diff options
| author | Richard Biener <rguenther@suse.de> | 2013-03-18 08:50:35 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2013-03-18 08:50:35 +0000 |
| commit | 789c34e3c7bb5e5c7c2cadd8de7c395654bf99cf (patch) | |
| tree | fd3c04f48ff5f735f369b2139b77be033bcb4b05 /gcc/tree-ssa-loop-manip.c | |
| parent | 076b460557487a225815e3870405e67a3f149a0c (diff) | |
| download | gcc-789c34e3c7bb5e5c7c2cadd8de7c395654bf99cf.zip gcc-789c34e3c7bb5e5c7c2cadd8de7c395654bf99cf.tar.gz gcc-789c34e3c7bb5e5c7c2cadd8de7c395654bf99cf.tar.bz2 | |
tree-ssa-loop-manip.c (find_uses_to_rename): Do not scan the whole function when there is nothing to do.
2013-03-18 Richard Biener <rguenther@suse.de>
* tree-ssa-loop-manip.c (find_uses_to_rename): Do not scan the
whole function when there is nothing to do.
* tree-ssa-loop.c (pass_vectorize): Remove TODO_update_ssa.
* tree-vectorizer.c (vectorize_loops): Update virtual and
loop-closed SSA once.
* tree-vect-loop.c (vect_transform_loop): Do not update SSA here.
From-SVN: r196770
Diffstat (limited to 'gcc/tree-ssa-loop-manip.c')
| -rw-r--r-- | gcc/tree-ssa-loop-manip.c | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/gcc/tree-ssa-loop-manip.c b/gcc/tree-ssa-loop-manip.c index 4645588..a0516c4 100644 --- a/gcc/tree-ssa-loop-manip.c +++ b/gcc/tree-ssa-loop-manip.c @@ -443,21 +443,12 @@ find_uses_to_rename (bitmap changed_bbs, bitmap *use_blocks, bitmap need_phis) unsigned index; bitmap_iterator bi; - /* ??? If CHANGED_BBS is empty we rewrite the whole function -- why? */ - if (changed_bbs && !bitmap_empty_p (changed_bbs)) - { - EXECUTE_IF_SET_IN_BITMAP (changed_bbs, 0, index, bi) - { - find_uses_to_rename_bb (BASIC_BLOCK (index), use_blocks, need_phis); - } - } + if (changed_bbs) + EXECUTE_IF_SET_IN_BITMAP (changed_bbs, 0, index, bi) + find_uses_to_rename_bb (BASIC_BLOCK (index), use_blocks, need_phis); else - { - FOR_EACH_BB (bb) - { - find_uses_to_rename_bb (bb, use_blocks, need_phis); - } - } + FOR_EACH_BB (bb) + find_uses_to_rename_bb (bb, use_blocks, need_phis); } /* Rewrites the program into a loop closed ssa form -- i.e. inserts extra |