* Implementation of the datastructure to hold
* type information.
*
- * (C) 2001-2005 by Universitaet Karlsruhe
- * Goetz Lindenmaier
+ * (C) 2001-2006 by Universitaet Karlsruhe
+ * Goetz Lindenmaier, Michael Beck
*
* This module supplies a datastructure to represent all types
* known in the compiled program. This includes types specified
# include "mangle.h"
# include "tv_t.h"
# include "irhooks.h"
+# include "irtools.h"
# include "array.h"
/** TYPE **/
/*-----------------------------------------------------------------*/
-type *firm_none_type; type *get_none_type(void) { return firm_none_type; }
-type *firm_unknown_type; type *get_unknown_type(void) { return firm_unknown_type; }
+ir_type *firm_none_type; ir_type *get_none_type(void) { return firm_none_type; }
+ir_type *firm_unknown_type; ir_type *get_unknown_type(void) { return firm_unknown_type; }
-#ifdef DEBUG_libfirm
-/* Returns a new, unique number to number nodes or the like. */
-int get_irp_new_node_nr(void);
-#endif
-
/* Suffixes added to types used for pass-by-value representations. */
static ident *value_params_suffix = NULL;
static ident *value_ress_suffix = NULL;
/** The default calling convention for method types. */
static unsigned default_cc_mask;
+/* return the default calling convention for method types */
+unsigned get_default_cc_mask(void) {
+ return default_cc_mask;
+}
+
/* Initialize the type module. */
void firm_init_type(dbg_info *builtin_db, unsigned def_cc_mask)
{
/*
* Creates a new type representation.
*/
-type *
+ir_type *
new_type(tp_op *type_op, ir_mode *mode, ident *name, dbg_info *db) {
- type *res;
+ ir_type *res;
int node_size;
assert(type_op != type_id);
assert(!id_contains_char(name, ' ') && "type name should not contain spaces");
- node_size = offsetof(type, attr) + type_op->attr_size;
+ node_size = offsetof(ir_type, attr) + type_op->attr_size;
res = xmalloc(node_size);
memset(res, 0, node_size);
res->mode = mode;
res->name = name;
res->visibility = visibility_external_allocated;
- res->frame_type = 0;
- res->state = layout_undefined;
+ res->flags = tf_none;
res->size = -1;
res->align = -1;
res->visit = 0;
res->link = NULL;
res->dbi = db;
+ res->assoc_type = NULL;
#ifdef DEBUG_libfirm
res->nr = get_irp_new_node_nr();
#endif /* defined DEBUG_libfirm */
return res;
}
-void free_type(type *tp) {
+void free_type(ir_type *tp) {
const tp_op *op = get_type_tpop(tp);
if ((get_type_tpop(tp) == tpop_none) || (get_type_tpop(tp) == tpop_unknown))
remove_irp_type(tp);
/* Free the attributes of the type. */
free_type_attrs(tp);
- /* Free entities automatically allocated with the type */
+ /* Free entities automatically allocated with the ir_type */
if (op->ops.free_auto_entities)
op->ops.free_auto_entities(tp);
/* And now the type itself... */
free(tp);
}
-void free_type_entities(type *tp) {
+void free_type_entities(ir_type *tp) {
const tp_op *tpop = get_type_tpop(tp);
if (tpop->ops.free_entities)
tpop->ops.free_entities(tp);
}
-void free_type_attrs(type *tp) {
+void free_type_attrs(ir_type *tp) {
const tp_op *tpop = get_type_tpop(tp);
if (tpop->ops.free_attrs)
}
/* set/get the link field */
-void *(get_type_link)(const type *tp) {
+void *(get_type_link)(const ir_type *tp) {
return _get_type_link(tp);
}
-void (set_type_link)(type *tp, void *l) {
+void (set_type_link)(ir_type *tp, void *l) {
_set_type_link(tp, l);
}
-const tp_op *(get_type_tpop)(const type *tp) {
+const tp_op *(get_type_tpop)(const ir_type *tp) {
return _get_type_tpop(tp);
}
-ident *(get_type_tpop_nameid)(const type *tp) {
+ident *(get_type_tpop_nameid)(const ir_type *tp) {
return _get_type_tpop_nameid(tp);
}
-const char* get_type_tpop_name(const type *tp) {
+const char* get_type_tpop_name(const ir_type *tp) {
assert(tp && tp->kind == k_type);
return get_id_str(tp->type_op->name);
}
-tp_opcode (get_type_tpop_code)(const type *tp) {
+tp_opcode (get_type_tpop_code)(const ir_type *tp) {
return _get_type_tpop_code(tp);
}
-ir_mode *(get_type_mode)(const type *tp) {
+ir_mode *(get_type_mode)(const ir_type *tp) {
return _get_type_mode(tp);
}
-void set_type_mode(type *tp, ir_mode *mode) {
+void set_type_mode(ir_type *tp, ir_mode *mode) {
const tp_op *tpop = get_type_tpop(tp);
if (tpop->ops.set_type_mode)
assert(0 && "setting a mode is NOT allowed for this type");
}
-ident *(get_type_ident)(const type *tp) {
+ident *(get_type_ident)(const ir_type *tp) {
return _get_type_ident(tp);
}
-void (set_type_ident)(type *tp, ident* id) {
+void (set_type_ident)(ir_type *tp, ident* id) {
_set_type_ident(tp, id);
}
/* Outputs a unique number for this node */
-long get_type_nr(const type *tp) {
+long get_type_nr(const ir_type *tp) {
assert(tp);
#ifdef DEBUG_libfirm
return tp->nr;
#else
- return (long)tp;
+ return (long)PTR_TO_INT(tp);
#endif
}
-const char* get_type_name(const type *tp) {
+const char* get_type_name(const ir_type *tp) {
assert(tp && tp->kind == k_type);
return (get_id_str(tp->name));
}
-int (get_type_size_bytes)(const type *tp) {
+int (get_type_size_bytes)(const ir_type *tp) {
return _get_type_size_bytes(tp);
}
-int (get_type_size_bits)(const type *tp) {
+int (get_type_size_bits)(const ir_type *tp) {
return _get_type_size_bits(tp);
}
-visibility get_type_visibility (const type *tp) {
+visibility get_type_visibility (const ir_type *tp) {
#if 0
visibility res = visibility_local;
if (is_compound_type(tp)) {
return tp->visibility;
}
-void set_type_visibility (type *tp, visibility v) {
+void set_type_visibility (ir_type *tp, visibility v) {
assert(is_type(tp));
#if 0
/* check for correctness */
}
void
-set_type_size_bits(type *tp, int size) {
+set_type_size_bits(ir_type *tp, int size) {
const tp_op *tpop = get_type_tpop(tp);
if (tpop->ops.set_type_size)
}
void
-set_type_size_bytes(type *tp, int size) {
+set_type_size_bytes(ir_type *tp, int size) {
set_type_size_bits(tp, 8*size);
}
-int get_type_alignment_bytes(type *tp) {
+int get_type_alignment_bytes(ir_type *tp) {
int align = get_type_alignment_bits(tp);
return align < 0 ? align : (align + 7) >> 3;
}
-int get_type_alignment_bits(type *tp) {
+int get_type_alignment_bits(ir_type *tp) {
int align = 8;
if (tp->align > 0)
align = 0;
for (i = 0; i < n; ++i) {
- type *t = get_entity_type(get_compound_member(tp, i));
+ ir_type *t = get_entity_type(get_compound_member(tp, i));
int a = get_type_alignment_bits(t);
if (a > align)
}
void
-set_type_alignment_bits(type *tp, int align) {
