tree-flow.h (struct gimple_df): Remove syms_to_rename member, add ssa_renaming_needed and rename_vops flags.

2012-08-01  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (struct gimple_df): Remove syms_to_rename member,
	add ssa_renaming_needed and rename_vops flags.
	(SYMS_TO_RENAME): Remove.
	(symbol_marked_for_renaming): Likewise.
	(mark_virtual_ops_for_renaming): Likewise.
	* tree-into-ssa.c (symbols_to_rename_set, symbols_to_rename):
	New globals.
	(mark_for_renaming, marked_for_renaming): New functions.
	(symbol_marked_for_renaming): Remove.
	(dump_currdefs): Adjust.
	(maybe_replace_use): Likewise.
	(maybe_replace_use_in_debug_stmt): Likewise.
	(maybe_register_def): Likewise.
	(rewrite_update_phi_arguments): Likewise.
	(rewrite_update_enter_block): Likewise.
	(fini_ssa_renamer): Clear update SSA status here ...
	(delete_update_ssa): ... not here.  Free rename set.
	(prepare_block_for_update): Compute which decls need renaming.
	(dump_update_ssa): Adjust.
	(mark_sym_for_renaming): Adjust update SSA status for virtuals.
	(need_ssa_update_p): Adjust.
	(insert_updated_phi_nodes_for): Likewise.
	(update_ssa): Likewise.
	* tree-ssa-operands.c (finalize_ssa_defs): Adjust update SSA status
	for virtual and real operands.
	(finalize_ssa_uses): Likewise.
	* tree-ssanames.c (init_ssanames): Adjust.
	* tree-ssa.c (maybe_rewrite_mem_ref_base, maybe_optimize_var,
	execute_update_addresses_taken): Add bitmap to keep track of which
	candidates are suitable for rewriting and later renaming by SSA
	update.
	* matrix-reorg.c (transform_access_sites): Do not rename all defs.
	* tree-dfa.c (make_rename_temp): Do not mark real operands for renaming.
	* cgraphunit.c (assemble_thunk): Likewise.
	* gimplify.c (gimple_regimplify_operands): Likewise.
	(force_gimple_operand_1): Likewise.
	* ipa-prop.c (ipa_modify_formal_parameters): Likewise.
	* tree-inline.c (declare_return_variable): Likewise.
	* tree-parloops.c (separate_decls_in_region_stmt): Do not call
	mark_virtual_ops_for_renaming.
	(create_stores_for_reduction): Likewise.
	(create_loads_and_stores_for_name): Likewise.
	* tree-predcom.c (mark_virtual_ops_for_renaming): Remove.
	(initialize_root_vars_lm): Do not call mark_virtual_ops_for_renaming.
	(execute_load_motion): Likewise.
	(remove_stmt): Likewise.
	(execute_pred_commoning_chain): Likewise.
	* tree-sra.c (create_access_replacement): Do not rename real
	operands.
	(get_unrenamed_access_replacement): Unify with ...
	(get_access_replacement): ... this.
	(get_repl_default_def_ssa_name): Adjust.
	* tree-ssa-loop-im.c (move_computations_stmt): Manually update
	virtual SSA form.
	(rewrite_mem_ref_loc): Do not call mark_virtual_ops_for_renaming.
	* tree-ssa-loop-prefetch.c (emit_mfence_after_loop): Likewise.

From-SVN: r190033

1 files changed, 1 insertions, 31 deletions

diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index f48b81f4b53..0c6ea1ce2be 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -8527,22 +8527,7 @@ gimple_regimplify_operands (gimple stmt, gimple_stmt_iterator *gsi_p)
       add_referenced_var (t);
 
   if (!gimple_seq_empty_p (pre))
-    {
-      if (gimple_in_ssa_p (cfun))
-	{
-	  gimple_stmt_iterator i;
-
-	  for (i = gsi_start (pre); !gsi_end_p (i); gsi_next (&i))
-	    {
-	      tree lhs = gimple_get_lhs (gsi_stmt (i));
-	      if (lhs
-		  && TREE_CODE (lhs) != SSA_NAME
-		  && is_gimple_reg (lhs))
-		mark_sym_for_renaming (lhs);
-	    }
-	}
-      gsi_insert_seq_before (gsi_p, pre, GSI_SAME_STMT);
-    }
+    gsi_insert_seq_before (gsi_p, pre, GSI_SAME_STMT);
   if (post_stmt)
     gsi_insert_after (gsi_p, post_stmt, GSI_NEW_STMT);
 
@@ -8593,21 +8578,6 @@ force_gimple_operand_1 (tree expr, gimple_seq *stmts,
     for (t = gimplify_ctxp->temps; t ; t = DECL_CHAIN (t))
       add_referenced_var (t);
 
-  if (!gimple_seq_empty_p (*stmts)
-      && gimplify_ctxp->into_ssa)
-    {
-      gimple_stmt_iterator i;
-
-      for (i = gsi_start (*stmts); !gsi_end_p (i); gsi_next (&i))
-	{
-	  tree lhs = gimple_get_lhs (gsi_stmt (i));
-	  if (lhs
-	      && TREE_CODE (lhs) != SSA_NAME
-	      && is_gimple_reg (lhs))
-	    mark_sym_for_renaming (lhs);
-	}
-    }
-
   pop_gimplify_context (NULL);
 
   return expr;