DECLARATION_TYPE_COMPOUND_MEMBER
} declaration_type_t;
-typedef struct type2firm_env_t type2firm_env_t;
-struct type2firm_env_t {
- int can_cache; /* nonzero if type can safely be cached because
- no typevariables are in the hierarchy */
-};
-
-static ir_type *_get_ir_type(type2firm_env_t *env, type_t *type);
static ir_type *get_ir_type(type_t *type);
ir_node *uninitialized_local_var(ir_graph *irg, ir_mode *mode, int pos)
return new_id_from_str(buf);
}
-static type_t *skip_typeref(type_t *type)
-{
- while(1) {
- switch(type->type) {
- case TYPE_TYPEDEF: {
- const typedef_type_t *typedef_type = (const typedef_type_t*) type;
- type = typedef_type->declaration->type;
- continue;
- }
- case TYPE_TYPEOF: {
- const typeof_type_t *typeof_type = (const typeof_type_t *) type;
- if(typeof_type->typeof_type != NULL) {
- type = typeof_type->typeof_type;
- } else {
- type = typeof_type->expression->datatype;
- }
- continue;
- }
- default:
- break;
- }
- break;
- }
-
- return type;
-}
-
static ir_mode *get_atomic_mode(const atomic_type_t* atomic_type)
{
switch(atomic_type->atype) {
break;
#endif
case ATOMIC_TYPE_VOID:
- panic("tried to get mode from void type");
- break;
+ /* firm has no real void... */
+ return mode_Is;
case ATOMIC_TYPE_INVALID:
break;
}
-static ir_type *create_atomic_type(type2firm_env_t *env,
- const atomic_type_t *type)
+static ir_type *create_atomic_type(const atomic_type_t *type)
{
- (void) env;
ir_mode *mode = get_atomic_mode(type);
ident *id = get_mode_ident(mode);
ir_type *irtype = new_type_primitive(id, mode);
return irtype;
}
-static ir_type *create_method_type(type2firm_env_t *env,
- const function_type_t *function_type)
+static ir_type *create_method_type(const function_type_t *function_type)
{
type_t *result_type = function_type->result_type;
ir_type *irtype = new_type_method(id, n_parameters, n_results);
if(result_type != type_void) {
- ir_type *restype = _get_ir_type(env, result_type);
+ ir_type *restype = get_ir_type(result_type);
set_method_res_type(irtype, 0, restype);
}
function_parameter_t *parameter = function_type->parameters;
int n = 0;
for( ; parameter != NULL; parameter = parameter->next) {
- ir_type *p_irtype = _get_ir_type(env, parameter->type);
+ ir_type *p_irtype = get_ir_type(parameter->type);
set_method_param_type(irtype, n, p_irtype);
++n;
}
- if(function_type->variadic) {
+ if(function_type->variadic || function_type->unspecified_parameters) {
set_method_variadicity(irtype, variadicity_variadic);
}
return irtype;
}
-static ir_type *create_pointer_type(type2firm_env_t *env, pointer_type_t *type)
+static ir_type *create_pointer_type(pointer_type_t *type)
{
type_t *points_to = type->points_to;
ir_type *ir_points_to;
ir_type_void, mode_P_data);
type->type.firm_type = ir_type;
- ir_points_to = _get_ir_type(env, points_to);
+ ir_points_to = get_ir_type(points_to);
set_pointer_points_to_type(ir_type, ir_points_to);
return ir_type;
}
-static ir_type *create_array_type(type2firm_env_t *env, array_type_t *type)
+static ir_type *create_array_type(array_type_t *type)
{
type_t *element_type = type->element_type;
- ir_type *ir_element_type = _get_ir_type(env, element_type);
+ ir_type *ir_element_type = get_ir_type(element_type);
/* TODO... */
int n_elements = 0;
#define INVALID_TYPE ((ir_type_ptr)-1)
-static ir_type *create_struct_type(type2firm_env_t *env, compound_type_t *type)
+static ir_type *create_struct_type(compound_type_t *type)
{
symbol_t *symbol = type->declaration->symbol;