+set_type_alignment_bits(ir_type *tp, int align) {
assert(tp && tp->kind == k_type);
+ assert((align == -1 || (align & (align - 1)) == 0) && "type alignment not power of two");
/* Methods don't have an alignment. */
if (tp->type_op != type_method) {
tp->align = align;
}
void
-set_type_alignment_bytes(type *tp, int align) {
- set_type_alignment_bits(tp, 8*align);
+set_type_alignment_bytes(ir_type *tp, int align) {
+ if (align == -1) {
+ set_type_alignment_bits(tp, -1);
+ } else {
+ set_type_alignment_bits(tp, 8*align);
+ }
}
/* Returns a human readable string for the enum entry. */
}
-type_state (get_type_state)(const type *tp) {
+type_state (get_type_state)(const ir_type *tp) {
return _get_type_state(tp);
}
void
-set_type_state(type *tp, type_state state) {
+set_type_state(ir_type *tp, type_state state) {
assert(tp && tp->kind == k_type);
if ((tp->type_op == type_pointer) || (tp->type_op == type_primitive) ||
default: break;
} /* switch (tp) */
}
- tp->state = state;
+ if (state == layout_fixed)
+ tp->flags |= tf_layout_fixed;
+ else
+ tp->flags &= tf_layout_fixed;
}
-unsigned long (get_type_visited)(const type *tp) {
+unsigned long (get_type_visited)(const ir_type *tp) {
return _get_type_visited(tp);
}
-void (set_type_visited)(type *tp, unsigned long num) {
+void (set_type_visited)(ir_type *tp, unsigned long num) {
_set_type_visited(tp, num);
}
/* Sets visited field in type to type_visited. */
-void (mark_type_visited)(type *tp) {
+void (mark_type_visited)(ir_type *tp) {
_mark_type_visited(tp);
}
-int (type_visited)(const type *tp) {
+int (type_visited)(const ir_type *tp) {
return _type_visited(tp);
}
-int (type_not_visited)(const type *tp) {
+int (type_not_visited)(const ir_type *tp) {
return _type_not_visited(tp);
}
}
/* Checks whether two types are structural equal.*/
-int equal_type(type *typ1, type *typ2) {
+int equal_type(ir_type *typ1, ir_type *typ2) {
entity **m;
- type **t;
+ ir_type **t;
int i, j;
if (typ1 == typ2) return 1;
memset(t, 0, sizeof(entity *) * get_class_n_supertypes(typ1));
/* First sort the supertypes of typ2 */
for (i = 0; i < get_class_n_supertypes(typ1); i++) {
- type *t1 = get_class_supertype(typ1, i);
+ ir_type *t1 = get_class_supertype(typ1, i);
for (j = 0; j < get_class_n_supertypes(typ2); j++) {
- type *t2 = get_class_supertype(typ2, j);
+ ir_type *t2 = get_class_supertype(typ2, j);
if (get_type_ident(t2) == get_type_ident(t1))
t[i] = t2;
}
}
/* Checks whether two types are structural comparable. */
-int smaller_type (type *st, type *lt) {
+int smaller_type (ir_type *st, ir_type *lt) {
entity **m;
int i, j;
switch(get_type_tpop_code(st)) {
case tpo_class: {
- return is_subclass_of(st, lt);
+ return is_SubClass_of(st, lt);
} break;
case tpo_struct: {
if (get_struct_n_members(st) != get_struct_n_members(lt)) return 0;
}
} break;
case tpo_array: {
- type *set, *let; /* small/large elt. type */
+ ir_type *set, *let; /* small/large elt. ir_type */
if (get_array_n_dimensions(st) != get_array_n_dimensions(lt))
return 0;
set = get_array_element_type(st);
/* TYPE_CLASS */
/*-----------------------------------------------------------------*/
-/* create a new class type */
-type *new_d_type_class (ident *name, dbg_info *db) {
- type *res;
+/* create a new class ir_type */
+ir_type *new_d_type_class (ident *name, dbg_info *db) {
+ ir_type *res;
res = new_type(type_class, NULL, name, db);
res->attr.ca.members = NEW_ARR_F (entity *, 0);
- res->attr.ca.subtypes = NEW_ARR_F (type *, 0);
- res->attr.ca.supertypes = NEW_ARR_F (type *, 0);
+ res->attr.ca.subtypes = NEW_ARR_F (ir_type *, 0);
+ res->attr.ca.supertypes = NEW_ARR_F (ir_type *, 0);
res->attr.ca.peculiarity = peculiarity_existent;
+ res->attr.ca.type_info = NULL;
+ res->attr.ca.final = 0;
res->attr.ca.dfn = 0;
hook_new_type(res);
return res;
}
-type *new_type_class (ident *name) {
+ir_type *new_type_class (ident *name) {
return new_d_type_class (name, NULL);
}
-void free_class_entities(type *clss) {
+/* free all entities of a class */
+void free_class_entities(ir_type *clss) {
int i;
assert(clss && (clss->type_op == type_class));
for (i = get_class_n_members(clss) - 1; i >= 0; --i)
free_entity(get_class_member(clss, i));
+ /* do NOT free the type info here. It belongs to another class */
}
-void free_class_attrs(type *clss) {
+void free_class_attrs(ir_type *clss) {
assert(clss && (clss->type_op == type_class));
DEL_ARR_F(clss->attr.ca.members);
DEL_ARR_F(clss->attr.ca.subtypes);
}
/* manipulate private fields of class type */
-void add_class_member (type *clss, entity *member) {
+void add_class_member (ir_type *clss, entity *member) {
assert(clss && (clss->type_op == type_class));
assert(clss != get_entity_type(member) && "recursive type");
ARR_APP1 (entity *, clss->attr.ca.members, member);
}
-int (get_class_n_members) (const type *clss) {
+int (get_class_n_members) (const ir_type *clss) {
return _get_class_n_members(clss);
}
-int get_class_member_index(type *clss, entity *mem) {
- int i;
+int get_class_member_index(const ir_type *clss, entity *mem) {
+ int i, n;
assert(clss && (clss->type_op == type_class));
- for (i = 0; i < get_class_n_members(clss); i++)
+ for (i = 0, n = get_class_n_members(clss); i < n; ++i)
if (get_class_member(clss, i) == mem)
return i;
return -1;
}
-entity *(get_class_member) (const type *clss, int pos) {
+entity *(get_class_member) (const ir_type *clss, int pos) {
return _get_class_member(clss, pos);
}
-entity *get_class_member_by_name(type *clss, ident *name) {
+entity *get_class_member_by_name(ir_type *clss, ident *name) {
int i, n_mem;
assert(clss && (clss->type_op == type_class));
n_mem = get_class_n_members(clss);
return NULL;
}
-void set_class_member (type *clss, entity *member, int pos) {
+void set_class_member (ir_type *clss, entity *member, int pos) {
assert(clss && (clss->type_op == type_class));
assert(pos >= 0 && pos < get_class_n_members(clss));
clss->attr.ca.members[pos] = member;
}
-void set_class_members (type *clss, entity **members, int arity) {
+void set_class_members (ir_type *clss, entity **members, int arity) {
int i;
assert(clss && (clss->type_op == type_class));
DEL_ARR_F(clss->attr.ca.members);
ARR_APP1 (entity *, clss->attr.ca.members, members[i]);
}
}
-void remove_class_member(type *clss, entity *member) {
+void remove_class_member(ir_type *clss, entity *member) {
int i;
