[UpdateTestChecks] Remove unnecessary return from add_ir_checks

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@329262 91177308-0d34-0410-b5e6-96231b3b80d8

utils/UpdateTestChecks/common.py

@@ -213,4 +213,3 @@ def add_ir_checks(output_lines, comment_marker, prefix_list, func_dict, func_nam
       # line of code in the test function.
       output_lines.append(comment_marker)
       break
-  return output_lines

utils/update_test_checks.py

@@ -146,7 +146,7 @@ def main():
             continue
 
         # Print out the various check lines here.
-        output_lines = common.add_ir_checks(output_lines, ';', prefix_list, func_dict, func_name)
+        common.add_ir_checks(output_lines, ';', prefix_list, func_dict, func_name)
         is_in_function_start = False
 
       if is_in_function: