tree-ssa-operands.h (create_ssa_artificial_load_stmt): Rename from create_ssa_artficial_load_stmt.

	* tree-ssa-operands.h (create_ssa_artificial_load_stmt):
	Rename from create_ssa_artficial_load_stmt.  Update all users.
	* tree-into-ssa.c (register_new_def): Make static.
	* tree.c (is_global_var): Handle SSA_NAMEs.
	* tree.h (SSA_NAME_IS_DEFAULT_DEF): Define.  Update all users
	that used to call gimple_default_def.
	* tree-ssa-operands.c (push_stmt_changes): New.
	(pop_stmt_changes): New.  Update every pass that modifies
	statements to bracket modifications with
	push_stmt_changes/pop_stmt_changes.
	(discard_stmt_changes): New.
	* tree-ssa-dom.c (stmts_to_rescan): Change to stack of
	'tree *' instead of 'tree'.  Update all users.
	* tree-flow-inline.h (zero_imm_uses_p): New.
	(symbol_mem_tag): New.  Update every function that used
	to access the annotation directly.
	(set_symbol_mem_tag): Likewise.
	* tree-dfa.c (dump_variable): Always show the escape mask.
	(mark_symbols_for_renaming): Rename from
	mark_new_vars_to_rename.  Update all users.
	Only mark to rename naked symbols in real and virtual
	operands.

From-SVN: r119746

1 files changed, 19 insertions, 9 deletions

diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c
index 1dced72..843e056 100644
--- a/gcc/tree-ssa-ccp.c
+++ b/gcc/tree-ssa-ccp.c
@@ -1436,9 +1436,13 @@ struct tree_opt_pass pass_ccp =
   0,					/* properties_provided */
   0,					/* properties_destroyed */
   0,					/* todo_flags_start */
-  TODO_cleanup_cfg | TODO_dump_func | TODO_update_ssa
-    | TODO_ggc_collect | TODO_verify_ssa
-    | TODO_verify_stmts | TODO_update_smt_usage, /* todo_flags_finish */
+  TODO_cleanup_cfg
+    | TODO_dump_func
+    | TODO_update_ssa
+    | TODO_ggc_collect
+    | TODO_verify_ssa
+    | TODO_verify_stmts
+    | TODO_update_smt_usage,		/* todo_flags_finish */
   0					/* letter */
 };
 
@@ -1474,10 +1478,13 @@ struct tree_opt_pass pass_store_ccp =
   0,					/* properties_provided */
   0,					/* properties_destroyed */
   0,					/* todo_flags_start */
-  TODO_dump_func | TODO_update_ssa
-    | TODO_ggc_collect | TODO_verify_ssa
+  TODO_dump_func
+    | TODO_update_ssa
+    | TODO_ggc_collect
+    | TODO_verify_ssa
     | TODO_cleanup_cfg
-    | TODO_verify_stmts | TODO_update_smt_usage, /* todo_flags_finish */
+    | TODO_verify_stmts
+    | TODO_update_smt_usage,		/* todo_flags_finish */
   0					/* letter */
 };
 
@@ -2512,7 +2519,7 @@ convert_to_gimple_builtin (block_stmt_iterator *si_p, tree expr, bool ignore)
       tree new_stmt = tsi_stmt (ti);
       find_new_referenced_vars (tsi_stmt_ptr (ti));
       bsi_insert_before (si_p, new_stmt, BSI_NEW_STMT);
-      mark_new_vars_to_rename (bsi_stmt (*si_p));
+      mark_symbols_for_renaming (new_stmt);
       bsi_next (si_p);
     }
 
@@ -2574,6 +2581,8 @@ execute_fold_all_builtins (void)
 	      print_generic_stmt (dump_file, *stmtp, dump_flags);
 	    }
 
+	  push_stmt_changes (stmtp);
+
 	  if (!set_rhs (stmtp, result))
 	    {
 	      result = convert_to_gimple_builtin (&i, result,
@@ -2582,11 +2591,12 @@ execute_fold_all_builtins (void)
 	      if (result)
 		{
 		  bool ok = set_rhs (stmtp, result);
-		  
 		  gcc_assert (ok);
 		}
 	    }
-	  mark_new_vars_to_rename (*stmtp);
+
+	  pop_stmt_changes (stmtp);
+
 	  if (maybe_clean_or_replace_eh_stmt (old_stmt, *stmtp)
 	      && tree_purge_dead_eh_edges (bb))
 	    cfg_changed = true;