-/* (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Christian Schaefer, Goetz Lindenmaier
-**
-** testprogram.
-*/
+/*
+ * Project: libFIRM
+ * File name: testprograms/if_while_example.c
+ * Purpose: Shows more complex control flow.
+ * 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 <string.h>
# include "irvrfy.h"
# include "irdump.h"
# include "firm.h"
+# include "irouts.h"
/**
-*** This file constructs the ir for the following pseudo-program:
-***
-*** main() {
-*** int a = 0; // pos 0
-*** int b = 1; // pos 1
-*** int h; // pos 2
-***
-*** if (0 == 0)
-*** { a = 2; }
-***
-*** while (0 == 0) loop {
-*** h = a;
-*** a = b;
-*** b = h;
-*** }
-***
-*** return a-b;
-*** }
+* This file constructs the ir for the following pseudo-program:
+*
+* main() {
+* int a = 0; // pos 0
+* int b = 1; // pos 1
+* int h; // pos 2
+*
+* if (0 == 0)
+* { a = 2; }
+*
+* while (0 == 0) loop {
+* h = a;
+* a = b;
+* b = h;
+* }
+*
+* return a-b;
+* }
**/
int
printf("\nCreating an IR graph: IF_WHILE_EXAMPLE...\n");
- init_firm ();
+ init_firm (NULL);
turn_off_edge_labels();
set_optimize(1);
set_opt_dead_node_elimination (1);
/*** Make basic type information for primitive type int. ***/
- 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_Iu);
#define METHODNAME "main"
#define NRARGS 0
set_method_res_type(proc_main, 0, prim_t_int);
owner = new_type_class (id_from_str ("IF_WHILE_EXAMPLE", 16));
ent = new_entity (owner, id_from_str ("main", 4), proc_main);
+ get_entity_ld_name(ent);
/* Generates start and end blocks and nodes and a first, initial block */
irg = new_ir_graph (ent, 4);
/* Generate two constants */
- set_value (0, new_Const (mode_I, tarval_from_long (mode_I, 0)));
- set_value (1, new_Const (mode_I, tarval_from_long (mode_I, 1)));
+ set_value (0, new_Const (mode_Iu, new_tarval_from_long (0, mode_Iu)));
+ set_value (1, new_Const (mode_Iu, new_tarval_from_long (1, mode_Iu)));
mature_block (get_irg_current_block(irg));
/* Generate a conditional branch */
/* generate a block for the loop header and the conditional branch */
r = new_immBlock ();
add_in_edge (r, x);
- x = new_Cond (new_Proj(new_Cmp(new_Const (mode_I, tarval_from_long (mode_i, 0)),
- new_Const (mode_I, tarval_from_long (mode_i, 0))),
+ x = new_Cond (new_Proj(new_Cmp(new_Const (mode_Iu, new_tarval_from_long (0, mode_Is)),
+ new_Const (mode_Iu, new_tarval_from_long (0, mode_Is))),
mode_b, Eq));
f = new_Proj (x, mode_X, 0);
t = new_Proj (x, mode_X, 1);
/* the code in the loop body,
as we are dealing with local variables only the dataflow edges
are manipulated */
- set_value (2, get_value (0, mode_I));
- set_value (0, get_value (1, mode_I));
- set_value (1, get_value (2, mode_I));
+ set_value (2, get_value (0, mode_Iu));
+ set_value (0, get_value (1, mode_Iu));
+ set_value (1, get_value (2, mode_Iu));
mature_block (b);
/* generate the return block */
{
ir_node *in[1];
- in[0] = new_Sub (get_value (0, mode_I), get_value (1, mode_I), mode_I);
+ in[0] = new_Sub (get_value (0, mode_Iu), get_value (1, mode_Iu), mode_Iu);
x = new_Return (get_store (), 1, in);
}