/*
- * Project: libFIRM
- * File name: ir/tr/entity.c
- * Purpose: Representation of all program known entities.
- * Author: Martin Trapp, Christian Schaefer
- * Modified by: Goetz Lindenmaier
- * Created:
- * CVS-ID: $Id$
- * Copyright: (c) 1998-2003 Universität Karlsruhe
- * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
*/
-#include "firm_common_t.h"
+/**
+ * @file
+ * @brief Representation of all program known entities.
+ * @author Martin Trapp, Christian Schaefer, Goetz Lindenmaier, Michael Beck
+ * @version $Id$
+ */
+#include "config.h"
+
+#include <string.h>
+#include <stdlib.h>
+#include <stddef.h>
+
+#include "xmalloc.h"
+#include "entity_t.h"
+#include "array.h"
+#include "irtools.h"
+#include "irhooks.h"
+#include "irprintf.h"
+
+#include "irprog_t.h"
+#include "ircons.h"
+#include "tv_t.h"
+#include "irdump.h"
+#include "irgraph_t.h"
+#include "callgraph.h"
+#include "error.h"
+#include "compound_path.h"
-# include <stdlib.h>
-# include <stddef.h>
-# include <string.h>
+/*-----------------------------------------------------------------*/
+/** general **/
+/*-----------------------------------------------------------------*/
-# include "entity_t.h"
-# include "mangle.h"
-# include "typegmod.h"
-# include "array.h"
+ir_entity *unknown_entity = NULL;
-/* All this is needed to build the constant node for methods: */
-# include "irprog_t.h"
-# include "ircons.h"
-# include "tv_t.h"
+ir_entity *get_unknown_entity(void) { return unknown_entity; }
-#if DEBUG_libfirm
-# include "irdump.h" /* for output if errors occur. */
+/** The name of the unknown entity. */
+#define UNKNOWN_ENTITY_NAME "unknown_entity"
+
+/*-----------------------------------------------------------------*/
+/* ENTITY */
+/*-----------------------------------------------------------------*/
+
+ir_entity *new_d_entity(ir_type *owner, ident *name, ir_type *type,
+ dbg_info *db)
+{
+ ir_entity *res;
+ ir_graph *rem;
+
+ assert(!id_contains_char(name, ' ') && "entity name should not contain spaces");
+
+ res = XMALLOCZ(ir_entity);
+
+ res->kind = k_entity;
+ res->name = name;
+ res->ld_name = NULL;
+ res->type = type;
+ res->owner = owner;
+
+ res->volatility = volatility_non_volatile;
+ res->aligned = align_is_aligned;
+ res->usage = ir_usage_unknown;
+ res->compiler_gen = 0;
+ res->visibility = ir_visibility_default;
+ res->offset = -1;
+ res->offset_bit_remainder = 0;
+ res->alignment = 0;
+ res->link = NULL;
+ res->repr_class = NULL;
+
+ if (is_Method_type(type)) {
+ symconst_symbol sym;
+ ir_mode *mode = is_Method_type(type) ? mode_P_code : mode_P_data;
+ sym.entity_p = res;
+ rem = current_ir_graph;
+ current_ir_graph = get_const_code_irg();
+ set_atomic_ent_value(res, new_SymConst(mode, sym, symconst_addr_ent));
+ current_ir_graph = rem;
+ res->linkage = IR_LINKAGE_CONSTANT;
+ res->attr.mtd_attr.irg_add_properties = mtp_property_inherited;
+ res->attr.mtd_attr.vtable_number = IR_VTABLE_NUM_NOT_SET;
+ res->attr.mtd_attr.param_access = NULL;
+ res->attr.mtd_attr.param_weight = NULL;
+ res->attr.mtd_attr.irg = NULL;
+ } else if (is_compound_type(type)) {
+ res->attr.cmpd_attr.values = NULL;
+ res->attr.cmpd_attr.val_paths = NULL;
+ } else if (is_code_type(type)) {
+ res->attr.code_attr.label = (ir_label_t) -1;
+ }
+
+ /* Remember entity in it's owner. */
+ if (owner != NULL)
+ add_compound_member(owner, res);
+
+#ifdef DEBUG_libfirm
+ res->nr = get_irp_new_node_nr();
#endif
-# include "callgraph.h" /* for dumping debug output */
+ res->visit = 0;
+ set_entity_dbg_info(res, db);
-/*******************************************************************/
-/** general **/
-/*******************************************************************/
+ hook_new_entity(res);
+
+ return res;
+}
-void
-init_entity (void)
+ir_entity *new_entity(ir_type *owner, ident *name, ir_type *type)
{
+ return new_d_entity(owner, name, type, NULL);
}
-/*-----------------------------------------------------------------*/
-/* ENTITY */
-/*-----------------------------------------------------------------*/
+/**
+ * Free entity attributes.
+ *
+ * @param ent the entity
+ */
+static void free_entity_attrs(ir_entity *ent)
+{
+ if (ent->overwrites != NULL) {
+ DEL_ARR_F(ent->overwrites);
+ ent->overwrites = NULL;
+ }
+ if (ent->overwrittenby != NULL) {
+ DEL_ARR_F(ent->overwrittenby);
+ ent->overwrittenby = NULL;
+ }
+
+ if (ent->initializer != NULL) {
+ /* TODO: free initializers */
+ } else if (entity_has_compound_ent_values(ent)) {
+ /* can't free compound graph path as it might be used
+ * multiple times */
+ ent->attr.cmpd_attr.val_paths = NULL;
+ }
+ if (is_compound_entity(ent)) {
+ ent->attr.cmpd_attr.values = NULL;
+ } else if (is_method_entity(ent)) {
+ if (ent->attr.mtd_attr.param_access) {
+ DEL_ARR_F(ent->attr.mtd_attr.param_access);
+ ent->attr.mtd_attr.param_access = NULL;
+ }
+ if (ent->attr.mtd_attr.param_weight) {
+ DEL_ARR_F(ent->attr.mtd_attr.param_weight);
+ ent->attr.mtd_attr.param_weight = NULL;
+ }
+ }
+}
-static void insert_entity_in_owner (entity *ent) {
- type *owner = ent->owner;
- switch (get_type_tpop_code(owner)) {
- case tpo_class: {
- add_class_member (owner, ent);
- } break;
- case tpo_struct: {
- add_struct_member (owner, ent);
- } break;
- case tpo_union: {
- add_union_member (owner, ent);
- } break;
- case tpo_array: {
- set_array_element_entity(owner, ent);
- } break;
- default: assert(0);
- }
-}
-
-entity *
-new_entity (type *owner, ident *name, type *type)
-{
- entity *res;
- ir_graph *rem;
-
- assert(!id_contains_char(name, ' ') && "entity name should not contain spaces");
-
- res = (entity *) xmalloc (sizeof (entity));
- res->kind = k_entity;
- assert_legal_owner_of_ent(owner);
- res->owner = owner;
- res->name = name;
- res->type = type;
-
- if (get_type_tpop(type) == type_method)
- res->allocation = allocation_static;
- else
- res->allocation = allocation_automatic;
-
- res->visibility = visibility_local;
- res->offset = -1;
- if (is_method_type(type)) {
- symconst_symbol sym;
- sym.entity_p = res;
- res->variability = variability_constant;
- rem = current_ir_graph;
- current_ir_graph = get_const_code_irg();
- res->value = new_SymConst(sym, symconst_addr_ent);
- current_ir_graph = rem;
- } else {
- res->variability = variability_uninitialized;
- res->value = NULL;
- res->values = NULL;
- res->val_paths = NULL;
- }
- res->peculiarity = peculiarity_existent;
- res->volatility = volatility_non_volatile;
- res->stickyness = stickyness_unsticky;
- res->ld_name = NULL;
- if (is_class_type(owner)) {
- res->overwrites = NEW_ARR_F(entity *, 0);
- res->overwrittenby = NEW_ARR_F(entity *, 0);
- } else {
- res->overwrites = NULL;
- res->overwrittenby = NULL;
- }
- res->irg = NULL;
-
- res->accesses = NULL;
+/**
+ * Creates a deep copy of an entity.
