/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Christian Schaefer, Goetz Lindenmaier
-**
-** testprogram.
+* All rights reserved.
+*
+* Authors: Christian Schaefer, Goetz Lindenmaier
+*
+* testprogram.
*/
# include <stdio.h>
+# include <string.h>
+# include "irvrfy.h"
# include "irdump.h"
# include "firm.h"
*/
/**
-*** This file constructs a control flow of following shape:
-***
-***
-*** firstBlock
-*** / \
-*** / \
-*** |/_ _\|
-*** Block1 Block2 deadBlock
-*** \ | /
-*** \ | /
-*** _\| \ / |/_
-*** nextBlock
-***
-***
-*** This is a program as, e.g.,
-***
-*** if () then
-*** { Jmp label1; } // happens anyways
-*** else
-*** { Jmp label1; } // happens anyways
-*** label1:
-*** return();
-*** Jmp label1;
-***
+* This file constructs a control flow of following shape:
+*
+*
+* firstBlock
+* / \
+* / \
+* |/_ _\|
+* Block1 Block2 deadBlock
+* \ | /
+* \ | /
+* _\| \ / |/_
+* nextBlock
+*
+*
+* This is a program as, e.g.,
+*
+* if () then
+* { Jmp label1; } // happens anyways
+* else
+* { Jmp label1; } // happens anyways
+* label1:
+* return();
+* Jmp label1;
+*
**/
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; /* type information for the method main */
+ type *owner; /* the class in which this method is defined */
+ type *proc_main; /* type information for the method main */
+ type *prim_t_int;
entity *ent; /* represents this method as entity of owner */
ir_node *c1, *c2, *cond, *f, *t, *endBlock, *Block1, *jmp, *Block2,
*deadBlock, *x;
/* init library */
init_firm ();
- set_opt_cse(0); /* there is a bug: first and start block are cse!! @@@ */
+ /*** Make basic type information for primitive type int. ***/
+ prim_t_int = new_type_primitive(id_from_str ("int", 3), mode_Is);
/* 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
#define CLASSNAME "DEAD_BLOCK"
#define METHODNAME "main"
#define NRARGS 0
-#define NRES 0
+#define NRES 1
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,
+ set_method_res_type(proc_main, 0, prim_t_int);
+ ent = new_entity (owner,
id_from_str (METHODNAME, strlen(METHODNAME)),
- (type *)proc_main);
+ proc_main);
#define NUM_OF_LOCAL_VARS 1
irg = new_ir_graph (ent, NUM_OF_LOCAL_VARS);
/* to make a condition */
- c1 = new_Const (mode_i, tarval_from_long (mode_i, 1));
- c2 = new_Const (mode_i, tarval_from_long (mode_i, 2));
+ c1 = new_Const (mode_Is, tarval_from_long (mode_Is, 1));
+ c2 = new_Const (mode_Is, tarval_from_long (mode_Is, 2));
set_value(0, c2);
cond = new_Cond(new_Proj(new_Cmp(c1, c2), mode_b, Eq));
mature_block(get_irg_current_block(irg));
/* end block to add jmps */
- endBlock = new_Block();
+ endBlock = new_immBlock();
/* Block 1 */
- Block1 = new_Block();
+ Block1 = new_immBlock();
add_in_edge(Block1, t);
mature_block(Block1);
jmp = new_Jmp();
add_in_edge(endBlock, jmp);
/* Block 2 */
- Block2 = new_Block();
+ Block2 = new_immBlock();
add_in_edge(Block2, f);
mature_block(Block2);
jmp = new_Jmp();
add_in_edge(endBlock, jmp);
/* dead Block */
- deadBlock = new_Block();
+ deadBlock = new_immBlock();
mature_block(deadBlock);
jmp = new_Jmp();
add_in_edge(endBlock, jmp);
switch_block(endBlock);
{
ir_node *in[1];
- in[0] = get_value(0, mode_i);
+ in[0] = get_value(0, mode_Is);
get_store();
x = new_Return (get_store(), 1, in);
}
add_in_edge (get_irg_end_block(irg), x);
mature_block (get_irg_end_block(irg));
+ finalize_cons (irg);
+
printf("Optimizing ...\n");
local_optimize_graph (irg);
dead_node_elimination (irg);