assert(clss && (clss->type_op == type_class));
for (i = 0; i < (ARR_LEN (clss->attr.ca.members)); i++) {
}
}
-void add_class_subtype (type *clss, type *subtype) {
+void add_class_subtype (ir_type *clss, ir_type *subtype) {
int i;
assert(clss && (clss->type_op == type_class));
- ARR_APP1 (type *, clss->attr.ca.subtypes, subtype);
+ ARR_APP1 (ir_type *, clss->attr.ca.subtypes, subtype);
for (i = 0; i < get_class_n_supertypes(subtype); i++)
if (get_class_supertype(subtype, i) == clss)
/* Class already registered */
return;
- ARR_APP1 (type *, subtype->attr.ca.supertypes, clss);
+ ARR_APP1 (ir_type *, subtype->attr.ca.supertypes, clss);
}
-int get_class_n_subtypes (const type *clss) {
+int get_class_n_subtypes (const ir_type *clss) {
assert(clss && (clss->type_op == type_class));
return (ARR_LEN (clss->attr.ca.subtypes));
}
-type *get_class_subtype (type *clss, int pos) {
+ir_type *get_class_subtype (ir_type *clss, int pos) {
assert(clss && (clss->type_op == type_class));
assert(pos >= 0 && pos < get_class_n_subtypes(clss));
return clss->attr.ca.subtypes[pos] = skip_tid(clss->attr.ca.subtypes[pos]);
}
-int get_class_subtype_index(type *clss, const type *subclass) {
+int get_class_subtype_index(ir_type *clss, const ir_type *subclass) {
int i, n_subtypes = get_class_n_subtypes(clss);
assert(is_Class_type(subclass));
for (i = 0; i < n_subtypes; ++i) {
}
return -1;
}
-void set_class_subtype (type *clss, type *subtype, int pos) {
+void set_class_subtype (ir_type *clss, ir_type *subtype, int pos) {
assert(clss && (clss->type_op == type_class));
assert(pos >= 0 && pos < get_class_n_subtypes(clss));
clss->attr.ca.subtypes[pos] = subtype;
}
-void remove_class_subtype(type *clss, type *subtype) {
+void remove_class_subtype(ir_type *clss, ir_type *subtype) {
int i;
assert(clss && (clss->type_op == type_class));
for (i = 0; i < (ARR_LEN (clss->attr.ca.subtypes)); i++)
}
}
-void add_class_supertype (type *clss, type *supertype) {
+void add_class_supertype (ir_type *clss, ir_type *supertype) {
int i;
assert(clss && (clss->type_op == type_class));
assert(supertype && (supertype -> type_op == type_class));
- ARR_APP1 (type *, clss->attr.ca.supertypes, supertype);
- for (i = 0; i < get_class_n_subtypes(supertype); i++)
+ ARR_APP1 (ir_type *, clss->attr.ca.supertypes, supertype);
+ for (i = get_class_n_subtypes(supertype) - 1; i >= 0; --i)
if (get_class_subtype(supertype, i) == clss)
/* Class already registered */
return;
- ARR_APP1 (type *, supertype->attr.ca.subtypes, clss);
+ ARR_APP1 (ir_type *, supertype->attr.ca.subtypes, clss);
}
-int get_class_n_supertypes (const type *clss) {
+int get_class_n_supertypes (const ir_type *clss) {
assert(clss && (clss->type_op == type_class));
return (ARR_LEN (clss->attr.ca.supertypes));
}
-int get_class_supertype_index(type *clss, type *super_clss) {
+int get_class_supertype_index(ir_type *clss, ir_type *super_clss) {
int i, n_supertypes = get_class_n_supertypes(clss);
assert(super_clss && (super_clss->type_op == type_class));
for (i = 0; i < n_supertypes; i++)
return i;
return -1;
}
-type *get_class_supertype (type *clss, int pos) {
+ir_type *get_class_supertype (ir_type *clss, int pos) {
assert(clss && (clss->type_op == type_class));
assert(pos >= 0 && pos < get_class_n_supertypes(clss));
return clss->attr.ca.supertypes[pos] = skip_tid(clss->attr.ca.supertypes[pos]);
}
-void set_class_supertype (type *clss, type *supertype, int pos) {
+void set_class_supertype (ir_type *clss, ir_type *supertype, int pos) {
assert(clss && (clss->type_op == type_class));
assert(pos >= 0 && pos < get_class_n_supertypes(clss));
clss->attr.ca.supertypes[pos] = supertype;
}
-void remove_class_supertype(type *clss, type *supertype) {
+void remove_class_supertype(ir_type *clss, ir_type *supertype) {
int i;
assert(clss && (clss->type_op == type_class));
for (i = 0; i < (ARR_LEN (clss->attr.ca.supertypes)); i++)
break;
}
}
+entity *get_class_type_info(const ir_type *clss) {
+ return clss->attr.ca.type_info;
+}
+void set_class_type_info(ir_type *clss, entity *ent) {
+ clss->attr.ca.type_info = ent;
+}
const char *get_peculiarity_string(peculiarity p) {
#define X(a) case a: return #a
return "invalid peculiarity";
}
-peculiarity get_class_peculiarity (const type *clss) {
+peculiarity get_class_peculiarity (const ir_type *clss) {
assert(clss && (clss->type_op == type_class));
return clss->attr.ca.peculiarity;
}
-void set_class_peculiarity (type *clss, peculiarity pec) {
+void set_class_peculiarity (ir_type *clss, peculiarity pec) {
assert(clss && (clss->type_op == type_class));
assert(pec != peculiarity_inherited); /* There is no inheritance of types in libFirm. */
clss->attr.ca.peculiarity = pec;
}
-void set_class_dfn (type *clss, int dfn)
-{
- clss->attr.ca.dfn = dfn;
+int (is_class_final)(const ir_type *clss) {
+ return _is_class_final(clss);
}
-int get_class_dfn (const type *clss)
-{
+void (set_class_final)(ir_type *clss, int final) {
+ _set_class_final(clss, final);
+}
+
+void set_class_dfn (ir_type *clss, int dfn) {
+ clss->attr.ca.dfn = dfn;
+}
+
+int get_class_dfn (const ir_type *clss) {
return (clss->attr.ca.dfn);
}
/* typecheck */
-int (is_Class_type)(const type *clss) {
+int (is_Class_type)(const ir_type *clss) {
return _is_class_type(clss);
}
-void set_class_mode(type *tp, ir_mode *mode) {
+void set_class_mode(ir_type *tp, ir_mode *mode) {
/* for classes and structs we allow to set a mode if the layout is fixed AND the size matches */
assert(get_type_state(tp) == layout_fixed &&
tp->size == get_mode_size_bits(mode) && "mode don't match class layout");
tp->mode = mode;
}
-void set_class_size_bits(type *tp, int size) {
+void set_class_size_bits(ir_type *tp, int size) {
/* argh: we must allow to set negative values as "invalid size" */
tp->size = (size >= 0) ? (size + 7) & ~7 : size;
assert(tp->size == size && "setting a bit size is NOT allowed for this type");
/*----------------------------------------------------------------**/
/* create a new type struct */
-type *new_d_type_struct(ident *name, dbg_info *db) {
- type *res = new_type(type_struct, NULL, name, db);
+ir_type *new_d_type_struct(ident *name, dbg_info *db) {
+ ir_type *res = new_type(type_struct, NULL, name, db);
res->attr.sa.members = NEW_ARR_F(entity *, 0);
hook_new_type(res);
return res;
}
-type *new_type_struct (ident *name) {
+ir_type *new_type_struct (ident *name) {
return new_d_type_struct (name, NULL);