+ */
+static ir_entity *deep_entity_copy(ir_entity *old)
+{
+ ir_entity *newe = XMALLOC(ir_entity);
+
+ *newe = *old;
+ if (old->initializer != NULL) {
+ /* FIXME: the initializers are NOT copied */
+ } else if (entity_has_compound_ent_values(old)) {
+ newe->attr.cmpd_attr.values = NULL;
+ newe->attr.cmpd_attr.val_paths = NULL;
+ if (old->attr.cmpd_attr.values)
+ newe->attr.cmpd_attr.values = DUP_ARR_F(ir_node *, old->attr.cmpd_attr.values);
+
+ /* FIXME: the compound graph paths are NOT copied */
+ if (old->attr.cmpd_attr.val_paths)
+ newe->attr.cmpd_attr.val_paths = DUP_ARR_F(compound_graph_path *, old->attr.cmpd_attr.val_paths);
+ } else if (is_method_entity(old)) {
+ /* do NOT copy them, reanalyze. This might be the best solution */
+ newe->attr.mtd_attr.param_access = NULL;
+ newe->attr.mtd_attr.param_weight = NULL;
+ }
+ newe->overwrites = NULL;
+ newe->overwrittenby = NULL;
#ifdef DEBUG_libfirm
- res->nr = get_irp_new_node_nr();
- res->c_name = (char*) get_id_str (name);
-#endif /* DEBUG_libfirm */
-
- res->visit = 0;
-
- /* Remember entity in it's owner. */
- insert_entity_in_owner (res);
- return res;
-}
-entity *
-new_d_entity (type *owner, ident *name, type *type, dbg_info *db) {
- entity *res = new_entity(owner, name, type);
- set_entity_dbg_info(res, db);
- return res;
-}
-
-static void free_entity_attrs(entity *ent) {
- int i;
- if (get_type_tpop(get_entity_owner(ent)) == type_class) {
- DEL_ARR_F(ent->overwrites); ent->overwrites = NULL;
- DEL_ARR_F(ent->overwrittenby); ent->overwrittenby = NULL;
- } else {
- assert(ent->overwrites == NULL);
- assert(ent->overwrittenby == NULL);
- }
- /* if (ent->values) DEL_ARR_F(ent->values); *//* @@@ warum nich? */
- if (ent->val_paths) {
- if (is_compound_entity(ent))
- for (i = 0; i < get_compound_ent_n_values(ent); i++)
- if (ent->val_paths[i]) ;
- /* free_compound_graph_path(ent->val_paths[i]) ; * @@@ warum nich? */
- /* Geht nich: wird mehrfach verwendet!!! ==> mehrfach frei gegeben. */
- /* DEL_ARR_F(ent->val_paths); */
- }
- ent->val_paths = NULL;
- ent->values = NULL;
-}
-
-entity *
-copy_entity_own (entity *old, type *new_owner) {
- entity *new;
- assert(old && old->kind == k_entity);
- assert_legal_owner_of_ent(new_owner);
-
- if (old->owner == new_owner) return old;
- new = (entity *) xmalloc (sizeof (entity));
- memcpy (new, old, sizeof (entity));
- new->owner = new_owner;
- if (is_class_type(new_owner)) {
- new->overwrites = NEW_ARR_F(entity *, 0);
- new->overwrittenby = NEW_ARR_F(entity *, 0);
- }
-#ifdef DEBUG_libfirm
- new->nr = get_irp_new_node_nr();
+ newe->nr = get_irp_new_node_nr();
#endif
+ return newe;
+}
- insert_entity_in_owner (new);
+/*
+ * Copies the entity if the new_owner is different from the
+ * owner of the old entity, else returns the old entity.
+ */
+ir_entity *copy_entity_own(ir_entity *old, ir_type *new_owner)
+{
+ ir_entity *newe;
+ assert(is_entity(old));
+ assert(is_compound_type(new_owner));
+ assert(get_type_state(new_owner) != layout_fixed);
+
+ if (old->owner == new_owner)
+ return old;
+
+ /* create a deep copy so we are safe of aliasing and double-freeing. */
+ newe = deep_entity_copy(old);
+ newe->owner = new_owner;
+ add_compound_member(new_owner, newe);
- return new;
+ return newe;
}
-entity *
-copy_entity_name (entity *old, ident *new_name) {
- entity *new;
- assert(old && old->kind == k_entity);
+ir_entity *copy_entity_name(ir_entity *old, ident *new_name)
+{
+ ir_entity *newe;
+ assert(old && old->kind == k_entity);
- if (old->name == new_name) return old;
- new = (entity *) xmalloc (sizeof (entity));
- memcpy (new, old, sizeof (entity));
- new->name = new_name;
- new->ld_name = NULL;
- if (is_class_type(new->owner)) {
- new->overwrites = DUP_ARR_F(entity *, old->overwrites);
- new->overwrittenby = DUP_ARR_F(entity *, old->overwrittenby);
- }
-#ifdef DEBUG_libfirm
- new->nr = get_irp_new_node_nr();
- new->c_name = get_id_str (new->name);
-#endif
+ if (old->name == new_name)
+ return old;
- insert_entity_in_owner (new);
+ newe = deep_entity_copy(old);
+ newe->name = new_name;
+ newe->ld_name = NULL;
+ add_compound_member(old->owner, newe);
- return new;
+ return newe;
}
+void free_entity(ir_entity *ent)
+{
+ if (ent->owner != NULL && !is_Array_type(ent->owner))
+ remove_compound_member(ent->owner, ent);
-void
-free_entity (entity *ent) {
- assert(ent && ent->kind == k_entity);
- free_entity_attrs(ent);
- ent->kind = k_BAD;
- free(ent);
+ assert(ent && ent->kind == k_entity);
+ free_entity_attrs(ent);
+ ent->kind = k_BAD;
+ xfree(ent);
}
/* Outputs a unique number for this node */
-long
-get_entity_nr(entity *ent) {
- assert(ent && ent->kind == k_entity);
+long get_entity_nr(const ir_entity *ent)
+{
+ assert(ent && ent->kind == k_entity);
#ifdef DEBUG_libfirm
- return ent->nr;
+ return ent->nr;
#else
- return 0;
+ return (long)PTR_TO_INT(ent);
#endif
}
-const char *
-(get_entity_name)(const entity *ent) {
- return __get_entity_name(ent);
+const char *(get_entity_name)(const ir_entity *ent)
+{
+ return _get_entity_name(ent);
}
-ident *
-(get_entity_ident)(const entity *ent) {
- return get_entity_ident(ent);
+ident *(get_entity_ident)(const ir_entity *ent)
+{
+ return _get_entity_ident(ent);
}
-/*
-void set_entitye_ld_name (entity *, char *ld_name);
-void set_entity_ld_ident (entity *, ident *ld_ident);
-*/
-
-type *
-(get_entity_owner)(entity *ent) {
- return __get_entity_owner(ent);
+void (set_entity_ident)(ir_entity *ent, ident *id)
+{
+ _set_entity_ident(ent, id);
}
-void
-set_entity_owner (entity *ent, type *owner) {
- assert(ent && ent->kind == k_entity);
- assert_legal_owner_of_ent(owner);
- ent->owner = owner;
+ir_type *(get_entity_owner)(const ir_entity *ent)
+{
+ return _get_entity_owner(ent);
}
-void /* should this go into type.c? */
-assert_legal_owner_of_ent(type *owner) {
- assert(get_type_tpop_code(owner) == tpo_class ||
- get_type_tpop_code(owner) == tpo_union ||
- get_type_tpop_code(owner) == tpo_struct ||
- get_type_tpop_code(owner) == tpo_array); /* Yes, array has an entity
- -- to select fields! */
+void set_entity_owner(ir_entity *ent, ir_type *owner)
+{
+ assert(is_entity(ent));
+ assert(is_compound_type(owner));
+
+ remove_compound_member(ent->owner, ent);
+ add_compound_member(owner, ent);
+ ent->owner = owner;
}
-ident *
-(get_entity_ld_ident)(entity *ent) {
- return __get_entity_ld_ident(ent);
+ident *(get_entity_ld_ident)(const ir_entity *ent)
+{
+ return _get_entity_ld_ident(ent);
}
-void
-(set_entity_ld_ident)(entity *ent, ident *ld_ident) {
- __set_entity_ld_ident(ent, ld_ident);
+void (set_entity_ld_ident)(ir_entity *ent, ident *ld_ident)
+{
+ _set_entity_ld_ident(ent, ld_ident);
}
-const char *
-(get_entity_ld_name)(entity *ent) {
- return __get_entity_ld_name(ent);
+const char *(get_entity_ld_name)(const ir_entity *ent)
+{
+ return _get_entity_ld_name(ent);
}
-type *
-(get_entity_type)(entity *ent) {
- return __get_entity_type(ent);
+ir_type *(get_entity_type)(const ir_entity *ent)
+{
+ return _get_entity_type(ent);
}
-void
-(set_entity_type)(entity *ent, type *type) {
- __set_entity_type(ent, type);
+void (set_entity_type)(ir_entity *ent, ir_type *type)
+{
+ _set_entity_type(ent, type);
}
-ent_allocation
-(get_entity_allocation)(const entity *ent) {
- return __get_entity_allocation(ent);
+ir_volatility (get_entity_volatility)(const ir_entity *ent)
+{
+ return _get_entity_volatility(ent);
}
-void
-(set_entity_allocation)(entity *ent, ent_allocation al) {
- __set_entity_allocation(ent, al);
+void (set_entity_volatility)(ir_entity *ent, ir_volatility vol)
+{
+ _set_entity_volatility(ent, vol);
}
-/* return the name of the visibility */
-const char *get_allocation_name(ent_allocation all)
+/* Return the name of the volatility. */
+const char *get_volatility_name(ir_volatility var)
{
#define X(a) case a: return #a
- switch (all) {
- X(allocation_automatic);
- X(allocation_parameter);
- X(allocation_dynamic);
- X(allocation_static);
+ switch (var) {
+ X(volatility_non_volatile);
+ X(volatility_is_volatile);
default: return "BAD VALUE";
- }
+ }
#undef X
}
+ir_align (get_entity_aligned)(const ir_entity *ent)
+{
+ return _get_entity_aligned(ent);
+}
+
+void (set_entity_aligned)(ir_entity *ent, ir_align a)
+{
+ _set_entity_aligned(ent, a);
+}
-ent_visibility
-(get_entity_visibility)(const entity *ent) {
- return __get_entity_visibility(ent);
+unsigned (get_entity_alignment)(const ir_entity *ent)
+{
+ return _get_entity_alignment(ent);
}
-void
-set_entity_visibility (entity *ent, ent_visibility vis) {
- assert(ent && ent->kind == k_entity);
- if (vis != visibility_local)
- assert((ent->allocation == allocation_static) ||
- (ent->allocation == allocation_automatic));
- /* @@@ Test that the owner type is not local, but how??
