update_mir_test_checks: Fix handling of IR input after r326284

llvm-svn: 327305
diff --git a/llvm/utils/update_mir_test_checks.py b/llvm/utils/update_mir_test_checks.py
index a5b1066..56d236d 100755
--- a/llvm/utils/update_mir_test_checks.py
+++ b/llvm/utils/update_mir_test_checks.py
@@ -392,8 +392,8 @@
             if not m:
                 state = 'ir function body'
                 add_checks_for_function(test, output_lines, run_list,
-                                        func_dict, func_name, add_vreg_checks,
-                                        single_bb=False, verbose=verbose)
+                                        func_dict, func_name, single_bb=False,
+                                        verbose=verbose)
 
             if should_add_line_to_output(input_line, prefix_set):
                 output_lines.append(input_line)