#include <assert.h>
#include <string.h>
#include <stdbool.h>
+#include <unistd.h>
#include <limits.h>
#include <libfirm/firm.h>
static ir_type *ir_type_char;
static ir_type *ir_type_const_char;
static ir_type *ir_type_wchar_t;
-static ir_type *ir_type_void;
-static ir_type *ir_type_int;
/* architecture specific floating point arithmetic mode (if any) */
static ir_mode *mode_float_arithmetic;
return new_r_Unknown(irg, mode);
}
-static const char *dbg_retrieve(const dbg_info *dbg, unsigned *line)
+static src_loc_t dbg_retrieve(const dbg_info *dbg)
{
- const source_position_t *pos = (const source_position_t*) dbg;
- if (pos == NULL)
- return NULL;
- if (line != NULL)
- *line = pos->lineno;
- return pos->input_name;
+ source_position_t const *const pos = (source_position_t const*)dbg;
+ if (pos) {
+ return (src_loc_t){ pos->input_name, pos->lineno, pos->colno };
+ } else {
+ return (src_loc_t){ NULL, 0, 0 };
+ }
}
static dbg_info *get_dbg_info(const source_position_t *pos)
int n_parameters = count_parameters(function_type)
+ (for_closure ? 1 : 0);
- int n_results = return_type == type_void ? 0 : 1;
+ int n_results = is_type_void(return_type) ? 0 : 1;
type_dbg_info *dbgi = get_type_dbg_info_((const type_t*) function_type);
ir_type *irtype = new_d_type_method(n_parameters, n_results, dbgi);
- if (return_type != type_void) {
+ if (!is_type_void(return_type)) {
ir_type *restype = get_ir_type(return_type);
set_method_res_type(irtype, 0, restype);
}
}
}
-#define INVALID_TYPE ((ir_type*)-1)
-
enum {
COMPOUND_IS_STRUCT = false,
COMPOUND_IS_UNION = true
type = skip_typeref(type);
if (type->base.firm_type != NULL) {
- assert(type->base.firm_type != INVALID_TYPE);
return type->base.firm_type;
}
type = skip_typeref(type);
if (type->base.firm_type != NULL) {
- assert(type->base.firm_type != INVALID_TYPE);
return type->base.firm_type;
}
static ir_mode *get_ir_mode_storage(type_t *type)
{
- ir_type *irtype = get_ir_type(type);
+ type = skip_typeref(type);
- /* firm doesn't report a mode for arrays somehow... */
- if (is_Array_type(irtype)) {
+ /* Firm doesn't report a mode for arrays and structs/unions. */
+ if (!is_type_scalar(type)) {
return mode_P_data;
}
- ir_mode *mode = get_type_mode(irtype);
+ ir_type *const irtype = get_ir_type(type);
+ ir_mode *const mode = get_type_mode(irtype);
assert(mode != NULL);
return mode;
}
continue;
type_t *return_type = skip_typeref(function_type->return_type);
- int n_res = return_type != type_void ? 1 : 0;
+ int n_res = is_type_void(return_type) ? 0 : 1;
if (n_res != rts_data[i].n_res)
continue;
type_t *arg_type = skip_typeref(expression->base.type);
if (!is_type_compound(arg_type)) {
- ir_mode *mode = get_ir_mode_storage(expression->base.type);
- arg_node = create_conv(dbgi, arg_node, mode);
- arg_node = do_strict_conv(dbgi, arg_node);
+ ir_mode *const mode = get_ir_mode_storage(arg_type);
+ arg_node = create_conv(dbgi, arg_node, mode);
+ arg_node = do_strict_conv(dbgi, arg_node);
}
in[n] = arg_node;
set_store(mem);
}
- if (!is_type_atomic(return_type, ATOMIC_TYPE_VOID)) {
+ if (!is_type_void(return_type)) {
assert(is_type_scalar(return_type));
ir_mode *mode = get_ir_mode_storage(return_type);
result = new_Proj(node, mode, pn_Builtin_max+1);
set_store(mem);
}
- if (!is_type_atomic(return_type, ATOMIC_TYPE_VOID)) {
- ir_node *resproj = new_Proj(node, mode_T, pn_Call_T_result);
-
- if (is_type_scalar(return_type)) {
- ir_mode *mode = get_ir_mode_storage(return_type);
- result = new_Proj(resproj, mode, 0);
- ir_mode *mode_arith = get_ir_mode_arithmetic(return_type);
- result = create_conv(NULL, result, mode_arith);
- } else {
- ir_mode *mode = mode_P_data;