- && get_class_visibility(get_entity_owner(ent)) != local));*/
- ent->visibility = vis;
+void (set_entity_alignment)(ir_entity *ent, unsigned alignment)
+{
+ _set_entity_alignment(ent, alignment);
}
-/* return the name of the visibility */
-const char *get_visibility_name(ent_visibility vis)
+/* Return the name of the alignment. */
+const char *get_align_name(ir_align a)
{
#define X(a) case a: return #a
- switch (vis) {
- X(visibility_local);
- X(visibility_external_visible);
- X(visibility_external_allocated);
- default: return "BAD VALUE";
- }
+ switch (a) {
+ X(align_non_aligned);
+ X(align_is_aligned);
+ default: return "BAD VALUE";
+ }
#undef X
}
-ent_variability
-(get_entity_variability)(const entity *ent) {
- return __get_entity_variability(ent);
+void set_entity_label(ir_entity *ent, ir_label_t label)
+{
+ ent->attr.code_attr.label = label;
}
-void
-set_entity_variability (entity *ent, ent_variability var)
+ir_label_t get_entity_label(const ir_entity *ent)
{
- assert(ent && ent->kind == k_entity);
- if (var == variability_part_constant)
- assert(is_class_type(ent->type) || is_struct_type(ent->type));
+ return ent->attr.code_attr.label;
+}
- if ((is_compound_type(ent->type)) &&
- (ent->variability == variability_uninitialized) && (var != variability_uninitialized)) {
- /* Allocate datastructures for constant values */
- ent->values = NEW_ARR_F(ir_node *, 0);
- ent->val_paths = NEW_ARR_F(compound_graph_path *, 0);
- }
- if ((is_atomic_type(ent->type)) &&
- (ent->variability == variability_uninitialized) && (var != variability_uninitialized)) {
- /* Set default constant value. */
- ent->value = new_rd_Unknown(get_const_code_irg(), get_type_mode(ent->type));
- }
+static void verify_visibility(const ir_entity *entity)
+{
+ if (get_entity_visibility(entity) == ir_visibility_external
+ && !is_method_entity(entity)) {
+ assert(!entity_has_definition(entity));
+ }
+}
- if ((is_compound_type(ent->type)) &&
- (var == variability_uninitialized) && (ent->variability != variability_uninitialized)) {
- /* Free datastructures for constant values */
- DEL_ARR_F(ent->values); ent->values = NULL;
- DEL_ARR_F(ent->val_paths); ent->val_paths = NULL;
- }
- ent->variability = var;
+void set_entity_visibility(ir_entity *entity, ir_visibility visibility)
+{
+ entity->visibility = visibility;
+ verify_visibility(entity);
}
-/* return the name of the variablity */
-const char *get_variability_name(ent_variability var)
+ir_visibility get_entity_visibility(const ir_entity *entity)
{
-#define X(a) case a: return #a
- switch (var) {
- X(variability_uninitialized);
- X(variability_initialized);
- X(variability_part_constant);
- X(variability_constant);
- default: return "BAD VALUE";
- }
-#undef X
+ return entity->visibility;
}
-ent_volatility
-(get_entity_volatility)(const entity *ent) {
- return __get_entity_volatility(ent);
+void set_entity_linkage(ir_entity *entity, ir_linkage linkage)
+{
+ entity->linkage = linkage;
}
-void
-(set_entity_volatility)(entity *ent, ent_volatility vol) {
- __set_entity_volatility(ent, vol);
+ir_linkage (get_entity_linkage)(const ir_entity *entity)
+{
+ return get_entity_linkage(entity);
}
-/* return the name of the volatility */
-const char *get_volatility_name(ent_volatility var)
+void add_entity_linkage(ir_entity *entity, ir_linkage linkage)
{
-#define X(a) case a: return #a
- switch (var) {
- X(volatility_non_volatile);
- X(volatility_is_volatile);
- default: return "BAD VALUE";
- }
-#undef X
+ entity->linkage |= linkage;
}
-peculiarity
-(get_entity_peculiarity)(const entity *ent) {
- return __get_entity_peculiarity(ent);
+void remove_entity_linkage(ir_entity *entity, ir_linkage linkage)
+{
+ entity->linkage &= ~linkage;
}
-void
-(set_entity_peculiarity)(entity *ent, peculiarity pec) {
- __set_entity_peculiarity(ent, pec);
+/* Checks if an entity is compiler generated */
+int (is_entity_compiler_generated)(const ir_entity *ent)
+{
+ return _is_entity_compiler_generated(ent);
}
-/* return the name of the peculiarity */
-const char *get_peculiarity_name(peculiarity var)
+/* Sets/resets the compiler generated flag */
+void (set_entity_compiler_generated)(ir_entity *ent, int flag)
{
-#define X(a) case a: return #a
- switch (var) {
- X(peculiarity_description);
- X(peculiarity_inherited);
- X(peculiarity_existent);
- default: return "BAD VALUE";
- }
-#undef X
+ _set_entity_compiler_generated(ent, flag);
}
-/* Get the entity's stickyness */
-ent_stickyness
-(get_entity_stickyness)(const entity *ent) {
- return __get_entity_stickyness(ent);
+ir_entity_usage (get_entity_usage)(const ir_entity *ent)
+{
+ return _get_entity_usage(ent);
}
-/* Set the entity's stickyness */
-void
-(set_entity_stickyness)(entity *ent, ent_stickyness stickyness) {
- __set_entity_stickyness(ent, stickyness);
+void (set_entity_usage)(ir_entity *ent, ir_entity_usage flags)
+{
+ _set_entity_usage(ent, flags);
}
/* Set has no effect for existent entities of type method. */
-ir_node *
-get_atomic_ent_value(entity *ent)
+ir_node *get_atomic_ent_value(ir_entity *entity)
{
- assert(ent && is_atomic_entity(ent));
- assert(ent->variability != variability_uninitialized);
- return skip_Id (ent->value);
-}
+ ir_initializer_t *initializer = get_entity_initializer(entity);
+
+ assert(entity && is_atomic_entity(entity));
+ if (initializer == NULL) {
+ ir_type *type = get_entity_type(entity);
+ return new_r_Unknown(get_const_code_irg(), get_type_mode(type));
+ }
+
+ switch (get_initializer_kind(initializer)) {
+ case IR_INITIALIZER_NULL: {
+ ir_type *type = get_entity_type(entity);
+ ir_mode *mode = get_type_mode(type);
+ return new_r_Const(get_const_code_irg(), get_mode_null(mode));
+ }
+ case IR_INITIALIZER_TARVAL: {
+ tarval *tv = get_initializer_tarval_value(initializer);
+ return new_r_Const(get_const_code_irg(), tv);
+ }
+ case IR_INITIALIZER_CONST:
+ return get_initializer_const_value(initializer);
+ case IR_INITIALIZER_COMPOUND:
+ panic("compound initializer in atomic entity not allowed (%+F)", entity);
+ }
+
+ panic("invalid initializer kind in get_atomic_ent_value(%+F)", entity);
+}
+
+void set_atomic_ent_value(ir_entity *entity, ir_node *val)
+{
+ ir_initializer_t *initializer;
+
+ assert(is_atomic_entity(entity));
-void
-set_atomic_ent_value(entity *ent, ir_node *val) {
- assert(is_atomic_entity(ent) && (ent->variability != variability_uninitialized));
- if (is_method_type(ent->type) && (ent->peculiarity == peculiarity_existent))
- return;
- ent->value = val;
+ assert(is_Dummy(val) || get_irn_mode(val) == get_type_mode(entity->type));
+ initializer = create_initializer_const(val);
+ entity->initializer = initializer;
}
/* Returns true if the the node is representable as code on
* const_code_irg. */
-int is_irn_const_expression(ir_node *n) {
- ir_mode *m;
-
- /* we are in dange iff an exception will arise. TODO: be more precisely,
- * for instance Div. will NOT rise if divisor != 0
- */
- if (is_binop(n) && !is_fragile_op(n))
- return is_irn_const_expression(get_binop_left(n)) && is_irn_const_expression(get_binop_right(n));
-
- m = get_irn_mode(n);
