pto_init: Initialisation Functions
*/
+# include <assert.h>
# include <obstack.h>
+#ifdef HAVE_STRING_H
# include <string.h>
+#endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
# include "pto.h"
# include "pto_init.h"
# include "typewalk.h"
# include "irgwalk.h"
+# include "tv.h"
# include "xmalloc.h"
+# include "gnu_ext.h"
+
/* Local Defines: */
# define obstack_chunk_alloc xmalloc
# define obstack_chunk_free free
/* ===================================================
Local Implementation:
=================================================== */
-/* Allocate a new pto */
+/** Allocate a new pto */
static pto_t *new_pto (ir_node *node)
{
pto_t *pto = obstack_alloc (pto_obst, sizeof (pto_t));
return (pto);
}
-/* Allocate a new alloc_pto */
+/** Allocate a new alloc_pto */
static alloc_pto_t *new_alloc_pto (ir_node *alloc, int n_ctxs)
{
int i;
- alloc_pto_t *alloc_pto = obstack_alloc (pto_obst, sizeof(*alloc_pto));
+ alloc_pto_t *alloc_pto = obstack_alloc (pto_obst, sizeof (alloc_pto_t));
type *tp;
assert (op_Alloc == get_irn_op(alloc));
return (alloc_pto);
}
-/* Allocate a new pto for a symconst */
+/** Allocate a new pto for a symconst */
static pto_t* new_symconst_pto (ir_node *symconst)
{
pto_t *pto;
calculation, but if it's the mumble itself, it's just the same,
except it's presumably a constant of mumble. In any case, we need to
branch on this. "How's that for object fucking oriented? --jwz" */
- if (is_pointer_type (get_entity_type (ent))) {
+ if (is_Pointer_type (get_entity_type (ent))) {
desc = new_ent_name (ent);
- } else if (is_class_type (get_entity_type (ent))) {
+ } else if (is_Class_type (get_entity_type (ent))) {
desc = new_name (get_entity_type (ent), symconst, -1);
} else {
- fprintf (stderr, "new_symconst_pto(): not handled: %s[%li] (\"%s\")\n",
+ fprintf (stderr, "%s: not handled: %s[%li] (\"%s\")\n",
+ __FUNCTION__,
get_op_name (get_irn_op (symconst)),
get_irn_node_nr (symconst),
get_entity_name (ent));
if (is_type (thing)) {
type *tp = (type*) thing;
- if (is_class_type (tp)) {
- DBGPRINT (1, (stdout, "clear_type_link() (\"%s\")\n",
+ if (is_Class_type (tp)) {
+ DBGPRINT (1, (stdout, "%s (\"%s\")\n",
+ __FUNCTION__,
get_type_name (tp)));
set_type_link (tp, NULL);
} else if (is_entity (thing)) {
entity *ent = (entity*) thing;
- DBGPRINT (1, (stdout, "clear_type_link() (\"%s\")\n",
+ DBGPRINT (1, (stdout, "%s (\"%s\")\n",
+ __FUNCTION__,
get_entity_name (ent)));
set_entity_link (ent, NULL);
}
}
-/* Helper to pto_init_graph --- clear the links of the given node */
+/** Helper to pto_init_graph --- clear the links of the given node */
static void clear_node_link (ir_node *node, void *_unused)
{
set_irn_link (node, NULL);
}
-/* Helper to pto_init_graph --- clear the links of all nodes */
+/** Helper to pto_init_graph --- clear the links of all nodes */
static void clear_graph_links (ir_graph *graph)
{
irg_walk_graph (graph, clear_node_link, NULL, NULL);
}
-/* Reset ALL the pto values for a new pass */
+/** Reset ALL the pto values for a new pass */
