int main(int argc, char **argv)
{
+ type *prim_t_int;
ir_graph *irg; /* this variable contains the irgraph */
type *owner; /* the class in which this method is defined */
type *proc_main; /* type information for the method main */
set_optimize(1);
+ /*** Make basic type information for primitive type int. ***/
+ prim_t_int = new_type_primitive(id_from_str ("int", 3), mode_i);
+
/* 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.
owner = get_glob_type();
proc_main = new_type_method(id_from_str(METHODNAME, strlen(METHODNAME)),
NRARGS, NRES);
- /** @@@ setting of arg/res types misses **/
+ set_method_param_type(proc_main, 0, prim_t_int);
+ set_method_res_type(proc_main, 0, prim_t_int);
+
ent = new_entity (owner,
id_from_str (METHODNAME, strlen(METHODNAME)),
proc_main);
prim_t_int = new_type_primitive(id_from_str ("int", 3), mode_i);
-#define METHODNAME "main"
+#define METHODNAME "main_tp"
#define NRARGS 1
-#define NRES 0
+#define NRES 1
proc_main = new_type_method(id_from_str(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 ("WHILE_EXAMPLE", 16));
- ent = new_entity (owner, id_from_str ("main", 4), proc_main);
+
+ owner = new_type_class (id_from_str ("WHILE_EXAMPLE", 13));
+ ent = new_entity (owner, id_from_str ("main", strlen("main")), proc_main);
/* Generates start and end blocks and nodes and a first, initial block */
irg = new_ir_graph (ent, 4);
- /* Generate two constants */
+ /* Generate two values */
set_value (0, new_Proj(get_irg_args(irg), mode_i, 0));
set_value (1, new_Const (mode_i, tarval_from_long (mode_i, 1)));
x = new_Jmp();
mature_block (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_i, tarval_from_long (mode_i, 0)),
- new_Const (mode_i, tarval_from_long (mode_i, 0))),
+ get_value(1, mode_i)),
mode_b, Eq));
f = new_Proj (x, mode_X, 0);
t = new_Proj (x, mode_X, 1);
/* output the vcg file */
printf("Done building the graph. Dumping it.\n");
+ turn_of_edge_labels();
+ dump_all_types();
dump_ir_block_graph (irg);
printf("Use xvcg to view this graph:\n");
printf("/ben/goetz/bin/xvcg GRAPHNAME\n\n");