- switch(get_irn_opcode(n)) {
- case iro_Const:
- case iro_SymConst:
- case iro_Unknown:
- return true; break;
- case iro_Conv:
- case iro_Cast:
- return is_irn_const_expression(get_irn_n(n, 0));
- default:
- return false;
- break;
- }
- return false;
-}
-
-
-ir_node *copy_const_value(ir_node *n) {
- ir_node *nn;
- ir_mode *m;
-
- /* @@@ GL I think we should implement this using the routines from irgopt for
- dead node elimination/inlineing. */
-
- m = get_irn_mode(n);
- switch(get_irn_opcode(n)) {
- case iro_Const:
- nn = new_Const(m, get_Const_tarval(n)); set_Const_type(nn, get_Const_type(n));
- //nn = new_rd_Const_type(get_irn_dbg_info(n), current_ir_graph, get_cur_block(),
- // m, get_Const_tarval(n), get_Const_type(n));
- break;
- case iro_SymConst:
- nn = new_d_SymConst_type(NULL, get_SymConst_symbol(n), get_SymConst_kind(n),
- get_SymConst_value_type(n));
- break;
- case iro_Add:
- nn = new_Add(copy_const_value(get_Add_left(n)),
- copy_const_value(get_Add_right(n)), m); break;
- case iro_Sub:
- nn = new_Sub(copy_const_value(get_Sub_left(n)),
- copy_const_value(get_Sub_right(n)), m); break;
- case iro_Mul:
- nn = new_Mul(copy_const_value(get_Mul_left(n)),
- copy_const_value(get_Mul_right(n)), m); break;
- case iro_And:
- nn = new_And(copy_const_value(get_And_left(n)),
- copy_const_value(get_And_right(n)), m); break;
- case iro_Or:
- nn = new_Or(copy_const_value(get_Or_left(n)),
- copy_const_value(get_Or_right(n)), m); break;
- case iro_Eor:
- nn = new_Eor(copy_const_value(get_Eor_left(n)),
- copy_const_value(get_Eor_right(n)), m); break;
- case iro_Cast:
- nn = new_Cast(copy_const_value(get_Cast_op(n)), get_Cast_type(n)); break;
- case iro_Conv:
- nn = new_Conv(copy_const_value(get_Conv_op(n)), m); break;
- case iro_Unknown:
- nn = new_Unknown(m); break;
- default:
- DDMN(n);
- assert(0 && "opcode invalid or not implemented");
- nn = NULL;
- break;
- }
- return nn;
-}
-
-compound_graph_path *
-new_compound_graph_path(type *tp, int length) {
- compound_graph_path *res;
- assert(is_type(tp) && is_compound_type(tp));
- assert(length > 0);
-
- res = (compound_graph_path *) calloc (1, sizeof(compound_graph_path) + (length-1) * sizeof(entity *));
- res->kind = k_ir_compound_graph_path;
- res->tp = tp;
- res->len = length;
- res ->arr_indicees = (int *) calloc(length, sizeof(int));
- return res;
-}
-
-void
-free_compound_graph_path (compound_graph_path *gr) {
- assert(gr && is_compound_graph_path(gr));
- gr->kind = k_BAD;
- free(gr ->arr_indicees);
- free(gr);
-}
-
-int
-is_compound_graph_path(void *thing) {
- return (get_kind(thing) == k_ir_compound_graph_path);
-}
-
-/* checks whether nodes 0..pos are correct (all lie on a path.) */
-/* @@@ not implemented */
-int is_proper_compound_graph_path(compound_graph_path *gr, int pos) {
- int i;
- entity *node;
- type *owner = gr->tp;
- for (i = 0; i <= pos; i++) {
- node = get_compound_graph_path_node(gr, i);
- if (get_entity_owner(node) != owner) return false;
- owner = get_entity_type(node);
- }
- if (pos == get_compound_graph_path_length(gr))
- if (!is_atomic_type(owner)) return false;
- return true;
-}
-
-int
-get_compound_graph_path_length(compound_graph_path *gr) {
- assert(gr && is_compound_graph_path(gr));
- return gr->len;
-}
-
-entity *
-get_compound_graph_path_node(compound_graph_path *gr, int pos) {
- assert(gr && is_compound_graph_path(gr));
- assert(pos >= 0 && pos < gr->len);
- return gr->nodes[pos];
-}
-
-void
-set_compound_graph_path_node(compound_graph_path *gr, int pos, entity *node) {
- assert(gr && is_compound_graph_path(gr));
- assert(pos >= 0 && pos < gr->len);
- assert(is_entity(node));
- gr->nodes[pos] = node;
- assert(is_proper_compound_graph_path(gr, pos));
-}
-
-int
-get_compound_graph_path_array_index(compound_graph_path *gr, int pos) {
- assert(gr && is_compound_graph_path(gr));
- assert(pos >= 0 && pos < gr->len);
- return gr->arr_indicees[pos];
-}
-
-void
-set_compound_graph_path_array_index(compound_graph_path *gr, int pos, int index) {
- assert(gr && is_compound_graph_path(gr));
- assert(pos >= 0 && pos < gr->len);
- gr->arr_indicees[pos] = index;
-}
-
-/* A value of a compound entity is a pair of value and the corresponding path to a member of
- the compound. */
-void
-add_compound_ent_value_w_path(entity *ent, ir_node *val, compound_graph_path *path) {
- assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
- ARR_APP1 (ir_node *, ent->values, val);
- ARR_APP1 (compound_graph_path *, ent->val_paths, path);
-}
-
-void
-set_compound_ent_value_w_path(entity *ent, ir_node *val, compound_graph_path *path, int pos) {
- assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
- ent->values[pos] = val;
- ent->val_paths[pos] = path;
-}
-
-int
-get_compound_ent_n_values(entity *ent) {
- assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
- return (ARR_LEN (ent->values));
-}
-
-ir_node *
-get_compound_ent_value(entity *ent, int pos) {
- assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
- return ent->values[pos];
-}
-
-compound_graph_path *
-get_compound_ent_value_path(entity *ent, int pos) {
- assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
- return ent->val_paths[pos];
-}
-
-void
-remove_compound_ent_value(entity *ent, entity *value_ent) {
- int i;
- assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
- for (i = 0; i < (ARR_LEN (ent->val_paths)); i++) {
- compound_graph_path *path = ent->val_paths[i];
- if (path->nodes[path->len-1] == value_ent) {
- for(; i < (ARR_LEN (ent->val_paths))-1; i++) {
- ent->val_paths[i] = ent->val_paths[i+1];
- ent->values[i] = ent->values[i+1];
- }
- ARR_SETLEN(entity*, ent->val_paths, ARR_LEN(ent->val_paths) - 1);
- ARR_SETLEN(ir_node*, ent->values, ARR_LEN(ent->values) - 1);
- break;
- }
- }
-}
-
-void
-add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
- compound_graph_path *path;
- type *owner_tp = get_entity_owner(ent);
- assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
- path = new_compound_graph_path(owner_tp, 1);
- path->nodes[0] = member;
- if (is_array_type(owner_tp)) {
- int max;
- int i;
-
- assert(get_array_n_dimensions(owner_tp) == 1 && has_array_lower_bound(owner_tp, 0));
- max = get_array_lower_bound_int(owner_tp, 0) -1;
- for (i = 0; i < get_compound_ent_n_values(ent); ++i) {
- int index = get_compound_graph_path_array_index(get_compound_ent_value_path(ent, i), 0);
- if (index > max) {
- max = index;
- }
- }
- path->arr_indicees[0] = max + 1;
- }
- add_compound_ent_value_w_path(ent, val, path);
-}
-
-/* Copies the firm subgraph referenced by val to const_code_irg and adds
- the node as constant initialization to ent.
- The subgraph may not contain control flow operations.
-void
-copy_and_add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
- ir_graph *rem = current_ir_graph;
-
- assert(get_entity_variability(ent) != variability_uninitialized);
- current_ir_graph = get_const_code_irg();
-
- val = copy_const_value(val);
- add_compound_ent_value(ent, val, member);
- current_ir_graph = rem;
- }*/
-
-/* Copies the value i of the entity to current_block in current_ir_graph.