static void reset_node_pto (ir_node *node, void *env)
{
reset_env_t *reset_env = (reset_env_t*) env;
alloc_pto_t *alloc_pto = (alloc_pto_t*) get_irn_link (node);
alloc_pto->curr_pto = alloc_pto->ptos [ctx_idx];
- DBGPRINT (1, (stdout, "reset_node_pto(): setting pto of \"%s[%li]\" for ctx %i\n",
+ DBGPRINT (1, (stdout, "%s: setting pto of \"%s[%li]\" for ctx %i\n",
+ __FUNCTION__,
OPNAME (node),
OPNUM (node),
ctx_idx));
assert (alloc_pto->curr_pto);
} break;
+ case (iro_Const):
case (iro_SymConst): {
/* nothing, leave as-is */
} break;
default: {
/* basically, nothing */
- DBGPRINT (2, (stdout, "reset_node_pto(): resetting pto of \"%s[%li]\"\n",
+ DBGPRINT (2, (stdout, "%s: resetting pto of \"%s[%li]\"\n",
+ __FUNCTION__,
OPNAME (node),
OPNUM (node)));
set_node_pto (node, NULL);
/* HERE ("end"); */
}
-/* Initialise primary name sources */
+/** Initialise primary name sources */
static void init_pto (ir_node *node, void *env)
{
init_env_t *init_env = (init_env_t*) env;
switch (op) {
case (iro_SymConst): {
- if (mode_is_reference(get_irn_mode (node))) {
+ if (mode_is_reference (get_irn_mode (node))) {
entity *ent = get_SymConst_entity (node);
type *tp = get_entity_type (ent);
- if (is_class_type (tp) || is_pointer_type (tp)) {
+ if (is_Class_type (tp) || is_Pointer_type (tp)) {
pto_t *symconst_pto = new_symconst_pto (node);
set_node_pto (node, symconst_pto);
/* debugging only */
- DBGPRINT (1, (stdout, "init_pto(): new name \"%s\" for \"%s[%li]\"\n",
+ DBGPRINT (1, (stdout, "%s: new name \"%s\" for \"%s[%li]\"\n",
+ __FUNCTION__,
get_entity_name (ent),
OPNAME (node),
OPNUM (node)));
set_alloc_pto (node, alloc_pto);
tp = get_Alloc_type (node); /* debugging only */
- DBGPRINT (1, (stdout, "init_pto(): %i names \"%s\" for \"%s[%li]\"\n",
+ DBGPRINT (1, (stdout, "%s: %i names \"%s\" for \"%s[%li]\"\n",
+ __FUNCTION__,
n_ctxs,
get_type_name (tp),
OPNAME (node),
OPNUM (node)));
} break;
+ case (iro_Const): {
+ tarval *tv = get_Const_tarval (node);
+
+ /* only need 'NULL' pointer constants */
+ if (mode_P == get_tarval_mode (tv)) {
+ if (get_tarval_null (mode_P) == tv) {
+ pto_t *pto = new_pto (node);
+ set_node_pto (node, pto);
+ }
+ }
+ } break;
case (iro_Load):
case (iro_Call):
case (iro_Phi):
}
-/* Initialise the given graph for a new pass run */
+/** Initialise the given graph for a new pass run */
static void pto_init_graph_allocs (ir_graph *graph)
{
graph_info_t *ginfo = ecg_get_info (graph);
- init_env_t init_env;
+ init_env_t *init_env;
- init_env.n_ctxs = ginfo->n_ctxs;
+ init_env = xmalloc (sizeof (init_env_t));
+ init_env->n_ctxs = ginfo->n_ctxs;
/* HERE ("start"); */
- irg_walk_graph (graph, init_pto, NULL, &init_env);
+ irg_walk_graph (graph, init_pto, NULL, init_env);
/* HERE ("end"); */
+ memset (init_env, 0x00, sizeof (init_env_t));
+ free (init_env);
}
/* ===================================================
/* 'main' has signature 'void(int, char[]*[]*)' */
assert (NULL == args [2]);
- assert (is_pointer_type (ctp));
+ assert (is_Pointer_type (ctp));
