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tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call mark_dfs_back_edges. 

* tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
	mark_dfs_back_edges.

From-SVN: r93753
This commit is contained in:
Kazu Hirata 2005-01-17 06:44:05 +00:00 committed by Kazu Hirata
parent 7f233d9f54
commit 724e4d443b
2 changed files with 5 additions and 5 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
mark_dfs_back_edges.
2005-01-16 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-pre.c (add_to_sets): s1 may be NULL.

5
gcc/tree-ssa-dom.c
View File

@ -374,11 +374,6 @@ tree_ssa_dominator_optimize (void)
for (i = 0; i < num_referenced_vars; i++)
var_ann (referenced_var (i))->current_def = NULL;
/* Mark loop edges so we avoid threading across loop boundaries.
This may result in transforming natural loop into irreducible
region. */
mark_dfs_back_edges ();
/* Create our hash tables. */
avail_exprs = htab_create (1024, real_avail_expr_hash, avail_expr_eq, free);
vrp_data = htab_create (ceil_log2 (num_ssa_names), vrp_hash, vrp_eq, free);