-ir_node *
-copy_compound_ent_value(entity *ent, int pos) {
- assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
- return copy_const_value(ent->values[pos+1]);
- }*/
-
-entity *
-get_compound_ent_value_member(entity *ent, int pos) {
- compound_graph_path *path;
- assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
- path = get_compound_ent_value_path(ent, pos);
-
- return get_compound_graph_path_node(path, get_compound_graph_path_length(path)-1);
-}
-
-void
-set_compound_ent_value(entity *ent, ir_node *val, entity *member, int pos) {
- compound_graph_path *path;
- assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized));
- path = get_compound_ent_value_path(ent, pos);
- set_compound_graph_path_node(path, 0, member);
- set_compound_ent_value_w_path(ent, val, path, pos);
-}
-
-void
-set_array_entity_values(entity *ent, tarval **values, int num_vals) {
- int i;
- ir_graph *rem = current_ir_graph;
- type *arrtp = get_entity_type(ent);
- ir_node *val;
- type *elttp = get_array_element_type(arrtp);
-
- assert(is_array_type(arrtp));
- assert(get_array_n_dimensions(arrtp) == 1);
- /* One bound is sufficient, the nunmber of constant fields makes the
- size. */
- assert(get_array_lower_bound (arrtp, 0) || get_array_upper_bound (arrtp, 0));
- assert(get_entity_variability(ent) != variability_uninitialized);
- current_ir_graph = get_const_code_irg();
-
- for (i = 0; i < num_vals; i++) {
- val = new_Const_type(values[i], elttp);
- add_compound_ent_value(ent, val, get_array_element_entity(arrtp));
- set_compound_graph_path_array_index(get_compound_ent_value_path(ent, i), 0, i);
- }
- current_ir_graph = rem;
-}
-
-int get_compound_ent_value_offset_bits(entity *ent, int pos) {
- assert(get_type_state(get_entity_type(ent)) == layout_fixed);
-
- compound_graph_path *path = get_compound_ent_value_path(ent, pos);
- int i, path_len = get_compound_graph_path_length(path);
- int offset = 0;
-
- for (i = 0; i < path_len; ++i) {
- entity *node = get_compound_graph_path_node(path, i);
- type *node_tp = get_entity_type(node);
- type *owner_tp = get_entity_owner(node);
- if (is_array_type(owner_tp)) {
- int size = get_type_size_bits(node_tp);
- int align = get_type_alignment_bits(node_tp);
- if (size < align)
- size = align;
- else {
- assert(size % align == 0);
- /* ansonsten aufrunden */
- }
- offset += size * get_compound_graph_path_array_index(path, i);
- } else {
- offset += get_entity_offset_bits(node);
- }
- }
- return offset;
-}
-
-int get_compound_ent_value_offset_bytes(entity *ent, int pos) {
- int offset = get_compound_ent_value_offset_bits(ent, pos);
- assert(offset % 8 == 0);
- return offset >> 3;
-}
-
-
-static void init_index(type *arr) {
- int init;
- int dim = 0;
-
- assert(get_array_n_dimensions(arr) == 1);
-
- if (has_array_lower_bound(arr, dim))
- init = get_array_lower_bound_int(arr, 0) -1;
- else
- init = get_array_upper_bound_int(arr, 0) +1;
-
- set_entity_link(get_array_element_entity(arr), (void *)init);
-}
-
-
-static int get_next_index(entity *elem_ent) {
- type *arr = get_entity_owner(elem_ent);
- int next;
- int dim = 0;
-
- assert(get_array_n_dimensions(arr) == 1);
-
- if (has_array_lower_bound(arr, dim)) {
- next = (int)get_entity_link(elem_ent) +1;
- if (has_array_upper_bound(arr, dim)) {
- int upper = get_array_upper_bound_int(arr, dim);
- if (next == upper) next = get_array_lower_bound_int(arr, dim);
- }
- } else {
- next = (int)get_entity_link(elem_ent) -1;
- if (has_array_lower_bound(arr, dim)) {
- int upper = get_array_upper_bound_int(arr, dim);
- if (next == upper) next = get_array_upper_bound_int(arr, dim);
- }
- }
-
- set_entity_link(elem_ent, (void *)next);
- return next;
-}
-
-/* Compute the array indicees in compound graph paths of initialized entities.
- *
- * All arrays must have fixed lower and upper bounds. One array can
- * have an open bound. If there are several open bounds, we do
- * nothing. There must be initializer elements for all array
- * elements. Uses the link field in the array element entities. The
- * array bounds must be representable as ints.
- *
- * (If the bounds are not representable as ints we have to represent
- * the indicees as firm nodes. But the still we must be able to
- * evaluate the index against the upper bound.)
+int is_irn_const_expression(ir_node *n)
+{
+ ir_mode *m;
+
+ /* we are in danger iff an exception will arise. TODO: be more precisely,
+ * for instance Div. will NOT rise if divisor != 0
+ */
+ if (is_binop(n) && !is_fragile_op(n))
+ return is_irn_const_expression(get_binop_left(n)) && is_irn_const_expression(get_binop_right(n));
+
+ m = get_irn_mode(n);
+ switch (get_irn_opcode(n)) {
+ case iro_Const:
+ case iro_SymConst:
+ case iro_Unknown:
+ return 1;
+ case iro_Conv:
+ case iro_Cast:
+ return is_irn_const_expression(get_irn_n(n, 0));
+ default:
+ break;
+ }
+ return 0;
+}
+
+/*
+ * Copies a firm subgraph that complies to the restrictions for
+ * constant expressions to current_block in current_ir_graph.
*/
-void compute_compound_ent_array_indicees(entity *ent) {
- type *tp = get_entity_type(ent);
- int i, n_vals;
- entity *unknown_bound_entity = NULL;
-
- if (!is_compound_type(tp) ||
- (ent->variability == variability_uninitialized)) return ;
-
- n_vals = get_compound_ent_n_values(ent);
- if (n_vals == 0) return;
-
- /* We can not compute the indicees if there is more than one array
- with an unknown bound. For this remember the first entity that
- represents such an array. It could be ent. */
- if (is_array_type(tp)) {
- assert(get_array_n_dimensions(tp) == 1 && "other not implemented");
- int dim = 0;
- if (!has_array_lower_bound(tp, dim) || !has_array_upper_bound(tp, dim))
- unknown_bound_entity = ent;
- }
-
- /* Initialize the entity links to lower bound -1 and test all path elements
- for known bounds. */
- for (i = 0; i < n_vals; ++i) {
- compound_graph_path *path = get_compound_ent_value_path(ent, i);
- int j, path_len = get_compound_graph_path_length(path);
- for (j = 0; j < path_len; ++j) {
- entity *node = get_compound_graph_path_node(path, j);
- type *elem_tp = get_entity_type(node);
-
- if (is_array_type(elem_tp)) {
- assert(get_array_n_dimensions(elem_tp) == 1 && "other not implemented");
- int dim = 0;
- if (!has_array_lower_bound(elem_tp, dim) || !has_array_upper_bound(elem_tp, dim)) {
- if (!unknown_bound_entity) unknown_bound_entity = node;
- if (node != unknown_bound_entity) return;
- }
-
- init_index(elem_tp);
- }
- }
- }
-
- /* Finally compute the indicees ... */
- for (i = 0; i < n_vals; ++i) {
- compound_graph_path *path = get_compound_ent_value_path(ent, i);
- int j, path_len = get_compound_graph_path_length(path);
- for (j = 0; j < path_len; ++j) {
- entity *node = get_compound_graph_path_node(path, j);
- type *owner_tp = get_entity_owner(node);
- if (is_array_type(owner_tp))
- set_compound_graph_path_array_index (path, j, get_next_index(node));
- }
- }
-
-}
-
-
-static int *resize (int *buf, int new_size) {
- int *new_buf = (int *)calloc(new_size, 4);
- memcpy(new_buf, buf, new_size>1);
- free(buf);
- return new_buf;
-}
-
-/* We sort the elements by placing them at their bit offset in an
- array where each entry represents one bit called permutation. In
- fact, we do not place the values themselves, as we would have to
- copy two things, the value and the path. We only remember the
- position in the old order. Each value should have a distinct
- position in the permutation.
-
- A second iteration now permutes the actual elements into two
- new arrays. */
-void sort_compound_ent_values(entity *ent) {
- assert(get_type_state(get_entity_type(ent)) == layout_fixed);
-
- type *tp = get_entity_type(ent);
- int i, n_vals = get_compound_ent_n_values(ent);
- int tp_size = get_type_size_bits(tp);
- int size;
- int *permutation;
-
- if (!is_compound_type(tp) ||
- (ent->variability == variability_uninitialized) ||
- (get_type_state(tp) != layout_fixed) ||
- (n_vals == 0) ) return;
-
- /* estimated upper bound for size. Better: use flexible array ... */
- size = ((tp_size > (n_vals * 32)) ? tp_size : (n_vals * 32)) * 4;
- permutation = (int *)calloc(size, 4);
- for (i = 0; i < n_vals; ++i) {
- int pos = get_compound_ent_value_offset_bits(ent, i);
- while (pos >= size) {
- size = size + size;
- permutation = resize(permutation, size);
- }
- assert(pos < size);
- assert(permutation[pos] == 0 && "two values with the same offset");
- permutation[pos] = i + 1; /* We initialized with 0, so we can not distinguish entry 0.