ident *id;
int offset = 0;
declaration_t *entry = type->declaration->context.declarations;
for( ; entry != NULL; entry = entry->next) {
+ if(entry->namespace != NAMESPACE_NORMAL)
+ continue;
+
ident *ident = new_id_from_str(entry->symbol->string);
- ir_type_ptr entry_ir_type = _get_ir_type(env, entry->type);
+ ir_type_ptr entry_ir_type = get_ir_type(entry->type);
int entry_size = get_type_size_bytes(entry_ir_type);
int entry_alignment = get_type_alignment_bytes(entry_ir_type);
return ir_type;
}
-static ir_type *create_union_type(type2firm_env_t *env, compound_type_t *type)
+static ir_type *create_union_type(compound_type_t *type)
{
declaration_t *declaration = type->declaration;
symbol_t *symbol = declaration->symbol;
int size = 0;
declaration_t *entry = declaration->context.declarations;
for( ; entry != NULL; entry = entry->next) {
+ if(entry->namespace != NAMESPACE_NORMAL)
+ continue;
+
ident *ident = new_id_from_str(entry->symbol->string);
- ir_type_ptr entry_ir_type = _get_ir_type(env, entry->type);
+ ir_type_ptr entry_ir_type = get_ir_type(entry->type);
int entry_size = get_type_size_bytes(entry_ir_type);
int entry_alignment = get_type_alignment_bytes(entry_ir_type);
return ir_type;
}
-static ir_type *_get_ir_type(type2firm_env_t *env, type_t *type)
+static ir_type *get_ir_type(type_t *type)
{
assert(type != NULL);
ir_type *firm_type = NULL;
switch(type->type) {
case TYPE_ATOMIC:
- firm_type = create_atomic_type(env, (atomic_type_t*) type);
+ firm_type = create_atomic_type((atomic_type_t*) type);
break;
case TYPE_FUNCTION:
- firm_type = create_method_type(env, (function_type_t*) type);
+ firm_type = create_method_type((function_type_t*) type);
break;
case TYPE_POINTER:
- firm_type = create_pointer_type(env, (pointer_type_t*) type);
+ firm_type = create_pointer_type((pointer_type_t*) type);
break;
case TYPE_ARRAY:
- firm_type = create_array_type(env, (array_type_t*) type);
+ firm_type = create_array_type((array_type_t*) type);
break;
case TYPE_COMPOUND_STRUCT:
- firm_type = create_struct_type(env, (compound_type_t*) type);
+ firm_type = create_struct_type((compound_type_t*) type);
break;
case TYPE_COMPOUND_UNION:
- firm_type = create_union_type(env, (compound_type_t*) type);
+ firm_type = create_union_type((compound_type_t*) type);
break;
case TYPE_ENUM:
firm_type = ir_type_int;
if(firm_type == NULL)
panic("unknown type found");
- if(env->can_cache) {
- type->firm_type = firm_type;
- }
+ type->firm_type = firm_type;
return firm_type;
-
-}
-
-static ir_type *get_ir_type(type_t *type)
-{
- type2firm_env_t env;
- env.can_cache = 1;
-
- return _get_ir_type(&env, type);
}
static inline ir_mode *get_ir_mode(type_t *type)
static ir_node *expression_to_firm(const expression_t *expression);
-static ir_node *_expression_to_firm(const expression_t *expression);
+static ir_node *expression_to_modeb(const expression_t *expression);
static dbg_info *get_dbg_info(const source_position_t *pos)
{
return create_symconst(dbgi, entity);
}
+static ir_node *load_from_expression_addr(type_t *type, ir_node *addr,
+ dbg_info *dbgi)
+{
+ ir_mode *mode = get_ir_mode(type);
+ ir_node *memory = get_store();
+ ir_node *load = new_d_Load(dbgi, memory, addr, mode);
+ ir_node *load_mem = new_d_Proj(dbgi, load, mode_M, pn_Load_M);
+ ir_node *load_res = new_d_Proj(dbgi, load, mode, pn_Load_res);
+ set_store(load_mem);
+
+ return load_res;
+}
+
static ir_node *reference_expression_to_firm(const reference_expression_t *ref)
