-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Christian Schaefer, Goetz Lindenmaier
-**
-** testprogram.
-*/
+/*
+ * Project: libFIRM
+ * File name: testprograms/irr_loop_example.c
+ * Purpose: Test Phi construction with irregular control flow.
+ * 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 "irvrfy.h"
# include "irdump.h"
# include "firm.h"
-/*
- * an irreducible loop.
- */
-
/**
-*** This file constructs a control flow of following shape:
-***
-***
-*** firstBlock
-*** / \
-*** / \
-*** |/_ _\|
-*** ---->
-*** LoopBlock1 LoopBlock2
-*** <----
-*** \ /
-*** \ /
-*** _\| |/_
-*** nextBlock
-***
-***
-**/
+ * This file constructs a control flow of following shape:
+ *
+ *
+ * firstBlock
+ * / \
+ * / \
+ * |/_ _\|
+ * ---->
+ * LoopBlock1 LoopBlock2
+ * <----
+ * \ /
+ * \ /
+ * _\| |/_
+ * nextBlock
+ *
+ *
+ **/
int main(int argc, char **argv)
{
/* init library */
- init_firm ();
+ init_firm (NULL);
set_opt_constant_folding (0); /* so that the stupid tests are not optimized. */
set_opt_cse(1);
set_opt_dead_node_elimination(1);
ent = new_entity (owner,
id_from_str (METHODNAME, strlen(METHODNAME)),
proc_main);
+ get_entity_ld_name(ent); /* To enforce name mangling for vcg graph name */
#define NUM_OF_LOCAL_VARS 0
irg = new_ir_graph (ent, NUM_OF_LOCAL_VARS);
/* to make three conditionals */
- expr = new_Const (mode_i, tarval_from_long (mode_i, 0));
- c1 = new_Const (mode_i, tarval_from_long (mode_i, 1));
- c2 = new_Const (mode_i, tarval_from_long (mode_i, 2));
- c3 = new_Const (mode_i, tarval_from_long (mode_i, 2));
+ expr = new_Const (mode_Is, new_tarval_from_long (0, mode_Is));
+ c1 = new_Const (mode_Is, new_tarval_from_long (1, mode_Is));
+ c2 = new_Const (mode_Is, new_tarval_from_long (2, mode_Is));
+ c3 = new_Const (mode_Is, new_tarval_from_long (2, mode_Is));
cond = new_Cond(new_Proj(new_Cmp(expr, c1), mode_b, Eq));
f = new_Proj(cond, mode_X, 0);
new_immBlock();
add_in_edge(get_irg_current_block(irg), f_l2);
add_in_edge(get_irg_current_block(irg), f_l1);
- {
- ir_node *in[0];
- x = new_Return (get_store(), 0, in);
- }
+ x = new_Return (get_store(), 0, NULL);
mature_block (get_irg_current_block(irg));
add_in_edge (get_irg_end_block(irg), x);
mature_block (get_irg_end_block(irg));
+ finalize_cons (irg);
+
printf("Optimizing ...\n");
dead_node_elimination(irg);