- result = new_Proj(resproj, mode, 0);
- }
+ if (!is_type_void(return_type)) {
+ ir_node *const resproj = new_Proj(node, mode_T, pn_Call_T_result);
+ ir_mode *const mode = get_ir_mode_storage(return_type);
+ result = new_Proj(resproj, mode, 0);
+ ir_mode *const mode_arith = get_ir_mode_arithmetic(return_type);
+ result = create_conv(NULL, result, mode_arith);
}
}
return result;
}
-static void statement_to_firm(statement_t *statement);
+static ir_node *statement_to_firm(statement_t *statement);
static ir_node *compound_statement_to_firm(compound_statement_t *compound);
static ir_node *expression_to_addr(const expression_t *expression);
type_t *from_type, type_t *type)
{
type = skip_typeref(type);
- if (type == type_void) {
+ if (is_type_void(type)) {
/* make sure firm type is constructed */
(void) get_ir_type(type);
return NULL;
if (from_var != NULL) {
ir_node *const addr = create_symconst(dbgi, from_var->v.entity);
ir_node *const base = deref_address(dbgi, from_var->base.type, addr);
- value_node = new_d_Add(dbgi, value_node, base, get_ir_mode_storage(from_type));
+ value_node = new_d_Add(dbgi, value_node, base, mode);
}
if (to_var != NULL) {
ir_node *const addr = create_symconst(dbgi, to_var->v.entity);
&& expression->tp_expression != NULL) {
expression_to_firm(expression->tp_expression);
}
- /* strange gnu extensions: sizeof(function) == 1 */
- if (is_type_function(type)) {
- ir_mode *mode = get_ir_mode_storage(type_size_t);
- return new_Const(get_mode_one(mode));
- }
return get_type_size_node(type);
}
ir_node *const in[2] = { true_val, false_val };
type_t *const type = skip_typeref(expression->base.type);
- ir_mode *mode;
- if (is_type_compound(type)) {
- mode = mode_P;
- } else {
- mode = get_ir_mode_arithmetic(type);
- }
+ ir_mode *const mode = get_ir_mode_arithmetic(type);
ir_node *const val = new_d_Phi(dbgi, lengthof(in), in, mode);
return val;
* and expression_to_firm is, that this version might produce mode_b nodes
* instead of mode_Is.
*/
-static ir_node *_expression_to_firm(const expression_t *expression)
+static ir_node *_expression_to_firm(expression_t const *const expr)
{
#ifndef NDEBUG
if (!constant_folding) {
- assert(!expression->base.transformed);
- ((expression_t*) expression)->base.transformed = true;
+ assert(!expr->base.transformed);
+ ((expression_t*)expr)->base.transformed = true;
}
#endif
- switch (expression->kind) {
- case EXPR_LITERAL_CASES:
- return literal_to_firm(&expression->literal);
- case EXPR_STRING_LITERAL:
- return string_to_firm(&expression->base.source_position, "str.%u",
- &expression->literal.value);
- case EXPR_WIDE_STRING_LITERAL:
- return wide_string_literal_to_firm(&expression->string_literal);
- case EXPR_REFERENCE:
- return reference_expression_to_firm(&expression->reference);
- case EXPR_ENUM_CONSTANT:
- return enum_constant_to_firm(&expression->reference);
- case EXPR_CALL:
- return call_expression_to_firm(&expression->call);
- case EXPR_UNARY_CASES:
- return unary_expression_to_firm(&expression->unary);
- case EXPR_BINARY_CASES:
- return binary_expression_to_firm(&expression->binary);
- case EXPR_ARRAY_ACCESS:
- return array_access_to_firm(&expression->array_access);
- case EXPR_SIZEOF:
- return sizeof_to_firm(&expression->typeprop);
- case EXPR_ALIGNOF:
- return alignof_to_firm(&expression->typeprop);
- case EXPR_CONDITIONAL:
- return conditional_to_firm(&expression->conditional);
- case EXPR_SELECT:
- return select_to_firm(&expression->select);
- case EXPR_CLASSIFY_TYPE:
- return classify_type_to_firm(&expression->classify_type);
- case EXPR_FUNCNAME:
- return function_name_to_firm(&expression->funcname);
- case EXPR_STATEMENT:
- return statement_expression_to_firm(&expression->statement);
- case EXPR_VA_START:
- return va_start_expression_to_firm(&expression->va_starte);
- case EXPR_VA_ARG:
- return va_arg_expression_to_firm(&expression->va_arge);
- case EXPR_VA_COPY:
- return va_copy_expression_to_firm(&expression->va_copye);
- case EXPR_BUILTIN_CONSTANT_P:
- return builtin_constant_to_firm(&expression->builtin_constant);
- case EXPR_BUILTIN_TYPES_COMPATIBLE_P:
- return builtin_types_compatible_to_firm(&expression->builtin_types_compatible);
- case EXPR_OFFSETOF:
- return offsetof_to_firm(&expression->offsetofe);
- case EXPR_COMPOUND_LITERAL:
- return compound_literal_to_firm(&expression->compound_literal);
- case EXPR_LABEL_ADDRESS:
- return label_address_to_firm(&expression->label_address);
-
- case EXPR_ERROR:
- break;
+ switch (expr->kind) {
+ case EXPR_ALIGNOF: return alignof_to_firm( &expr->typeprop);
+ case EXPR_ARRAY_ACCESS: return array_access_to_firm( &expr->array_access);
+ case EXPR_BINARY_CASES: return binary_expression_to_firm( &expr->binary);
+ case EXPR_BUILTIN_CONSTANT_P: return builtin_constant_to_firm( &expr->builtin_constant);
+ case EXPR_BUILTIN_TYPES_COMPATIBLE_P: return builtin_types_compatible_to_firm(&expr->builtin_types_compatible);
+ case EXPR_CALL: return call_expression_to_firm( &expr->call);
+ case EXPR_CLASSIFY_TYPE: return classify_type_to_firm( &expr->classify_type);
+ case EXPR_COMPOUND_LITERAL: return compound_literal_to_firm( &expr->compound_literal);
+ case EXPR_CONDITIONAL: return conditional_to_firm( &expr->conditional);
+ case EXPR_FUNCNAME: return function_name_to_firm( &expr->funcname);
+ case EXPR_LABEL_ADDRESS: return label_address_to_firm( &expr->label_address);
+ case EXPR_LITERAL_CASES: return literal_to_firm( &expr->literal);
+ case EXPR_OFFSETOF: return offsetof_to_firm( &expr->offsetofe);
+ case EXPR_REFERENCE: return reference_expression_to_firm( &expr->reference);
+ case EXPR_ENUM_CONSTANT: return enum_constant_to_firm( &expr->reference);
+ case EXPR_SELECT: return select_to_firm( &expr->select);
+ case EXPR_SIZEOF: return sizeof_to_firm( &expr->typeprop);
+ case EXPR_STATEMENT: return statement_expression_to_firm( &expr->statement);
+ case EXPR_UNARY_CASES: return unary_expression_to_firm( &expr->unary);
+ case EXPR_VA_ARG: return va_arg_expression_to_firm( &expr->va_arge);
+ case EXPR_VA_COPY: return va_copy_expression_to_firm( &expr->va_copye);
+ case EXPR_VA_START: return va_start_expression_to_firm( &expr->va_starte);
+ case EXPR_WIDE_STRING_LITERAL: return wide_string_literal_to_firm( &expr->string_literal);
+
+ case EXPR_STRING_LITERAL: return string_to_firm(&expr->base.source_position, "str.%u", &expr->literal.value);
+
+ case EXPR_ERROR: break;
}
panic("invalid expression found");
}
type_qualifiers_t tq = get_type_qualifier(type, true);
if (initializer->kind == INITIALIZER_VALUE) {
- initializer_value_t *initializer_value = &initializer->value;
- dbg_info *dbgi = get_dbg_info(&entity->base.source_position);
- expression_t *value = initializer_value->value;
- type_t *init_type = value->base.type;
- type_t *skipped = skip_typeref(init_type);
+ expression_t * value = initializer->value.value;
+ type_t *const init_type = skip_typeref(value->base.type);
- if (!is_type_scalar(skipped)) {
+ if (!is_type_scalar(init_type)) {
/* skip convs */
while (value->kind == EXPR_UNARY_CAST)
value = value->unary.value;
goto have_initializer;
}
- ir_node *node = expression_to_firm(initializer_value->value);
-
- ir_mode *mode = get_ir_mode_storage(init_type);
+ ir_node * node = expression_to_firm(value);
+ dbg_info *const dbgi = get_dbg_info(&entity->base.source_position);