}
-void free_struct_entities (type *strct) {
+void free_struct_entities (ir_type *strct) {
int i;
assert(strct && (strct->type_op == type_struct));
for (i = get_struct_n_members(strct)-1; i >= 0; --i)
free_entity(get_struct_member(strct, i));
}
-void free_struct_attrs (type *strct) {
+void free_struct_attrs (ir_type *strct) {
assert(strct && (strct->type_op == type_struct));
DEL_ARR_F(strct->attr.sa.members);
}
/* manipulate private fields of struct */
-int get_struct_n_members (const type *strct) {
+int get_struct_n_members (const ir_type *strct) {
assert(strct && (strct->type_op == type_struct));
return (ARR_LEN (strct->attr.sa.members));
}
-void add_struct_member (type *strct, entity *member) {
+void add_struct_member (ir_type *strct, entity *member) {
assert(strct && (strct->type_op == type_struct));
assert(get_type_tpop(get_entity_type(member)) != type_method);
/* @@@ lowerfirm geht nicht durch */
ARR_APP1 (entity *, strct->attr.sa.members, member);
}
-entity *get_struct_member (const type *strct, int pos) {
+entity *get_struct_member (const ir_type *strct, int pos) {
assert(strct && (strct->type_op == type_struct));
assert(pos >= 0 && pos < get_struct_n_members(strct));
return strct->attr.sa.members[pos];
}
-int get_struct_member_index(type *strct, entity *mem) {
- int i;
+int get_struct_member_index(const ir_type *strct, entity *mem) {
+ int i, n;
assert(strct && (strct->type_op == type_struct));
- for (i = 0; i < get_struct_n_members(strct); i++)
+ for (i = 0, n = get_struct_n_members(strct); i < n; ++i)
if (get_struct_member(strct, i) == mem)
return i;
return -1;
}
-void set_struct_member (type *strct, int pos, entity *member) {
+void set_struct_member (ir_type *strct, int pos, entity *member) {
assert(strct && (strct->type_op == type_struct));
assert(pos >= 0 && pos < get_struct_n_members(strct));
assert(get_entity_type(member)->type_op != type_method);/* @@@ lowerfirm !!*/
strct->attr.sa.members[pos] = member;
}
-void remove_struct_member(type *strct, entity *member) {
+void remove_struct_member(ir_type *strct, entity *member) {
int i;
assert(strct && (strct->type_op == type_struct));
for (i = 0; i < (ARR_LEN (strct->attr.sa.members)); i++)
}
/* typecheck */
-int (is_Struct_type)(const type *strct) {
+int (is_Struct_type)(const ir_type *strct) {
return _is_struct_type(strct);
}
-void set_struct_mode(type *tp, ir_mode *mode) {
+void set_struct_mode(ir_type *tp, ir_mode *mode) {
/* for classes and structs we allow to set a mode if the layout is fixed AND the size matches */
assert(get_type_state(tp) == layout_fixed &&
tp->size == get_mode_size_bits(mode) && "mode don't match struct layout");
tp->mode = mode;
}
-void set_struct_size_bits(type *tp, int size) {
+void set_struct_size_bits(ir_type *tp, int size) {
/* argh: we must allow to set negative values as "invalid size" */
tp->size = (size >= 0) ? (size + 7) & ~7 : size;
assert(tp->size == size && "setting a bit size is NOT allowed for this type");
* @param len number of fields
* @param tps array of field types with length len
*/
-static INLINE type *
+static INLINE ir_type *
build_value_type(ident *name, int len, tp_ent_pair *tps) {
int i;
- type *res = new_type_struct(name);
+ ir_type *res = new_type_struct(name);
/* Remove type from type list. Must be treated differently than other types. */
remove_irp_type(res);
for (i = 0; i < len; i++) {
/* use res as default if corresponding type is not yet set. */
- type *elt_type = tps[i].tp ? tps[i].tp : res;
+ ir_type *elt_type = tps[i].tp ? tps[i].tp : res;
tps[i].ent = new_entity(res, mangle_u(name, get_type_ident(elt_type)), elt_type);
}
/* Create a new method type.
N_param is the number of parameters, n_res the number of results. */
-type *new_d_type_method(ident *name, int n_param, int n_res, dbg_info *db) {
- type *res;
+ir_type *new_d_type_method(ident *name, int n_param, int n_res, dbg_info *db) {
+ ir_type *res;
assert((get_mode_size_bytes(mode_P_code) != -1) && "unorthodox modes not implemented");
res = new_type(type_method, mode_P_code, name, db);
- res->state = layout_fixed;
+ res->flags |= tf_layout_fixed;
res->size = get_mode_size_bits(mode_P_code);
res->attr.ma.n_params = n_param;
res->attr.ma.param_type = xcalloc(n_param, sizeof(res->attr.ma.param_type[0]));
res->attr.ma.value_ress = NULL;
res->attr.ma.variadicity = variadicity_non_variadic;
res->attr.ma.first_variadic_param = -1;
+ res->attr.ma.additional_properties = mtp_no_property;
res->attr.ma.irg_calling_conv = default_cc_mask;
hook_new_type(res);
return res;
}
-type *new_type_method(ident *name, int n_param, int n_res) {
+ir_type *new_type_method(ident *name, int n_param, int n_res) {
return new_d_type_method(name, n_param, n_res, NULL);
}
-void free_method_entities(type *method) {
+void free_method_entities(ir_type *method) {
assert(method && (method->type_op == type_method));
}
/* Attention: also frees entities in value parameter subtypes! */
-void free_method_attrs(type *method) {
+void free_method_attrs(ir_type *method) {
assert(method && (method->type_op == type_method));
free(method->attr.ma.param_type);
free(method->attr.ma.res_type);
}
/* manipulate private fields of method. */
-int (get_method_n_params)(const type *method) {
+int (get_method_n_params)(const ir_type *method) {
return _get_method_n_params(method);
}
-type *get_method_param_type(type *method, int pos) {
- type *res;
+ir_type *get_method_param_type(ir_type *method, int pos) {
+ ir_type *res;
assert(method && (method->type_op == type_method));
assert(pos >= 0 && pos < get_method_n_params(method));
res = method->attr.ma.param_type[pos].tp;
return method->attr.ma.param_type[pos].tp = skip_tid(res);
}
-void set_method_param_type(type *method, int pos, type* tp) {
+void set_method_param_type(ir_type *method, int pos, ir_type *tp) {
assert(method && (method->type_op == type_method));
assert(pos >= 0 && pos < get_method_n_params(method));
method->attr.ma.param_type[pos].tp = tp;
/* Returns an entity that represents the copied value argument. Only necessary
for compounds passed by value. */
-entity *get_method_value_param_ent(type *method, int pos) {
+entity *get_method_value_param_ent(ir_type *method, int pos) {
assert(method && (method->type_op == type_method));
assert(pos >= 0 && pos < get_method_n_params(method));
/*
* Returns a type that represents the copied value arguments.
