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
*/
+# 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)
{
- assert (iro_Alloc == get_irn_opcode (alloc));
-
int i;
alloc_pto_t *alloc_pto = obstack_alloc (pto_obst, sizeof (alloc_pto_t));
- type *tp = get_Alloc_type (alloc);
+ type *tp;
+
+ assert (op_Alloc == get_irn_op(alloc));
+
+ tp = get_Alloc_type (alloc);
alloc_pto->ptos = (pto_t**) obstack_alloc (pto_obst, n_ctxs * sizeof (pto_t*));
for (i = 0; i < n_ctxs; i ++) {
- desc_t *desc = new_name (tp, alloc);
+ desc_t *desc = new_name (tp, alloc, i);
alloc_pto->ptos [i] = new_pto (alloc);
qset_insert (alloc_pto->ptos [i]->values, desc);
}
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)
{
- assert (iro_SymConst == get_irn_opcode (symconst));
+ pto_t *pto;
+ entity *ent;
+ desc_t *desc = NULL;
- pto_t *pto = new_pto (symconst);
- entity *ent = get_SymConst_entity (symconst);
- desc_t *desc = new_ent_name (ent);
+ assert (op_SymConst == get_irn_op(symconst));
+
+ pto = new_pto (symconst);
+ ent = get_SymConst_entity (symconst);
+
+ /*
+ const char *ent_name = (char*) get_entity_name (ent);
+ const char *own_name = (char*) get_type_name (get_entity_owner (ent));
+ HERE3 ("start", own_name, ent_name);
+ */
+ /* 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, -1);
+ } 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);
+ /* HERE3 ("end", own_name, ent_name); */
+
return (pto);
}
/* Helper to pto_init --- clear the link fields of class types */
-static void clear_type_link (type_or_ent *thing, void *__unused)
+static void clear_type_link (type_or_ent *thing, void *_unused)
{
if (is_type (thing)) {
type *tp = (type*) thing;
- if (is_class_type (tp)) {
+ if (is_Class_type (tp)) {
DBGPRINT (1, (stdout, "%s (\"%s\")\n",
- __FUNCTION__, get_type_name (tp)));
+ __FUNCTION__,
+ get_type_name (tp)));
set_type_link (tp, NULL);
}
entity *ent = (entity*) thing;
DBGPRINT (1, (stdout, "%s (\"%s\")\n",
- __FUNCTION__, get_entity_name (ent)));
+ __FUNCTION__,
+ get_entity_name (ent)));
set_entity_link (ent, NULL);
}
}
-/* Helper to pto_init_graph --- clear the links of the given node */
-static void clear_node_link (ir_node *node, void *__unused)
+/** 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;
int ctx_idx = reset_env->ctx_idx;
- const opcode op = get_irn_opcode (node);
+ opcode op = get_irn_opcode (node);
+
+ /* HERE ("start"); */
switch (op) {
case (iro_Load):
- case (iro_SymConst):
- 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 */
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 */
+/** Initialise primary name sources */
static void init_pto (ir_node *node, void *env)
{
init_env_t *init_env = (init_env_t*) env;
int n_ctxs = init_env->n_ctxs;
- const opcode op = get_irn_opcode (node);
+ opcode op = get_irn_opcode (node);
switch (op) {
case (iro_SymConst): {
- const symconst_kind kind = get_SymConst_kind (node);
-
- if ((kind == symconst_addr_name) || (kind == symconst_addr_ent)) {
+ 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)) {
+ pto_t *symconst_pto = new_symconst_pto (node);
+ set_node_pto (node, symconst_pto);
- if (is_pointer_type (get_entity_type (ent))) {
- DBGPRINT (0, (stdout, "%s: new name \"%s\" for symconst \"%s[%li]\"\n",
+ /* debugging only */
+ DBGPRINT (1, (stdout, "%s: new name \"%s\" for \"%s[%li]\"\n",
__FUNCTION__,
get_entity_name (ent),
OPNAME (node),
OPNUM (node)));
-
- pto_t *symconst_pto = new_symconst_pto (node);
- set_node_pto (node, symconst_pto);
}
}
} break;
+
case (iro_Alloc): {
- type *tp = get_Alloc_type (node); /* debugging only */