+ ir_mode *const mode = get_ir_mode_storage(init_type);
node = create_conv(dbgi, node, mode);
node = do_strict_conv(dbgi, node);
-static void return_statement_to_firm(return_statement_t *statement)
+static ir_node *return_statement_to_firm(return_statement_t *statement)
{
if (!currently_reachable())
- return;
+ return NULL;
- dbg_info *dbgi = get_dbg_info(&statement->base.source_position);
- type_t *type = current_function_entity->declaration.type;
- ir_type *func_irtype = get_ir_type(type);
-
- ir_node *in[1];
- int in_len;
- if (get_method_n_ress(func_irtype) > 0) {
- ir_type *res_type = get_method_res_type(func_irtype, 0);
-
- if (statement->value != NULL) {
- ir_node *node = expression_to_firm(statement->value);
- if (!is_compound_type(res_type)) {
- type_t *ret_value_type = statement->value->base.type;
- ir_mode *mode = get_ir_mode_storage(ret_value_type);
- node = create_conv(dbgi, node, mode);
- node = do_strict_conv(dbgi, node);
- }
- in[0] = node;
+ dbg_info *const dbgi = get_dbg_info(&statement->base.source_position);
+ type_t *const type = skip_typeref(current_function_entity->declaration.type->function.return_type);
+ ir_node * res = statement->value ? expression_to_firm(statement->value) : NULL;
+
+ int in_len;
+ if (!is_type_void(type)) {
+ ir_mode *const mode = get_ir_mode_storage(type);
+ if (res) {
+ res = create_conv(dbgi, res, mode);
+ res = do_strict_conv(dbgi, res);
} else {
- ir_mode *mode;
- if (is_compound_type(res_type)) {
- mode = mode_P_data;
- } else {
- mode = get_type_mode(res_type);
- }
- in[0] = new_Unknown(mode);
+ res = new_Unknown(mode);
}
in_len = 1;
} else {
- /* build return_value for its side effects */
- if (statement->value != NULL) {
- expression_to_firm(statement->value);
- }
in_len = 0;
}
- ir_node *store = get_store();
- ir_node *ret = new_d_Return(dbgi, store, in_len, in);
+ ir_node *const in[1] = { res };
+ ir_node *const store = get_store();
+ ir_node *const ret = new_d_Return(dbgi, store, in_len, in);
ir_node *end_block = get_irg_end_block(current_ir_graph);
add_immBlock_pred(end_block, ret);
set_unreachable_now();
+ return NULL;
}
static ir_node *expression_statement_to_firm(expression_statement_t *statement)
ir_node *result = NULL;
statement_t *statement = compound->statements;
for ( ; statement != NULL; statement = statement->base.next) {
- if (statement->base.next == NULL
- && statement->kind == STATEMENT_EXPRESSION) {
- result = expression_statement_to_firm(
- &statement->expression);
- break;
- }
- statement_to_firm(statement);
+ result = statement_to_firm(statement);
}
return result;
panic("invalid declaration kind");
}
-static void declaration_statement_to_firm(declaration_statement_t *statement)
+static ir_node *declaration_statement_to_firm(declaration_statement_t *statement)
{
entity_t *entity = statement->declarations_begin;
if (entity == NULL)
- return;
+ return NULL;
entity_t *const last = statement->declarations_end;
for ( ;; entity = entity->base.next) {
if (entity == last)
break;
}
+
+ return NULL;
}
-static void if_statement_to_firm(if_statement_t *statement)
+static ir_node *if_statement_to_firm(if_statement_t *statement)
{
/* Create the condition. */
ir_node *true_block = NULL;
}
set_cur_block(fallthrough_block);
}
+
+ return NULL;
}
-/* Create a jump node which jumps into target_block, if the current block is
- * reachable. */
-static void jump_if_reachable(ir_node *const target_block)
+/**
+ * Add an unconditional jump to the target block. If the source block is not
+ * reachable, then a Bad predecessor is created to prevent Phi-less unreachable
+ * loops. This is necessary if the jump potentially enters a loop.