*/
-type *get_method_value_param_type(const type *method)
+ir_type *get_method_value_param_type(const ir_type *method)
{
assert(method && (method->type_op == type_method));
return method->attr.ma.value_params;
}
-int (get_method_n_ress)(const type *method) {
+int (get_method_n_ress)(const ir_type *method) {
return _get_method_n_ress(method);
}
-type *get_method_res_type(type *method, int pos) {
- type *res;
+ir_type *get_method_res_type(ir_type *method, int pos) {
+ ir_type *res;
assert(method && (method->type_op == type_method));
assert(pos >= 0 && pos < get_method_n_ress(method));
res = method->attr.ma.res_type[pos].tp;
return method->attr.ma.res_type[pos].tp = skip_tid(res);
}
-void set_method_res_type(type *method, int pos, type* tp) {
+void set_method_res_type(ir_type *method, int pos, ir_type *tp) {
assert(method && (method->type_op == type_method));
assert(pos >= 0 && pos < get_method_n_ress(method));
- /* set the result type */
+ /* set the result ir_type */
method->attr.ma.res_type[pos].tp = tp;
/* If information constructed set pass-by-value representation. */
if (method->attr.ma.value_ress) {
/* Returns an entity that represents the copied value result. Only necessary
for compounds passed by value. */
-entity *get_method_value_res_ent(type *method, int pos) {
+entity *get_method_value_res_ent(ir_type *method, int pos) {
assert(method && (method->type_op == type_method));
assert(pos >= 0 && pos < get_method_n_ress(method));
/*
* Returns a type that represents the copied value results.
*/
-type *get_method_value_res_type(const type *method) {
+ir_type *get_method_value_res_type(const ir_type *method) {
assert(method && (method->type_op == type_method));
return method->attr.ma.value_ress;
}
#undef X
}
-variadicity get_method_variadicity(const type *method)
+variadicity get_method_variadicity(const ir_type *method)
{
assert(method && (method->type_op == type_method));
return method->attr.ma.variadicity;
}
-void set_method_variadicity(type *method, variadicity vari)
+void set_method_variadicity(ir_type *method, variadicity vari)
{
assert(method && (method->type_op == type_method));
method->attr.ma.variadicity = vari;
* of the method type plus one is returned for variadic functions.
* Non-variadic function types always return -1 here.
*/
-int get_method_first_variadic_param_index(const type *method)
+int get_method_first_variadic_param_index(const ir_type *method)
{
assert(method && (method->type_op == type_method));
* but still have the knowledge, which parameter must be passed as
* variadic one.
*/
-void set_method_first_variadic_param_index(type *method, int index)
+void set_method_first_variadic_param_index(ir_type *method, int index)
{
assert(method && (method->type_op == type_method));
assert(index >= 0 && index <= get_method_n_params(method));
method->attr.ma.first_variadic_param = index;
}
-unsigned (get_method_additional_properties)(const type *method) {
+unsigned (get_method_additional_properties)(const ir_type *method) {
return _get_method_additional_properties(method);
}
-void (set_method_additional_properties)(type *method, unsigned mask) {
+void (set_method_additional_properties)(ir_type *method, unsigned mask) {
_set_method_additional_properties(method, mask);
}
-void (set_method_additional_property)(type *method, mtp_additional_property flag) {
+void (set_method_additional_property)(ir_type *method, mtp_additional_property flag) {
_set_method_additional_property(method, flag);
}
/* Returns the calling convention of an entities graph. */
-unsigned (get_method_calling_convention)(const type *method) {
+unsigned (get_method_calling_convention)(const ir_type *method) {
return _get_method_calling_convention(method);
}
/* Sets the calling convention of an entities graph. */
-void (set_method_calling_convention)(type *method, unsigned cc_mask) {
+void (set_method_calling_convention)(ir_type *method, unsigned cc_mask) {
_set_method_calling_convention(method, cc_mask);
}
+/* Returns the number of registers parameters, 0 means default. */
+unsigned get_method_n_regparams(ir_type *method) {
+ unsigned cc = get_method_calling_convention(method);
+ assert(IS_FASTCALL(cc));
+
+ return cc & ~cc_bits;
+}
+
+/* Sets the number of registers parameters, 0 means default. */
+void set_method_n_regparams(ir_type *method, unsigned n_regs) {
+ unsigned cc = get_method_calling_convention(method);
+ assert(IS_FASTCALL(cc));
+
+ set_method_calling_convention(method, (cc & cc_bits) | (n_regs & ~cc_bits));
+}
+
/* typecheck */
-int (is_Method_type)(const type *method) {
+int (is_Method_type)(const ir_type *method) {
return _is_method_type(method);
}
/*-----------------------------------------------------------------*/
/* create a new type uni */
-type *new_d_type_union(ident *name, dbg_info *db) {
- type *res = new_type(type_union, NULL, name, db);
+ir_type *new_d_type_union(ident *name, dbg_info *db) {
+ ir_type *res = new_type(type_union, NULL, name, db);
res->attr.ua.members = NEW_ARR_F(entity *, 0);
hook_new_type(res);
return res;
}
-type *new_type_union(ident *name) {
+ir_type *new_type_union(ident *name) {
return new_d_type_union(name, NULL);
}
-void free_union_entities(type *uni) {
+void free_union_entities(ir_type *uni) {
int i;
assert(uni && (uni->type_op == type_union));
for (i = get_union_n_members(uni) - 1; i >= 0; --i)
free_entity(get_union_member(uni, i));
}
-void free_union_attrs (type *uni) {
+void free_union_attrs (ir_type *uni) {
assert(uni && (uni->type_op == type_union));
DEL_ARR_F(uni->attr.ua.members);
}
/* manipulate private fields of union */
-int get_union_n_members (const type *uni) {
+int get_union_n_members (const ir_type *uni) {
assert(uni && (uni->type_op == type_union));
return (ARR_LEN (uni->attr.ua.members));
}
-void add_union_member (type *uni, entity *member) {
+void add_union_member (ir_type *uni, entity *member) {
assert(uni && (uni->type_op == type_union));
assert(uni != get_entity_type(member) && "recursive type");
ARR_APP1 (entity *, uni->attr.ua.members, member);
}
-entity *get_union_member (const type *uni, int pos) {
+entity *get_union_member (const ir_type *uni, int pos) {
assert(uni && (uni->type_op == type_union));
assert(pos >= 0 && pos < get_union_n_members(uni));
return uni->attr.ua.members[pos];
}
-void set_union_member (type *uni, int pos, entity *member) {
+int get_union_member_index(const ir_type *uni, entity *mem) {
+ int i, n;
+ assert(uni && (uni->type_op == type_union));
+ for (i = 0, n = get_union_n_members(uni); i < n; ++i)
+ if (get_union_member(uni, i) == mem)
+ return i;
+ return -1;
+}
+void set_union_member (ir_type *uni, int pos, entity *member) {
assert(uni && (uni->type_op == type_union));
