tree-ssa-forwprop.c (forward_propagate_into_cond, [...]): Release defs of propagated...

	* tree-ssa-forwprop.c (forward_propagate_into_cond,
	tree_ssa_forward_propagate_single_use_va): Release defs of propagated
	statement.

From-SVN: r120580

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9e9f510acbe1b656628e86816ba91492244c7f26..58f9cd838cd389ecd6bb6ccfe822122553d368a8 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2007-01-08  Jan Hubicka  <jh@suse.cz>
+
+       * tree-ssa-forwprop.c (forward_propagate_into_cond,
+       tree_ssa_forward_propagate_single_use_va): Release defs of propagated
+       statement.
+
 2007-01-08  Richard Guenther  <rguenther@suse.de>
 
        PR tree-optimization/23603

diff --git a/gcc/tree-ssa-forwprop.c b/gcc/tree-ssa-forwprop.c
index 638224a803566e8d9d5a40c4c4150102e4d892f8..a5267ae3970ea01ed38772961619cc26f3ded327 100644 (file)
--- a/gcc/tree-ssa-forwprop.c
+++ b/gcc/tree-ssa-forwprop.c
@@ -561,6 +561,7 @@ forward_propagate_into_cond (tree cond_expr)
          tree def = SSA_NAME_DEF_STMT (test_var);
          block_stmt_iterator bsi = bsi_for_stmt (def);
          bsi_remove (&bsi, true);
+         release_defs (def);
        }
     }
 
@@ -999,7 +1000,10 @@ tree_ssa_forward_propagate_single_use_vars (void)
                {
                  bool some = false;
                  if (forward_propagate_addr_expr (stmt, &some))
-                   bsi_remove (&bsi, true);
+                   {
+                     release_defs (stmt);
+                     bsi_remove (&bsi, true);
+                   }
                  else
                    bsi_next (&bsi);
                  if (some)