-/* Copyright (C) 2002 by Universitaet Karlsruhe
-* All rights reserved.
-*
-* Authors: Christian Schaefer, Goetz Lindenmaier
-*
-* testprogram.
-*/
-
-/* $Id$ */
-
-# include <stdio.h>
-# include <string.h>
-
-# include "irvrfy.h"
-# include "irdump.h"
-# include "firm.h"
+/*
+ * Project: libFIRM
+ * File name: testprograms/global_cse.c
+ * Purpose: Test global cse.
+ * 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>
+#include <string.h>
+
+#include <libfirm/firm.h>
/**
* This file constructs the ir for the following pseudo-program:
main(void)
{
ir_graph *irg;
- type *owner;
- entity *ent;
- type *proc_main; /* type information for the method main */
- type *typ;
+ ir_type *owner;
+ ir_entity *ent;
+ ir_type *proc_main; /* ir_type information for the method main */
+ ir_type *typ;
ir_node *x, *r, *t, *f, *a, *cmp;
int a_pos, b_pos;
printf("\nCreating an IR graph: GLOBAL_CSE_EXAMPLE...\n");
- init_firm (NULL);
+ init_firm(NULL);
set_optimize(1);
set_opt_constant_folding(1);
set_opt_cse(1);
set_opt_global_cse(1);
- set_opt_dead_node_elimination (1);
#define CLASSNAME "GLOBAL_CSE_EXAMPLE"
#define METHODNAME "GLOBAL_CSE_EXAMPLE_main"
owner = get_glob_type();
/* Type information for the procedure */
- proc_main = new_type_method(id_from_str(METHODNAME, strlen(METHODNAME)),
+ proc_main = new_type_method(new_id_from_chars(METHODNAME, strlen(METHODNAME)),
NRARGS, NRES);
- /* The entity for the procedure */
- ent = new_entity (owner,
- id_from_str (METHODNAME, strlen(METHODNAME)),
- proc_main);
- /* The type int. This type is necessary to model the result and parameters
+ /* The ir_entity for the procedure */
+ ent = new_entity(owner,
+ new_id_from_chars(METHODNAME, strlen(METHODNAME)),
+ proc_main);
+ /* The ir_type int. This ir_type is necessary to model the result and parameters
the procedure. */
#define PRIM_NAME "int"
- typ = new_type_primitive(id_from_str(PRIM_NAME, strlen(PRIM_NAME)), mode_Is);
+ typ = new_type_primitive(new_id_from_chars(PRIM_NAME, strlen(PRIM_NAME)), mode_Is);
/* The parameter and result types of the procedure. */
set_method_param_type(proc_main, 0, typ);
set_method_res_type(proc_main, 0, typ);
/* Generates start and end blocks and nodes, and a first, initial block */
#define NRLOCS 2
- irg = new_ir_graph (ent, NRLOCS);
+ irg = new_ir_graph(ent, NRLOCS);
/* The value position used for: */
a_pos = 0;
/* Get the procedure parameter and assign it to the parameter variable
a. */
- set_value (a_pos, new_Proj (get_irg_args(irg), mode_Is, 0));
+ set_value(a_pos, new_Proj(get_irg_args(irg), mode_Is, 0));
/* Generate the constant and assign it to b. The assignment is resovled to a
dataflow edge. */
- set_value (b_pos, new_Const (mode_Is, new_tarval_from_long (2, mode_Is)));
+ set_value(b_pos, new_Const(mode_Is, new_tarval_from_long(2, mode_Is)));
/* We know all predecessors of the block and all set_values and set_stores are
preformed. We can mature the block. */
- mature_block (get_irg_current_block(irg));
+ mature_immBlock(get_irg_current_block(irg));
/* Generate a conditional branch */
cmp = new_Cmp(get_value(a_pos, mode_Is), get_value(b_pos, mode_Is)); /*
- cmp = new_Cmp(new_Const (mode_Is, new_tarval_from_long (2, mode_Is)),
- new_Const (mode_Is, new_tarval_from_long (2, mode_Is)));*/
- x = new_Cond (new_Proj(cmp, mode_b, Eq));
- f = new_Proj (x, mode_X, 0);
- t = new_Proj (x, mode_X, 1);
+ cmp = new_Cmp(new_Const(mode_Is, new_tarval_from_long(2, mode_Is)),
+ new_Const(mode_Is, new_tarval_from_long(2, mode_Is)));*/
+ x = new_Cond(new_Proj(cmp, mode_b, pn_Cmp_Eq));
+ f = new_Proj(x, mode_X, pn_Cond_false);
+ t = new_Proj(x, mode_X, pn_Cond_true);
/* generate and fill the then block */
- r = new_immBlock ();
- add_in_edge (r, t);
+ r = new_immBlock();
+ add_immBlock_pred(r, t);
a = new_Sub(get_value(a_pos, mode_Is),
- new_Const (mode_Is, new_tarval_from_long (3, mode_Is)),
+ new_Const(mode_Is, new_tarval_from_long(3, mode_Is)),
mode_Is);
- set_value (a_pos, a);
+ set_value(a_pos, a);
- mature_block (r);
- t = new_Jmp ();
+ mature_immBlock(r);
+ t = new_Jmp();
/* generate the else block */
- r = new_immBlock ();
- add_in_edge (r, f);
+ r = new_immBlock();
+ add_immBlock_pred(r, f);
a = new_Sub(get_value(a_pos, mode_Is),
- new_Const (mode_Is, new_tarval_from_long (3, mode_Is)),
+ new_Const(mode_Is, new_tarval_from_long(3, mode_Is)),
mode_Is);
- a = new_Add(a, new_Const (mode_Is, new_tarval_from_long (5, mode_Is)), mode_Is);
- set_value (a_pos, a);
+ a = new_Add(a, new_Const(mode_Is, new_tarval_from_long(5, mode_Is)), mode_Is);
+ set_value(a_pos, a);
- mature_block (r);
- f = new_Jmp ();
+ mature_immBlock(r);
+ f = new_Jmp();
/* generate the fall through block and add all cfg edges */
- r = new_immBlock ();
- add_in_edge (r, f);
- add_in_edge (r, t);
- mature_block (r);
+ r = new_immBlock();
+ add_immBlock_pred(r, f);
+ add_immBlock_pred(r, t);
+ mature_immBlock(r);
/* The Return statement */
{
ir_node *in[1], *store ;
- in[0] = get_value (a_pos, mode_Is);
+ in[0] = get_value(a_pos, mode_Is);
store = get_store();
- x = new_Return (store, 1, in);
+ x = new_Return(store, 1, in);
}
/* finalize the end block generated in new_ir_graph() */
- add_in_edge (get_irg_end_block(irg), x);
- mature_block (get_irg_end_block(irg));
+ add_immBlock_pred(get_irg_end_block(irg), x);
+ mature_immBlock(get_irg_end_block(irg));
/* verify the graph */
irg_vrfy(irg);
- finalize_cons (irg);
+ irg_finalize_cons(irg);
printf("Optimizing ...\n");
local_optimize_graph(irg);
- dead_node_elimination(irg);
+
/* output the vcg file */
printf("Done building the graph. Dumping it.\n");
- dump_ir_block_graph (irg);
- printf("use xvcg to view this graph:\n");
- printf("/ben/goetz/bin/xvcg GRAPHNAME\n\n");
+ dump_ir_block_graph(irg, 0);
+ printf("Use ycomp to view this graph:\n");
+ printf("ycomp GRAPHNAME\n\n");
- return (0);
+ return 0;
}
projects / libfirm / blobdiff