{
ir_graph *irg; /* this variable contains the irgraph */
type_class *owner; /* the class in which this method is defined */
- type_method *proc_main; /* typeinformation for the method main */
+ type_method *proc_main; /* type information for the method main */
entity *ent; /* represents this method as entity of owner */
ir_node *x;
- printf("creating an IR graph: EMPTY...\n");
+ printf("\nCreating an IR graph: EMPTY...\n");
/* init library */
init_firm ();
+ /* Don't optimize anything */
+ set_optimize(1);
+
/* 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.
+ * This class now is automatically generated.
*/
-#define CLASSNAME "EMPTY"
#define METHODNAME "main"
#define NRARGS 0
#define NRES 0
- owner = new_type_class (id_from_str (CLASSNAME, strlen(CLASSNAME)));
+ owner = get_glob_type();
proc_main = new_type_method(id_from_str(METHODNAME, strlen(METHODNAME)),
NRARGS, NRES);
ent = new_entity ((type *)owner,
}
/* Now generate all instructions for this block and all its predecessor blocks
* so we can mature it. */
- mature_block (irg->current_block);
+ mature_block (get_irg_current_block(irg));
/* This adds the in edge of the end block which originates at the return statement.
* The return node passes controlflow to the end block. */
- add_in_edge (irg->end_block, x);
+ add_in_edge (get_irg_end_block(irg), x);
/* Now we can mature the end block as all it's predecessors are known. */
- mature_block (irg->end_block);
+ mature_block (get_irg_end_block(irg));
+
+ /* verify the graph */
+ irg_vrfy(irg);
+
+ printf("Optimizing ...\n");
+ dead_node_elimination(irg);
- printf("\nDone building the graph. Dumping it.\n");
+ printf("Done building the graph. Dumping it.\n");
dump_ir_block_graph (irg);
+ dump_all_types();
+
printf("use xvcg to view this graph:\n");
- printf("/ben/trapp/bin/i486/xvcg GRAPHNAME\n");
+ printf("/ben/goetz/bin/xvcg GRAPHNAME\n\n");
return (0);
-
-
}