X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=testprograms%2Firr_loop_example.c;h=b6eda950911a949e9889d853c95c6772ae2b29b6;hb=e569ea0a211514dcb0d96207d2600dd0fb18e23b;hp=e9c9002980f019d5d012b53d46e9692fdee0be1b;hpb=79df37c097fe8cfb7d8e56d30b658f7ce8f6655d;p=libfirm

diff --git a/testprograms/irr_loop_example.c b/testprograms/irr_loop_example.c
index e9c900298..b6eda9509 100644
--- a/testprograms/irr_loop_example.c
+++ b/testprograms/irr_loop_example.c
@@ -36,17 +36,19 @@
 
 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; /* typeinformation for the method main */
-  entity *ent;            /* represents this method as entity of owner */
-  ir_node *expr, *c1, *c2, *c3, *cond, *f, *t, *loopBlock1, *f_l1, *t_l1,
-          *loopBlock2, *f_l2, *t_l2, *x;
+  ir_graph *irg;        /* this variable contains the irgraph */
+  type     *owner;      /* the class in which this method is defined */
+  type     *proc_main;  /* typeinformation for the method main */
+  entity   *ent;        /* represents this method as entity of owner */
+  ir_node  *expr, *c1, *c2, *c3, *cond, *f, *t, *loopBlock1, *f_l1, *t_l1,
+           *loopBlock2, *f_l2, *t_l2, *x;
 
 
   /* init library */
   init_firm ();
-  set_opt_constant_folding (1);
+  set_opt_constant_folding (0);  /* so that the stupid tests are not optimized. */
+  set_opt_cse(1);
+  set_opt_dead_node_elimination(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
@@ -58,20 +60,20 @@ int main(int argc, char **argv)
 #define METHODNAME "main"
 #define NRARGS 0
 #define NRES 0
-  printf("creating an IR graph: %s...\n", CLASSNAME);
+  printf("\nCreating an IR graph: %s...\n", CLASSNAME);
 
   owner = new_type_class (id_from_str (CLASSNAME, strlen(CLASSNAME)));
   proc_main = new_type_method(id_from_str(METHODNAME, strlen(METHODNAME)),
                               NRARGS, NRES);
-  ent = new_entity ((type *)owner,
+  ent = new_entity (owner,
                     id_from_str (METHODNAME, strlen(METHODNAME)),
-                    (type *)proc_main);
+                    proc_main);
 
 #define NUM_OF_LOCAL_VARS 0
 
   irg = new_ir_graph (ent, NUM_OF_LOCAL_VARS);
 
-  /* two make three conditionals  */
+  /* to make three conditionals  */
   expr = new_Const (mode_i, tarval_from_long (mode_i, 0));
   c1 = new_Const (mode_i, tarval_from_long (mode_i, 1));
   c2 = new_Const (mode_i, tarval_from_long (mode_i, 2));
@@ -80,15 +82,15 @@ int main(int argc, char **argv)
   cond = new_Cond(new_Proj(new_Cmp(expr, c1), mode_b, Eq));
   f = new_Proj(cond, mode_X, 0);
   t = new_Proj(cond, mode_X, 1);
-  mature_block(irg->current_block);
+  mature_block(get_irg_current_block(irg));
 
-  loopBlock1 = new_Block();
+  loopBlock1 = new_immBlock();
   add_in_edge(loopBlock1, t);
   cond = new_Cond(new_Proj(new_Cmp(expr, c2), mode_b, Eq));
   f_l1 = new_Proj(cond, mode_X, 0);
   t_l1 = new_Proj(cond, mode_X, 1);
 
-  loopBlock2 = new_Block();
+  loopBlock2 = new_immBlock();
   add_in_edge(loopBlock2, f);
   cond = new_Cond(new_Proj(new_Cmp(expr, c3), mode_b, Eq));
   f_l2 = new_Proj(cond, mode_X, 0);
@@ -99,28 +101,31 @@ int main(int argc, char **argv)
   mature_block(loopBlock1);
   mature_block(loopBlock2);
 
-  new_Block();
-  add_in_edge(irg->current_block, f_l2);
-  add_in_edge(irg->current_block, f_l1);
+  new_immBlock();
+  add_in_edge(get_irg_current_block(irg), f_l2);
+  add_in_edge(get_irg_current_block(irg), f_l1);
   {
     ir_node *in[0];
-    x = new_Return (get_store(), 1, in);
+    x = new_Return (get_store(), 0, in);
   }
-  mature_block (irg->current_block);
+  mature_block (get_irg_current_block(irg));
 
-  add_in_edge (irg->end_block, x);
-  mature_block (irg->end_block);
+  add_in_edge (get_irg_end_block(irg), x);
+  mature_block (get_irg_end_block(irg));
+
+  finalize_cons (irg);
+
+  printf("Optimizing ...\n");
+  dead_node_elimination(irg);
 
   /* verify the graph */
   irg_vrfy(irg);
 
-  printf("\nDone building the graph..\n");
   printf("Dumping the graph and a control flow graph.\n");
   dump_ir_block_graph (irg);
   dump_cfg (irg);
-
-  printf("use xvcg to view these graphs:\n");
-  printf("/ben/goetz/bin/xvcg GRAPHNAME\n");
+  printf("Use xvcg to view these graphs:\n");
+  printf("/ben/goetz/bin/xvcg GRAPHNAME\n\n");
 
   return (0);
 }