static ir_mode *lowered_mode = NULL;
static int lower_direct_cmp = 0;
+static ir_type *lowered_type = NULL;
static ir_node *create_not(dbg_info *dbgi, ir_node *node)
{
return new_rd_Eor(dbgi, irg, block, node, one, lowered_mode);
}
+static ir_node *create_convb(ir_node *node)
+{
+ ir_graph *irg = current_ir_graph;
+ ir_node *block = get_nodes_block(node);
+ ir_node *conv = new_rd_Conv(NULL, irg, block, node, mode_b);
+
+ return conv;
+}
+
+static ir_type *create_lowered_type(void)
+{
+ if(lowered_type == NULL) {
+ lowered_type = new_type_primitive(new_id_from_str("__lowered_mode_b"),
+ lowered_mode);
+ }
+ return lowered_type;
+}
+
+static void adjust_method_type(ir_type *method_type)
+{
+ int i;
+ int n_params;
+ int n_res;
+
+ n_params = get_method_n_params(method_type);
+ for(i = 0; i < n_params; ++i) {
+ ir_type *param = get_method_param_type(method_type, i);
+ if(get_type_mode(param) == mode_b) {
+ set_method_param_type(method_type, i, create_lowered_type());
+ }
+ }
+
+ n_res = get_method_n_ress(method_type);
+ for(i = 0; i < n_res; ++i) {
+ ir_type *res_type = get_method_res_type(method_type, i);
+ if(get_type_mode(res_type) == mode_b) {
+ set_method_res_type(method_type, i, create_lowered_type());
+ }
+ }
+}
+
static ir_node *lower_node(ir_node *node)
{
ir_graph *irg = current_ir_graph;
if(op == op_Phi) {
int i, arity;
ir_node **in;
- ir_node *unknown;
+ ir_node *unknown, *new_phi;
arity = get_irn_arity(node);
in = alloca(arity * sizeof(in[0]));
for(i = 0; i < arity; ++i) {
in[i] = unknown;
}
- ir_node *new_phi = new_rd_Phi(dbgi, irg, block, arity, in,
+ new_phi = new_rd_Phi(dbgi, irg, block, arity, in,
lowered_mode);
set_irn_link(node, new_phi);
ir_node *v_false = get_Psi_default(node);
ir_node *low_v_false = lower_node(v_false);
- ir_node *and0 = new_rd_And(dbgi, irg, block, cond, low_v_true,
+ ir_node *and0 = new_rd_And(dbgi, irg, block, low_cond, low_v_true,
lowered_mode);
ir_node *not_cond = create_not(dbgi, low_cond);
ir_node *one = new_d_Const(dbgi, lowered_mode, tv_one);
tarval *tv_zero = get_tarval_null(lowered_mode);
ir_node *zero = new_d_Const(dbgi, lowered_mode, tv_zero);
- ir_mode *mode = get_irn_mode(node);
+ ir_node *pred = get_Conv_op(node);
+ ir_mode *mode = get_irn_mode(pred);
tarval *tv_zeroc = get_tarval_null(mode);
ir_node *zero_cmp = new_d_Const(dbgi, mode, tv_zeroc);
- ir_node *cmp = new_rd_Cmp(dbgi, irg, block, node, zero_cmp);
+ ir_node *cmp = new_rd_Cmp(dbgi, irg, block, pred, zero_cmp);
ir_node *proj = new_rd_Proj(dbgi, irg, block, cmp, mode_b,
pn_Cmp_Lg);
ir_node *vals[2] = { one, zero };
return psi;
}
if(op == op_Proj) {
- ir_node *pred = get_Proj_pred(node);
+ ir_node *pred = get_Proj_pred(node);
- assert(!is_Load(pred));
if(is_Cmp(pred)) {
- ir_mode *mode = get_irn_mode(pred);
ir_node *left = get_Cmp_left(pred);
ir_node *right = get_Cmp_right(pred);
+ ir_mode *mode = get_irn_mode(left);
- if( (mode_is_int(mode) || mode_is_character(mode)
- || mode_is_reference(mode)) &&
- (get_mode_size_bits(mode) < get_mode_size_bits(lowered_mode)
- || classify_Const(right) == CNST_NULL)) {
+ if ((mode_is_int(mode) || mode_is_reference(mode)) && (
+ get_mode_size_bits(mode) < get_mode_size_bits(lowered_mode) ||
+ (is_Const(right) && is_Const_null(right))
+ )) {
int pnc = get_Proj_proj(node);
int need_not = 0;
ir_node *a = NULL;
set_irn_link(node, psi);
return psi;
}
+ } else if(is_Proj(pred) && is_Call(get_Proj_pred(pred))) {
+ ir_type *type = get_Call_type(get_Proj_pred(pred));
+ adjust_method_type(type);
+ set_irn_mode(node, lowered_mode);
+ return node;
+ } else if(is_Proj(pred) && is_Start(get_Proj_pred(pred))) {
+ ir_entity *entity = get_irg_entity(irg);
+ ir_type *type = get_entity_type(entity);
+ adjust_method_type(type);
+ set_irn_mode(node, lowered_mode);
+ return node;
}
panic("unexpected projb: %+F (pred: %+F)", node, pred);
panic("didn't expect %+F to have mode_b", node);
}
-static ir_node *create_convb(ir_node *node)
-{
- ir_graph *irg = current_ir_graph;
- ir_node *block = get_nodes_block(node);
- ir_node *conv = new_rd_Conv(NULL, irg, block, node, mode_b);
-
- return conv;
-}
-
static void lower_mode_b_walker(ir_node *node, void *env)
{
int i, arity;
}
lowered_in = lower_node(in);
- lowered_in = create_convb(lowered_in);
+
+ if(is_Return(node)) {
+ ir_entity *entity = get_irg_entity(current_ir_graph);
+ ir_type *type = get_entity_type(entity);
+ adjust_method_type(type);
+ } else if(is_Call(node)) {
+ ir_type *type = get_Call_type(node);
+ adjust_method_type(type);
+ } else {
+ lowered_in = create_convb(lowered_in);
+ }
set_irn_n(node, i, lowered_in);
}
}
projects / libfirm / blobdiff