{
dbg_info *dbgi = get_dbg_info(&ref->expression.source_position);
case DECLARATION_TYPE_FUNCTION: {
return create_symconst(dbgi, declaration->v.entity);
}
+ case DECLARATION_TYPE_GLOBAL_VARIABLE: {
+ ir_entity *entity = declaration->v.entity;
+ ir_node *symconst = create_symconst(dbgi, entity);
+ return load_from_expression_addr(type, symconst, dbgi);
+ }
+ case DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY:
+ case DECLARATION_TYPE_COMPOUND_MEMBER:
+ panic("not implemented reference type");
+ }
+
+ panic("reference to declaration with unknown type found");
+}
+
+static ir_node *reference_addr(const reference_expression_t *ref)
+{
+ dbg_info *dbgi = get_dbg_info(&ref->expression.source_position);
+ declaration_t *declaration = ref->declaration;
+
+ switch((declaration_type_t) declaration->declaration_type) {
+ case DECLARATION_TYPE_UNKNOWN:
+ break;
+ case DECLARATION_TYPE_LOCAL_VARIABLE:
+ panic("local variable without entity has no address");
+ case DECLARATION_TYPE_FUNCTION: {
+ return create_symconst(dbgi, declaration->v.entity);
+ }
+ case DECLARATION_TYPE_GLOBAL_VARIABLE: {
+ ir_entity *entity = declaration->v.entity;
+ ir_node *symconst = create_symconst(dbgi, entity);
+ return symconst;
+ }
case DECLARATION_TYPE_LOCAL_VARIABLE_ENTITY:
- case DECLARATION_TYPE_GLOBAL_VARIABLE:
case DECLARATION_TYPE_COMPOUND_MEMBER:
panic("not implemented reference type");
}
ir_type *ir_method_type = get_ir_type((type_t*) function_type);
ir_type *new_method_type = NULL;
- if(function_type->variadic) {
+ if(function_type->variadic || function_type->unspecified_parameters) {
/* we need to construct a new method type matching the call
* arguments... */
int n_res = get_method_n_ress(ir_method_type);
return result;
}
-static ir_node *load_from_expression_addr(type_t *type, ir_node *addr,
- dbg_info *dbgi)
-{
- ir_mode *mode = get_ir_mode(type);
- ir_node *memory = get_store();
- ir_node *load = new_d_Load(dbgi, memory, addr, mode);
- ir_node *load_mem = new_d_Proj(dbgi, load, mode_M, pn_Load_M);
- ir_node *load_res = new_d_Proj(dbgi, load, mode, pn_Load_res);
- set_store(load_mem);
-
- return load_res;
-}
-
static ir_node *expression_to_addr(const expression_t *expression);
static void set_value_for_expression(const expression_t *expression,
static ir_node *create_lazy_op(const binary_expression_t *expression)
{
+ dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
+
bool is_or = (expression->type == BINEXPR_LOGICAL_OR);
assert(is_or || expression->type == BINEXPR_LOGICAL_AND);
- dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
- ir_node *val1 = expression_to_firm(expression->left);
- val1 = create_conv(dbgi, val1, mode_b);
-
- ir_node *cond = new_d_Cond(dbgi, val1);
- ir_node *true_proj = new_d_Proj(dbgi, cond, mode_X, pn_Cond_true);
- ir_node *false_proj = new_d_Proj(dbgi, cond, mode_X, pn_Cond_false);
+ ir_node *val1 = expression_to_modeb(expression->left);
+ ir_node *cond = new_d_Cond(dbgi, val1);
+ ir_node *true_proj = new_d_Proj(dbgi, cond, mode_X, pn_Cond_true);
+ ir_node *false_proj = new_d_Proj(dbgi, cond, mode_X, pn_Cond_false);
ir_node *fallthrough_block = new_immBlock();
mature_immBlock(calc_val2_block);
- ir_node *val2 = expression_to_firm(expression->right);
- val2 = create_conv(dbgi, val2, mode_b);
+ ir_node *val2 = expression_to_modeb(expression->right);
if(get_cur_block() != NULL) {
ir_node *jmp = new_d_Jmp(dbgi);
add_immBlock_pred(fallthrough_block, jmp);