+ */
+static void jump_to(ir_node *const target_block)
{
ir_node *const pred = currently_reachable() ? new_Jmp() : new_Bad(mode_X);
add_immBlock_pred(target_block, pred);
}
-static void while_statement_to_firm(while_statement_t *statement)
+/**
+ * Add an unconditional jump to the target block, if the current block is
+ * reachable and do nothing otherwise. This is only valid if the jump does not
+ * enter a loop (a back edge is ok).
+ */
+static void jump_if_reachable(ir_node *const target_block)
+{
+ if (currently_reachable())
+ add_immBlock_pred(target_block, new_Jmp());
+}
+
+static ir_node *while_statement_to_firm(while_statement_t *statement)
{
/* Create the header block */
ir_node *const header_block = new_immBlock();
- jump_if_reachable(header_block);
+ jump_to(header_block);
/* Create the condition. */
ir_node * body_block;
assert(continue_label == header_block);
continue_label = old_continue_label;
break_label = old_break_label;
+ return NULL;
}
static ir_node *get_break_label(void)
return break_label;
}
-static void do_while_statement_to_firm(do_while_statement_t *statement)
+static ir_node *do_while_statement_to_firm(do_while_statement_t *statement)
{
/* create the header block */
ir_node *header_block = new_immBlock();
/* the loop body */
ir_node *body_block = new_immBlock();
- jump_if_reachable(body_block);
+ jump_to(body_block);
ir_node *old_continue_label = continue_label;
ir_node *old_break_label = break_label;
mature_immBlock(false_block);
set_cur_block(false_block);
+ return NULL;
}
-static void for_statement_to_firm(for_statement_t *statement)
+static ir_node *for_statement_to_firm(for_statement_t *statement)
{
/* create declarations */
entity_t *entity = statement->scope.entities;
/* Create the header block */
ir_node *const header_block = new_immBlock();
- jump_if_reachable(header_block);
+ jump_to(header_block);
/* Create the condition. */
ir_node *body_block;
assert(continue_label == step_block);
continue_label = old_continue_label;
break_label = old_break_label;
+ return NULL;
}
-static void create_jump_statement(const statement_t *statement,
- ir_node *target_block)
+static ir_node *create_jump_statement(const statement_t *statement, ir_node *target_block)
{
if (!currently_reachable())
- return;
+ return NULL;
dbg_info *dbgi = get_dbg_info(&statement->base.source_position);
ir_node *jump = new_d_Jmp(dbgi);
add_immBlock_pred(target_block, jump);
set_unreachable_now();
+ return NULL;
}
static ir_switch_table *create_switch_table(const switch_statement_t *statement)
return res;
}
-static void switch_statement_to_firm(switch_statement_t *statement)
+static ir_node *switch_statement_to_firm(switch_statement_t *statement)
{
- ir_node *first_block = NULL;
dbg_info *dbgi = get_dbg_info(&statement->base.source_position);
ir_node *switch_node = NULL;
unsigned n_outs = (unsigned)ir_switch_table_get_n_entries(table) + 1;
switch_node = new_d_Switch(dbgi, expression, n_outs, table);
- first_block = get_cur_block();
}
set_unreachable_now();
statement_to_firm(statement->body);
- jump_if_reachable(get_break_label());
+ if (currently_reachable()) {
+ add_immBlock_pred(get_break_label(), new_Jmp());
+ }
- if (!saw_default_label && first_block != NULL) {
- set_cur_block(first_block);
+ if (!saw_default_label && switch_node) {
ir_node *proj = new_d_Proj(dbgi, switch_node, mode_X, pn_Switch_default);
add_immBlock_pred(get_break_label(), proj);
}
current_switch = old_switch;
break_label = old_break_label;