assert(pos >= 0 && pos < get_union_n_members(uni));
uni->attr.ua.members[pos] = member;
}
-void remove_union_member(type *uni, entity *member) {
+void remove_union_member(ir_type *uni, entity *member) {
int i;
assert(uni && (uni->type_op == type_union));
for (i = 0; i < (ARR_LEN (uni->attr.ua.members)); i++)
}
/* typecheck */
-int (is_Union_type)(const type *uni) {
+int (is_Union_type)(const ir_type *uni) {
return _is_union_type(uni);
}
-void set_union_size_bits(type *tp, int size) {
+void set_union_size_bits(ir_type *tp, int size) {
/* argh: we must allow to set negative values as "invalid size" */
tp->size = (size >= 0) ? (size + 7) & ~7 : size;
assert(tp->size == size && "setting a bit size is NOT allowed for this type");
/* create a new type array -- set dimension sizes independently */
-type *new_d_type_array(ident *name, int n_dimensions, type *element_type, dbg_info *db) {
- type *res;
+ir_type *new_d_type_array(ident *name, int n_dimensions, ir_type *element_type, dbg_info *db) {
+ ir_type *res;
int i;
ir_node *unk;
ir_graph *rem = current_ir_graph;
return res;
}
-type *new_type_array(ident *name, int n_dimensions, type *element_type) {
+ir_type *new_type_array(ident *name, int n_dimensions, ir_type *element_type) {
return new_d_type_array(name, n_dimensions, element_type, NULL);
}
-void free_array_automatic_entities(type *array) {
+void free_array_automatic_entities(ir_type *array) {
assert(array && (array->type_op == type_array));
free_entity(get_array_element_entity(array));
}
-void free_array_entities (type *array) {
+void free_array_entities (ir_type *array) {
assert(array && (array->type_op == type_array));
}
-void free_array_attrs (type *array) {
+void free_array_attrs (ir_type *array) {
assert(array && (array->type_op == type_array));
free(array->attr.aa.lower_bound);
free(array->attr.aa.upper_bound);
+ free(array->attr.aa.order);
}
-/* manipulate private fields of array type */
-int get_array_n_dimensions (const type *array) {
+/* manipulate private fields of array ir_type */
+int get_array_n_dimensions (const ir_type *array) {
assert(array && (array->type_op == type_array));
return array->attr.aa.n_dimensions;
}
void
-set_array_bounds (type *array, int dimension, ir_node * lower_bound,
+set_array_bounds (ir_type *array, int dimension, ir_node * lower_bound,
ir_node * upper_bound) {
assert(array && (array->type_op == type_array));
assert(lower_bound && "lower_bound node may not be NULL.");
array->attr.aa.upper_bound[dimension] = upper_bound;
}
void
-set_array_bounds_int (type *array, int dimension, int lower_bound,
+set_array_bounds_int (ir_type *array, int dimension, int lower_bound,
int upper_bound) {
ir_graph *rem = current_ir_graph;
current_ir_graph = get_const_code_irg();
current_ir_graph = rem;
}
void
-set_array_lower_bound (type *array, int dimension, ir_node * lower_bound) {
+set_array_lower_bound (ir_type *array, int dimension, ir_node * lower_bound) {
assert(array && (array->type_op == type_array));
assert(lower_bound && "lower_bound node may not be NULL.");
array->attr.aa.lower_bound[dimension] = lower_bound;
}
-void set_array_lower_bound_int (type *array, int dimension, int lower_bound) {
+void set_array_lower_bound_int (ir_type *array, int dimension, int lower_bound) {
ir_graph *rem = current_ir_graph;
current_ir_graph = get_const_code_irg();
set_array_lower_bound (array, dimension,
current_ir_graph = rem;
}
void
-set_array_upper_bound (type *array, int dimension, ir_node * upper_bound) {
+set_array_upper_bound (ir_type *array, int dimension, ir_node * upper_bound) {
assert(array && (array->type_op == type_array));
assert(upper_bound && "upper_bound node may not be NULL.");
array->attr.aa.upper_bound[dimension] = upper_bound;
}
-void set_array_upper_bound_int (type *array, int dimension, int upper_bound) {
+void set_array_upper_bound_int (ir_type *array, int dimension, int upper_bound) {
ir_graph *rem = current_ir_graph;
current_ir_graph = get_const_code_irg();
set_array_upper_bound (array, dimension,
new_Const(mode_Iu, new_tarval_from_long (upper_bound, mode_Iu)));
current_ir_graph = rem;
}
-int has_array_lower_bound (const type *array, int dimension) {
+int has_array_lower_bound (const ir_type *array, int dimension) {
assert(array && (array->type_op == type_array));
return (get_irn_op(array->attr.aa.lower_bound[dimension]) != op_Unknown);
}
-ir_node *get_array_lower_bound (const type *array, int dimension) {
+ir_node *get_array_lower_bound (const ir_type *array, int dimension) {
assert(array && (array->type_op == type_array));
return array->attr.aa.lower_bound[dimension];
}
-long get_array_lower_bound_int (const type *array, int dimension) {
+long get_array_lower_bound_int (const ir_type *array, int dimension) {
ir_node *node;
assert(array && (array->type_op == type_array));
node = array->attr.aa.lower_bound[dimension];
assert(get_irn_op(node) == op_Const);
return get_tarval_long(get_Const_tarval(node));
}
-int has_array_upper_bound (const type *array, int dimension) {
+int has_array_upper_bound (const ir_type *array, int dimension) {
assert(array && (array->type_op == type_array));
return (get_irn_op(array->attr.aa.upper_bound[dimension]) != op_Unknown);
}
-ir_node * get_array_upper_bound (const type *array, int dimension) {
+ir_node * get_array_upper_bound (const ir_type *array, int dimension) {
assert(array && (array->type_op == type_array));
return array->attr.aa.upper_bound[dimension];
}
-long get_array_upper_bound_int (const type *array, int dimension) {
+long get_array_upper_bound_int (const ir_type *array, int dimension) {
ir_node *node;
assert(array && (array->type_op == type_array));
node = array->attr.aa.upper_bound[dimension];
return get_tarval_long(get_Const_tarval(node));
}
-void set_array_order (type *array, int dimension, int order) {
+void set_array_order (ir_type *array, int dimension, int order) {
assert(array && (array->type_op == type_array));
array->attr.aa.order[dimension] = order;
}
-int get_array_order (const type *array, int dimension) {
+int get_array_order (const ir_type *array, int dimension) {
assert(array && (array->type_op == type_array));
return array->attr.aa.order[dimension];
}
-int find_array_dimension(const type *array, int order) {
+int find_array_dimension(const ir_type *array, int order) {
int dim;
assert(array && (array->type_op == type_array));
return -1;
}
-void set_array_element_type (type *array, type *tp) {
+void set_array_element_type (ir_type *array, ir_type *tp) {
assert(array && (array->type_op == type_array));
assert(!is_Method_type(tp));
array->attr.aa.element_type = tp;
}
-type *get_array_element_type (type *array) {
+ir_type *get_array_element_type (ir_type *array) {
assert(array && (array->type_op == type_array));