static ir_node *create_arithmetic_binop(const binary_expression_t *expression,
create_arithmetic_func func)
+{
+ dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
+ ir_node *left = expression_to_firm(expression->left);
+ ir_node *right = expression_to_firm(expression->right);
+ type_t *type = expression->right->datatype;
+ /* be careful with the modes, because in asithmetic assign nodes only
+ * the right operand has the mode of the arithmetic alread */
+ ir_mode *mode = get_ir_mode(type);
+ left = create_conv(dbgi, left, mode);
+ ir_node *res = func(dbgi, left, right, mode);
+
+ return res;
+}
+
+static ir_node *create_arithmetic_assign_binop(
+ const binary_expression_t *expression, create_arithmetic_func func)
+{
+ dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
+ ir_node *value = create_arithmetic_binop(expression, func);
+ type_t *type = expression->expression.datatype;
+ ir_mode *mode = get_ir_mode(type);
+
+ assert(type->type != TYPE_POINTER);
+
+ value = create_conv(dbgi, value, mode);
+ set_value_for_expression(expression->left, value);
+
+ return value;
+}
+
+static ir_node *create_add(const binary_expression_t *expression)
{
dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
ir_node *left = expression_to_firm(expression->left);
ir_node *right = expression_to_firm(expression->right);
type_t *type = expression->expression.datatype;
ir_mode *mode = get_ir_mode(type);
- /* TODO FIXME Hack for now */
- right = create_conv(dbgi, right, get_irn_mode(left));
- ir_node *res = func(dbgi, left, right, mode);
+ expression_t *expr_left = expression->left;
+ expression_t *expr_right = expression->right;
+ type_t *type_left = skip_typeref(expr_left->datatype);
+ type_t *type_right = skip_typeref(expr_right->datatype);
+
+ if(is_type_arithmetic(type_left) && is_type_arithmetic(type_right)) {
+ return new_d_Add(dbgi, left, right, mode);
+ }
+
+ ir_node *pointer;
+ ir_node *integer;
+ pointer_type_t *pointer_type;
+ if(type_left->type == TYPE_POINTER) {
+ pointer = left;
+ integer = right;
+ pointer_type = (pointer_type_t*) type_left;
+ } else {
+ assert(type_right->type == TYPE_POINTER);
+ pointer = right;
+ integer = left;
+ pointer_type = (pointer_type_t*) type_right;
+ }
+
+ type_t *points_to = pointer_type->points_to;
+ unsigned elem_size = get_type_size(points_to);
+
+ assert(elem_size >= 1);
+ if(elem_size > 1) {
+ integer = create_conv(dbgi, integer, mode_Is);
+ ir_node *cnst = new_Const_long(mode_Is, (int) elem_size);
+ ir_node *mul = new_d_Mul(dbgi, integer, cnst, mode_Is);
+ integer = mul;
+ }
+
+ ir_node *res = new_d_Add(dbgi, pointer, integer, mode);
+
+ return res;
+}
+
+static ir_node *create_sub(const binary_expression_t *expression)
+{
+ dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
+ ir_node *left = expression_to_firm(expression->left);
+ ir_node *right = expression_to_firm(expression->right);
+ type_t *type = expression->expression.datatype;
+ ir_mode *mode = get_ir_mode(type);
+
+ expression_t *expr_left = expression->left;
+ expression_t *expr_right = expression->right;
+ type_t *type_left = skip_typeref(expr_left->datatype);
+ type_t *type_right = skip_typeref(expr_right->datatype);
+
+ if((is_type_arithmetic(type_left) && is_type_arithmetic(type_right))
+ || (type_left->type == TYPE_POINTER
+ && type_right->type == TYPE_POINTER)) {
+ return new_d_Sub(dbgi, left, right, mode);
+ }
+
+ assert(type_right->type == TYPE_POINTER);
+ ir_node *pointer = left;
+ ir_node *integer = right;
