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// Check that extern options work.
// The dummy tool and graph are required to silence warnings.
// RUN: tblgen -I %p/../../include --gen-llvmc %s -o %t
// RUN: FileCheck -input-file %t %s
// RUN: %compile_cxx -fexceptions -x c++ %t
include "llvm/CompilerDriver/Common.td"
// CHECK: extern cl::opt<bool> AutoGeneratedSwitch_Wall
def OptList : OptionList<[(switch_option "Wall", (extern)),
(parameter_option "std", (extern)),
(prefix_list_option "L", (extern))]>;
def dummy_tool : Tool<[
(command "dummy_cmd"),
(in_language "dummy"),
(out_language "dummy"),
(actions (case
(switch_on "Wall"), (stop_compilation),
(not_empty "std"), (stop_compilation),
(not_empty "L"), (stop_compilation)))
]>;
def DummyGraph : CompilationGraph<[SimpleEdge<"root", "dummy_tool">]>;
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