saw_default_label = old_saw_default_label;
+ return NULL;
}
-static void case_label_to_firm(const case_label_statement_t *statement)
+static ir_node *case_label_to_firm(const case_label_statement_t *statement)
{
if (statement->is_empty_range)
- return;
+ return NULL;
if (current_switch != NULL) {
ir_node *block = new_immBlock();
set_cur_block(block);
}
- statement_to_firm(statement->statement);
+ return statement_to_firm(statement->statement);
}
-static void label_to_firm(const label_statement_t *statement)
+static ir_node *label_to_firm(const label_statement_t *statement)
{
ir_node *block = get_label_block(statement->label);
- jump_if_reachable(block);
+ jump_to(block);
set_cur_block(block);
keep_alive(block);
keep_all_memory(block);
- statement_to_firm(statement->statement);
+ return statement_to_firm(statement->statement);
}
-static void computed_goto_to_firm(computed_goto_statement_t const *const statement)
+static ir_node *computed_goto_to_firm(computed_goto_statement_t const *const statement)
{
if (!currently_reachable())
- return;
+ return NULL;
ir_node *const irn = expression_to_firm(statement->expression);
dbg_info *const dbgi = get_dbg_info(&statement->base.source_position);
ijmp_list = ijmp;
set_unreachable_now();
+ return NULL;
}
-static void asm_statement_to_firm(const asm_statement_t *statement)
+static ir_node *asm_statement_to_firm(const asm_statement_t *statement)
{
bool needs_memory = false;
set_value_for_expression_addr(out_expr, proj, addr);
}
+
+ return NULL;
}
-static void ms_try_statement_to_firm(ms_try_statement_t *statement)
+static ir_node *ms_try_statement_to_firm(ms_try_statement_t *statement)
{
statement_to_firm(statement->try_statement);
source_position_t const *const pos = &statement->base.source_position;
warningf(WARN_OTHER, pos, "structured exception handling ignored");
+ return NULL;
}
-static void leave_statement_to_firm(leave_statement_t *statement)
+static ir_node *leave_statement_to_firm(leave_statement_t *statement)
{
errorf(&statement->base.source_position, "__leave not supported yet");
+ return NULL;
}
/**
* Transform a statement.
*/
-static void statement_to_firm(statement_t *const stmt)
+static ir_node *statement_to_firm(statement_t *const stmt)
{
#ifndef NDEBUG
assert(!stmt->base.transformed);
#endif
switch (stmt->kind) {
- case STATEMENT_ASM: asm_statement_to_firm( &stmt->asms); return;
- case STATEMENT_CASE_LABEL: case_label_to_firm( &stmt->case_label); return;
- case STATEMENT_COMPOUND: compound_statement_to_firm( &stmt->compound); return;
- case STATEMENT_COMPUTED_GOTO: computed_goto_to_firm( &stmt->computed_goto); return;
- case STATEMENT_DECLARATION: declaration_statement_to_firm(&stmt->declaration); return;
- case STATEMENT_DO_WHILE: do_while_statement_to_firm( &stmt->do_while); return;
- case STATEMENT_EMPTY: /* nothing */ return;
- case STATEMENT_EXPRESSION: expression_statement_to_firm( &stmt->expression); return;
- case STATEMENT_FOR: for_statement_to_firm( &stmt->fors); return;
- case STATEMENT_IF: if_statement_to_firm( &stmt->ifs); return;
- case STATEMENT_LABEL: label_to_firm( &stmt->label); return;
- case STATEMENT_LEAVE: leave_statement_to_firm( &stmt->leave); return;
- case STATEMENT_MS_TRY: ms_try_statement_to_firm( &stmt->ms_try); return;
- case STATEMENT_RETURN: return_statement_to_firm( &stmt->returns); return;
- case STATEMENT_SWITCH: switch_statement_to_firm( &stmt->switchs); return;
- case STATEMENT_WHILE: while_statement_to_firm( &stmt->whiles); return;
-
