llvm/llvm/test/tools/llvm-cxxfilt/strip-underscore.test

## Show the behaviour of --[no-]strip-underscore.

RUN: llvm-cxxfilt -_ ___ZN2ns1fE _____Z1fi_block_invoke _ZSt1f _f _._Z3f.0v | FileCheck %s -check-prefix CHECK-STRIPPED
RUN: llvm-cxxfilt --strip-underscore __ZN2ns1fE _____Z1fi_block_invoke _ZSt1f _f _._Z3f.0v | FileCheck %s -check-prefix CHECK-STRIPPED
RUN: llvm-cxxfilt -n ___ZN2ns1fE _____Z1fi_block_invoke _ZSt1f _f _._Z3f.0v | FileCheck %s -check-prefix CHECK-UNSTRIPPED
RUN: llvm-cxxfilt --no-strip-underscore ___ZN2ns1fE _____Z1fi_block_invoke _ZSt1f _f _._Z3f.0v | FileCheck %s -check-prefix CHECK-UNSTRIPPED
RUN: llvm-cxxfilt -n -_ _ZSt1f | FileCheck %s -check-prefix OVERRIDE-STRIPPED
RUN: llvm-cxxfilt -_ -n _ZSt1f | FileCheck %s -check-prefix OVERRIDE-UNSTRIPPED

CHECK-STRIPPED: ns::f
CHECK-STRIPPED: invocation function for block in f(int)
CHECK-STRIPPED: _ZSt1f
CHECK-STRIPPED: _f
CHECK-STRIPPED: ._Z3f.0v

CHECK-UNSTRIPPED: ___ZN2ns1fE
CHECK-UNSTRIPPED: _____Z1fi_block_invoke
CHECK-UNSTRIPPED: std::f
CHECK-UNSTRIPPED: _f
CHECK-UNSTRIPPED: _._Z3f.0v

OVERRIDE-STRIPPED:   _ZSt1f
OVERRIDE-UNSTRIPPED: std::f