+ if (ir->return_deref) {
+ if (ir->return_deref->type != callee->return_type) {
+ printf("callee type %s does not match return storage type %s\n",
+ callee->return_type->name, ir->return_deref->type->name);
+ abort();
+ }
+ } else if (callee->return_type != glsl_type::void_type) {
+ printf("ir_call has non-void callee but no return storage\n");
+ abort();
+ }
+
+ const exec_node *formal_param_node = callee->parameters.head;
+ const exec_node *actual_param_node = ir->actual_parameters.head;
+ while (true) {
+ if (formal_param_node->is_tail_sentinel()
+ != actual_param_node->is_tail_sentinel()) {
+ printf("ir_call has the wrong number of parameters:\n");
+ goto dump_ir;
+ }
+ if (formal_param_node->is_tail_sentinel()) {
+ break;
+ }
+ const ir_variable *formal_param
+ = (const ir_variable *) formal_param_node;
+ const ir_rvalue *actual_param
+ = (const ir_rvalue *) actual_param_node;
+ if (formal_param->type != actual_param->type) {
+ printf("ir_call parameter type mismatch:\n");
+ goto dump_ir;
+ }
+ if (formal_param->mode == ir_var_out
+ || formal_param->mode == ir_var_inout) {
+ if (!actual_param->is_lvalue()) {
+ printf("ir_call out/inout parameters must be lvalues:\n");
+ goto dump_ir;
+ }
+ }
+ formal_param_node = formal_param_node->next;
+ actual_param_node = actual_param_node->next;
+ }
+