gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/lib/Target/AMDGPU/FLATInstructions.td",
    "//llvm/test/CodeGen/AMDGPU/bf16.ll",
    "//llvm/test/CodeGen/AMDGPU/chain-hi-to-lo.ll",
    "//llvm/test/CodeGen/AMDGPU/fcanonicalize.f16.ll",
    "//llvm/test/CodeGen/AMDGPU/flat-scratch.ll",
    "//llvm/test/CodeGen/AMDGPU/fmed3.ll",
    "//llvm/test/CodeGen/AMDGPU/icmp.i16.ll",
    "//llvm/test/CodeGen/AMDGPU/mad.u16.ll",
    "//llvm/test/CodeGen/AMDGPU/minimummaximum.ll",
    "//llvm/test/CodeGen/AMDGPU/shrink-add-sub-constant.ll",
    "//llvm/test/CodeGen/AMDGPU/v_pack.ll"
  ],
  "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": []
}
running all tests due to change to blacklisted file