gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//clang/test/CIR/IR/alloca.cir",
    "//clang/test/CIR/IR/array-ctor.cir",
    "//clang/test/CIR/IR/array-dtor.cir",
    "//clang/test/CIR/IR/array.cir",
    "//clang/test/CIR/IR/atomic.cir",
    "//clang/test/CIR/IR/binassign.cir",
    "//clang/test/CIR/IR/bitfield_info.cir",
    "//clang/test/CIR/IR/call.cir",
    "//clang/test/CIR/IR/cast.cir",
    "//clang/test/CIR/IR/cmp.cir",
    "//clang/test/CIR/IR/complex.cir",
    "//clang/test/CIR/IR/copy.cir",
    "//clang/test/CIR/IR/func.cir",
    "//clang/test/CIR/IR/global-init.cir",
    "//clang/test/CIR/IR/global-var-linkage.cir",
    "//clang/test/CIR/IR/global.cir",
    "//clang/test/CIR/IR/label.cir",
    "//clang/test/CIR/IR/module.cir",
    "//clang/test/CIR/IR/stack-save-restore.cir",
    "//clang/test/CIR/IR/struct.cir",
    "//clang/test/CIR/IR/switch-flat.cir",
    "//clang/test/CIR/IR/switch.cir",
    "//clang/test/CIR/IR/ternary.cir",
    "//clang/test/CIR/IR/throw.cir",
    "//clang/test/CIR/IR/unary.cir",
    "//clang/test/CIR/IR/vector.cir",
    "//clang/test/CIR/IR/vtable-addrpt.cir",
    "//clang/test/CIR/IR/vtable-attr.cir",
    "//clang/test/CIR/IR/vtt-addrpoint.cir"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//compiler-rt/test/hwasan:check-hwasan",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}