header as arg
to ifcvt_local_dce.
* tree-ssa-dse.c: Include tree-ssa-dse.h.
(delete_dead_or_redundant_assignment): Remove static qualifier from
declaration, and add prototype in tree-ssa-dse.h.
(dse_store_status): Move to tree-ssa-dse.h.
(dse_classify_store): Remove static qualifier and add new tree param
stop_at_vuse, and add prototype in tree-ssa-dse.h.
* tree-ssa-dse.h: New header.
Co-Authored-By: Richard Biener <rguenther@suse.de>
From-SVN: r276681
Diffstat (limited to 'gcc/tree-ssa-dse.h')
| -rw-r--r-- | gcc/tree-ssa-dse.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gcc/tree-ssa-dse.h b/gcc/tree-ssa-dse.h new file mode 100644 index 0000000..a5eccbd --- /dev/null +++ b/gcc/tree-ssa-dse.h @@ -0,0 +1,36 @@ +/* Support routines for dead store elimination. + Copyright (C) 2019 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3, or (at your option) +any later version. + +GCC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#ifndef GCC_TREE_SSA_DSE_H +#define GCC_TREE_SSA_DSE_H + +/* Return value from dse_classify_store */ +enum dse_store_status +{ + DSE_STORE_LIVE, + DSE_STORE_MAYBE_PARTIAL_DEAD, + DSE_STORE_DEAD +}; + +dse_store_status dse_classify_store (ao_ref *, gimple *, bool, sbitmap, + bool * = NULL, tree = NULL); + +void delete_dead_or_redundant_assignment (gimple_stmt_iterator *, const char *); + +#endif /* GCC_TREE_SSA_DSE_H */ |