-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-* All rights reserved.
-*
-* Authors: Christian Schaefer, Goetz Lindenmaier
-*
-* testprogram.
-*/
+/*
+ * Project: libFIRM
+ * File name: testprograms/memory_example.c
+ * Purpose: Illustrate memory edges.
+ * Author: Christian Schaefer, 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 <stdio.h>
printf("\nCreating an IR graph: MEMORY_EXAMPLE...\n");
- init_firm ();
+ init_firm (NULL);
set_opt_dead_node_elimination (1);
/*** Make basic type information for primitive type int. ***/
- prim_t_int = new_type_primitive(id_from_str ("int", 3), mode_Iu);
+ prim_t_int = new_type_primitive(new_id_from_chars ("int", 3), mode_Iu);
/* a class to get started with, containing the main procedure */
- owner = new_type_class (id_from_str ("MEMORY_EXAMPLE", 14));
- method = new_type_method (id_from_str("main", 4), 0, 1);
+ owner = new_type_class (new_id_from_chars ("MEMORY_EXAMPLE", 14));
+ method = new_type_method (new_id_from_chars("main", 4), 0, 1);
set_method_res_type(method, 0, prim_t_int);
- ent = new_entity (owner, id_from_str ("main", 4), method);
+ ent = new_entity (owner, new_id_from_chars ("main", 4), method);
+ get_entity_ld_name(ent); /* To enforce name mangling for vcg graph name */
/* Generates start and end blocks and nodes and a first, initial block */
irg = new_ir_graph (ent, 4);
- /* generate two constant pointers to string constants */
- /* this simulates two global variables, a and b point to these variables */
- a = new_Const (mode_P, tarval_P_from_str ("VAR_A"));
- b = new_Const (mode_P, tarval_P_from_str ("VAR_B"));
-
- /* set VAR_A and VAR_B to constant values */
+ /* create two global variables, a and b point to these variables */
+ a = new_simpleSel(
+ get_store(),
+ get_irg_globals(irg),
+ new_entity(get_glob_type(),new_id_from_chars("VAR_A",6),prim_t_int));
+ b = new_simpleSel(
+ get_store(),
+ get_irg_globals(irg),
+ new_entity(get_glob_type(),new_id_from_chars("VAR_B",6),prim_t_int));
+ /* set VAR_A and VAR_B to constant values */
set_store (new_Proj (new_Store (get_store (), a,
- new_Const (mode_Iu, tarval_from_long (mode_Is, 0))),
+ new_Const (mode_Iu, new_tarval_from_long (0, mode_Iu))),
mode_M, 0));
set_store (new_Proj (new_Store (get_store (), b,
- new_Const (mode_Iu, tarval_from_long (mode_Is, 1))),
+ new_Const (mode_Iu, new_tarval_from_long (1, mode_Iu))),
mode_M, 0));
/* finish this first block */
x = new_Jmp ();
- mature_block (get_irg_current_block(irg));
+ mature_immBlock (get_irg_current_block(irg));
/* a loop body */
r = new_immBlock ();
- add_in_edge (r, x);
+ add_immBlock_pred (r, x);
/* exchange the content of the two variables. Exceptions not cached. */
/* load the value and make it's effects visible. */
- x = new_Load (get_store (), a);
+ x = new_Load (get_store (), a, mode_Iu);
set_store (new_Proj (x, mode_M, 0));
x = new_Proj(x, mode_Iu, 2);
/* the same again: load the value and make it's effects visible. */
- y = new_Load (get_store (), b);
+ y = new_Load (get_store (), b, mode_Iu);
set_store (new_Proj (y, mode_M, 0));
y = new_Proj(y, mode_Iu, 2);
/* store the exchanged values. */
x = new_Cond (
new_Proj (
new_Cmp (
- new_Const (mode_Iu, tarval_from_long (mode_Is, 0)),
+ new_Const (mode_Iu, new_tarval_from_long (0, mode_Iu)),
x),
- mode_b, Gt));
+ mode_b, pn_Cmp_Gt));
/* build the cfg of the loop */
- add_in_edge (r, new_Proj (x, mode_X, 0));
+ add_immBlock_pred (r, new_Proj (x, mode_X, 0));
x = new_Proj (x, mode_X, 1);
- mature_block(r);
+ mature_immBlock(r);
/* generate the block the loop exits to */
r = new_immBlock ();
- add_in_edge (r, x);
+ add_immBlock_pred (r, x);
/* generate the return block and return the content of VAR_A */
{
ir_node *in[1];
- x = new_Load (get_store (), a);
+ x = new_Load (get_store (), a, mode_Iu);
in[0] = new_Proj (x, mode_Iu, 2);
x = new_Return (new_Proj(x, mode_M, 0), 1, in);
}
- mature_block (r);
- add_in_edge (get_irg_end_block(irg), x);
- mature_block (get_irg_end_block(irg));
+ mature_immBlock (r);
+ add_immBlock_pred (get_irg_end_block(irg), x);
+ mature_immBlock (get_irg_end_block(irg));
- finalize_cons (irg);
+ irg_finalize_cons (irg);
printf("Optimizing ...\n");
dead_node_elimination(irg);
irg_vrfy(irg);
printf("Done building the graph. Dumping it.\n");
- dump_ir_block_graph (irg);
+ dump_ir_block_graph (irg, 0);
printf("Use xvcg to view this graph:\n");
printf("/ben/goetz/bin/xvcg GRAPHNAME\n\n");
projects / libfirm / blobdiff