+ pointer_type_t *pointer_type = (pointer_type_t*) type_right;
+
+ type_t *points_to = pointer_type->points_to;
+ unsigned elem_size = get_type_size(points_to);
+
+ assert(elem_size >= 1);
+ if(elem_size > 1) {
+ ir_node *cnst = new_Const_long(mode_Iu, elem_size);
+ ir_node *mul = new_d_Mul(dbgi, integer, cnst, mode_Iu);
+ integer = mul;
+ }
+
+ ir_node *res = new_d_Sub(dbgi, pointer, integer, mode);
return res;
}
+static ir_node *create_divmod(const binary_expression_t *expression)
+{
+ dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
+ ir_node *left = expression_to_firm(expression->left);
+ ir_node *right = expression_to_firm(expression->right);
+ ir_node *pin = new_Pin(new_NoMem());
+ type_t *type = expression->expression.datatype;
+ ir_mode *mode = get_ir_mode(type);
+ ir_node *op;
+ ir_node *res;
+
+ if(expression->type == BINEXPR_DIV) {
+ if(mode_is_float(mode)) {
+ op = new_d_Quot(dbgi, pin, left, right, mode, op_pin_state_floats);
+ res = new_d_Proj(dbgi, op, mode, pn_Quot_res);
+ } else {
+ op = new_d_Div(dbgi, pin, left, right, mode, op_pin_state_floats);
+ res = new_d_Proj(dbgi, op, mode, pn_Div_res);
+ }
+ } else {
+ assert(expression->type == BINEXPR_MOD);
+ assert(!mode_is_float(mode));
+ op = new_d_Mod(dbgi, pin, left, right, mode, op_pin_state_floats);
+ res = new_d_Proj(dbgi, op, mode, pn_Mod_res);
+ }
+
+ return res;
+}
+
+
+
static ir_node *binary_expression_to_firm(const binary_expression_t *expression)
{
binary_expression_type_t type = expression->type;
return right;
}
case BINEXPR_ADD:
- return create_arithmetic_binop(expression, new_d_Add);
+ return create_add(expression);
case BINEXPR_SUB:
- return create_arithmetic_binop(expression, new_d_Sub);
+ return create_sub(expression);
case BINEXPR_MUL:
return create_arithmetic_binop(expression, new_d_Mul);
case BINEXPR_BITWISE_AND:
return create_arithmetic_binop(expression, new_d_Shl);
case BINEXPR_SHIFTRIGHT:
return create_arithmetic_binop(expression, new_d_Shr);
+ case BINEXPR_DIV:
+ case BINEXPR_MOD:
+ return create_divmod(expression);
case BINEXPR_LOGICAL_AND:
case BINEXPR_LOGICAL_OR:
return create_lazy_op(expression);
+ case BINEXPR_COMMA:
+ expression_to_firm(expression->left);
+ return expression_to_firm(expression->right);
+ case BINEXPR_ADD_ASSIGN:
+ return create_arithmetic_assign_binop(expression, new_d_Add);
+ case BINEXPR_SUB_ASSIGN:
+ return create_arithmetic_assign_binop(expression, new_d_Sub);
+ case BINEXPR_MUL_ASSIGN:
+ return create_arithmetic_assign_binop(expression, new_d_Mul);
+ case BINEXPR_BITWISE_AND_ASSIGN:
+ return create_arithmetic_assign_binop(expression, new_d_And);
+ case BINEXPR_BITWISE_OR_ASSIGN:
+ return create_arithmetic_assign_binop(expression, new_d_Or);
+ case BINEXPR_BITWISE_XOR_ASSIGN:
+ return create_arithmetic_assign_binop(expression, new_d_Eor);
+ case BINEXPR_SHIFTLEFT_ASSIGN:
+ return create_arithmetic_assign_binop(expression, new_d_Shl);
+ case BINEXPR_SHIFTRIGHT_ASSIGN:
+ return create_arithmetic_assign_binop(expression, new_d_Shr);
default:
panic("TODO binexpr type");
}
return size_node;
}
+static ir_node *conditional_to_firm(const conditional_expression_t *expression)
+{
+ dbg_info *dbgi = get_dbg_info(&expression->expression.source_position);
+
+ ir_node *condition = expression_to_modeb(expression->condition);
+ ir_node *cond = new_d_Cond(dbgi, condition);
+ ir_node *true_proj = new_d_Proj(dbgi, cond, mode_X, pn_Cond_true);
+ ir_node *false_proj = new_d_Proj(dbgi, cond, mode_X, pn_Cond_false);