- case STATEMENT_BREAK: create_jump_statement(stmt, get_break_label()); return;
- case STATEMENT_CONTINUE: create_jump_statement(stmt, continue_label); return;
- case STATEMENT_GOTO: create_jump_statement(stmt, get_label_block(stmt->gotos.label)); return;
+ case STATEMENT_ASM: return asm_statement_to_firm( &stmt->asms);
+ case STATEMENT_CASE_LABEL: return case_label_to_firm( &stmt->case_label);
+ case STATEMENT_COMPOUND: return compound_statement_to_firm( &stmt->compound);
+ case STATEMENT_COMPUTED_GOTO: return computed_goto_to_firm( &stmt->computed_goto);
+ case STATEMENT_DECLARATION: return declaration_statement_to_firm(&stmt->declaration);
+ case STATEMENT_DO_WHILE: return do_while_statement_to_firm( &stmt->do_while);
+ case STATEMENT_EMPTY: return NULL; /* nothing */
+ case STATEMENT_EXPRESSION: return expression_statement_to_firm( &stmt->expression);
+ case STATEMENT_FOR: return for_statement_to_firm( &stmt->fors);
+ case STATEMENT_IF: return if_statement_to_firm( &stmt->ifs);
+ case STATEMENT_LABEL: return label_to_firm( &stmt->label);
+ case STATEMENT_LEAVE: return leave_statement_to_firm( &stmt->leave);
+ case STATEMENT_MS_TRY: return ms_try_statement_to_firm( &stmt->ms_try);
+ case STATEMENT_RETURN: return return_statement_to_firm( &stmt->returns);
+ case STATEMENT_SWITCH: return switch_statement_to_firm( &stmt->switchs);
+ case STATEMENT_WHILE: return while_statement_to_firm( &stmt->whiles);
+
+ case STATEMENT_BREAK: return create_jump_statement(stmt, get_break_label());
+ case STATEMENT_CONTINUE: return create_jump_statement(stmt, continue_label);
+ case STATEMENT_GOTO: return create_jump_statement(stmt, get_label_block(stmt->gotos.label));
case STATEMENT_ERROR: panic("error statement found");
}
if (currently_reachable()) {
type_t *type = skip_typeref(entity->declaration.type);
assert(is_type_function(type));
- const function_type_t *func_type = &type->function;
- const type_t *return_type
- = skip_typeref(func_type->return_type);
+ type_t *const return_type = skip_typeref(type->function.return_type);
ir_node *ret;
- if (is_type_atomic(return_type, ATOMIC_TYPE_VOID)) {
+ if (is_type_void(return_type)) {
ret = new_Return(get_store(), 0, NULL);
} else {
- ir_mode *mode;
- if (is_type_scalar(return_type)) {
- mode = get_ir_mode_storage(func_type->return_type);
- } else {
- mode = mode_P_data;
- }
+ ir_mode *const mode = get_ir_mode_storage(return_type);
ir_node *in[1];
/* ยง5.1.2.2.3 main implicitly returns 0 */
return;
ir_types_initialized = 1;
- ir_type_int = get_ir_type(type_int);
ir_type_char = get_ir_type(type_char);
ir_type_const_char = get_ir_type(type_const_char);
ir_type_wchar_t = get_ir_type(type_wchar_t);
- ir_type_void = get_ir_type(type_void);
be_params = be_get_backend_param();
mode_float_arithmetic = be_params->mode_float_arithmetic;
}
}
+static const char *get_cwd(void)
+{
+ static char buf[1024];
+ if (buf[0] == '\0')
+ getcwd(buf, sizeof(buf));
+ return buf;
+}
+
void translation_unit_to_firm(translation_unit_t *unit)
{
+ if (c_mode & _CXX) {
+ be_dwarf_set_source_language(DW_LANG_C_plus_plus);
+ } else if (c_mode & _C99) {
+ be_dwarf_set_source_language(DW_LANG_C99);
+ } else if (c_mode & _C89) {
+ be_dwarf_set_source_language(DW_LANG_C89);
+ } else {
+ be_dwarf_set_source_language(DW_LANG_C);
+ }
+ be_dwarf_set_compilation_directory(get_cwd());
+
/* initialize firm arithmetic */
tarval_set_integer_overflow_mode(TV_OVERFLOW_WRAP);
ir_set_uninitialized_local_variable_func(uninitialized_local_var);
projects / cparser / blobdiff