return array->attr.aa.element_type = skip_tid(array->attr.aa.element_type);
}
-void set_array_element_entity (type *array, entity *ent) {
+void set_array_element_entity (ir_type *array, entity *ent) {
assert(array && (array->type_op == type_array));
assert((get_entity_type(ent)->type_op != type_method));
array->attr.aa.element_ent = ent;
array->attr.aa.element_type = get_entity_type(ent);
}
-entity *get_array_element_entity (const type *array) {
+entity *get_array_element_entity (const ir_type *array) {
assert(array && (array->type_op == type_array));
return array->attr.aa.element_ent;
}
/* typecheck */
-int (is_Array_type)(const type *array) {
+int (is_Array_type)(const ir_type *array) {
return _is_array_type(array);
}
-void set_array_size_bits(type *tp, int size) {
+void set_array_size_bits(ir_type *tp, int size) {
/* FIXME: Here we should make some checks with the element type size */
tp->size = size;
}
/*-----------------------------------------------------------------*/
/* create a new type enumeration -- set the enumerators independently */
-type *new_d_type_enumeration(ident *name, int n_enums, dbg_info *db) {
- type *res = new_type(type_enumeration, NULL, name, db);
+ir_type *new_d_type_enumeration(ident *name, int n_enums, dbg_info *db) {
+ ir_type *res = new_type(type_enumeration, NULL, name, db);
res->attr.ea.n_enums = n_enums;
res->attr.ea.enumer = xcalloc(n_enums, sizeof(res->attr.ea.enumer[0]));
return res;
}
-type *new_type_enumeration(ident *name, int n_enums) {
+ir_type *new_type_enumeration(ident *name, int n_enums) {
return new_d_type_enumeration(name, n_enums, NULL);
}
-void free_enumeration_entities(type *enumeration) {
+void free_enumeration_entities(ir_type *enumeration) {
assert(enumeration && (enumeration->type_op == type_enumeration));
}
-void free_enumeration_attrs(type *enumeration) {
+void free_enumeration_attrs(ir_type *enumeration) {
assert(enumeration && (enumeration->type_op == type_enumeration));
free(enumeration->attr.ea.enumer);
free(enumeration->attr.ea.enum_nameid);
}
/* manipulate fields of enumeration type. */
-int get_enumeration_n_enums (const type *enumeration) {
+int get_enumeration_n_enums (const ir_type *enumeration) {
assert(enumeration && (enumeration->type_op == type_enumeration));
return enumeration->attr.ea.n_enums;
}
-void set_enumeration_enum (type *enumeration, int pos, tarval *con) {
+void set_enumeration_enum (ir_type *enumeration, int pos, tarval *con) {
assert(enumeration && (enumeration->type_op == type_enumeration));
assert(pos >= 0 && pos < get_enumeration_n_enums(enumeration));
enumeration->attr.ea.enumer[pos] = con;
}
-tarval *get_enumeration_enum (const type *enumeration, int pos) {
+tarval *get_enumeration_enum (const ir_type *enumeration, int pos) {
assert(enumeration && (enumeration->type_op == type_enumeration));
assert(pos >= 0 && pos < get_enumeration_n_enums(enumeration));
return enumeration->attr.ea.enumer[pos];
}
-void set_enumeration_nameid (type *enumeration, int pos, ident *id) {
+void set_enumeration_nameid (ir_type *enumeration, int pos, ident *id) {
assert(enumeration && (enumeration->type_op == type_enumeration));
assert(pos >= 0 && pos < get_enumeration_n_enums(enumeration));
enumeration->attr.ea.enum_nameid[pos] = id;
}
-ident *get_enumeration_nameid (const type *enumeration, int pos) {
+ident *get_enumeration_nameid (const ir_type *enumeration, int pos) {
assert(enumeration && (enumeration->type_op == type_enumeration));
assert(pos >= 0 && pos < get_enumeration_n_enums(enumeration));
return enumeration->attr.ea.enum_nameid[pos];
}
-const char *get_enumeration_name(const type *enumeration, int pos) {
+const char *get_enumeration_name(const ir_type *enumeration, int pos) {
assert(enumeration && (enumeration->type_op == type_enumeration));
assert(pos >= 0 && pos < get_enumeration_n_enums(enumeration));
return get_id_str(enumeration->attr.ea.enum_nameid[pos]);
}
/* typecheck */
-int (is_Enumeration_type)(const type *enumeration) {
+int (is_Enumeration_type)(const ir_type *enumeration) {
return _is_enumeration_type(enumeration);
}
-void set_enumeration_mode(type *tp, ir_mode *mode) {
+void set_enumeration_mode(ir_type *tp, ir_mode *mode) {
assert(mode_is_int(mode) && "Modes of enumerations must be integers");
/* For pointer and enumeration size depends on the mode, but only byte size allowed. */
assert((get_mode_size_bits(mode) & 7) == 0 && "unorthodox modes not implemented");
/*-----------------------------------------------------------------*/
/* Create a new type pointer */
-type *new_d_type_pointer(ident *name, type *points_to, ir_mode *ptr_mode, dbg_info *db) {
- type *res;
+ir_type *new_d_type_pointer(ident *name, ir_type *points_to, ir_mode *ptr_mode, dbg_info *db) {
+ ir_type *res;
assert(mode_is_reference(ptr_mode));
res = new_type(type_pointer, ptr_mode, name, db);
res->attr.pa.points_to = points_to;
assert((get_mode_size_bytes(res->mode) != -1) && "unorthodox modes not implemented");
res->size = get_mode_size_bits(res->mode);
- res->state = layout_fixed;
+ res->flags |= tf_layout_fixed;
hook_new_type(res);
return res;
}
-type *new_type_pointer(ident *name, type *points_to, ir_mode *ptr_mode) {
+ir_type *new_type_pointer(ident *name, ir_type *points_to, ir_mode *ptr_mode) {
return new_d_type_pointer(name, points_to, ptr_mode, NULL);
}
-void free_pointer_entities (type *pointer) {
+void free_pointer_entities (ir_type *pointer) {
assert(pointer && (pointer->type_op == type_pointer));
}
-void free_pointer_attrs (type *pointer) {
+void free_pointer_attrs (ir_type *pointer) {
assert(pointer && (pointer->type_op == type_pointer));
}
/* manipulate fields of type_pointer */
-void set_pointer_points_to_type (type *pointer, type *tp) {
+void set_pointer_points_to_type (ir_type *pointer, ir_type *tp) {
assert(pointer && (pointer->type_op == type_pointer));
pointer->attr.pa.points_to = tp;
}
-type *get_pointer_points_to_type (type *pointer) {
+ir_type *get_pointer_points_to_type (ir_type *pointer) {
assert(pointer && (pointer->type_op == type_pointer));
return pointer->attr.pa.points_to = skip_tid(pointer->attr.pa.points_to);
}
/* typecheck */
-int (is_Pointer_type)(const type *pointer) {
+int (is_Pointer_type)(const ir_type *pointer) {
return _is_pointer_type(pointer);
}
-void set_pointer_mode(type *tp, ir_mode *mode) {
+void set_pointer_mode(ir_type *tp, ir_mode *mode) {
assert(mode_is_reference(mode) && "Modes of pointers must be references");
/* For pointer and enumeration size depends on the mode, but only byte size allowed. */
assert((get_mode_size_bits(mode) & 7) == 0 && "unorthodox modes not implemented");
/* Returns the first pointer type that has as points_to tp.
