- /* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-* All rights reserved.
-*
-* Authors: Goetz Lindenmaier
-*
-* testprogram.
-*/
-
-# include <string.h>
-# include <stdio.h>
-
-# include "irvrfy.h"
-# include "irdump.h"
-# include "firm.h"
+/*
+ * Project: libFIRM
+ * File name: testprograms/array-heap_example.c
+ * Purpose: Show representation of dynamically allocated array.
+ * Author: Goetz Lindenmaier
+ * Modified by:
+ * Created:
+ * CVS-ID: $Id$
+ * Copyright: (c) 1999-2003 Universität Karlsruhe
+ * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ */
+
+#include <string.h>
+#include <stdio.h>
+
+#include <libfirm/firm.h>
/**
* variables of imperative programs.
int
main(void)
{
+ char *dump_file_suffix = "";
+
/* describes the method main */
- type *owner;
- type *proc_main;
- entity *proc_main_e;
+ ir_type *owner;
+ ir_type *proc_main;
+ ir_entity *proc_main_e;
/* describes types defined by the language */
- type *prim_t_int;
+ ir_type *prim_t_int;
/* describes the array and its fields. */
- type *array_type; /* the type information for the array */
- entity *array_ent; /* the entity representing a field of the array */
+ ir_type *array_type; /* the ir_type information for the array */
+ ir_entity *array_ent; /* the ir_entity representing a field of the array */
/* Needed while finding the element size. */
- type *elt_type;
+ ir_type *elt_type;
ir_mode *elt_type_mode;
int size;
ir_node *arr_size;
init_firm (NULL);
- /* make basic type information for primitive type int.
+ /* make basic ir_type information for primitive ir_type int.
In Sather primitive types are represented by a class.
This is the modeling appropriate for other languages.
Mode_i says that all integers shall be implemented as a
32 bit integer value. */
- prim_t_int = new_type_primitive(id_from_str ("int", 3), mode_Is);
+ prim_t_int = new_type_primitive(new_id_from_chars ("int", 3), mode_Is);
printf("\nCreating an IR graph: ARRAY-HEAP_EXAMPLE...\n");
/* first build procedure main */
owner = get_glob_type();
- proc_main = new_type_method(id_from_str("ARRAY-HEAP_EXAMPLE_main", 23), 0, 1);
- set_method_res_type(proc_main, 0, (type *)prim_t_int);
- proc_main_e = new_entity ((type*)owner, id_from_str ("ARRAY-HEAP_EXAMPLE_main", 23), (type *)proc_main);
- main_irg = new_ir_graph (proc_main_e, 4);
+ proc_main = new_type_method(new_id_from_chars("ARRAY-HEAP_EXAMPLE_main", 23), 0, 1);
+ set_method_res_type(proc_main, 0, (ir_type *)prim_t_int);
+ proc_main_e = new_entity ((ir_type*)owner, new_id_from_chars("ARRAY-HEAP_EXAMPLE_main", 23), (ir_type *)proc_main);
- /* make type information for the array and set the bounds */
+ /* make ir_type information for the array and set the bounds */
# define N_DIMS 1
# define L_BOUND 0
# define U_BOUND 9
- array_type = new_type_array(id_from_str("a", 1), N_DIMS, prim_t_int);
- set_array_bounds(array_type, 1,
- new_Const(mode_Iu, tarval_from_long (mode_Iu, L_BOUND)),
- new_Const(mode_Iu, tarval_from_long (mode_Iu, U_BOUND)));
+ current_ir_graph = get_const_code_irg();
+ array_type = new_type_array(new_id_from_chars("a", 1), N_DIMS, prim_t_int);
+ set_array_bounds(array_type, 0,
+ new_Const(mode_Iu, new_tarval_from_long (L_BOUND, mode_Iu)),
+ new_Const(mode_Iu, new_tarval_from_long (U_BOUND, mode_Iu)));
/* As the array is accessed by Sel nodes, we need information about
