Licence: This file is protected by the GPL - GNU GENERAL PUBLIC LICENSE.
*/
-# ifdef HAVE_CONFIG_H
-# include <config.h>
-# endif
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
/*
pto_util: Utilitites for PTO
# include "pto_util.h"
-# include "irnode.h"
+# include "irnode_t.h"
+# include "irgwalk.h"
# include "xmalloc.h"
# include "pto_debug.h"
+# include "gnu_ext.h"
/* Local Defines: */
+# ifndef TRUE
+# define TRUE 1
+# define FALSE 0
+# endif /* not defined TRUE */
/* Local Data Types: */
+/* Environment for find_irg_args */
+typedef struct find_irg_args_env {
+ ir_node **args;
+ ir_node *arg;
+} find_irg_args_env_t;
+
/* Local Variables: */
/* ===================================================
Local Implementation:
=================================================== */
+/* Helper for find_irg_args */
+static void find_irg_arg (ir_node *node, void *env)
+{
+ find_irg_args_env_t *arg_env = (find_irg_args_env_t*) env;
+
+ if (iro_Proj == get_irn_opcode (node)) {
+ if (arg_env->arg == get_Proj_pred (node)) {
+ long n = get_Proj_proj (node);
+ assert (! arg_env->args [n]);
+
+ arg_env->args [n] = node;
+ }
+ }
+}
/* ===================================================
Exported Implementation:
=================================================== */
+/* Find the arguments of a graph. For a method that has n args, the
+ result array has 'n+1' entries, the last of which is written NULL.
+ Note that not all entries in [0..n-1] will be populated all the time.
+*/
+ir_node **find_irg_args (ir_graph *graph)
+{
+ type *tp = get_entity_type (get_irg_entity (graph));
+ const int n_args = get_method_n_params (tp);
+ ir_node **args = xcalloc (n_args + 1, sizeof (ir_node*));
+ ir_node *arg = get_irg_args (graph);
+ find_irg_args_env_t *arg_env;
+
+ arg_env = (find_irg_args_env_t*) xmalloc (sizeof (find_irg_args_env_t));
+
+ arg_env->args = args;
+ arg_env->arg = arg;
+
+ {
+ ir_graph *save = get_current_ir_graph ();
+
+ set_current_ir_graph (graph);
+ irg_walk (get_irg_end (graph), find_irg_arg, NULL, arg_env);
+ set_current_ir_graph (save);
+ }
+
+ memset (arg_env, 0x00, sizeof (find_irg_args_env_t));
+ free (arg_env);
+
+ args [n_args] = NULL;
+
+ return (args);
+}
+
/* Get the entity of a ptr */
entity *get_ptr_ent (ir_node *ptr)
{
entity *ent = NULL;
const opcode ptr_op = get_irn_opcode (ptr);
switch (ptr_op) {
+ case (iro_Cast): {
+ ent = get_ptr_ent (get_Cast_op (ptr));
+ } break;
case (iro_Sel): {
ent = get_Sel_entity (ptr);
} break;
return (ent);
}
+/* Check whether the load of the given ptr is a dummy */
+int is_dummy_load_ptr (ir_node *ptr)
+{
+ const opcode ptr_op = get_irn_opcode (ptr);
+
+ switch (ptr_op) {
+ case (iro_Cast): {
+ return (is_dummy_load_ptr (get_Cast_op (ptr)));
+ } break;
+ case (iro_Sel):
+ case (iro_SymConst): {
+ return (FALSE);
+ } break;
+ default: {
+ return (TRUE);
+ }
+ }
+}
\f
/*
$Log$
+ Revision 1.16 2005/01/14 14:13:32 liekweg
+ fix gnu extension
+
+ Revision 1.15 2005/01/10 17:26:34 liekweg
+ fixup printfs, don't put environments on the stack
+
+ Revision 1.14 2004/12/23 15:47:09 beck
+ removed uneeded allocations
+ used new xcalloc
+
+ Revision 1.13 2004/12/22 14:43:14 beck
+ made allocations C-like
+
+ Revision 1.12 2004/12/21 15:53:12 beck
+ removed GNUC constructs
+
+ Revision 1.11 2004/12/20 17:34:35 liekweg
+ fix recursion handling
+
+ Revision 1.10 2004/12/06 12:55:06 liekweg
+ actually iterate
+
+ Revision 1.9 2004/12/02 16:17:51 beck
+ fixed config.h include
+
+ Revision 1.8 2004/11/26 15:59:14 liekweg
+ recognize dummy loads
+
+ Revision 1.7 2004/11/24 14:53:56 liekweg
+ Bugfixes
+
Revision 1.6 2004/11/18 16:37:07 liekweg
rewrite