main(void)
{
ir_graph *irg;
- type_class *owner;
- type_method *proc_main;
+ type *owner;
+ type *proc_main;
entity *ent;
ir_node *b, *x, *r, *t, *f;
printf("\nCreating an IR graph: IF_WHILE_EXAMPLE...\n");
init_firm ();
+ turn_of_edge_labels();
+ set_optimize(1);
set_opt_constant_folding(0); /* so that the stupid tests are not optimized. */
+ /* if optimized no path to End remains!! */
set_opt_cse(1);
set_opt_dead_node_elimination (1);
proc_main = new_type_method(id_from_str(METHODNAME, strlen(METHODNAME)),
NRARGS, NRES);
owner = new_type_class (id_from_str ("IF_WHILE_EXAMPLE", 16));
- ent = new_entity ((type *)owner, id_from_str ("main", 4), (type *)proc_main);
+ ent = new_entity (owner, id_from_str ("main", 4), proc_main);
/* Generates start and end blocks and nodes and a first, initial block */
irg = new_ir_graph (ent, 4);
mature_block (get_irg_current_block(irg));
/* Generate a conditional branch */
- 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))),
- mode_b, Eq));
- f = new_Proj (x, mode_X, 0);
- t = new_Proj (x, mode_X, 1);
-
- /* generate and fill the then block */
- r = new_immBlock ();
- add_in_edge (r, t);
- set_value (0, new_Const (mode_I, tarval_from_long (mode_i, 2)));
- mature_block (r);
- x = new_Jmp ();
+ x = new_Jmp();
/* generate the fall through block and add all cfg edges */
r = new_immBlock ();
- add_in_edge (r, f);
add_in_edge (r, x);
mature_block (r);
x = new_Jmp ();
mature_block (get_irg_end_block(irg));
printf("Optimizing ...\n");
+
+ local_optimize_graph(irg),
dead_node_elimination(irg);
/* verify the graph */