- So inc all entries by one. */
- //fprintf(stderr, "i: %d, pos: %d \n", i, pos);
- }
-
- int next = 0;
- ir_node **my_values = NEW_ARR_F(ir_node *, n_vals);
- compound_graph_path **my_paths = NEW_ARR_F(compound_graph_path *, n_vals);
- for (i = 0; i < size; ++i) {
- int pos = permutation[i];
- if (pos) {
- //fprintf(stderr, "pos: %d i: %d next %d \n", i, pos, next);
- assert(next < n_vals);
- pos--; /* We increased the pos by one */
- my_values[next] = get_compound_ent_value (ent, pos);
- my_paths [next] = get_compound_ent_value_path(ent, pos);
- next++;
- }
- }
- free(permutation);
-
- DEL_ARR_F(ent->values);
- ent->values = my_values;
- DEL_ARR_F(ent->val_paths);
- ent->val_paths = my_paths;
-}
-
-int
-(get_entity_offset_bytes)(const entity *ent) {
- return __get_entity_offset_bytes(ent);
-}
-
-int
-(get_entity_offset_bits)(const entity *ent) {
- return __get_entity_offset_bits(ent);
-}
-
-void
-(set_entity_offset_bytes)(entity *ent, int offset) {
- __set_entity_offset_bytes(ent, offset);
-}
-
-void
-(set_entity_offset_bits)(entity *ent, int offset) {
- __set_entity_offset_bits(ent, offset);
-}
-
-void
-add_entity_overwrites(entity *ent, entity *overwritten) {
- assert(ent && is_class_type(get_entity_owner(ent)));
- ARR_APP1(entity *, ent->overwrites, overwritten);
- ARR_APP1(entity *, overwritten->overwrittenby, ent);
-}
-
-int
-get_entity_n_overwrites(entity *ent) {
- assert(ent && is_class_type(get_entity_owner(ent)));
- return (ARR_LEN(ent->overwrites));
-}
-
-int
-get_entity_overwrites_index(entity *ent, entity *overwritten) {
- int i;
- assert(ent && is_class_type(get_entity_owner(ent)));
- for (i = 0; i < get_entity_n_overwrites(ent); i++)
- if (get_entity_overwrites(ent, i) == overwritten)
- return i;
- return -1;
-}
-
-entity *
-get_entity_overwrites (entity *ent, int pos) {
- assert(ent && is_class_type(get_entity_owner(ent)));
- assert(pos < get_entity_n_overwrites(ent));
- return ent->overwrites[pos];
-}
-
-void
-set_entity_overwrites (entity *ent, int pos, entity *overwritten) {
- assert(ent && is_class_type(get_entity_owner(ent)));
- assert(pos < get_entity_n_overwrites(ent));
- ent->overwrites[pos] = overwritten;
-}
-
-void
-remove_entity_overwrites(entity *ent, entity *overwritten) {
- int i;
- assert(ent && is_class_type(get_entity_owner(ent)));
- for (i = 0; i < (ARR_LEN (ent->overwrites)); i++)
- if (ent->overwrites[i] == overwritten) {
- for(; i < (ARR_LEN (ent->overwrites))-1; i++)
- ent->overwrites[i] = ent->overwrites[i+1];
- ARR_SETLEN(entity*, ent->overwrites, ARR_LEN(ent->overwrites) - 1);
- break;
- }
+ir_node *copy_const_value(dbg_info *dbg, ir_node *n)
+{
+ ir_node *nn;
+ ir_mode *m;
+
+ /* @@@ GL I think we should implement this using the routines from irgopt for
+ dead node elimination/inlineing. */
+
+ m = get_irn_mode(n);
+ switch (get_irn_opcode(n)) {
+ case iro_Const:
+ nn = new_d_Const_type(dbg, get_Const_tarval(n), get_Const_type(n));
+ break;
+ case iro_SymConst:
+ nn = new_d_SymConst_type(dbg, get_irn_mode(n), get_SymConst_symbol(n), get_SymConst_kind(n),
+ get_SymConst_value_type(n));
+ break;
+ case iro_Add:
+ nn = new_d_Add(dbg, copy_const_value(dbg, get_Add_left(n)),
+ copy_const_value(dbg, get_Add_right(n)), m); break;
+ case iro_Sub:
+ nn = new_d_Sub(dbg, copy_const_value(dbg, get_Sub_left(n)),
+ copy_const_value(dbg, get_Sub_right(n)), m); break;
+ case iro_Mul:
+ nn = new_d_Mul(dbg, copy_const_value(dbg, get_Mul_left(n)),
+ copy_const_value(dbg, get_Mul_right(n)), m); break;
+ case iro_And:
+ nn = new_d_And(dbg, copy_const_value(dbg, get_And_left(n)),
+ copy_const_value(dbg, get_And_right(n)), m); break;
+ case iro_Or:
+ nn = new_d_Or(dbg, copy_const_value(dbg, get_Or_left(n)),
+ copy_const_value(dbg, get_Or_right(n)), m); break;
+ case iro_Eor:
+ nn = new_d_Eor(dbg, copy_const_value(dbg, get_Eor_left(n)),
+ copy_const_value(dbg, get_Eor_right(n)), m); break;
+ case iro_Cast:
+ nn = new_d_Cast(dbg, copy_const_value(dbg, get_Cast_op(n)), get_Cast_type(n)); break;
+ case iro_Conv:
+ nn = new_d_Conv(dbg, copy_const_value(dbg, get_Conv_op(n)), m); break;
+ case iro_Unknown:
+ nn = new_Unknown(m); break;
+ default:
+ panic("opcode invalid or not implemented");
+ }
+ return nn;
+}
+
+/** Return the name of the initializer kind. */
+const char *get_initializer_kind_name(ir_initializer_kind_t ini)
+{
+#define X(a) case a: return #a
+ switch (ini) {
+ X(IR_INITIALIZER_CONST);
+ X(IR_INITIALIZER_TARVAL);
+ X(IR_INITIALIZER_NULL);
+ X(IR_INITIALIZER_COMPOUND);
+ default: return "BAD VALUE";
+ }
+#undef X
}
-void
-add_entity_overwrittenby (entity *ent, entity *overwrites) {
- assert(ent && is_class_type(get_entity_owner(ent)));
- add_entity_overwrites(overwrites, ent);
+static ir_initializer_t null_initializer = { IR_INITIALIZER_NULL };
+
+ir_initializer_t *get_initializer_null(void)
+{
+ return &null_initializer;
}
-int
-get_entity_n_overwrittenby (entity *ent) {
- assert(ent && is_class_type(get_entity_owner(ent)));
- return (ARR_LEN (ent->overwrittenby));
+ir_initializer_t *create_initializer_const(ir_node *value)
+{
+ struct obstack *obst = get_irg_obstack(get_const_code_irg());
+
+ ir_initializer_t *initializer
+ = obstack_alloc(obst, sizeof(ir_initializer_const_t));
+ initializer->kind = IR_INITIALIZER_CONST;
+ initializer->consti.value = value;
+
+ return initializer;
}
-int
-get_entity_overwrittenby_index(entity *ent, entity *overwrites) {
- int i;
- assert(ent && is_class_type(get_entity_owner(ent)));
- for (i = 0; i < get_entity_n_overwrittenby(ent); i++)
- if (get_entity_overwrittenby(ent, i) == overwrites)
- return i;
- return -1;
+ir_initializer_t *create_initializer_tarval(tarval *tv)
+{
+ struct obstack *obst = get_irg_obstack(get_const_code_irg());
+
+ ir_initializer_t *initializer
+ = obstack_alloc(obst, sizeof(ir_initializer_tarval_t));
+ initializer->kind = IR_INITIALIZER_TARVAL;
+ initializer->tarval.value = tv;
+
+ return initializer;
}
-entity *
-get_entity_overwrittenby (entity *ent, int pos) {
- assert(ent && is_class_type(get_entity_owner(ent)));
- assert(pos < get_entity_n_overwrittenby(ent));
- return ent->overwrittenby[pos];
+ir_initializer_t *create_initializer_compound(unsigned n_entries)
+{
+ struct obstack *obst = get_irg_obstack(get_const_code_irg());
+
+ size_t i;
+ size_t size = sizeof(ir_initializer_compound_t)
+ + (n_entries-1) * sizeof(ir_initializer_t*);
+
+ ir_initializer_t *initializer = obstack_alloc(obst, size);
+ initializer->kind = IR_INITIALIZER_COMPOUND;
+ initializer->compound.n_initializers = n_entries;
+
+ for (i = 0; i < n_entries; ++i) {
+ initializer->compound.initializers[i] = get_initializer_null();
+ }
+
+ return initializer;
}
-void
-set_entity_overwrittenby (entity *ent, int pos, entity *overwrites) {
- assert(ent && is_class_type(get_entity_owner(ent)));
- assert(pos < get_entity_n_overwrittenby(ent));
- ent->overwrittenby[pos] = overwrites;
+ir_node *get_initializer_const_value(const ir_initializer_t *initializer)
+{
+ assert(initializer->kind == IR_INITIALIZER_CONST);
+ return skip_Id(initializer->consti.value);
}
-void remove_entity_overwrittenby(entity *ent, entity *overwrites) {
- int i;
- assert(ent && is_class_type(get_entity_owner(ent)));
