** testprogram.
*/
-#include <stdio.h>
+# include <stdio.h>
-# include "irdump.h"
# include "firm.h"
+# include "irdump.h"
/*
* das leere FIRM Programm
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 */
- entity *ent; /* represents this method as entity of owner */
- ir_node *x, *x_then, *x_else, *c0, *c1, *c2, *cmpGt, *f, *t, *b;
+ ir_graph *irg; /* this variable contains the irgraph */
+ type *owner; /* the class in which this method is defined */
+ type *method; /* the type of this method */
+ entity *ent; /* represents this method as entity of owner */
+ ir_node *x, *x_then, *x_else, *c0, *c1, *c2, *cmpGt, *f, *t, *b;
- printf("creating an IR graph: IF_ELSE_EXAMPLE...\n");
+ printf("\ncreating an IR graph: IF_ELSE_EXAMPLE...\n");
/* init library */
init_firm ();
* Therefore we define a class "IF_ELSE_EXAMPLE" with a method main as an
* entity.
*/
-#define CLASSNAME "IF_ELSE_EXAMPLE"
#define ENTITYNAME "main"
- owner = new_type_class (id_from_str (CLASSNAME, strlen(CLASSNAME)));
- ent = new_entity ((type *)owner, id_from_str (ENTITYNAME, strlen(ENTITYNAME)), NULL);
-
+ owner = get_glob_type();
+ method = new_type_method (id_from_str("main", 4), 0, 2);
+ ent = new_entity (owner, id_from_str (ENTITYNAME,
+ strlen(ENTITYNAME)), method);
/* 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.
f = new_Proj (x, mode_X, 0); /* if condition is false */
t = new_Proj (x, mode_X, 1); /* if condition is true */
- mature_block (irg->current_block);
+ mature_block (get_irg_current_block(irg));
/* generate and fill the then block */
- b = new_Block ();
+ b = new_immBlock ();
add_in_edge (b, t);
set_value (0, get_value(1, mode_i));
mature_block (b);
x_then = new_Jmp ();
/* generate and fill the else block */
- b = new_Block ();
+ b = new_immBlock ();
add_in_edge (b, f);
set_value (1, new_Const (mode_i, tarval_from_long (mode_i, 2)));
mature_block (b);
x_else = new_Jmp ();
/* generate the join block and add all cfg edges */
- b = new_Block ();
+ b = new_immBlock ();
add_in_edge (b, x_then);
add_in_edge (b, x_else);
-
/* Generate the return node into current region. */
{
ir_node *in[2]; /* this is the array containing the return parameters */
in[1] = get_value(1, mode_i);
x = new_Return (get_store(), 2, in);
}
- /* Now generate all instructions for this block and all its predecessor blocks
- * so we can mature it. */
- mature_block (irg->current_block);
-
- /* 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);
+ /* Now generate all instructions for this block and all its predecessor
+ blocks so we can mature it. */
+ 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 control flow to the
+ end block. */
+ 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));
- printf("\nDone building the graph. Dumping it.\n");
- dump_ir_block_graph (irg);
+ printf("\nOptimizing ...\n");
+ local_optimize_graph(irg);
+ dead_node_elimination(irg);
+
+ /* verify the graph */
+ irg_vrfy(irg);
+ printf("Done building the graph. Dumping it.\n");
+ //dump_ir_graph (irg);
+ dump_ir_block_graph (irg);
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);
-
-
}