-/* (C) 2002 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Goetz Lindenmaier
-**
-** testprogram.
-*/
+/*
+ * Project: libFIRM
+ * File name: testprograms/endless_loop.c
+ * Purpose: Representation of an endless loop.
+ * Author: Goetz Lindenmaier
+ * Modified by:
+ * Created:
+ * CVS-ID: $Id$
+ * Copyright: (c) 1999-2003 Universität Karlsruhe
+ * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ */
+
-/* $ID$ */
# include <stdio.h>
# include <string.h>
# include "firm.h"
/**
-*** This file constructs the ir for the following pseudo-program:
-***
-*** VAR_A is some extern variable.
-***
-*** main(int a) { // pos 0
-*** int b = 1; // pos 1
-*** int h; // pos 2
-***
-*** while (0 == 0) loop {
-*** h = a;
-*** a = b;
-*** b = h;
-*** VAR_A = b;
-*** }
-***
-*** return a-b;
-*** }
+* This file constructs the ir for the following pseudo-program:
+*
+* VAR_A is some extern variable.
+*
+* main(int a) { // pos 0
+* int b = 1; // pos 1
+* int h; // pos 2
+*
+* while (0 == 0) loop {
+* h = a;
+* a = b;
+* b = h;
+* VAR_A = b;
+* }
+*
+* return a-b;
+* }
**/
int
printf("\nCreating an IR graph: ENDLESS_LOOP_EXAMPLE...\n");
- init_firm ();
+ init_firm (NULL);
set_optimize(1);
set_opt_constant_folding(1);
set_opt_global_cse(0);
set_opt_dead_node_elimination (1);
- prim_t_int = new_type_primitive(id_from_str ("int", 3), mode_Is);
+ prim_t_int = new_type_primitive(new_id_from_chars ("int", 3), mode_Is);
#define METHODNAME "main_tp"
#define NRARGS 1
#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_param_type(proc_main, 0, prim_t_int);
set_method_res_type(proc_main, 0, prim_t_int);
- owner = new_type_class (id_from_str ("ENDLESS_LOOP_EXAMPLE", 20));
- ent = new_entity (owner, id_from_str ("main", strlen("main")), proc_main);
+ owner = new_type_class (new_id_from_chars ("ENDLESS_LOOP_EXAMPLE", 20));
+ ent = new_entity (owner, new_id_from_chars ("main", strlen("main")), proc_main);
+ get_entity_ld_name(ent); /* force name mangling */
/* Generates start and end blocks and nodes and a first, initial block */
irg = new_ir_graph (ent, 4);
/* Generate two values */
set_value (0, new_Proj(get_irg_args(irg), mode_Is, 0));
- set_value (1, new_Const (mode_Is, tarval_from_long (mode_Is, 1)));
+ set_value (1, new_Const (mode_Is, new_tarval_from_long (1, mode_Is)));
x = new_Jmp();
- mature_block (get_irg_current_block(irg));
+ mature_immBlock (get_irg_current_block(irg));
/* 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_Is, tarval_from_long (mode_Is, 0)),
- new_Const (mode_Is, tarval_from_long (mode_Is, 0))),
- mode_b, Eq));
+ add_immBlock_pred (r, x);
+ x = new_Cond (new_Proj(new_Cmp(new_Const (mode_Is, new_tarval_from_long (0, mode_Is)),
+ new_Const (mode_Is, new_tarval_from_long (0, mode_Is))),
+ 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);
+ add_immBlock_pred (r, x);
/* The code in the loop body,
as we are dealing with local variables only the dataflow edges
/* set VAR_A to constant value */
set_store (new_Proj (new_Store (get_store (),
- new_Const (mode_P, tarval_P_from_str ("VAR_A")),
- get_value(1, mode_Is)),
+ new_simpleSel(
+ get_store(),
+ get_irg_globals(irg),
+ new_entity(get_glob_type(),new_id_from_chars("VAR_A",6),prim_t_int)),
+ get_value(1, mode_Is)),
mode_M, 0));
- mature_block (b);
- mature_block (r);
+ mature_immBlock (b);
+ mature_immBlock (r);
/* 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");
/* output the vcg file */
printf("Done building the graph. Dumping it.\n");
- //turn_of_edge_labels();
- dump_keepalive_edges();
- dump_all_types();
- dump_ir_block_graph (irg);
+ /* turn_of_edge_labels(); */
+ dump_keepalive_edges(1);
+ char *dump_file_suffix = "";
+ dump_all_types(dump_file_suffix);
+ dump_ir_block_graph (irg, dump_file_suffix);
printf("Use xvcg to view this graph:\n");
printf("/ben/goetz/bin/xvcg GRAPHNAME\n\n");
projects / libfirm / blobdiff