- for (i = 0; i < (ARR_LEN (ent->overwrittenby)); i++)
- if (ent->overwrittenby[i] == overwrites) {
- for(; i < (ARR_LEN (ent->overwrittenby))-1; i++)
- ent->overwrittenby[i] = ent->overwrittenby[i+1];
- ARR_SETLEN(entity*, ent->overwrittenby, ARR_LEN(ent->overwrittenby) - 1);
- break;
- }
+tarval *get_initializer_tarval_value(const ir_initializer_t *initializer)
+{
+ assert(initializer->kind == IR_INITIALIZER_TARVAL);
+ return initializer->tarval.value;
}
-/* A link to store intermediate information */
-void *
-(get_entity_link)(const entity *ent) {
- return __get_entity_link(ent);
+unsigned get_initializer_compound_n_entries(const ir_initializer_t *initializer)
+{
+ assert(initializer->kind == IR_INITIALIZER_COMPOUND);
+ return initializer->compound.n_initializers;
}
-void
-(set_entity_link)(entity *ent, void *l) {
- __set_entity_link(ent, l);
+void set_initializer_compound_value(ir_initializer_t *initializer,
+ unsigned index, ir_initializer_t *value)
+{
+ assert(initializer->kind == IR_INITIALIZER_COMPOUND);
+ assert(index < initializer->compound.n_initializers);
+
+ initializer->compound.initializers[index] = value;
+}
+
+ir_initializer_t *get_initializer_compound_value(
+ const ir_initializer_t *initializer, unsigned index)
+{
+ assert(initializer->kind == IR_INITIALIZER_COMPOUND);
+ assert(index < initializer->compound.n_initializers);
+
+ return initializer->compound.initializers[index];
+}
+
+ir_initializer_kind_t get_initializer_kind(const ir_initializer_t *initializer)
+{
+ return initializer->kind;
}
-ir_graph *
-(get_entity_irg)(const entity *ent) {
- return __get_entity_irg(ent);
+static void check_entity_initializer(ir_entity *entity)
+{
+#ifndef NDEBUG
+ ir_initializer_t *initializer = entity->initializer;
+ ir_type *entity_tp = get_entity_type(entity);
+ switch (initializer->kind) {
+ case IR_INITIALIZER_COMPOUND:
+ assert(is_compound_type(entity_tp) || is_Array_type(entity_tp));
+ break;
+ case IR_INITIALIZER_CONST:
+ /* methods are initialized by a SymConst */
+ assert(is_atomic_type(entity_tp) || is_Method_type(entity_tp));
+ break;
+ case IR_INITIALIZER_TARVAL:
+ assert(is_atomic_type(entity_tp));
+ break;
+ case IR_INITIALIZER_NULL:
+ break;
+ }
+#endif
}
-void
-set_entity_irg(entity *ent, ir_graph *irg) {
- assert(ent && is_method_type(get_entity_type(ent)));
- /* Wie kann man die Referenz auf einen IRG löschen, z.B. wenn die
- * Methode selbst nicht mehr aufgerufen werden kann, die Entität
- * aber erhalten bleiben soll. */
- /* assert(irg); */
- assert((irg && ent->peculiarity == peculiarity_existent) ||
- (!irg && ent->peculiarity == peculiarity_description) ||
- (!irg && ent->peculiarity == peculiarity_inherited));
- ent->irg = irg;
+void set_entity_initializer(ir_entity *entity, ir_initializer_t *initializer)
+{
+ entity->initializer = initializer;
+ check_entity_initializer(entity);
}
-int
-(is_entity)(const void *thing) {
- return __is_entity(thing);
+int has_entity_initializer(const ir_entity *entity)
+{
+ return entity->initializer != NULL;
}
-int is_atomic_entity(entity *ent) {
- type* t = get_entity_type(ent);
- assert(ent && ent->kind == k_entity);
- return (is_primitive_type(t) || is_pointer_type(t) ||
- is_enumeration_type(t) || is_method_type(t));
+ir_initializer_t *get_entity_initializer(const ir_entity *entity)
+{
+ return entity->initializer;
}
-int is_compound_entity(entity *ent) {
- type* t = get_entity_type(ent);
- assert(ent && ent->kind == k_entity);
- return (is_class_type(t) || is_struct_type(t) ||
- is_array_type(t) || is_union_type(t));
+int (get_entity_offset)(const ir_entity *ent)
+{
+ return _get_entity_offset(ent);
}
-/**
- * @todo not implemnted!!! */
-bool equal_entity(entity *ent1, entity *ent2) {
- fprintf(stderr, " calling unimplemented equal entity!!! \n");
- return true;
+void (set_entity_offset)(ir_entity *ent, int offset)
+{
+ _set_entity_offset(ent, offset);
}
+unsigned char (get_entity_offset_bits_remainder)(const ir_entity *ent)
+{
+ return _get_entity_offset_bits_remainder(ent);
+}
-unsigned long get_entity_visited(entity *ent) {
- assert(ent && ent->kind == k_entity);
- return ent->visit;
+void (set_entity_offset_bits_remainder)(ir_entity *ent, unsigned char offset)
+{
+ _set_entity_offset_bits_remainder(ent, offset);
}
-void set_entity_visited(entity *ent, unsigned long num) {
- assert(ent && ent->kind == k_entity);
- ent->visit = num;
+
+void add_entity_overwrites(ir_entity *ent, ir_entity *overwritten)
+{
+ if (ent->overwrites == NULL) {
+ ent->overwrites = NEW_ARR_F(ir_entity*, 0);
+ }
+ ARR_APP1(ir_entity *, ent->overwrites, overwritten);
+ if (overwritten->overwrittenby == NULL) {
+ overwritten->overwrittenby = NEW_ARR_F(ir_entity*, 0);
+ }
+ ARR_APP1(ir_entity *, overwritten->overwrittenby, ent);
}
-/* Sets visited field in entity to entity_visited. */
-void mark_entity_visited(entity *ent) {
- assert(ent && ent->kind == k_entity);
- ent->visit = type_visited;
+
+int get_entity_n_overwrites(const ir_entity *ent)
+{
+ if (ent->overwrites == NULL)
+ return 0;
+ return ARR_LEN(ent->overwrites);
}
+int get_entity_overwrites_index(const ir_entity *ent, ir_entity *overwritten)
+{
+ int i, n;
+ n = get_entity_n_overwrites(ent);
+ for (i = 0; i < n; ++i) {
+ if (get_entity_overwrites(ent, i) == overwritten)
+ return i;
+ }
+ return -1;
+}
-bool entity_visited(entity *ent) {
- assert(ent && ent->kind == k_entity);
- return get_entity_visited(ent) >= type_visited;
+ir_entity *get_entity_overwrites(const ir_entity *ent, int pos)
+{
+ assert(pos < get_entity_n_overwrites(ent));
+ return ent->overwrites[pos];
}
-bool entity_not_visited(entity *ent) {
- assert(ent && ent->kind == k_entity);
- return get_entity_visited(ent) < type_visited;
+void set_entity_overwrites(ir_entity *ent, int pos, ir_entity *overwritten)
+{
+ assert(pos < get_entity_n_overwrites(ent));
+ ent->overwrites[pos] = overwritten;
}
-/* Need two routines because I want to assert the result. */
-static entity *resolve_ent_polymorphy2 (type *dynamic_class, entity* static_ent) {
- int i, n_overwrittenby;
- entity *res = NULL;
+void remove_entity_overwrites(ir_entity *ent, ir_entity *overwritten)
+{
+ int i, n;
+ n = get_entity_n_overwrites(ent);
+ for (i = 0; i < n; ++i) {
+ if (ent->overwrites[i] == overwritten) {
+ for (; i < n - 1; i++)
+ ent->overwrites[i] = ent->overwrites[i+1];
+ ARR_SETLEN(ir_entity*, ent->overwrites, n - 1);
+ break;
+ }
+ }
+}
- if (get_entity_owner(static_ent) == dynamic_class) return static_ent;
- n_overwrittenby = get_entity_n_overwrittenby(static_ent);
- for (i = 0; i < n_overwrittenby; ++i) {
- res = resolve_ent_polymorphy2(dynamic_class, get_entity_overwrittenby(static_ent, i));
- if (res) break;
- }
+int get_entity_n_overwrittenby(const ir_entity *ent)
+{
+ if (ent->overwrittenby == NULL)
+ return 0;
+ return ARR_LEN(ent->overwrittenby);
+}
- return res;
+int get_entity_overwrittenby_index(const ir_entity *ent, ir_entity *overwrites)
+{
+ int i, n;
+ n = get_entity_n_overwrittenby(ent);
+ for (i = 0; i < n; ++i) {
+ if (get_entity_overwrittenby(ent, i) == overwrites)
+ return i;
+ }
+ return -1;
}
-/** Resolve polymorphy in the inheritance relation.