* Not efficient: O(#types).
* If not found returns firm_unknown_type. */
-type *find_pointer_type_to_type (type *tp) {
- int i;
- for (i = 0; i < get_irp_n_types(); ++i) {
- type *found = get_irp_type(i);
+ir_type *find_pointer_type_to_type (ir_type *tp) {
+ int i, n = get_irp_n_types();
+ for (i = 0; i < n; ++i) {
+ ir_type *found = get_irp_type(i);
if (is_Pointer_type(found) && get_pointer_points_to_type(found) == tp)
return (found);
}
/*-----------------------------------------------------------------*/
/* create a new type primitive */
-type *new_d_type_primitive(ident *name, ir_mode *mode, dbg_info *db) {
- type *res;
+ir_type *new_d_type_primitive(ident *name, ir_mode *mode, dbg_info *db) {
+ ir_type *res;
/* @@@ assert( mode_is_data(mode) && (!mode_is_reference(mode))); */
res = new_type(type_primitive, mode, name, db);
res->size = get_mode_size_bits(mode);
- res->state = layout_fixed;
+ res->flags |= tf_layout_fixed;
hook_new_type(res);
return res;
}
-type *new_type_primitive(ident *name, ir_mode *mode) {
+ir_type *new_type_primitive(ident *name, ir_mode *mode) {
return new_d_type_primitive(name, mode, NULL);
}
/* typecheck */
-int (is_Primitive_type)(const type *primitive) {
+int (is_Primitive_type)(const ir_type *primitive) {
return _is_primitive_type(primitive);
}
-void set_primitive_mode(type *tp, ir_mode *mode) {
+void set_primitive_mode(ir_type *tp, ir_mode *mode) {
/* Modes of primitives must be data */
assert(mode_is_data(mode));
/*-----------------------------------------------------------------*/
-int (is_atomic_type)(const type *tp) {
+int (is_atomic_type)(const ir_type *tp) {
return _is_atomic_type(tp);
}
/*
* Gets the number of elements in a firm compound type.
*/
-int get_compound_n_members(const type *tp)
+int get_compound_n_members(const ir_type *tp)
{
const tp_op *op = get_type_tpop(tp);
int res = 0;
/*
* Gets the member of a firm compound type at position pos.
*/
-entity *get_compound_member(const type *tp, int pos)
+entity *get_compound_member(const ir_type *tp, int pos)
{
const tp_op *op = get_type_tpop(tp);
entity *res = NULL;
return res;
}
-int is_compound_type(const type *tp) {
+/* Returns index of member in tp, -1 if not contained. */
+int get_compound_member_index(const ir_type *tp, entity *member)
+{
+ const tp_op *op = get_type_tpop(tp);
+ int index = -1;
+
+ if (op->ops.get_member_index)
+ index = op->ops.get_member_index(tp, member);
+ else
+ assert(0 && "no members in this type");
+
+ return index;
+}
+
+int is_compound_type(const ir_type *tp) {
assert(tp && tp->kind == k_type);
return tp->type_op->flags & TP_OP_FLAG_COMPOUND;
}
-/* Checks, whether a type is a frame type */
-int is_frame_type(const type *tp) {
- return tp->frame_type;
+/* Checks, whether a type is a frame ir_type */
+int is_frame_type(const ir_type *tp) {
+ return tp->flags & tf_frame_type;
+}
+
+/* Checks, whether a type is a lowered ir_type */
+int is_lowered_type(const ir_type *tp) {
+ return tp->flags & tf_lowered_type;
}
/* Makes a new frame type. */
-type *new_type_frame(ident *name)
+ir_type *new_type_frame(ident *name)
{
- type *res = new_type_class(name);
+ ir_type *res = new_type_class(name);
- res->frame_type = 1;
+ res->flags |= tf_frame_type;
/* Remove type from type list. Must be treated differently than other types. */
remove_irp_type(res);
return res;
}
-/* set the type size for the unknown and none type */
-void set_default_size_bits(type *tp, int size) {
+/* Sets a lowered type for a type. This sets both associations. */
+void set_lowered_type(ir_type *tp, ir_type *lowered_type) {
+ assert(is_type(tp) && is_type(lowered_type));
+ lowered_type->flags |= tf_lowered_type;
+ tp->assoc_type = lowered_type;
+ lowered_type->assoc_type = tp;
+}
+
+/*
+ * Gets the lowered/unlowered type of a type or NULL if this type
+ * has no lowered/unlowered one.
+ */
+ir_type *get_associated_type(const ir_type *tp) {
+ return tp->assoc_type;
+}
+
+/* set the type size for the unknown and none ir_type */
+void set_default_size_bits(ir_type *tp, int size) {
tp->size = size;
}
+
+/*
+ * Allocate an area of size bytes aligned at alignment
+ * at the start or the end of a frame type.
+ * The frame type must have already an fixed layout.
+ */
+entity *frame_alloc_area(type *frame_type, int size, int alignment, int at_start)
+{
+ entity *area;
+ ir_type *tp;
+ ident *name;
+ char buf[32];
+ int frame_align, i, offset, frame_size;
+ static unsigned area_cnt = 0;
+ static ir_type *a_byte = NULL;
+
+ assert(is_frame_type(frame_type));
+ assert(get_type_state(frame_type) == layout_fixed);
+
+ if (! a_byte)
+ a_byte = new_type_primitive(new_id_from_chars("byte", 4), mode_Bu);
+
+ snprintf(buf, sizeof(buf), "area%u", area_cnt++);
+ name = new_id_from_str(buf);
+
+ /* align the size */
+ frame_align = get_type_alignment_bytes(frame_type);
+ size = (size + frame_align - 1) & -frame_align;
+
+ tp = new_type_array(mangle_u(get_type_ident(frame_type), name), 1, a_byte);
+ set_array_bounds_int(tp, 0, 0, size);
+ set_type_alignment_bytes(tp, alignment);
+
+ frame_size = get_type_size_bytes(frame_type);
+ if (at_start) {
+ /* fix all offsets so far */
+ for (i = get_class_n_members(frame_type) - 1; i >= 0; --i) {
+ entity *ent = get_class_member(frame_type, i);
+
+ set_entity_offset_bytes(ent, get_entity_offset_bytes(ent) + size);
+ }
+ /* calculate offset and new type size */
+ offset = 0;
+ frame_size += size;
+ }
+ else {
+ /* calculate offset and new type size */
+ offset = (frame_size + alignment - 1) & -alignment;
+ frame_size = offset + size;
+ }
+
+ area = new_entity(frame_type, name, tp);
+ set_entity_offset_bytes(area, offset);
+ set_type_size_bytes(frame_type, frame_size);
+
+ return area;
+}