+
+ /* create the true block */
+ ir_node *true_block = new_immBlock();
+ add_immBlock_pred(true_block, true_proj);
+ mature_immBlock(true_block);
+
+ ir_node *true_val = expression_to_firm(expression->true_expression);
+ ir_node *true_jmp = new_Jmp();
+
+ /* create the false block */
+ ir_node *false_block = new_immBlock();
+ add_immBlock_pred(false_block, false_proj);
+ mature_immBlock(false_block);
+
+ ir_node *false_val = expression_to_firm(expression->false_expression);
+ ir_node *false_jmp = new_Jmp();
+
+ /* create the common block */
+ ir_node *common_block = new_immBlock();
+ add_immBlock_pred(common_block, true_jmp);
+ add_immBlock_pred(common_block, false_jmp);
+ mature_immBlock(common_block);
+
+ ir_node *in[2] = { true_val, false_val };
+ ir_mode *mode = get_irn_mode(true_val);
+ assert(get_irn_mode(false_val) == mode);
+ ir_node *val = new_d_Phi(dbgi, 2, in, mode);
+
+ return val;
+}
+
static ir_node *expression_to_addr(const expression_t *expression)
{
switch(expression->type) {
+ case EXPR_REFERENCE:
+ return reference_addr((const reference_expression_t*) expression);
case EXPR_ARRAY_ACCESS:
return array_access_addr((const array_access_expression_t*) expression);
default:
(const array_access_expression_t*) expression);
case EXPR_SIZEOF:
return sizeof_to_firm((const sizeof_expression_t*) expression);
+ case EXPR_CONDITIONAL:
+ return conditional_to_firm((const conditional_expression_t*)expression);
default:
break;
}
return res;
}
+static ir_node *expression_to_modeb(const expression_t *expression)
+{
+ ir_node *res = _expression_to_firm(expression);
+ res = create_conv(NULL, res, mode_b);
+
+ return res;
+}
static void statement_to_firm(statement_t *statement);
static void if_statement_to_firm(if_statement_t *statement)
{
dbg_info *dbgi = get_dbg_info(&statement->statement.source_position);
- ir_node *condition = _expression_to_firm(statement->condition);
- assert(condition != NULL);
+ ir_node *condition = expression_to_modeb(statement->condition);
/* make sure we have a mode_b condition */
- condition = create_conv(dbgi, condition, mode_b);
-
ir_node *cond = new_d_Cond(dbgi, condition);
ir_node *true_proj = new_d_Proj(dbgi, cond, mode_X, pn_Cond_true);
ir_node *false_proj = new_d_Proj(dbgi, cond, mode_X, pn_Cond_false);
}
/* create the condition */
- ir_node *condition = _expression_to_firm(statement->condition);
- condition = create_conv(dbgi, condition, mode_b);
-
+ ir_node *condition = expression_to_modeb(statement->condition);
ir_node *cond = new_d_Cond(dbgi, condition);
ir_node *true_proj = new_d_Proj(dbgi, cond, mode_X, pn_Cond_true);
ir_node *false_proj = new_d_Proj(dbgi, cond, mode_X, pn_Cond_false);
mature_immBlock(header_block);
/* create the condition */
- ir_node *condition = _expression_to_firm(statement->condition);
- condition = create_conv(dbgi, condition, mode_b);
-
+ ir_node *condition = expression_to_modeb(statement->condition);
ir_node *cond = new_d_Cond(dbgi, condition);
ir_node *true_proj = new_d_Proj(dbgi, cond, mode_X, pn_Cond_true);
ir_node *false_proj = new_d_Proj(dbgi, cond, mode_X, pn_Cond_false);
set_cur_block(false_block);
}
+static void for_statement_to_firm(for_statement_t *statement)
+{
+ dbg_info *const dbgi = get_dbg_info(&statement->statement.source_position);
+
+ ir_node *jmp = NULL;
+ if (get_cur_block() != NULL) {
+ if(statement->initialisation != NULL) {
+ expression_to_firm(statement->initialisation);
+ }
+ jmp = new_Jmp();
