-/* (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
+* int a = 0; // pos 0
+* int b = 1; // pos 1
+* int h; // pos 2
*
* if (0 == 0)
* { a = 2; }
main(void)
{
ir_graph *irg;
- type *owner;
- type *proc_main;
- type *prim_t_int;
+ ir_type *owner;
+ ir_type *proc_main;
+ ir_type *prim_t_int;
entity *ent;
ir_node *b, *x, *r, *t, *f;
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_Iu);
+ prim_t_int = new_type_primitive(new_id_from_chars ("int", 3), mode_Iu);
#define METHODNAME "main"
#define NRARGS 0
#define NRES 1
- proc_main = new_type_method(id_from_str(METHODNAME, strlen(METHODNAME)),
+ proc_main = new_type_method(new_id_from_chars(METHODNAME, strlen(METHODNAME)),
NRARGS, NRES);
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);
+ owner = new_type_class (new_id_from_chars ("IF_WHILE_EXAMPLE", 16));
+ ent = new_entity (owner, new_id_from_chars ("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_Iu, tarval_from_long (mode_Iu, 0)));
- set_value (1, new_Const (mode_Iu, tarval_from_long (mode_Iu, 1)));
- mature_block (get_irg_current_block(irg));
+ 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_immBlock (get_irg_current_block(irg));
/* Generate a conditional branch */
x = new_Jmp();
/* generate the fall through block and add all cfg edges */
r = new_immBlock ();
- add_in_edge (r, x);
- mature_block (r);
+ add_immBlock_pred (r, x);
+ mature_immBlock (r);
x = new_Jmp ();
/* 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_Iu, tarval_from_long (mode_Is, 0)),
- new_Const (mode_Iu, tarval_from_long (mode_Is, 0))),
- mode_b, Eq));
+ add_immBlock_pred (r, x);
+ x = new_Cond (new_Proj(new_Cmp(new_Const (mode_Iu, new_tarval_from_long (0, mode_Iu)),
+ new_Const (mode_Iu, new_tarval_from_long (0, mode_Iu))),
+ mode_b, pn_Cmp_Eq));
f = new_Proj (x, mode_X, 0);
t = new_Proj (x, mode_X, 1);
/* generate the block for the loop body */
b = new_immBlock ();
- add_in_edge (b,t);
+ add_immBlock_pred (b,t);
x = new_Jmp ();
- add_in_edge (r, x);
- mature_block (r);
+ add_immBlock_pred (r, x);
+ mature_immBlock (r);
/* the code in the loop body,
as we are dealing with local variables only the dataflow edges
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);
+ mature_immBlock (b);
/* generate the return block */
r = new_immBlock ();
- add_in_edge (r, f);
- mature_block (r);
+ add_immBlock_pred (r, f);
+ mature_immBlock (r);
{
ir_node *in[1];
}
/* finalize the end block generated in new_ir_graph() */
- add_in_edge (get_irg_end_block(irg), x);
- mature_block (get_irg_end_block(irg));
+ add_immBlock_pred (get_irg_end_block(irg), x);
+ mature_immBlock (get_irg_end_block(irg));
- finalize_cons (irg);
+ irg_finalize_cons (irg);
printf("Optimizing ...\n");
local_optimize_graph(irg);
dead_node_elimination(irg);
- compute_outs(irg);
+ compute_irg_outs(irg);
/* verify the graph */
irg_vrfy(irg);
/* output the vcg file */
printf("Done building the graph. Dumping it with out-edges.\n");
- dump_out_edges();
- dump_ir_graph (irg);
+ dump_out_edges(1);
+ dump_ir_graph (irg, 0);
printf("Use xvcg to view this graph:\n");
printf("/ben/goetz/bin/xvcg GRAPHNAME\n\n");