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| author | dberlin <dberlin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-07-04 22:11:14 +0000 |
|---|---|---|
| committer | dberlin <dberlin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-07-04 22:11:14 +0000 |
| commit | 40256f4a89cffbff2e1ca6ce96945e6e80e139a1 (patch) | |
| tree | 7272a49f1cbf9d9cb1aace024bdd6f07a6145473 /gcc/tree-ssa-sccvn.c | |
| parent | f86b386b83bc3b0314448afba225afe88db90f31 (diff) | |
| download | gcc-40256f4a89cffbff2e1ca6ce96945e6e80e139a1.tar.gz | |
2007-07-04 Daniel Berlin <dberlin@dberlin.org>
PR tree-optimization/32604
PR tree-optimization/32606
* tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
(compute_antic_safe): Removed.
(ANTIC_SAFE_LOADS): Ditto.
(compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
(execute_pre): Don't call compute_antic_safe.
(vuse_equiv): New function.
(make_values_for_stmt): Use it
* tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
not always true.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126338 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-sccvn.c')
| -rw-r--r-- | gcc/tree-ssa-sccvn.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/gcc/tree-ssa-sccvn.c b/gcc/tree-ssa-sccvn.c index 0f0822984c3..9036e2ed6f9 100644 --- a/gcc/tree-ssa-sccvn.c +++ b/gcc/tree-ssa-sccvn.c @@ -1017,14 +1017,6 @@ set_ssa_val_to (tree from, tree to) tree currval; gcc_assert (to != NULL); - /* Make sure we don't create chains of copies, so that we get the - best value numbering. visit_copy has code to make sure this doesn't - happen, we are doing this here to assert that nothing else breaks - this. */ - gcc_assert (TREE_CODE (to) != SSA_NAME - || TREE_CODE (SSA_VAL (to)) != SSA_NAME - || SSA_VAL (to) == to - || to == from); /* The only thing we allow as value numbers are ssa_names and invariants. So assert that here. */ gcc_assert (TREE_CODE (to) == SSA_NAME || is_gimple_min_invariant (to)); |