alloc_pto_t *alloc_pto = new_alloc_pto (node, n_ctxs);
+ type *tp;
+
set_alloc_pto (node, alloc_pto);
- DBGPRINT (0, (stdout, "%s: %i names \"%s\" for alloc \"%s[%li]\"\n",
+ tp = get_Alloc_type (node); /* debugging only */
+ DBGPRINT (1, (stdout, "%s: %i names \"%s\" for \"%s[%li]\"\n",
__FUNCTION__,
n_ctxs,
get_type_name (tp),
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):
- case (iro_Const):
/* nothing --- handled by reset_node_pto on each pass */
break;
default: {
}
-/* 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);
- int n_ctxs = ginfo->n_ctxs;
+ init_env_t *init_env;
- init_env_t *init_env = xmalloc (sizeof (init_env_t));
- init_env->n_ctxs = n_ctxs;
+ init_env = xmalloc (sizeof (init_env_t));
+ init_env->n_ctxs = ginfo->n_ctxs;
- HERE ("start");
+ /* HERE ("start"); */
irg_walk_graph (graph, init_pto, NULL, init_env);
+ /* HERE ("end"); */
memset (init_env, 0x00, sizeof (init_env_t));
free (init_env);
-
- 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);
ir_node **args = find_irg_args (graph);
type *ctp = get_method_param_type (mtp, 1); /* ctp == char[]*[]* */
+ desc_t *arg_desc;
+ pto_t *arg_pto;
/* '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));
- desc_t *arg_desc = new_name (ctp, args [1]);
- pto_t *arg_pto = new_pto (args [1]);
+ arg_desc = new_name (ctp, args [1], -1);
+ arg_pto = new_pto (args [1]);
/* todo: simulate 'store' to arg1[] ?!? */
qset_insert (arg_pto->values, arg_desc);
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_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 */
assert (is_primitive_type (ctp));
# endif /* defined TEST_MAIN_TYPE */
- HERE ("end");
+ /* HERE ("end"); */
}
/* Initialise the Init module */
-void pto_init_init ()
+void pto_init_init (void)
{
pto_obst = (struct obstack*) xmalloc (sizeof (struct obstack));
}
/* Cleanup the Init module */
-void pto_init_cleanup ()
+void pto_init_cleanup (void)
{
obstack_free (pto_obst, NULL);
memset (pto_obst, 0x00, sizeof (struct obstack));
/* Initialise the Names of the Types/Entities */
-void pto_init_type_names ()
+void pto_init_type_names (void)
{
- HERE ("start");
+ /* HERE ("start"); */
type_walk (clear_type_link, NULL, NULL);
- HERE ("end");
+ /* HERE ("end"); */
}
/* Initialise the given graph for a new pass run */
void pto_init_graph (ir_graph *graph)
{
+ ir_node **proj_args;
graph_info_t *ginfo = ecg_get_info (graph);
const int n_ctxs = ginfo->n_ctxs;
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 (2, (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"); */
+
+ assert (NULL == get_irg_proj_args (graph));
+ proj_args = find_irg_args (graph);
+ set_irg_proj_args (graph, proj_args);
+ assert (proj_args == get_irg_proj_args (graph));
}
/* Reset the given graph for a new pass run */
void pto_reset_graph_pto (ir_graph *graph, int ctx_idx)
{
- HERE ("start");
+ reset_env_t *reset_env;
- reset_env_t *reset_env = (reset_env_t*) xmalloc (sizeof (reset_env_t));
+ 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);
+ /* HERE ("end"); */
memset (reset_env, 0x00, sizeof (reset_env_t));
free (reset_env);
- HERE ("end");
}
\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
+ removed use of mode_P, use mode_is_reference() instead
+ removed handling of Const with pointer tarvals, these constructs are removed
+
+ Revision 1.12 2004/12/20 17:41:14 liekweg
+ __unused -> _unused
+
+ Revision 1.11 2004/12/20 17:34:35 liekweg
+ fix recursion handling
+
+ Revision 1.10 2004/12/15 13:31:00 liekweg
+ store ctx idx in names
+
+ Revision 1.9 2004/12/15 09:18:18 liekweg
+ pto_name.c
+
+ 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