llvm/test/tools/UpdateTestChecks/update_test_checks/check_empty.test

## test whether the UTC generates CHECK-EMPTY for blank lines
# RUN: cp -f %S/Inputs/check_empty.ll %t.ll && %update_test_checks %t.ll --version 7
# RUN: diff -u %t.ll %S/Inputs/check_empty.ll.expected