1 /* Copyright (C)2002 by Universitaet Karlsruhe
4 * Authors: Goetz Lindenmaier
20 * @@@ this is no more correct ...
25 * return (d + self.a);
47 type *owner, *class_prima;
48 type *proc_main, *proc_set_a, *proc_c;
50 entity *proc_main_e, *proc_set_a_e, *proc_c_e, *a_e;
52 ir_graph *main_irg, *set_a_irg, *c_irg;
53 ir_node *c2, *c5, *obj_o, *obj_size, *proc_ptr, *res, *x, *set_a_call, *c_call;
54 ir_node *self, *par1, *a_ptr;
55 ir_node *a_val, *r, *t, *b, *f;
57 int o_pos, self_pos, e_pos;
65 set_opt_constant_folding(1);
67 set_opt_dead_node_elimination(1);
69 /*** Make basic type information for primitive type int. ***/
70 prim_t_int = new_type_primitive(id_from_str ("int", 3), mode_Is);
72 /*** Make type information for the class (PRIMA). ***/
73 /* The type of the class */
74 class_prima = new_type_class(id_from_str ("PRIMA_INLINE", 5));
75 /* We need type information for pointers to the class: */
76 class_p_ptr = new_type_pointer (id_from_str ("class_prima_ptr", 15),
78 /* An entity for the field (a). The entity constructor automatically adds
79 the entity as member of the owner. */
80 a_e = new_entity(class_prima, id_from_str ("a", 1), prim_t_int);
81 /* An entity for the method set_a. But first we need type information
83 proc_set_a = new_type_method(id_from_str("set_a", 5), 2, 0);
84 set_method_param_type(proc_set_a, 0, class_p_ptr);
85 set_method_param_type(proc_set_a, 1, prim_t_int);
86 proc_set_a_e = new_entity(class_prima, id_from_str ("set_a", 5), proc_set_a);
87 /* An entity for the method c. Implicit argument "self" must be modeled
89 proc_c = new_type_method(id_from_str("c", 1 ), 2, 1);
90 set_method_param_type(proc_c, 0, class_p_ptr);
91 set_method_param_type(proc_c, 1, prim_t_int);
92 set_method_res_type(proc_c, 0, prim_t_int);
93 proc_c_e = new_entity(class_prima, id_from_str ("c", 1), proc_c);
95 /*** Now build procedure main. ***/
96 /** Type information for main. **/
97 printf("\nCreating an IR graph: OO_INLINE_EXAMPLE...\n");
98 /* Main is not modeled as part of an explicit class here. Therefore the
99 owner is the global type. */
100 owner = get_glob_type();
101 /* Main has zero parameters and one result. */
102 proc_main = new_type_method(id_from_str("OO_INLINE_EXAMPLE_main", 22), 0, 1);
103 /* The result type is int. */
104 set_method_res_type(proc_main, 0, prim_t_int);
106 /* The entity for main. */
107 proc_main_e = new_entity (owner, id_from_str ("OO_INLINE_EXAMPLE_main", 22), proc_main);
109 /** Build code for procedure main. **/
110 /* We need one local variable (for "o"). */
111 main_irg = new_ir_graph (proc_main_e, 1);
114 /* Remark that this irg is the main routine of the program. */
115 set_irp_main_irg(main_irg);
117 /* Make the constants. They are independent of a block. */
118 c2 = new_Const (mode_Is, new_tarval_from_long (2, mode_Is));
119 c5 = new_Const (mode_Is, new_tarval_from_long (5, mode_Is));
121 /* There is only one block in main, it contains the allocation and the calls. */
122 /* Allocate the defined object and generate the type information. */
123 obj_size = new_SymConst((type_or_id_p)class_prima, size);
124 obj_o = new_Alloc(get_store(), obj_size, class_prima, heap_alloc);
125 set_store(new_Proj(obj_o, mode_M, 0)); /* make the changed memory visible */
126 obj_o = new_Proj(obj_o, mode_P, 2); /* remember the pointer to the object */
127 set_value(o_pos, obj_o);
129 /* Get the pointer to the procedure from the object. */
130 proc_ptr = new_simpleSel(get_store(), /* The memory containing the object. */
131 get_value(o_pos, mode_P),/* The pointer to the object. */
132 proc_set_a_e ); /* The feature to select. */
134 /* Call procedure set_a, first built array with parameters. */
137 in[0] = get_value(o_pos, mode_P);
139 set_a_call = new_Call(get_store(), proc_ptr, 2, in, proc_set_a);
142 /* Make the change to memory visible. There are no results. */
143 set_store(new_Proj(set_a_call, mode_M, 0));
145 /* Get the pointer to the nest procedure from the object. */
146 proc_ptr = new_simpleSel(get_store(), get_value(o_pos, mode_P), proc_c_e);
148 /* call procedure c, first built array with parameters */
151 in[0] = get_value(o_pos, mode_P);
