[PATCH] Remove redundant code

[MURAKAMI Kiyoshi]

Hello,

The following patch removes some redundant code.
Booted and tested on i386-unknown-freebsd4.9.

MURAKAMI Kiyoshi


2007-11-06  MURAKAMI Kiyoshi  <murakami@za.bb-east.ne.jp>

	* c-decl.c (store_parm_decls_from): Remove unused function.
	* c-tree.h: Remove prototype for store_parm_decls_from.
	* cfg.c (init_flow): Remove redundant code.
	* cgraphunit.c (cgraph_expand_all_functions): Remove always
	true conditional.

Index: c-decl.c
===================================================================
--- c-decl.c	(revision 129717)
+++ c-decl.c	(working copy)
@@ -6579,16 +6579,6 @@ store_parm_decls_oldstyle (tree fndecl, 
     }
 }
 
-/* Store parameter declarations passed in ARG_INFO into the current
-   function declaration.  */
-
-void
-store_parm_decls_from (struct c_arg_info *arg_info)
-{
-  current_function_arg_info = arg_info;
-  store_parm_decls ();
-}
-
 /* Store the parameter declarations into the current function declaration.
    This is called after parsing the parameter declarations, before
    digesting the body of the function.

Index: c-tree.h
===================================================================
--- c-tree.h	(revision 129717)
+++ c-tree.h	(working copy)
@@ -498,7 +498,6 @@ extern tree start_decl (struct c_declara
 			tree);
 extern tree start_struct (enum tree_code, tree);
 extern void store_parm_decls (void);
-extern void store_parm_decls_from (struct c_arg_info *);
 extern tree xref_tag (enum tree_code, tree);
 extern struct c_typespec parser_xref_tag (enum tree_code, tree);
 extern int c_expand_decl (tree);

Index: cfg.c
===================================================================
--- cfg.c	(revision 129717)
+++ cfg.c	(working copy)
@@ -89,8 +89,6 @@ init_flow (void)
   ENTRY_BLOCK_PTR->index = ENTRY_BLOCK;
   EXIT_BLOCK_PTR = GGC_CNEW (struct basic_block_def);
   EXIT_BLOCK_PTR->index = EXIT_BLOCK;
-  ENTRY_BLOCK_PTR->next_bb = EXIT_BLOCK_PTR;
-  EXIT_BLOCK_PTR->prev_bb = ENTRY_BLOCK_PTR;
 }
 
 /* Helper function for remove_edge and clear_edges.  Frees edge structure

Index: cgraphunit.c
===================================================================
--- cgraphunit.c	(revision 129717)
+++ cgraphunit.c	(working copy)
@@ -1116,12 +1116,9 @@ cgraph_expand_all_functions (void)
   for (i = new_order_pos - 1; i >= 0; i--)
     {
       node = order[i];
-      if (node->output)
-	{
-	  gcc_assert (node->reachable);
-	  node->output = 0;
-	  cgraph_expand_function (node);
-	}
+      gcc_assert (node->reachable);
+      node->output = 0;
+      cgraph_expand_function (node);
     }
   cgraph_process_new_functions ();