void kill_channels(ir_variable *const var, int used)
{
- foreach_iter(exec_list_iterator, iter, *this->assignments) {
- assignment_entry *entry = (assignment_entry *)iter.get();
+ foreach_list_safe(n, this->assignments) {
+ assignment_entry *entry = (assignment_entry *) n;
if (entry->lhs == var) {
if (var->type->is_scalar() || var->type->is_vector()) {
return visit_continue_with_parent;
}
+ virtual ir_visitor_status visit(ir_emit_vertex *ir)
+ {
+ /* For the purpose of dead code elimination, emitting a vertex counts as
+ * "reading" all of the currently assigned output variables.
+ */
+ foreach_list_safe(n, this->assignments) {
+ assignment_entry *entry = (assignment_entry *) n;
+ if (entry->lhs->data.mode == ir_var_shader_out) {
+ if (debug)
+ printf("kill %s\n", entry->lhs->name);
+ entry->remove();
+ }
+ }
+
+ return visit_continue;
+ }
+
private:
exec_list *assignments;
};
printf("looking for %s.0x%01x to remove\n", var->name,
ir->write_mask);
- foreach_iter(exec_list_iterator, iter, *assignments) {
- assignment_entry *entry = (assignment_entry *)iter.get();
+ foreach_list_safe(n, assignments) {
+ assignment_entry *entry = (assignment_entry *) n;
if (entry->lhs != var)
continue;
*/
if (debug)
printf("looking for %s to remove\n", var->name);
- foreach_iter(exec_list_iterator, iter, *assignments) {
- assignment_entry *entry = (assignment_entry *)iter.get();
+ foreach_list_safe(n, assignments) {
+ assignment_entry *entry = (assignment_entry *) n;
if (entry->lhs == var) {
if (debug)
printf("add %s\n", var->name);
printf("current entries\n");
- foreach_iter(exec_list_iterator, iter, *assignments) {
- assignment_entry *entry = (assignment_entry *)iter.get();
+ foreach_list(n, assignments) {
+ assignment_entry *entry = (assignment_entry *) n;
printf(" %s (0x%01x)\n", entry->lhs->name, entry->available);
}