+ }
+
+ /* create the step block */
+ ir_node *const step_block = new_immBlock();
+ if (statement->step != NULL) {
+ expression_to_firm(statement->step);
+ }
+ ir_node *const step_jmp = new_Jmp();
+
+ /* create the header block */
+ ir_node *const header_block = new_immBlock();
+ if (jmp != NULL) {
+ add_immBlock_pred(header_block, jmp);
+ }
+ add_immBlock_pred(header_block, step_jmp);
+
+ /* create the condition */
+ ir_node *const condition = expression_to_modeb(statement->condition);
+ ir_node *const cond = new_d_Cond(dbgi, condition);
+ ir_node *const true_proj = new_d_Proj(dbgi, cond, mode_X, pn_Cond_true);
+ ir_node *const false_proj = new_d_Proj(dbgi, cond, mode_X, pn_Cond_false);
+
+ /* the false block */
+ ir_node *const false_block = new_immBlock();
+ add_immBlock_pred(false_block, false_proj);
+
+ /* the loop body */
+ ir_node *const body_block = new_immBlock();
+ add_immBlock_pred(body_block, true_proj);
+ mature_immBlock(body_block);
+
+ ir_node *const old_continue_label = continue_label;
+ ir_node *const old_break_label = break_label;
+ continue_label = step_block;
+ break_label = false_block;
+
+ statement_to_firm(statement->body);
+
+ assert(continue_label == step_block);
+ assert(break_label == false_block);
+ continue_label = old_continue_label;
+ break_label = old_break_label;
+
+ if (get_cur_block() != NULL) {
+ ir_node *const jmp = new_Jmp();
+ add_immBlock_pred(step_block, jmp);
+ }
+
+ mature_immBlock(step_block);
+ mature_immBlock(header_block);
+ mature_immBlock(false_block);
+
+ set_cur_block(false_block);
+}
+
static void create_declaration_entity(declaration_t *declaration,
declaration_type_t declaration_type,
ir_type *parent_type)
if(declaration->declaration_type == DECLARATION_TYPE_LOCAL_VARIABLE) {
set_value(declaration->v.value_number, init_node);
} else {
- panic("initializer not completely implemented yet");
+ ir_entity *entity = declaration->v.entity;
+
+ set_entity_variability(entity, variability_initialized);
+ set_atomic_ent_value(entity, init_node);
}
} else {
assert(initializer->type == INITIALIZER_LIST);
case STATEMENT_CASE_LABEL:
case_label_to_firm((case_label_statement_t*) statement);
return;
+ case STATEMENT_FOR:
+ for_statement_to_firm((for_statement_t*) statement);
+ return;
default:
break;
}
irg_vrfy(irg);
}
+static void create_global_variable(declaration_t *declaration)
+{
+ ir_type *global_type = get_glob_type();
+ create_declaration_entity(declaration, DECLARATION_TYPE_GLOBAL_VARIABLE,
+ global_type);
+
+ ir_entity *entity = declaration->v.entity;
+ if(declaration->storage_class == STORAGE_CLASS_STATIC) {
+ set_entity_visibility(entity, visibility_local);
+ } else if(declaration->storage_class == STORAGE_CLASS_EXTERN) {
+ set_entity_visibility(entity, visibility_external_allocated);
+ } else {
+ set_entity_visibility(entity, visibility_external_visible);
+ }
+ current_ir_graph = get_const_code_irg();
+ create_initializer(declaration);
+}
+
static void context_to_firm(context_t *context)
{
declaration_t *declaration = context->declarations;
for( ; declaration != NULL; declaration = declaration->next) {
if(declaration->namespace != NAMESPACE_NORMAL)
continue;
+ if(declaration->storage_class == STORAGE_CLASS_ENUM_ENTRY
+ || declaration->storage_class == STORAGE_CLASS_TYPEDEF)
+ continue;
type_t *type = declaration->type;
if(type->type == TYPE_FUNCTION) {
create_function(declaration);
} else {
- /* TODO... */
+ create_global_variable(declaration);
}
}
}