tree-pass.h, [...]: Revert last change.

        * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
        * tree-ssa-loop.c (pass_vect_dce): Remove.
        * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
        of pass_vectorize.

From-SVN: r104382

gcc/ChangeLog

 2005-09-17  Richard Henderson  <rth@redhat.com>
 
+	* tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
+	* tree-ssa-loop.c (pass_vect_dce): Remove.
+	* passes.c (init_optimization_passes): Add pass_dce as a sub-pass
+	of pass_vectorize.
+
+2005-09-17  Richard Henderson  <rth@redhat.com>
+
 	* tree-pass.h (pass_vect_dce): Declare.
 	* passes.c (init_optimization_passes): Add it.
 	* tree-flow.h (tree_ssa_dce): Declare.

gcc/passes.c

@@ -567,7 +567,6 @@ init_optimization_passes (void)
   NEXT_PASS (pass_iv_canon);
   NEXT_PASS (pass_if_conversion);
   NEXT_PASS (pass_vectorize);
-  NEXT_PASS (pass_vect_dce);
   /* NEXT_PASS (pass_may_alias) cannot be done again because the
      vectorizer creates alias relations that are not supported by
      pass_may_alias.  */
@@ -577,6 +576,10 @@ init_optimization_passes (void)
   NEXT_PASS (pass_tree_loop_done);
   *p = NULL;
 
+  p = &pass_vectorize.sub;
+  NEXT_PASS (pass_dce);
+  *p = NULL;
+
   p = &pass_loop2.sub;
   NEXT_PASS (pass_rtl_loop_init);
   NEXT_PASS (pass_rtl_move_loop_invariants);

gcc/tree-flow.h

@@ -707,9 +707,6 @@ struct tree_niter_desc
 			   the loop), then the information would be lost.  */
 };
 
-/* In tree-ssa-dce.c */
-void tree_ssa_dce (void);
-
 /* In tree-vectorizer.c */
 void vectorize_loops (struct loops *);
 

gcc/tree-pass.h

@@ -234,7 +234,6 @@ extern struct tree_opt_pass pass_empty_loop;
 extern struct tree_opt_pass pass_record_bounds;
 extern struct tree_opt_pass pass_if_conversion;
 extern struct tree_opt_pass pass_vectorize;
-extern struct tree_opt_pass pass_vect_dce;
 extern struct tree_opt_pass pass_complete_unroll;
 extern struct tree_opt_pass pass_iv_optimize;
 extern struct tree_opt_pass pass_tree_loop_done;

gcc/tree-ssa-dce.c

@@ -935,7 +935,7 @@ perform_tree_ssa_dce (bool aggressive)
 }
 
 /* Pass entry points.  */
-void
+static void
 tree_ssa_dce (void)
 {
   perform_tree_ssa_dce (/*aggressive=*/false);

gcc/tree-ssa-loop.c

@@ -214,27 +214,6 @@ struct tree_opt_pass pass_vectorize =
   0					/* letter */
 };
 
-struct tree_opt_pass pass_vect_dce =
-{
-  "vect_dce",				/* name */
-  gate_tree_vectorize,			/* gate */
-  tree_ssa_dce,				/* execute */
-  NULL,					/* sub */
-  NULL,					/* next */
-  0,					/* static_pass_number */
-  TV_TREE_DCE,				/* tv_id */
-  PROP_cfg | PROP_ssa | PROP_alias,	/* properties_required */
-  0,					/* properties_provided */
-  0,					/* properties_destroyed */
-  0,					/* todo_flags_start */
-  TODO_dump_func 
-    | TODO_update_ssa_no_phi 
-    | TODO_cleanup_cfg
-    | TODO_ggc_collect
-    | TODO_verify_ssa,			/* todo_flags_finish */
-  0					/* letter */
-};
-
 /* Loop nest optimizations.  */
 
 static void