ctp = get_pointer_points_to_type (ctp); /* ctp == char[]*[] */
- assert (is_array_type (ctp));
+ assert (is_Array_type (ctp));
arg_desc = new_name (ctp, args [1], -1);
arg_pto = new_pto (args [1]);
set_node_pto (args [1], arg_pto);
- DBGPRINT (1, (stdout, "fake_main_args():%i (%s[%li])\n",
- __LINE__, OPNAME (args [1]), OPNUM (args [1])));
+ DBGPRINT (1, (stdout, "%s:%i (%s[%li])\n",
+ __FUNCTION__, __LINE__,
+ OPNAME (args [1]), OPNUM (args [1])));
# ifdef TEST_MAIN_TYPE
ctp = get_array_element_type (ctp); /* ctp == char[]* */
- assert (is_pointer_type (ctp));
+ assert (is_Pointer_type (ctp));
ctp = get_pointer_points_to_type (ctp); /* ctp == char[] */
- assert (is_array_type (ctp));
+ assert (is_Array_type (ctp));
ctp = get_array_element_type (ctp); /* ctp == char */
/* Initialise the Init module */
void pto_init_init (void)
{
- pto_obst = xmalloc(sizeof(*pto_obst));
+ pto_obst = (struct obstack*) xmalloc (sizeof (struct obstack));
obstack_init (pto_obst);
}
void pto_init_cleanup (void)
{
obstack_free (pto_obst, NULL);
- memset (pto_obst, 0, sizeof (*pto_obst));
+ memset (pto_obst, 0x00, sizeof (struct obstack));
free (pto_obst);
pto_obst = NULL;
}
/* Initialise the Names of the Types/Entities */
-void pto_init_type_names ()
+void pto_init_type_names (void)
{
/* HERE ("start"); */
type_walk (clear_type_link, NULL, NULL);
const char *ent_name = (char*) get_entity_name (ent);
const char *own_name = (char*) get_type_name (get_entity_owner (ent));
- DBGPRINT (2, (stdout, "pto_init_graph(): init \"%s.%s\" for %i ctxs\n",
+ DBGPRINT (2, (stdout, "%s: init \"%s.%s\" for %i ctxs\n",
+ __FUNCTION__,
own_name, ent_name, n_ctxs));
/* HERE ("start"); */
/* Reset the given graph for a new pass run */
void pto_reset_graph_pto (ir_graph *graph, int ctx_idx)
{
- reset_env_t reset_env;
- reset_env.ctx_idx = ctx_idx;
+ reset_env_t *reset_env;
+
+ reset_env = (reset_env_t*) xmalloc (sizeof (reset_env_t));
+ reset_env->ctx_idx = ctx_idx;
/* HERE ("start"); */
- irg_walk_graph (graph, reset_node_pto, NULL, &reset_env);
+ irg_walk_graph (graph, reset_node_pto, NULL, reset_env);
/* HERE ("end"); */
+ memset (reset_env, 0x00, sizeof (reset_env_t));
+ free (reset_env);
}
\f
/*
$Log$
+ Revision 1.20 2005/12/05 12:19:54 beck
+ added missing include <assert.h> (not anymore included in libFirm)
+
+ Revision 1.19 2005/06/17 17:42:32 beck
+ added doxygen docu
+ fixed (void) function headers
+
+ Revision 1.18 2005/02/16 13:27:52 beck
+ added needed tv.h include
+
+ Revision 1.17 2005/01/14 14:12:51 liekweg
+ prepare gnu extension fix
+
+ Revision 1.16 2005/01/14 13:36:50 liekweg
+ don't put environments on the stack; handle consts
+
+ Revision 1.15 2005/01/10 17:26:34 liekweg
+ fixup printfs, don't put environments on the stack
+
+ Revision 1.14 2005/01/05 14:25:54 beck
+ renames all is_x*_type() functions to is_X*_type() to prevent name clash with EDG fronten
+
Revision 1.13 2004/12/21 15:07:55 beck
removed C99 contructs
removed unnecessary allocation
projects / libfirm / blobdiff