- *
- * Returns the dynamically referenced entity if the static entity and the
- * dynamic type are given.
- * Search downwards in overwritten tree. */
-entity *resolve_ent_polymorphy(type *dynamic_class, entity* static_ent) {
- entity *res;
- assert(static_ent && static_ent->kind == k_entity);
-
- res = resolve_ent_polymorphy2(dynamic_class, static_ent);
-#if DEBUG_libfirm
- if (!res) {
- printf(" Could not find entity "); DDME(static_ent);
- printf(" in "); DDMT(dynamic_class);
- printf("\n");
- dump_entity(static_ent);
- dump_type(get_entity_owner(static_ent));
- dump_type(dynamic_class);
- }
-#endif
- assert(res);
- return res;
+ir_entity *get_entity_overwrittenby(const ir_entity *ent, int pos)
+{
+ assert(pos < get_entity_n_overwrittenby(ent));
+ return ent->overwrittenby[pos];
+}
+
+void set_entity_overwrittenby(ir_entity *ent, int pos, ir_entity *overwrites)
+{
+ assert(pos < get_entity_n_overwrittenby(ent));
+ ent->overwrittenby[pos] = overwrites;
+}
+
+void remove_entity_overwrittenby(ir_entity *ent, ir_entity *overwrites)
+{
+ int i, n;
+
+ n = get_entity_n_overwrittenby(ent);
+ for (i = 0; i < n; ++i) {
+ if (ent->overwrittenby[i] == overwrites) {
+ for (; i < n - 1; ++i)
+ ent->overwrittenby[i] = ent->overwrittenby[i+1];
+ ARR_SETLEN(ir_entity*, ent->overwrittenby, n - 1);
+ break;
+ }
+ }
+}
+
+void *(get_entity_link)(const ir_entity *ent)
+{
+ return _get_entity_link(ent);
+}
+
+void (set_entity_link)(ir_entity *ent, void *l)
+{
+ _set_entity_link(ent, l);
+}
+
+ir_graph *(get_entity_irg)(const ir_entity *ent)
+{
+ return _get_entity_irg(ent);
+}
+
+void set_entity_irg(ir_entity *ent, ir_graph *irg)
+{
+ assert(is_method_entity(ent));
+ assert(get_entity_peculiarity(ent) == peculiarity_existent);
+ ent->attr.mtd_attr.irg = irg;
+}
+
+unsigned get_entity_vtable_number(const ir_entity *ent)
+{
+ assert(is_method_entity((ir_entity *)ent));
+ return ent->attr.mtd_attr.vtable_number;
+}
+
+void set_entity_vtable_number(ir_entity *ent, unsigned vtable_number)
+{
+ assert(is_method_entity(ent));
+ ent->attr.mtd_attr.vtable_number = vtable_number;
+}
+
+int (is_entity)(const void *thing)
+{
+ return _is_entity(thing);
+}
+
+int is_atomic_entity(const ir_entity *ent)
+{
+ ir_type *t = get_entity_type(ent);
+ const tp_op *op = get_type_tpop(t);
+ return (op == type_primitive || op == type_pointer ||
+ op == type_enumeration || op == type_method);
+}
+
+int is_compound_entity(const ir_entity *ent)
+{
+ ir_type *t = get_entity_type(ent);
+ const tp_op *op = get_type_tpop(t);
+ return (op == type_class || op == type_struct ||
+ op == type_array || op == type_union);
+}
+
+int is_method_entity(const ir_entity *ent)
+{
+ ir_type *t = get_entity_type(ent);
+ return is_Method_type(t);
+}
+
+ir_visited_t (get_entity_visited)(const ir_entity *ent)
+{
+ return _get_entity_visited(ent);
+}
+
+void (set_entity_visited)(ir_entity *ent, ir_visited_t num)
+{
+ _set_entity_visited(ent, num);
+}
+
+void (mark_entity_visited)(ir_entity *ent)
+{
+ _mark_entity_visited(ent);
+}
+
+int (entity_visited)(const ir_entity *ent)
+{
+ return _entity_visited(ent);
+}
+
+int (entity_not_visited)(const ir_entity *ent)
+{
+ return _entity_not_visited(ent);
+}
+
+unsigned get_entity_additional_properties(const ir_entity *ent)
+{
+ ir_graph *irg;
+
+ assert(is_method_entity(ent));
+
+ /* first check, if the graph has additional properties */
+ irg = get_entity_irg(ent);
+
+ if (irg)
+ return get_irg_additional_properties(irg);
+
+ if (ent->attr.mtd_attr.irg_add_properties & mtp_property_inherited)
+ return get_method_additional_properties(get_entity_type(ent));
+
+ return ent->attr.mtd_attr.irg_add_properties;
+}
+
+void set_entity_additional_properties(ir_entity *ent, unsigned property_mask)
+{
+ ir_graph *irg;
+
+ assert(is_method_entity(ent));
+
+ /* first check, if the graph exists */
+ irg = get_entity_irg(ent);
+ if (irg)
+ set_irg_additional_properties(irg, property_mask);
+ else {
+ /* do not allow to set the mtp_property_inherited flag or
+ * the automatic inheritance of flags will not work */
+ ent->attr.mtd_attr.irg_add_properties = property_mask & ~mtp_property_inherited;
+ }
+}
+
+void set_entity_additional_property(ir_entity *ent, mtp_additional_property flag)
+{
+ ir_graph *irg;
+
+ assert(is_method_entity(ent));
+
+ /* first check, if the graph exists */
+ irg = get_entity_irg(ent);
+ if (irg)
+ set_irg_additional_property(irg, flag);
+ else {
+ unsigned mask = ent->attr.mtd_attr.irg_add_properties;
+
+ if (mask & mtp_property_inherited)
+ mask = get_method_additional_properties(get_entity_type(ent));
+
+ /* do not allow to set the mtp_property_inherited flag or
+ * the automatic inheritance of flags will not work */
+ ent->attr.mtd_attr.irg_add_properties = mask | (flag & ~mtp_property_inherited);
+ }
+}
+
+/* Returns the class type that this type info entity represents or NULL
+ if ent is no type info entity. */
+ir_type *(get_entity_repr_class)(const ir_entity *ent)
+{
+ return _get_entity_repr_class(ent);
+}
+
+dbg_info *(get_entity_dbg_info)(const ir_entity *ent)
+{
+ return _get_entity_dbg_info(ent);
+}
+
+void (set_entity_dbg_info)(ir_entity *ent, dbg_info *db)
+{
+ _set_entity_dbg_info(ent, db);
+}
+
+int entity_is_externally_visible(const ir_entity *entity)
+{
+ return get_entity_visibility(entity) != ir_visibility_local
+ || (get_entity_linkage(entity) & IR_LINKAGE_HIDDEN_USER);
+}
+
+int entity_has_definition(const ir_entity *entity)
+{
+ return entity->initializer != NULL
+ || get_entity_irg(entity) != NULL
+ || entity_has_compound_ent_values(entity);
+}
+
+void ir_init_entity(void)
+{
+ assert(firm_unknown_type && "Call init_type() before firm_init_entity()!");
+ assert(!unknown_entity && "Call firm_init_entity() only once!");
+
+ unknown_entity = new_d_entity(NULL, new_id_from_str(UNKNOWN_ENTITY_NAME),
+ firm_unknown_type, NULL);
+ set_entity_visibility(unknown_entity, ir_visibility_external);
+ set_entity_ld_ident(unknown_entity, get_entity_ident(unknown_entity));
+}
+
+void ir_finish_entity(void)
+{
+ if (unknown_entity != NULL) {
+ free_entity(unknown_entity);
+ unknown_entity = NULL;
+ }
+}
+
+ir_allocation get_entity_allocation(const ir_entity *entity)
+{
+ return entity->allocation;
+}
+
+void set_entity_allocation(ir_entity *entity, ir_allocation allocation)
+{
+ entity->allocation = allocation;
+}
+
+ir_peculiarity get_entity_peculiarity(const ir_entity *entity)
+{
+ return entity->peculiarity;
+}
+
+void set_entity_peculiarity(ir_entity *entity, ir_peculiarity peculiarity)
+{
+ entity->peculiarity = peculiarity;
+}
+
+void set_entity_final(ir_entity *entity, int final)
+{
+ entity->final = final;
+}
+
+int is_entity_final(const ir_entity *entity)
+{
+ return entity->final;
}