- the entity the node selects. Entities of an array are it's elements
+ the ir_entity the node selects. Entities of an array are it's elements
which are, in this case, integers. */
+ main_irg = new_ir_graph (proc_main_e, 4);
array_ent = get_array_element_entity(array_type);
/* Allocate the array. All program known variables that
/* first compute size in bytes. */
elt_type = get_array_element_type(array_type);
elt_type_mode = get_type_mode(elt_type);
- /* better: read bounds out of array type information */
- size = (U_BOUND - L_BOUND + 1) * get_mode_size(elt_type_mode);
+ /* better: read bounds out of array ir_type information */
+ size = (U_BOUND - L_BOUND + 1) * get_mode_size_bytes(elt_type_mode);
/* make constant representing the size */
- arr_size = new_Const(mode_Iu, tarval_from_long (mode_Iu, size));
+ arr_size = new_Const(mode_Iu, new_tarval_from_long (size, mode_Iu));
/* allocate and generate the Proj nodes. */
- array = new_Alloc(get_store(), arr_size, (type*)array_type, stack_alloc);
- set_store(new_Proj(array, mode_M, 0)); /* make the changed memory visible */
- array_ptr = new_Proj(array, mode_P, 2); /* remember the pointer to the array */
+ array = new_Alloc(get_store(), arr_size, (ir_type*)array_type, stack_alloc);
+ set_store(new_Proj(array, mode_M, pn_Alloc_M)); /* make the changed memory visible */
+ array_ptr = new_Proj(array, mode_P, pn_Alloc_res); /* remember the pointer to the array */
/* Now the "real" program: */
/* Load element 3 of the array. For this first generate the pointer to this
array element by a select node. (Alternative: increase array pointer
by (three * elt_size), but this complicates some optimizations. The
- type information accessible via the entity allows to generate the
+ ir_type information accessible via the ir_entity allows to generate the
pointer increment later. */
- c3 = new_Const (mode_Iu, tarval_from_long (mode_Iu, 3));
+ c3 = new_Const (mode_Iu, new_tarval_from_long (3, mode_Iu));
{
ir_node *in[1];
in[0] = c3;
elt = new_Sel(get_store(), array_ptr, 1, in, array_ent);
}
- val = new_Load(get_store(), elt);
- set_store(new_Proj(val, mode_M, 0));
- val = new_Proj(val, mode_Is, 2);
+ val = new_Load(get_store(), elt, mode_Is);
+ set_store(new_Proj(val, mode_M, pn_Load_M));
+ val = new_Proj(val, mode_Is, pn_Load_res);
/* return the result of procedure main */
{
x = new_Return (get_store (), 1, in);
}
- mature_block (get_irg_current_block(main_irg));
+ mature_immBlock (get_irg_current_block(main_irg));
/* complete the end_block */
- add_in_edge (get_irg_end_block(main_irg), x);
- mature_block (get_irg_end_block(main_irg));
+ add_immBlock_pred (get_irg_end_block(main_irg), x);
+ mature_immBlock (get_irg_end_block(main_irg));
- finalize_cons (main_irg);
+ irg_finalize_cons (main_irg);
printf("Optimizing ...\n");
dead_node_elimination(main_irg);
/* verify the graph */
irg_vrfy(main_irg);
- printf("Dumping the graph and a type graph.\n");
- dump_ir_block_graph (main_irg);
- dump_type_graph(main_irg);
- printf("use xvcg to view these graphs:\n");
- printf("/ben/goetz/bin/xvcg GRAPHNAME\n\n");
+ printf("Dumping the graph and a ir_type graph.\n");
+ dump_ir_block_graph (main_irg, dump_file_suffix);
+ dump_type_graph(main_irg, dump_file_suffix);
+ dump_all_types(dump_file_suffix);
+ printf("Use ycomp to view these graphs:\n");
+ printf("ycomp GRAPHNAME\n\n");
- return (0);
+ return 0;
}