-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-* All rights reserved.
-*
-* Authors: Christian Schaefer, Goetz Lindenmaier
-*
-* testprogram.
-*/
-
-# include <stdio.h>
-# include <string.h>
-
-# include "irvrfy.h"
-# include "irdump.h"
-# include "firm.h"
-
/*
- * irregular control flow
+ * Project: libFIRM
+ * File name: testprograms/irr_cf_example.c
+ * Purpose: Test Phi construction with irregular 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 <libfirm/firm.h>
+
/**
* This file constructs a control flow of following shape:
*
* return
**/
-int main(int argc, char **argv)
+int main(void)
{
+ char *dump_file_suffix = "";
ir_graph *irg; /* this variable contains the irgraph */
- type *owner; /* the class in which this method is defined */
- type *proc_main; /* typeinformation for the method main */
- entity *ent; /* represents this method as entity of owner */
+ ir_type *owner; /* the class in which this method is defined */
+ ir_type *proc_main; /* typeinformation for the method main */
+ ir_entity *ent; /* represents this method as ir_entity of owner */
ir_node *expr, *c1, *c2, *cond, *f, *t, *jmp, *x;
printf("\nCreating an IR graph: IRR_CF...\n");
/* init library */
- init_firm ();
+ init_firm(NULL);
set_opt_constant_folding(0); /* so that stupid test are not evaluated. */
/* FIRM was designed for oo languages where all methods belong to a class.
* For imperative languages like C we view a file as a large class containing
* all functions as methods in this file.
* Therefore we define a class "empty" according to the file name
- * with a method main as an entity.
+ * with a method main as an ir_entity.
*/
#define CLASSNAME "IRREGULAR_CF"
#define METHODNAME "main"
#define NRARGS 0
#define NRES 0
- owner = new_type_class (id_from_str (CLASSNAME, strlen(CLASSNAME)));
- proc_main = new_type_method(id_from_str(METHODNAME, strlen(METHODNAME)),
+ owner = new_type_class(new_id_from_chars(CLASSNAME, strlen(CLASSNAME)));
+ proc_main = new_type_method(new_id_from_chars(METHODNAME, strlen(METHODNAME)),
NRARGS, NRES);
- ent = new_entity ((type *)owner,
- id_from_str (METHODNAME, strlen(METHODNAME)),
- (type *)proc_main);
+ ent = new_entity(owner,
+ new_id_from_chars(METHODNAME, strlen(METHODNAME)),
+ proc_main);
get_entity_ld_name(ent);
#define NUM_OF_LOCAL_VARS 0
- irg = new_ir_graph (ent, NUM_OF_LOCAL_VARS);
+ irg = new_ir_graph(ent, NUM_OF_LOCAL_VARS);
/* two make two conditionals that represent a switch */
- expr = new_Const (mode_Is, tarval_from_long (mode_Is, 0));
- c1 = new_Const (mode_Is, tarval_from_long (mode_Is, 1));
- c2 = new_Const (mode_Is, tarval_from_long (mode_Is, 2));
+ expr = new_Const(mode_Is, new_tarval_from_long(0, mode_Is));
+ c1 = new_Const(mode_Is, new_tarval_from_long(1, mode_Is));
+ c2 = new_Const(mode_Is, new_tarval_from_long(2, mode_Is));
- cond = new_Cond(new_Proj(new_Cmp(expr, c1), mode_b, Eq));
- f = new_Proj(cond, mode_X, 0);
- t = new_Proj(cond, mode_X, 1);
- mature_block(get_irg_current_block(irg));
+ cond = new_Cond(new_Proj(new_Cmp(expr, c1), mode_b, pn_Cmp_Eq));
+ f = new_Proj(cond, mode_X, pn_Cond_false);
+ t = new_Proj(cond, mode_X, pn_Cond_true);
+ mature_immBlock(get_irg_current_block(irg));
new_immBlock();
- add_in_edge(get_irg_current_block(irg), t);
+ add_immBlock_pred(get_irg_current_block(irg), t);
jmp = new_Jmp();
- mature_block(get_irg_current_block(irg));
+ mature_immBlock(get_irg_current_block(irg));
new_immBlock();
- add_in_edge(get_irg_current_block(irg), f);
- cond = new_Cond(new_Proj(new_Cmp(expr, c2), mode_b, Eq));
- f = new_Proj(cond, mode_X, 0);
- t = new_Proj(cond, mode_X, 1);
- mature_block(get_irg_current_block(irg));
+ add_immBlock_pred(get_irg_current_block(irg), f);
+ cond = new_Cond(new_Proj(new_Cmp(expr, c2), mode_b, pn_Cmp_Eq));
+ f = new_Proj(cond, mode_X, pn_Cond_false);
+ t = new_Proj(cond, mode_X, pn_Cond_true);
+ mature_immBlock(get_irg_current_block(irg));
new_immBlock();
- add_in_edge(get_irg_current_block(irg), t);
- add_in_edge(get_irg_current_block(irg), jmp);
+ add_immBlock_pred(get_irg_current_block(irg), t);
+ add_immBlock_pred(get_irg_current_block(irg), jmp);
jmp = new_Jmp();
- mature_block(get_irg_current_block(irg));
+ mature_immBlock(get_irg_current_block(irg));
new_immBlock();
- add_in_edge(get_irg_current_block(irg), f);
+ add_immBlock_pred(get_irg_current_block(irg), f);
t = new_Jmp();
- mature_block(get_irg_current_block(irg));
+ mature_immBlock(get_irg_current_block(irg));
new_immBlock();
- add_in_edge(get_irg_current_block(irg), t);
- add_in_edge(get_irg_current_block(irg), jmp);
- {
- ir_node *in[0]; /* this is the array containing the return parameters */
- x = new_Return (get_store(), 0, in);
- }
- mature_block (get_irg_current_block(irg));
+ add_immBlock_pred(get_irg_current_block(irg), t);
+ add_immBlock_pred(get_irg_current_block(irg), jmp);
+
+ x = new_Return(get_store(), 0, NULL);
+
+ mature_immBlock(get_irg_current_block(irg));
- 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");
dead_node_elimination(irg);
irg_vrfy(irg);
printf("Dumping the graph and a control flow graph.\n");
- dump_ir_block_graph (irg);
- dump_cfg (irg);
- printf("Use xvcg to view these graphs:\n");
- printf("/ben/goetz/bin/xvcg GRAPHNAME\n\n");
+ dump_ir_block_graph(irg, dump_file_suffix);
+ dump_cfg(irg, dump_file_suffix);
+ printf("Use ycomp to view these graphs:\n");
+ printf("ycomp IRREGULAR_CF_main.vcg\n\n");
+ printf("ycomp IRREGULAR_CF_main-cfg.vcg\n\n");
- return (0);
+ return 0;
}
projects / libfirm / blobdiff