Demo file choice

src/intermediate_code.c

@@ -129,6 +129,10 @@ TNodeOrConst * tn_or_const(Discriminant d, void * tnc) {
 }
 
 static void emit_helper(void){
+        if (!ir_flag) {
+                begin = NULL;
+                return;
+        }
         Instruction * inst = calloc(1, sizeof(*inst));
         if(begin == NULL){
                 begin = current = inst;