-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Goetz Lindenmaier
-**
-** testprogram.
-**
-*/
+/*
+ * Project: libFIRM
+ * File name: testprograms/global_var_example.c
+ * Purpose: Illustrates representation of global variable.
+ * Author: Christian Schaefer, Goetz Lindenmaier
+ * Modified by:
+ * Created:
+ * CVS-ID: $Id$
+ * Copyright: (c) 1999-2003 Universität Karlsruhe
+ * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ */
-#include <stdio.h>
+# include <stdio.h>
+# include <string.h>
+# include "irvrfy.h"
# include "irdump.h"
# include "firm.h"
*/
/**
-*** This program shows how to build ir for global variables.
-*** It constructs the ir for the following pseudo-program:
-***
-*** int i;
-***
-*** main() {
-*** i = 2;
-*** return;
-*** }
+* This program shows how to build ir for global variables.
+* It constructs the ir for the following pseudo-program:
+*
+* int i;
+*
+* main() {
+* i = 2;
+* return;
+* }
**/
int main(int argc, char **argv)
printf("\nCreating an IR graph: GLOBAL_VAR ...\n");
/* init library */
- init_firm ();
+ init_firm (NULL);
/* make basic type information for primitive type int.
In Sather primitive types are represented by a class.
This is the modeling appropriate for other languages.
Mode_i says that all integers shall be implemented as a
32 bit integer value. */
- prim_t_int = new_type_primitive(id_from_str ("int", 3), mode_i);
+ prim_t_int = new_type_primitive(id_from_str ("int", 3), mode_Is);
/* FIRM was designed for oo languages where all methods belong to a class.
* For imperative languages like C we view a file or compilation unit as
* a large class containing all functions as methods in this file.
* This class is automatically generated and can be obtained by get_glob_type().
*/
-#define METHODNAME "main"
+#define METHODNAME "GLOBAL_VAR_main"
#define NRARGS 0
#define NRES 0
i_ptr = new_simpleSel(get_store(), get_irg_globals(irg), i_ent);
store = new_Store (get_store(), i_ptr,
- new_Const(mode_i, tarval_from_long (mode_i, 2)));
+ new_Const(mode_Is, new_tarval_from_long (2, mode_Is)));
set_store(new_Proj(store, mode_M, 0));
- {
- ir_node *in[0]; /* this is the array containing the return parameters */
- x = new_Return (get_store(), 0, in);
- }
+ x = new_Return (get_store(), 0, NULL);
+
/* Now generate all instructions for this block and all its predecessor blocks
* so we can mature it. */
mature_block (get_irg_current_block(irg));