153 c_call = new_Call(get_store(), proc_ptr, 2, in, proc_c);
155 /* make the change to memory visible */
156 set_store(new_Proj(c_call, mode_M, 0));
157 /* Get the result of the procedure: select the result tuple from the call,
158 then the proper result from the tuple. */
159 res = new_Proj(new_Proj(c_call, mode_T, 2), mode_Is, 0);
161 /* return the results of procedure main */
165 x = new_Return (get_store(), 1, in);
167 mature_block (get_irg_current_block(main_irg));
169 /* complete the end_block */
170 add_in_edge (get_irg_end_block(main_irg), x);
171 mature_block (get_irg_end_block(main_irg));
174 finalize_cons (main_irg);
176 /****************************************************************************/
178 printf("Creating IR graph for set_a: \n");
180 /* Local variables: self, e */
181 set_a_irg = new_ir_graph (proc_set_a_e, 2);
182 self_pos = 0; e_pos = 1;
184 /* get the procedure parameter */
185 self = new_Proj(get_irg_args(set_a_irg), mode_P, 0);
186 set_value(self_pos, self);
187 par1 = new_Proj(get_irg_args(set_a_irg), mode_Is, 1);
188 set_value(e_pos, par1);
189 /* Create and select the entity to set */
190 a_ptr = new_simpleSel(get_store(), self, a_e);
191 /* perform the assignment */
192 set_store(new_Proj(new_Store(get_store(), a_ptr, par1), mode_M, 0));
195 x = new_Return (get_store (), 0, NULL);
196 mature_block (get_irg_current_block(set_a_irg));
198 /* complete the end_block */
199 add_in_edge (get_irg_end_block(set_a_irg), x);
200 mature_block (get_irg_end_block(set_a_irg));
202 /* verify the graph */
204 finalize_cons (set_a_irg);
206 /****************************************************************************/
208 printf("Creating IR graph for c: \n");
210 /* Local variables self, d */
211 c_irg = new_ir_graph (proc_c_e, 5);
213 /* get the procedure parameter */
214 self = new_Proj(get_irg_args(c_irg), mode_P, 0);
216 par1 = new_Proj(get_irg_args(c_irg), mode_Is, 1);
218 set_value(2, new_Const (mode_Is, new_tarval_from_long (0, mode_Is)));
221 mature_block (get_irg_current_block(c_irg));
223 /* generate a block for the loop header and the conditional branch */
226 x = new_Cond (new_Proj(new_Cmp(new_Const (mode_Is, new_tarval_from_long (0, mode_Is)),
227 new_Const (mode_Is, new_tarval_from_long (0, mode_Is))),
230 /* x = new_Cond (new_Proj(new_Cmp(new_Const (mode_Is, new_tarval_from_long (0, mode_Is)),
231 get_value(1, mode_Is)),
233 f = new_Proj (x, mode_X, 0);
234 t = new_Proj (x, mode_X, 1);
236 /* generate the block for the loop body */
240 /* The code in the loop body,
241 as we are dealing with local variables only the dataflow edges
243 set_value (3, get_value (1, mode_Is));
244 set_value (1, get_value (2, mode_Is));
245 set_value (2, get_value (3, mode_Is));
246 a_ptr = new_simpleSel(get_store(), self, a_e);
247 set_store(new_Store(get_store(), a_ptr, get_value(2, mode_Is)));
253 /* generate the return block */
256 /* Select the entity and load the value */
257 a_ptr = new_simpleSel(get_store(), self, a_e);
258 a_val = new_Load(get_store(), a_ptr);
259 set_store(new_Proj(a_val, mode_M, 0));
260 a_val = new_Proj(a_val, mode_Is, 2);
262 /* return the result */
265 in[0] = new_Add(par1, a_val, mode_Is);
267 x = new_Return (get_store (), 1, in);
271 /* complete the end_block */
272 add_in_edge (get_irg_end_block(c_irg), x);
273 mature_block (get_irg_end_block(c_irg));
275 /* verify the graph */
277 finalize_cons (c_irg);
279 /****************************************************************************/
281 collect_phiprojs(main_irg);
282 current_ir_graph = main_irg;
283 printf("Inlining set_a ...\n");
284 inline_method(set_a_call, set_a_irg);
285 printf("INLINEing c ...\n");
286 inline_method(c_call, c_irg);
288 printf("Optimizing ...\n");
290 for (i = 0; i < get_irp_n_irgs(); i++) {
291 local_optimize_graph(get_irp_irg(i));
292 dead_node_elimination(get_irp_irg(i));
295 printf("Dumping graphs of all procedures and a type graph.\n");
296 turn_off_edge_labels();
297 dump_all_ir_graphs(dump_ir_block_graph);
298 dump_all_ir_graphs(dump_ir_block_graph_w_types);
301 printf("Use xvcg to view these graphs:\n");
302 printf("/ben/goetz/bin/xvcg GRAPHNAME\n\n");