1RUN: llvm-cxxfilt -h | FileCheck %s 2RUN: llvm-cxxfilt --help | FileCheck %s 3 4CHECK: OVERVIEW: LLVM symbol undecoration tool 5CHECK: USAGE: {{.*}}llvm-cxxfilt{{(.exe)?}} [options] <mangled>{{$}} 6CHECK: OPTIONS: 7CHECK: @FILE 8