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_init: Initialisation Functions
pto_t *pto = new_pto (symconst);
entity *ent = get_SymConst_entity (symconst);
- desc_t *desc = new_ent_name (ent);
+ desc_t *desc = NULL;
+
+ /* ok, so if the symconst has a pointer-to-mumble, it's some address
+ 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))) {
+ desc = new_ent_name (ent);
+ } else if (is_class_type (get_entity_type (ent))) {
+ desc = new_name (get_entity_type (ent), symconst);
+ } else {
+ 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));
+ assert (0 && "something not handled");
+ }
qset_insert (pto->values, desc);
return (pto);
}
+/* Allocate a new pto for a constant */
+static pto_t *new_const_pto (ir_node *cnst)
+{
+ assert (iro_Const == get_irn_opcode (cnst));
+ assert (mode_P == get_irn_mode (cnst));
+
+ static pto_t *cnst_pto = NULL;
+
+ /* since 'store's and 'load's via a NULL pointer are hardly ever
+ successful, we get away with an empty set */
+
+ tarval *tv = get_Const_tarval (cnst);
+
+ assert (tv == get_tarval_null (mode_P));
+
+ if (NULL == cnst_pto) {
+ cnst_pto = new_pto (cnst);
+ }
+
+ return (cnst_pto);
+}
+
+
/* Helper to pto_init --- clear the link fields of class types */
static void clear_type_link (type_or_ent *thing, void *__unused)
{
int ctx_idx = reset_env->ctx_idx;
const opcode op = get_irn_opcode (node);
+ /* HERE ("start"); */
+
switch (op) {
case (iro_Load):
- case (iro_SymConst):
- case (iro_Const):
+ /* case (iro_Const): */
case (iro_Call):
+ case (iro_Block): /* END BLOCK only */
case (iro_Phi): {
/* allocate 'empty' pto values */
pto_t *pto = new_pto (node);
set_node_pto (node, pto);
- } break;
+ } break;
case (iro_Alloc): {
/* set alloc to 'right' current pto */
+
+ /* HERE ("alloc"); */
+
alloc_pto_t *alloc_pto = (alloc_pto_t*) get_irn_link (node);
alloc_pto->curr_pto = alloc_pto->ptos [ctx_idx];
+
+ 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: {
- /* nothing */
+ /* basically, nothing */
+ DBGPRINT (2, (stdout, "%s: resetting pto of \"%s[%li]\"\n",
+ __FUNCTION__,
+ OPNAME (node),
+ OPNUM (node)));
+ set_node_pto (node, NULL);
} break;
}
+
+ /* HERE ("end"); */
}
/* Temporary fix until we get 'real' ptos: Allocate some dummy for pto */
switch (op) {
case (iro_SymConst): {
- const symconst_kind kind = get_SymConst_kind (node);
-
- if ((kind == symconst_addr_name) || (kind == symconst_addr_ent)) {
+ if (mode_P == get_irn_mode (node)) {
+ /* debugging only */
entity *ent = get_SymConst_entity (node);
-
- if (is_pointer_type (get_entity_type (ent))) {
- DBGPRINT (0, (stdout, "%s: new name \"%s\" for symconst \"%s[%li]\"\n",
+ if (is_class_type (get_entity_type (ent)) ||
+ is_pointer_type (get_entity_type (ent))) {
+ DBGPRINT (1, (stdout, "%s: new name \"%s\" for \"%s[%li]\"\n",
__FUNCTION__,
get_entity_name (ent),
OPNAME (node),
alloc_pto_t *alloc_pto = new_alloc_pto (node, n_ctxs);
set_alloc_pto (node, alloc_pto);
- DBGPRINT (0, (stdout, "%s: %i names \"%s\" for alloc \"%s[%li]\"\n",
+ DBGPRINT (1, (stdout, "%s: %i names \"%s\" for \"%s[%li]\"\n",
__FUNCTION__,
n_ctxs,
get_type_name (tp),
OPNUM (node)));
} break;
+ case (iro_Const): {
+ if (mode_P == get_irn_mode (node)) {
+ pto_t *pto = new_const_pto (node);
+ set_node_pto (node, pto);
+ }
+ } break;
+
case (iro_Load):
case (iro_Call):
case (iro_Phi):
- case (iro_Const):
/* nothing --- handled by reset_node_pto on each pass */
break;
default: {
init_env_t *init_env = xmalloc (sizeof (init_env_t));
init_env->n_ctxs = n_ctxs;
- HERE ("start");
+ /* HERE ("start"); */
irg_walk_graph (graph, init_pto, NULL, init_env);
memset (init_env, 0x00, sizeof (init_env_t));
free (init_env);
- HERE ("end");
+ /* HERE ("end"); */
}
/* ===================================================
/* "Fake" the arguments to the main method */
void fake_main_args (ir_graph *graph)
{
- HERE ("start");
+ /* HERE ("start"); */
entity *ent = get_irg_entity (graph);
type *mtp = get_entity_type (ent);
set_node_pto (args [1], arg_pto);
+ 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_primitive_type (ctp));
# endif /* defined TEST_MAIN_TYPE */
- HERE ("end");
+ /* HERE ("end"); */
}
/* Initialise the Init module */
/* Initialise the Names of the Types/Entities */
void pto_init_type_names ()
{
- HERE ("start");
+ /* HERE ("start"); */
type_walk (clear_type_link, NULL, NULL);
- HERE ("end");
+ /* HERE ("end"); */
}
/* Initialise the given graph for a new pass run */
const char *ent_name = (char*) get_entity_name (ent);
const char *own_name = (char*) get_type_name (get_entity_owner (ent));
- DBGPRINT (0, (stdout, "%s: init \"%s.%s\" for %i ctxs\n", __FUNCTION__,
+ DBGPRINT (1, (stdout, "%s: init \"%s.%s\" for %i ctxs\n", __FUNCTION__,
own_name, ent_name, n_ctxs));
- HERE ("start");
+ /* HERE ("start"); */
clear_graph_links (graph);
pto_init_graph_allocs (graph);
- HERE ("end");
+ /* HERE ("end"); */
}
/* Reset the given graph for a new pass run */
void pto_reset_graph_pto (ir_graph *graph, int ctx_idx)
{
- HERE ("start");
+ /* HERE ("start"); */
reset_env_t *reset_env = (reset_env_t*) xmalloc (sizeof (reset_env_t));
reset_env->ctx_idx = ctx_idx;
memset (reset_env, 0x00, sizeof (reset_env_t));
free (reset_env);
- HERE ("end");
+ /* HERE ("end"); */
}
\f
/*
$Log$
+ Revision 1.8 2004/12/02 16:17:51 beck
+ fixed config.h include
+
+ Revision 1.7 2004/11/30 14:47:54 liekweg
+ fix initialisation; do correct iteration
+
+ Revision 1.6 2004/11/26 16:00:41 liekweg
+ recognize class consts vs. ptr-to-class consts
+
Revision 1.5 2004/11/24 14:53:56 liekweg
Bugfixes
projects / libfirm / blobdiff