int main(int argc, char **argv)
{
- ir_graph *irg; /* this variable contains the irgraph */
- type_class *owner; /* the class in which this method is defined */
- type_method *proc_main; /* type information for the method main */
- type_method *proc_called; /* type information for called method f */
- entity *ent; /* represents this method as entity of owner */
- ir_node *x, *const_str, *proc_ptr, *call;
+ 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 */
+ type *proc_called; /* type information for called method f */
+ type *string_ptr; /* type for pointers to strings. */
+ entity *ent; /* represents this method as entity of owner */
+ ir_node *x, *const_str, *proc_ptr, *call;
printf("\nCreating an IR graph: CALL_STR_EXAMPLE...\n");
/* init library */
init_firm ();
+ string_ptr = new_type_pointer (
+ id_from_str ("ptr_to_string", 13),
+ new_type_array (id_from_str ("char_arr", 8), 1,
+ new_type_primitive (id_from_str("char", 4), mode_c)));
/* FIRM was designed for oo languages where all methods belong to a class.
* For imperative languages like C we view a program as a large class containing
* all functions of the program as methods in this class. This class is
owner = get_glob_type();
proc_called = new_type_method(id_from_str(F_METHODNAME, strlen(F_METHODNAME)),
F_NRARGS, F_NRES);
+ set_method_param_type(proc_called, 0, string_ptr);
/* Make the entity for main needed for a correct ir_graph. */
#define ENTITYNAME "main"
- ent = new_entity ((type *)owner, id_from_str (ENTITYNAME, strlen(ENTITYNAME)),
- (type *)proc_main);
+ ent = new_entity (owner, id_from_str (ENTITYNAME, strlen(ENTITYNAME)),
+ proc_main);
/* Generates the basic graph for the method represented by entity ent, that
* is, generates start and end blocks and nodes and a first, initial block.
/* Now we can mature the end block as all it's predecessors are known. */
mature_block (get_irg_end_block(irg));
+ finalize_cons (irg);
+
printf("Optimizing ...\n");
dead_node_elimination(irg);