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| author | Richard Biener <rguenther@suse.de> | 2014-05-07 14:19:14 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2014-05-07 14:19:14 +0000 |
| commit | 50f0aa20742add8e1a59154ce76f45c157142fe3 (patch) | |
| tree | a056046546fd39e638f07831fd0af58c4f918b06 /gcc/tree-ssa-pre.c | |
| parent | 2588652e1742e1cf473917d59505632b9ce47ffa (diff) | |
| download | gcc-50f0aa20742add8e1a59154ce76f45c157142fe3.zip gcc-50f0aa20742add8e1a59154ce76f45c157142fe3.tar.gz gcc-50f0aa20742add8e1a59154ce76f45c157142fe3.tar.bz2 | |
re PR tree-optimization/61034 (Optimizing takes too many passes)
2014-05-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/61034
* tree-ssa-alias.c (call_may_clobber_ref_p_1): Export.
(maybe_skip_until): Use translate to take into account
lattices when trying to do disambiguations.
(get_continuation_for_phi_1): Likewise.
(get_continuation_for_phi): Adjust for added translate
arguments.
(walk_non_aliased_vuses): Likewise.
* tree-ssa-alias.h (get_continuation_for_phi): Adjust
prototype.
(walk_non_aliased_vuses): Likewise.
(call_may_clobber_ref_p_1): Declare.
* tree-ssa-sccvn.c (vn_reference_lookup_3): Also
disambiguate against calls. Stop early if we are
only supposed to disambiguate.
* tree-ssa-pre.c (translate_vuse_through_block): Adjust.
* g++.dg/tree-ssa/pr61034.C: New testcase.
From-SVN: r210160
Diffstat (limited to 'gcc/tree-ssa-pre.c')
| -rw-r--r-- | gcc/tree-ssa-pre.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index 95e3af9..f634f5e 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -1308,7 +1308,8 @@ translate_vuse_through_block (vec<vn_reference_op_s> operands, unsigned int cnt; /* Try to find a vuse that dominates this phi node by skipping non-clobbering statements. */ - vuse = get_continuation_for_phi (phi, &ref, &cnt, &visited, false); + vuse = get_continuation_for_phi (phi, &ref, &cnt, &visited, false, + NULL, NULL); if (visited) BITMAP_FREE (visited); } |